Sanyo C1271, CL0971, C0971, CL1271 User Manual

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Page 1

TECHNICAL & SERVICE MANUAL

KS0971 + C0971  + CL0971

FILE NO.

KS1271 + C1271  + CL1271

Destination: North America

DC INVERTER SPLIT SYSTEM AIR CONDITIONER

Indoor Model No.

KS0971

KS1271

Indoor Unit

Product Code No.

1 852 099 81

1 852 099 82

Outdoor Model No.

C0971

C1271

CL0971

CL1271

Product Code No.

1 852 330 23

1 852 330 24

1 852 330 25

1 852 330 26

Outdoor Unit

KS0971 KS1271

IMPORTANT

These air conditioners employ new refrigerant R410A.

Pay special attention when servicing the unit.

C0971 C1271 CL0971 CL1271

REFERENCE NO. SM700655-05

Page 2

Important! Please Read Before Starting

This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently.

For safe installation and trouble-free operation, you must:

Carefully read this instruction booklet before beginning. Follow each installation or repair step exactly as shown. Observe all local, state, and national electrical codes. Pay close attention to all warning and caution notices given in this manual.

This symbol refers to a hazard or

WARNING

CAUTION

If Necessary, Get Help

These instructions are all you need for most installation sites and maintenance conditions. If you require help for a special problem, contact our sales/service outlet or your certified dealer for additional instructions.

In Case of Improper Installation

The manufacturer shall in no way be responsible for improper installation or maintenance service, including failure to follow the instructions in this document.

SPECIAL PRECAUTIONS

unsafe practice which can result in severe personal injury or death.

This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage.

When Transporting

Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp edges or thin aluminum fins on the air conditioner can cut your fingers.

When Installing

In a Ceiling or Wall

Make sure the ceiling/wall is strong enough to hold the unit’s weight. It may be necessary to construct a strong wood or metal frame to provide added support.

In a Room

Properly insulate any tubing run inside a room to prevent "sweating" that can cause dripping and water damage to walls and floors.

In Moist or Uneven Locations

Use a raised concrete pad or concrete blocks to provide a solid, level foundation for the outdoor unit. This prevents water damage and abnormal vibration.

In an Area with High Winds

Securely anchor the outdoor unit down with bolts and a metal frame. Provide a suitable air baffle.

In a Snowy Area (for Heat Pump-type Systems)

Install the outdoor unit on a raised platform that is higher than drifting snow. Provide snow vents.

When Connecting Refrigerant Tubing

•

Use the flare method for connecting tubing.

•

Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them, then tighten the nut with a torque wrench for a leak-free connection.

•

Check carefully for leaks before starting the test run.

When Servicing

WARNING

•

Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked.

•

Highly dangerous electrical voltages are used in this system. Carefully refer to the wiring diagram and these instructions when wiring. Improper connections and inadequate grounding can cause accidental injury or death.

•

Ground the unit following local electrical codes.

•

Connect all wiring tightly. Loose wiring may cause overheating at connection points and a possible fire hazard.

When Wiring

ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A QUALIFIED, EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM.

•

Turn the power off at the main power box (mains) before opening the unit to check or repair electrical parts and wiring.

•

Keep your fingers and clothing away from any moving parts.

•

Clean up the site after you finish, remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced.

Others

CAUTION

Ventilate any enclosed areas when installing or testing the

•

refrigeration system. Escaped refrigerant gas, on contact with fire or heat, can produce dangerously toxic gas. Confirm upon completing installation that no refrigerant gas

•

is leaking. If escaped gas comes in contact with a stove, gas water heater, electric room heater or other heat source, it can produce dangerously toxic gas.

Page 3

Table of Contents

Page

1. OPERATING RANGE

2. SPECIFICATIONS

2-1. Unit Specifications 2-2. Major Component Specifications 2-3. Other Component Specifications

3. DIMENSIONAL DATA

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram

5. PERFORMANCE DATA

5-1. Te mperature Charts 5-2. Cooling Capacity 5-3. Cooling Capacity (Low Ambient) 5-4. Air Throw Distance Charts

6. ELECTRICAL DATA

6-1.  Electrical Characteristics 6-2.  Electric Wiring Diagrams

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6 10 16

20 24 26 28

30 32

7. MAINTENANCE

7-1. Address Setting of the Remote Control Unit 7-2. Disconnecting and Connecting Positive Connector for Outdoor Unit

8. FUNCTIONS

8-1. Operation Functions 8-2. Protective Functions

9. TROUBLESHOOTING

9-1. Precautions before Performing Inspection or Repair 9-2. Method of Self-Diagnostics 9-3. Checking the Indoor and Outdoor Units 9-4. Trouble Diagnosis of Fan Motor 9-5. Noise Malfunction and Electromagnetic Interference

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35 36

37 39

40 40 42 46 47

Page 4

10. CHECKING ELECTRICAL COMPONENTS

10-1. Measurement of Insulation Resistance 10-2. Checking Continuity of Fuse on PCB Ass'y

11. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT

11-1. Characteristics of New Refrigerant R410A 11-2. Checklist before Servicing 11-3. Tools Specifically for R410A 11-4. Tubing Installation Procedures 11-5. In Case of Compressor Malfunction 11-6. In Case Refrigerant is Leaking 11-7. Charging Additional Refrigerant 11-8. Retro-Fitting Existing Systems

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Page

48 49

50 51 52 52 53 55 56 56

APPENDIX A INSTRUCTION MANUAL

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APPENDIX B INSTALLATION INSTRUCTIONS

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A-1

A-2

Page 5

1. OPERATING RANGE

Models : KS0971 + C0971  KS1271 + C1271

Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp.

Cooling

Models : KS0971 + CL0971  KS1271 + CL1271

Cooling

Maximum

Minimum

Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp.

Maximum

Minimum

95 °F D.B. / 71 °F W.B.

67 °F D.B. / 57 °F W.B.

95 °F D.B. / 71 °F W.B.

67 °F D.B. / 57 °F W.B.

115 °F D.B.

67 °F D.B.

115 °F D.B.

0 °F D.B.

Page 6

2. SPECIFICATIONS

2-1. Unit Specifications

Indoor Unit KS0971 Outdoor Unit C0971

Remarks: Rating conditions are:

Cooling: Indoor air temperature 80°F D.B. / 67°F W.B.

Outdoor air temperature 95°F D.B. / 75°F W.B.

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Vertical

dB-A dB-A

Indoor : Hi/Me/Lo/Qt* Outdoor : Hi

Air Filter Compressor Refrigerant / Amount charged at shipment Ibs (g) Refrigerant Control

7.6

750

( 2.5 to 7.6 ) ( 250 to 750 )

9,000

2.65

( 3,000 to 9,000 ) ( 0.9 to 2.65 )

Shipping Volume

Cooling

7,650 1,350

Net Shipping

Package Dimensions

Weight

Height × Width × Depth

Ibs (kg) Ibs (kg)

cu.ft (m

)

(mm)

inch

(mm)

115V Single-Phase 60Hz

inch

104 to 126

Dimensions & Weight

(*Qt = Quiet mode) Refrigerant Tubing Connections

Unit Dimensions

Operation Sound

Electrical Rating

Sensible Capacity Latent Capacity

WPower Input

V A

Available Voltage Range Running Amperes

Refrigerant Tube Kit / Accessories

Narrow tube Wide tube

Refrigerant inch (mm) Tube Diameter inch (mm)

19.8

24.3

2.82

(9.0) (11.0) (0.08)

72.8

79.4

6.35

(33.0) (36.0) (0.18)

23-5/8 × 33-11/16 × 14-1/4

(600 × 856 × 362)

(285 × 825 × 189) (548 × 720 × 265)

10-1/32 × 35-7/16 × 13-25/32

(255 × 900 × 350)

Outdoor UnitIndoor Unit

11-7/32 × 32-15/32 × 7-7/16 21-9/16 × 28-11/32 × 10-7/16

1/4 (6.35) 3/8 (9.52)

ft (m)Max. allowable tubing length at shipment

Flare Type

25 (7.5)

34 / 31 / 28 / 23

R410A / 2.09 (950)

Electric Expansion Valve

Washable, Anti-Mold

DC Rotary (Inverter)

Manual

Auto

Timer

Indoor / OutdoorFan Speeds

24-Hour ON or OFF Timer, 1-Hour OFF Timer

Auto and 3 steps / Auto (Hi, Me, Lo)

Airflow Direction (Indoor) Horizontal

Controls / Temperature Control Control Unit

Microprocessor / I.C. Thermister

Wireless Remote Control Unit

Features

Compressor Locked Rotor Amperes

Optional / Air Clean Filter

BTU/h

Performance

%Power Factor 86

A20

Voltage Rating

BTU/h

Total Capacity

BTU/h

SEER BTU/Wh 16

282 (480)Air Circulation (High) ft3/min (m3/h)

3.4Moisture Removal (High) Pints/h

EER BTU/h/W 12

Fuse or Circuit Breaker Capacity A20

Page 7

Indoor Unit KS1271 Outdoor Unit C1271

Voltage Rating

Total Capacity

Sensible Capacity Latent Capacity

BTU/h

BTU/h BTU/h

115V Single-Phase 60Hz

11,900

3.5

Performance

Available Voltage Range Running Amperes

V A

WPower Input

10.9

1,090

%Power Factor 87 EER BTU/h/W 10.9 SEER BTU/Wh 17 Compressor Locked Rotor Amperes

Electrical Rating

A20 Fuse or Circuit Breaker Capacity A20 Controls / Temperature Control Control Unit Timer

Indoor / OutdoorFan Speeds

Microprocessor / I.C. Thermister

Wireless Remote Control Unit

24-Hour ON or OFF Timer, 1-Hour OFF Timer

Auto and 3 steps / Auto (Hi, Me, Lo)

Airflow Direction (Indoor) Horizontal

Vertical Air Filter Compressor Refrigerant / Amount charged at shipment Ibs (g)

Features

Refrigerant Control Operation Sound (*Qt = Quiet mode)

Indoor : Hi/Me/Lo/Qt* Outdoor : Hi

dB-A dB-A

Washable, Anti-Mold

DC Rotary (Inverter)

R410A / 2.43 (1,100)

Electric Expansion Valve

36 / 33 / 29 / 25

Refrigerant Tubing Connections

ft (m)Max. allowable tubing length at shipment Refrigerant inch (mm) Tube Diameter inch (mm) Refrigerant Tube Kit / Accessories

Narrow tube Wide tube

Optional / Air Clean Filter

Unit Dimensions

Height × Width × Depth

Package Dimensions

Height × Width × Depth

Weight

Dimensions & Weight

Shipping Volume

Net Shipping

inch

(mm)

inch

(mm)

Ibs (kg) Ibs (kg)

cu.ft (m

11-7/32 × 32-15/32 × 7-7/16 21-9/16 × 28-11/32 × 10-7/16

(285 × 825 × 189) (548 × 720 × 265)

10-1/32 × 35-7/16 × 13-25/32

(255 × 900 × 350)

19.8

(9.0)

24.3

(11.0)

)

2.82

(0.08)

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Cooling

( 3,000 to 11,900 ) ( 0.9 to 3.5 )

9,100 2,800

294 (500)Air Circulation (High) ft3/min (m3/h)

4.26Moisture Removal (High) Pints/h

104 to 126 ( 2.5 to 10.9 ) ( 250 to 1,090 )

Manual

Auto

Flare Type

25 (7.5) 1/4 (6.35) 3/8 (9.52)

Outdoor UnitIndoor Unit

23-5/8 × 33-11/16 × 14-1/4

(600 × 856 × 362)

75.0

81.6

6.35

(34.0) (37.0) (0.18)

Remarks: Rating conditions are:

Cooling: Indoor air temperature 80°F D.B. / 67°F W.B.

Outdoor air temperature 95°F D.B. / 75°F W.B.

Page 8

Indoor Unit KS0971 Outdoor Unit CL0971

Voltage Rating

Total Capacity

Sensible Capacity Latent Capacity

BTU/h

BTU/h BTU/h

115V Single-Phase 60Hz

9,000

2.65

Performance

Available Voltage Range Running Amperes

V A

WPower Input

7.6

750

%Power Factor 86 EER BTU/h/W 12 SEER BTU/Wh 16 Compressor Locked Rotor Amperes

Electrical Rating

A20 Fuse or Circuit Breaker Capacity A20 Controls / Temperature Control Control Unit Timer

Indoor / OutdoorFan Speeds

Microprocessor / I.C. Thermister

Wireless Remote Control Unit

24-Hour ON or OFF Timer, 1-Hour OFF Timer

Auto and 3 steps / Auto (Hi, Me, Lo)

Airflow Direction (Indoor) Horizontal

Vertical Air Filter Compressor Refrigerant / Amount charged at shipment Ibs (g)

Features

Refrigerant Control Operation Sound (*Qt = Quiet mode)

Indoor : Hi/Me/Lo/Qt* Outdoor : Hi

dB-A dB-A

Washable, Anti-Mold

DC Rotary (Inverter)

R410A / 2.09 (950)

Electric Expansion Valve

34 / 31 / 28 / 23

Refrigerant Tubing Connections

ft (m)Max. allowable tubing length at shipment Refrigerant inch (mm) Tube Diameter inch (mm) Refrigerant Tube Kit / Accessories

Narrow tube Wide tube

Optional / Air Clean Filter

Unit Dimensions

Height × Width × Depth

Package Dimensions

Height × Width × Depth

Weight

Dimensions & Weight

Shipping Volume

Net Shipping

inch

(mm)

inch

(mm)

Ibs (kg) Ibs (kg)

cu.ft (m

11-7/32 × 32-15/32 × 7-7/16 21-9/16 × 28-11/32 × 10-7/16

(285 × 825 × 189) (548 × 720 × 265)

10-1/32 × 35-7/16 × 13-25/32

(255 × 900 × 350)

19.8

(9.0)

24.3

(11.0)

)

2.82

(0.08)

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Cooling

( 3,000 to 9,000 ) ( 0.9 to 2.65 )

7,650 1,350

282 (480)Air Circulation (High) ft3/min (m3/h)

3.4Moisture Removal (High) Pints/h

104 to 126 ( 2.5 to 7.6 ) ( 250 to 750 )

Manual

Auto

Flare Type

25 (7.5) 1/4 (6.35) 3/8 (9.52)

23-5/8 × 33-11/16 × 14-1/4

(600 × 856 × 362)

Outdoor UnitIndoor Unit

72.8

79.4

6.35

(33.0) (36.0) (0.18)

Remarks: Rating conditions are:

Cooling: Indoor air temperature 80°F D.B. / 67°F W.B.

Outdoor air temperature 95°F D.B. / 75°F W.B.

Page 9

Indoor Unit KS1271 Outdoor Unit CL1271

Voltage Rating

Total Capacity

Sensible Capacity Latent Capacity

BTU/h

BTU/h BTU/h

115V Single-Phase 60Hz

11,900

3.5

Performance

Available Voltage Range Running Amperes

V A

WPower Input

10.9

1,090

%Power Factor 87 EER BTU/h/W 10.9 SEER BTU/Wh 17 Compressor Locked Rotor Amperes

Electrical Rating

A20 Fuse or Circuit Breaker Capacity A20 Controls / Temperature Control Control Unit Timer

Indoor / OutdoorFan Speeds

Microprocessor / I.C. Thermister

Wireless Remote Control Unit

24-Hour ON or OFF Timer, 1-Hour OFF Timer

Auto and 3 steps / Auto (Hi, Me, Lo)

Airflow Direction (Indoor) Horizontal

Vertical Air Filter Compressor Refrigerant / Amount charged at shipment Ibs (g)

Features

Refrigerant Control Operation Sound (*Qt = Quiet mode)

Indoor : Hi/Me/Lo/Qt* Outdoor : Hi

dB-A dB-A

Washable, Anti-Mold

DC Rotary (Inverter)

R410A / 2.43 (1,100)

Electric Expansion Valve

36 / 33 / 29 / 25

Refrigerant Tubing Connections

ft (m)Max. allowable tubing length at shipment Refrigerant inch (mm) Tube Diameter inch (mm) Refrigerant Tube Kit / Accessories

Narrow tube Wide tube

Optional / Air Clean Filter

Unit Dimensions

Height × Width × Depth

Package Dimensions

Height × Width × Depth

Weight

Dimensions & Weight

Shipping Volume

Net Shipping

inch

(mm)

inch

(mm)

Ibs (kg) Ibs (kg)

cu.ft (m

11-7/32 × 32-15/32 × 7-7/16 21-9/16 × 28-11/32 × 10-7/16

(285 × 825 × 189) (548 × 720 × 265)

10-1/32 × 35-7/16 × 13-25/32

(255 × 900 × 350)

19.8

(9.0)

24.3

(11.0)

)

2.82

(0.08)

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Cooling

( 3,000 to 11,900 ) ( 0.9 to 3.5 )

9,100 2,800

294 (500)Air Circulation (High) ft3/min (m3/h)

4.26Moisture Removal (High) Pints/h

104 to 126 ( 2.5 to 10.9 ) ( 250 to 1,090 )

Manual

Auto

Flare Type

25 (7.5) 1/4 (6.35) 3/8 (9.52)

Outdoor UnitIndoor Unit

23-5/8 × 33-11/16 × 14-1/4

(600 × 856 × 362)

75.0

81.6

6.35

(34.0) (37.0) (0.18)

Remarks: Rating conditions are:

Cooling: Indoor air temperature 80°F D.B. / 67°F W.B.

Outdoor air temperature 95°F D.B. / 75°F W.B.

Page 10

2-2. Major Component Specifications

2-2-1. Indoor Unit

Indoor Unit KS0971

Control PCB

Part No.

Controls

Control Circuit Fuse

CB-KS0971

Microprocessor

250V 3A

Remote Control Unit

Fan

Type Q'ty ... Dia. and Length

Fan Motor

Type Model ... Q'ty No. of Poles

Rough Measure RPM (Cool)

Nominal Output Coil Resistance

(Ambient Temp. 68 °F (20 °C))

Safety Device

Type Operating Temp.

Run Capacitor Micro F

Flap Motor

Type Stepping Motor

Model

Rating

Coil Resistance Ohm

(Ambient Temp. 77 °F (25 °C))

inch (mm)

Ohm

Open °F (°C)

Close °F (°C)

VAC

1 ... D3-11/16 / L24-31/32 (D94/L634)

Each Pair of Terminal : 400 +/- 7%

RCS-4VPIS4U

IBH-884-076 ... 1

BRN-WHT : 57.9 RED-WHT : 55.2

Thermal Fuse

Cross-Flow

AC Motor

1,200

266 (130)

4.5

250

MP24Z3 DC 12V

Heat Exchanger Coil

Coil

Rows Fins per inch

(m2)

Aluminum Plate Fin / Copper Tube

19.5

2.02 (0.188) Face Area

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Page 11

Indoor Unit KS1271

Control PCB

Part No.

Controls

Control Circuit Fuse

CB-KS1271

Microprocessor

250V 3A

Remote Control Unit

RCS-4VPIS4U

Fan

Type Q'ty ... Dia. and Length

inch (mm)

1 ... D3-11/16 / L24-31/32 (D94/L634)

Fan Motor

Type Model ... Q'ty

IBH-884-076 ... 1

No. of Poles

Rough Measure RPM (Cool)

Nominal Output Coil Resistance

(Ambient Temp. 68 °F (20 °C))

Ohm

BRN-WHT : 57.9 RED-WHT : 55.2

Safety Device

Type Operating Temp.

Open °F (°C)

Thermal Fuse

Close °F (°C)

Run Capacitor Micro F

VAC

Flap Motor

Type Stepping Motor

Model

Rating

Coil Resistance Ohm

Each Pair of Terminal : 400 +/- 7%

(Ambient Temp. 77 °F (25 °C))

Cross-Flow

AC Motor

1,250

266 (130)

4.5

250

MP24Z3 DC 12V

Heat Exchanger Coil

Coil

Rows Fins per inch

(m2)

Aluminum Plate Fin / Copper Tube

19.5

2.02 (0.188) Face Area

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Page 12

2-2-2. Outdoor Unit

Outdoor Unit C0971

Control PCB

Part No.

Controls

Control Circuit Fuse

Compressor

Type

Compressor Model / Nominal Output Compressor Oil ... Amount Coil Resistance (Ambient Temp. 68 °F (20 °C))

Safety Device

CT (Peak current cut-off control) Compressor Discharge Temp. Control

Operation cut-off control in abnormal ambient Temp.

Overload Relay

Run Capacitor

Crankcase Heater

Pints (cc)

Ohm

Model

Operation Temp.

Micro F

VAC

CB-C0971

Microprocessor

125V 25A

DC Rotary (Hermetic)

G4C090LU1ER / 900W

FV50S ... 0.68 (320)

U - V :

0.81

V - W :

W - U :

0.81

Yes Yes Yes

CS-7L115

Open : 239 °F (115 °C), Close : 203 °F (95 °C)

Fan

Type

Q'ty ... Dia. inch (mm)

Fan Motor

Type Model ... Q'ty No. of Poles

Rough Measure RPM (Cool)

Nominal Output

Coil Resistance

(Ambient Temp. 68 °F (20 °C))

Safety Device

Type Over- Current Protection

Run Capacitor

Heat Exchanger Coil

Coil

Rows Fins per inch

Face Area

Ohm

Micro F

VAC

(m2)

Propeller

1 ... D15-3/4 (D400)

DC Motor

DAJ12-55J71-CU ... 1

750

RED - WHT :

WHT - BLU :

BLU - RED :

77.5

Internal Controller

Yes

Aluminum Plate Fin / Copper Tube

18.1

3.10 (0.288)

External Finish Acrylic baked-on enamel finish

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Page 13

Outdoor Unit C1271

Control PCB

Part No.

Controls

Control Circuit Fuse

Compressor

Type

Compressor Model / Nominal Output Compressor Oil ... Amount Coil Resistance (Ambient Temp. 68 °F (20 °C))

Safety Device

CT (Peak current cut-off control) Compressor Discharge Temp. Control

Operation cut-off control in abnormal ambient Temp.

Overload Relay

Run Capacitor

Crankcase Heater

Pints (cc)

Ohm

Model

Operation Temp.

Micro F

VAC

CB-C1271

Microprocessor

125V 25A

DC Rotary (Hermetic)

G4C090LU1ER / 900W

FV50S ... 0.68 (320)

U - V :

0.81

V - W :

W - U :

0.81

Yes Yes Yes

CS-7L115

Open : 239 °F (115 °C), Close : 203 °F (95 °C)

Fan

Type

Q'ty ... Dia. inch (mm)

Fan Motor

Type Model ... Q'ty No. of Poles

Rough Measure RPM (Cool)

Nominal Output

Coil Resistance

(Ambient Temp. 68 °F (20 °C))

Safety Device

Type Over- Current Protection

Run Capacitor

Heat Exchanger Coil

Coil

Rows Fins per inch

Face Area

Ohm

Micro F

VAC

(m2)

Propeller

1 ... D15-3/4 (D400)

DC Motor

DAJ12-55J71-CU ... 1

750

RED - WHT :

WHT - BLU :

BLU - RED :

77.5

Internal Controller

Yes

Aluminum Plate Fin / Copper Tube

18.1

3.95 (0.367)

External Finish Acrylic baked-on enamel finish

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Page 14

Outdoor Unit CL0971

Control PCB

Part No.

Controls

Control Circuit Fuse

Compressor

Type

Compressor Model / Nominal Output Compressor Oil ... Amount Coil Resistance (Ambient Temp. 68 °F (20 °C))

Safety Device

CT (Peak current cut-off control) Compressor Discharge Temp. Control

Operation cut-off control in abnormal ambient Temp.

Overload Relay

Run Capacitor

Crankcase Heater

Pints (cc)

Ohm

Model

Operation Temp.

Micro F

VAC

CB-CL0971

Microprocessor

125V 25A

DC Rotary (Hermetic)

G4C090LU1ER / 900W

FV50S ... 0.68 (320)

U - V :

0.81

V - W :

W - U :

0.81

Yes Yes Yes

CS-7L115

Open : 239 °F (115 °C), Close : 203 °F (95 °C)

115V 20W

Fan

Type

Q'ty ... Dia. inch (mm)

Fan Motor

Type Model ... Q'ty No. of Poles

Rough Measure RPM (Cool)

Nominal Output

Coil Resistance

(Ambient Temp. 68 °F (20 °C))

Safety Device

Type Over- Current Protection

Run Capacitor

Heat Exchanger Coil

Coil

Rows Fins per inch

Face Area

Ohm

Micro F

VAC

(m2)

Propeller

1 ... D15-3/4 (D400)

DC Motor

DAJ12-55J71-CU ... 1

750

RED - WHT :

WHT - BLU :

BLU - RED :

77.5

Internal Controller

Yes

Aluminum Plate Fin / Copper Tube

18.1

3.10 (0.288)

External Finish Acrylic baked-on enamel finish

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Page 15

Outdoor Unit CL1271

Control PCB

Part No.

Controls

Control Circuit Fuse

Compressor

Type

Compressor Model / Nominal Output Compressor Oil ... Amount Coil Resistance (Ambient Temp. 68 °F (20 °C))

Safety Device

CT (Peak current cut-off control) Compressor Discharge Temp. Control

Operation cut-off control in abnormal ambient Temp.

Overload Relay

Run Capacitor

Crankcase Heater

Pints (cc)

Ohm

Model

Operation Temp.

Micro F

VAC

CB-CL1271

Microprocessor

125V 25A

DC Rotary (Hermetic)

G4C090LU1ER / 900W

FV50S ... 0.68 (320)

U - V :

0.81

V - W :

W - U :

0.81

Yes Yes Yes

CS-7L115

Open : 239 °F (115 °C), Close : 203 °F (95 °C)

115V 20W

Fan

Type

Q'ty ... Dia. inch (mm)

Fan Motor

Type Model ... Q'ty No. of Poles

Rough Measure RPM (Cool)

Nominal Output

Coil Resistance

(Ambient Temp. 68 °F (20 °C))

Safety Device

Type Over- Current Protection

Run Capacitor

Heat Exchanger Coil

Coil

Rows Fins per inch

Face Area

Ohm

Micro F

VAC

(m2)

Propeller

1 ... D15-3/4 (D400)

DC Motor

DAJ12-55J71-CU ... 1

750

RED - WHT :

WHT - BLU :

BLU - RED :

77.5

Internal Controller

Yes

Aluminum Plate Fin / Copper Tube

18.1

3.95 (0.367)

External Finish Acrylic baked-on enamel finish

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Page 16

2-3. Other Component Specifications

Indoor Unit KS0971  KS1271

Outdoor Unit C0971 C1271  CL0971 CL1271

Indoor air temp sensor

(Model:PTM-D51H-S3 TH2)

Indoor heat exchanger sensor

(Model:PTM-D51H-S3 TH1)

Compressor temp sensor

(Model:DTN-TKS274Y TH2)

Resistance (k ohm)

59 68 77 86 95 104

(10) (15) (20) (25) (30) (35) (40)

Temperature °F (°C)

200

180

160

140

120

100

Resistance (k ohm)

32 50 68 86 104 122 140 158 176 194 (0) (10) (20) (30) (40)(50) (60) (70)(80) (90)

Temperature °F (°C)

Outdoor air temp sensor

(Model:DTN-TKS269B)

Outdoor heat exchanger sensor

(Model:DTN-TKS274Y TH1)

Resistance (k ohm)

4514 23 32 41 50 59 68

(

20)(-15)(-10) (-5) (0) (5) (10) (15) (20)

Temperature °F (°C)

Page 17

3. DIMENSIONAL DATA

Indoor Unit  KS0971  KS1271

Unit: inch(mm)

Page 18

Outdoor Unit C0971 C1271

 CL0971 CL1271

3-19/32

10-13/16

21-3/16

ID:23/32

28-11/32 (720) 2-1/8

2-ID:15/16

3-19/32

15/32

11-13/32

10-7/16(265)

12-7/16

Wide tube service valve dia.3/8" (9.52)

Narrow tube service valve dia.1/4" (6.35)

5/8

21-9/16 (548)

4-9/32 2-5/32

6-3/32

Unit: inch(mm)

Page 19

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram

Indoor Unit KS0971  KS1271

Indoor unit Outdoor unit

Heat exchanger

Narrow tube

Wide tube

O.D. 3/8" (9.52 mm)

Outdoor Unit C0971 C1271

 CL0971 CL1271

Wide tube service valve

Muffler

Narrow tube service valve

Accumulator

Electric

expansion

valve

High pressure

switch

H.P.

Compressor

Heat exchanger

O.D. 1/4" (6.35 mm)

Insulation of Refrigerant Tubing

IMPORTANT

Because capillary tubing is used in the outdoor unit, both the wide and narrow tubes of this air conditioner become cold. To prevent heat loss and wet floors due to dripping of condensation, both tubes must be well insulated with a proper insulation material. The thickness of the insulation should be a min. 5/16"(8 mm).

After a tube has been insulated,

CAUTION

never try to bend it into a narrow curve because it can cause the tube to break or crack.

Muffler

*1: 0nly for C1271/CL1271

Thickness: Min. 5/16"(8 mm)

Wide tube

Cooling cycle

Insulation

Thickness: Min. 5/16"(8 mm)

Narrow tube

Page 20

5. PERFORMANCE DATA

5-1. Temperature Charts

Indoor Unit KS0971 Outdoor Unit C0971

Cooling Characteristics (RH : 46%, Indoor fan speed : High fan) (60Hz, 115V)

(1) Low pressure performance chart

173

(1.2)

Hi FanLo fan

159

(1.1)

psig(MPaG)

F (

(25)

°C)

(30)

(35)

104 (40)

145

(1.0)

131

(0.9)

117

Low pressure at wide tube service valve

(0.8)

(2) Operating current performance chart

Indoor Air Temp.86

Indoor Air Temp.86°F (30°C)

°F (

(20)

Outdoor inlet air D.B. temp.°F(°C)

Operating current (A)

(20)

(3) Indoor discharge air performance chart

64.4 (18)

°C)

60.8 (16)

57.2 (14)

53.6 (12)

50.0 (10)

Hi FanLo fan

F (30

°C)

°F (

Indoor Air Temp.86

Indoor Air Temp.86°F (30°C)

°C)

F (

°F (

(25)

(30)

Outdoor inlet air D.B. temp.°F(°C)

Hi FanLo fan

)

°C)

F (

Indoor Air Temp.86

Indoor Air Temp.86°F (30°C

75°

F (

°F (

F (

°F (

°C)

(35)

104 (40)

Indoor discharge air temperature °F(

46.4 (8) 68

(20)

(25)

(30)

(35)

104 (40)

Outdoor inlet air D.B. temp.°F(°C)

NOTE

Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value. :Points of rating condition Black dots in above charts indicate the following rating conditions.

Cooling: Indoor air temperature 80 °F D.B. / 67 °F W.B. Outdoor air temperature 95 °F D.B.

Page 21

Indoor Unit KS0971 Outdoor Unit CL0971

Cooling Characteristics (RH : 46%, Indoor fan speed : High fan) (60Hz, 115V)

(1) Low pressure performance chart

173

(1.2)

159

(1.1)

psig(MPaG)

145

(1.0)

Indoor Air Temp.86

Indoor Air Temp.86°F (30°C)

131

(0.9)

117

Low pressure at wide tube service valve

(0.8)

-4

(-20)

(-15)

(-10)

(-5)

(2) Operating current performance chart

32 (0)

41 (5)

(10)

Outdoor inlet air D.B. temp.°F(°C)

(15)

(20)

°F (

F (

°F (

Hi FanLo fan

F (

°C)

(25)

(30)

(35)

104 (40)

Operating current (A)

-4

(-20)

(-15)

(-10)

(-5)

(3) Indoor discharge air performance chart

64.4 (18)

°C)

60.8 (16)

57.2 (14)

53.6 (12)

50.0 (10)

32 (0)

41 (5)

(10)

Outdoor inlet air D.B. temp.°F(°C)

Indoor Air Temp.86

Indoor Air Temp.86°F (30°C)

(15)

(20)

Indoor Air Temp.86

Indoor Air Temp.86°F (30°C)

Hi FanLo fan

F (

°C)

°F (

°C)

F (

°F (

F (

(25)

F (

°C)

(30)

(35)

Hi FanLo fan

104 (40)

Indoor discharge air temperature °F(

46.4 (8)

-4

(-20)

(-15)

(-10)

(-5)

32 (0)

41 (5)

(10)

(15)

(20)

(25)

(30)

(35)

Outdoor inlet air D.B. temp.°F(°C)

NOTE

Cooling: Indoor air temperature 80 °F D.B. / 67 °F W.B. Outdoor air temperature 95 °F D.B.

104 (40)

Page 22

Indoor Unit KS1271 Outdoor Unit C1271

Cooling Characteristics (RH : 46%, Indoor fan speed : High fan) (60Hz, 115V)

(1) Low pressure performance chart

173

(1.2)

Hi FanLo fan

159

(1.1)

psig(MPaG)

145

Indoor Air Temp.86°F (30°C)

(1.0)

131

(0.9)

117

Low pressure at wide tube service valve

(0.8)

(2) Operating current performance chart

Operating current (A)

(20)

Indoor Air Temp.86°F (30°C)

(20)

°C)

°F (

°C)

°F (

(25)

(30)

(35)

Outdoor inlet air D.B. temp.°F(°C)

Hi FanLo fan

°C)

°F (

°C)

°F (

(25)

(30)

(35)

Outdoor inlet air D.B. temp.°F(°C)

104 (40)

(3) Indoor discharge air performance chart

64.4 (18)

°C)

(30)

Hi FanLo fan

(35)

104 (40)

60.8 (16)

57.2 (14)

53.6 (12)

50.0 (10)

Indoor discharge air temperature °F(

46.4 (8)

Indoor Air Temp.86°F (30°C)

°C)

°F (

°C)

°F (

(20)

(25)

Outdoor inlet air D.B. temp.°F(°C)

NOTE

Cooling: Indoor air temperature 80 °F D.B. / 67 °F W.B. Outdoor air temperature 95 °F D.B.

Page 23

Indoor Unit KS1271 Outdoor Unit CL1271

Cooling Characteristics (RH : 46%, Indoor fan speed : High fan) (60Hz, 115V)

(1) Low pressure performance chart

173

(1.2)

159

(1.1)

psig(MPaG)

145

(1.0)

131

(0.9)

117

Low pressure at wide tube service valve

(0.8)

-4

(-20)

(-15)

(-10)

(-5)

(2) Operating current performance chart

Operating current (A)

-4

(-20)

(-15)

(-10)

(-5)

(0)

41 (5)

(10)

Outdoor inlet air D.B. temp.°F(°C)

(0)

41 (5)

(10)

Outdoor inlet air D.B. temp.°F(°C)

Indoor Air Temp.86°F (30°C)

(15)

(20)

Indoor Air Temp.86°F (30°C)

(20)

°F (

Hi FanLo fan

°C)

(25)

°C)

(25)

(30)

(35)

Hi FanLo fan

(35)

104 (40)

(3) Indoor discharge air performance chart

64.4 (18)

°C)

(30)

Hi FanLo fan

(35)

60.8 (16)

57.2 (14)

53.6 (12)

50.0 (10)

Indoor discharge air temperature °F(

46.4 (8)

-4

(-20)

(-15)

(-10)

(-5)

(0)

Indoor Air Temp.86°F (30°C)

°C)

°F (

°C)

°F (

41 (5)

(10)

(15)

(20)

(25)

Outdoor inlet air D.B. temp.°F(°C)

NOTE

Cooling: Indoor air temperature 80 °F D.B. / 67 °F W.B. Outdoor air temperature 95 °F D.B.

104 (40)

Page 24

5-2. Cooling Capacity

Indoor Unit : KS0971

Outdoor Unit : C0971 / CL0971

Power Supply : 115V Single Phase 60Hz

< Cooling Capacity >

RATING CAPACITY: 9,000 BTU/h AIR FLOW RATE: 282 CFM

INDOOR OUTDOOR

ENT. TEMP. oF (oC) AMBIENT TEMP. oF (oC)

W.B. D.B. 65 75 85 95 105 115

TC 9,080 8,800 8,500 8,260 7,890 6,400

72 (22.2) SHC 6,870 6,760 6,590 6,480 6,320 5,610

59 76 (24.4) SHC 7,860 7,690 7,580 7,470 7,250 6,400

(15.0) 80 (26.7) SHC 8,840 8,730 8,500 8,260 7,890 6,400

84 (28.9) SHC 9,080 8,800 8,500 8,260 7,890 6,400 88 (31.1) SHC 9,080 8,800 8,500 8,260 7,890 6,400

TC 9,440 9,160 8,860 8,630 8,250 6,580

72 (22.2) SHC 5,770 5,610 5,500 5,390 5,220 4,510

63 76 (24.4) SHC 6,700 6,590 6,430 6,370 6,160 5,500

(17.2) 80 (26.7) SHC 7,690 7,580 7,470 7,360 7,200 6,480

84 (28.9) SHC 8,680 8,570 8,400 8,300 8,130 6,580 88 (31.1) SHC 9,440 9,160 8,860 8,630 8,250 6,580

TC 9,790 9,520 9,220 # 9,000 8,620 6,740

(18.3) (23.9) (29.4) (35.0) (40.6) (46.1)

72 (22.2) SHC 4,620 4,450 4,350 4,290 4,130 3,410

67 76 (24.4) SHC 5,550 5,440 5,330 5,220 5,060 4,350

(19.4) 80 (26.7) SHC 6,540 6,430 6,320 6,210 6,100 5,330

84 (28.9) SHC 7,530 7,420 7,310 7,200 7,030 6,320 88 (31.1) SHC 8,460 8,350 8,240 8,190 8,020 6,740

TC 10,120 9,860 9,560 9,360 8,980 6,890

72 (22.2) SHC 3,360 3,250 3,140 3,080 2,920 2,210

71 76 (24.4) SHC 4,350 4,240 4,130 4,020 3,910 3,190

(21.7) 80 (26.7) SHC 5,330 5,220 5,110 5,060 4,890 4,180

84 (28.9) SHC 6,270 6,210 6,100 5,990 5,880 5,110 88 (31.1) SHC 7,250 7,140 7,030 6,980 6,810 6,100

TC 10,400 10,140 9,840 9,680 9,300 7,010

75 76 (24.4) SHC 3,140 3,030 2,920 2,860 2,750 2,040

(23.9) 80 (26.7) SHC 4,130 4,070 3,960 3,910 3,800 3,030

84 (28.9) SHC 5,110 5,000 4,890 4,840 4,730 4,020 88 (31.1) SHC 6,050 5,990 5,880 5,830 5,720 4,950

TC : Total Cooling Capacity (BTU/h) SHC : Sensible Heat Capacity (BTU/h)

NOTE

Rating conditions (#)

: Indoor Unit Entering Air Temp. 80 °F (26.7 °C) D.B. / 67 °F (19.4 °C) W.B. : Outdoor Ambient Temp. 95 °F (35 °C) D.B.

Above data does not take Freeze Prevention Protection during cooling operation into account. For this reason, the value may vary from the actual cooling characteristics.

3. Above data represents the value when the operation frequency of a compressor is fixed.

Page 25

Indoor Unit : KS1271

Outdoor Unit : C1271 / CL1271

Power Supply : 115V Single Phase 60Hz

< Cooling Capacity >

RATING CAPACITY: 11,900 BTU/h AIR FLOW RATE: 294 CFM

INDOOR OUTDOOR

ENT. TEMP. oF (oC) AMBIENT TEMP. oF (oC)

W.B. D.B. 65 75 85 95 105 115

TC 11,970 11,660 11,310 11,050 10,620 8,860

72 (22.2) SHC 8,480 8,300 8,130 7,960 7,730 6,880

59 76 (24.4) SHC 9,450 9,280 9,100 8,990 8,760 7,850

(15.0) 80 (26.7) SHC 10,530 10,360 10,130 10,020 9,790 8,860

84 (28.9) SHC 11,500 11,330 11,160 10,990 10,620 8,860 88 (31.1) SHC 11,970 11,660 11,310 11,050 10,620 8,860

TC 12,370 12,070 11,730 11,480 11,050 9,020

72 (22.2) SHC 7,220 7,050 6,880 6,760 6,530 5,620

63 76 (24.4) SHC 8,190 8,020 7,850 7,730 7,560 6,590

(17.2) 80 (26.7) SHC 9,220 9,100 8,930 8,820 8,590 7,680

84 (28.9) SHC 10,250 10,080 9,900 9,790 9,560 8,650 88 (31.1) SHC 11,220 11,050 10,880 10,760 10,590 9,020

TC 12,740 12,450 12,120 # 11,900 11,470 9,160

(18.3) (23.9) (29.4) (35.0) (40.6) (46.1)

72 (22.2) SHC 5,900 5,730 5,620 5,500 5,330 4,360

67 76 (24.4) SHC 6,880 6,760 6,590 6,530 6,300 5,330

(19.4) 80 (26.7) SHC 7,900 7,790 7,620 7,560 7,330 6,420

84 (28.9) SHC 8,930 8,760 8,650 8,530 8,360 7,390 88 (31.1) SHC 9,900 9,790 9,620 9,560 9,330 8,360

TC 13,080 12,800 12,470 12,290 11,870 9,270

72 (22.2) SHC 4,480 4,360 4,250 4,190 4,020 3,050

71 76 (24.4) SHC 5,500 5,390 5,220 5,160 4,990 4,020

(21.7) 80 (26.7) SHC 6,530 6,420 6,300 6,190 6,080 5,050

84 (28.9) SHC 7,500 7,390 7,280 7,220 7,050 6,080 88 (31.1) SHC 8,530 8,420 8,300 8,190 8,020 7,050

TC 13,320 13,060 12,750 12,610 12,210 9,330

75 76 (24.4) SHC 4,130 4,020 3,960 3,900 3,730 2,760

(23.9) 80 (26.7) SHC 5,160 5,100 4,990 4,930 4,760 3,790

84 (28.9) SHC 6,190 6,080 5,960 5,900 5,790 4,820 88 (31.1) SHC 7,160 7,100 6,990 6,930 6,760 5,790

TC : Total Cooling Capacity (BTU/h) SHC : Sensible Heat Capacity (BTU/h)

NOTE

Rating conditions (#)

: Indoor Unit Entering Air Temp. 80 °F (26.7 °C) D.B. / 67 °F (19.4 °C) W.B. : Outdoor Ambient Temp. 95 °F (35 °C) D.B.

Above data does not take Freeze Prevention Protection during cooling operation into account. For this reason, the value may vary from the actual cooling characteristics.

3. Above data represents the value when the operation frequency of a compressor is fixed.

Page 26

5-3. Cooling Capacity (Low Ambient)

Indoor Unit : KS0971

Outdoor Unit : CL0971

Power Supply : 115V Single Phase 60Hz

< Cooling Capacity (Low Ambient) >

RATING CAPACITY: 9,000 BTU/h AIR FLOW RATE: 282 CFM

INDOOR OUTDOOR

ENT. TEMP.

W.B. D.B. 0515 25 35 45 55

59 76 (24.4) SHC 8,190 8,240 8,190 8,240 8,240 8,240 8,190

(15.0) 80 (26.7) SHC 9,230 9,230 9,230 9,230 9,230 9,230 9,230

63 76 (24.4) SHC 6,810 6,810 6,870 6,920 6,980 6,980 6,980

(17.2) 80 (26.7) SHC 7,800 7,860 7,860 7,910 7,970 7,970 7,970

F (oC) AMBIENT TEMP. oF (oC)

(-17.8) (-15.0) (-9.4) (-3.9) (1.7) (7.2) (12.8)

TC 9,770 9,790 9,760 9,800 9,840 9,850 9,780

72 (22.2) SHC 7,250 7,250 7,250 7,250 7,250 7,310 7,250

84 (28.9) SHC 9,770 9,790 9,760 9,800 9,840 9,850 9,780 88 (31.1) SHC 9,770 9,790 9,760 9,800 9,840 9,850 9,780

TC 9,670 9,700 9,760 9,860 9,960 10,010 9,980

72 (22.2) SHC 5,880 5,880 5,880 5,940 5,990 5,990 5,990

84 (28.9) SHC 8,790 8,790 8,840 8,900 8,900 8,950 8,950 88 (31.1) SHC 9,670 9,700 9,760 9,830 9,890 9,890 9,890

TC 9,460 9,510 9,660 9,840 10,010 10,120 10,120

72 (22.2) SHC 4,450 4,450 4,560 4,620 4,670 4,730 4,730

67 76 (24.4) SHC 5,440 5,440 5,500 5,550 5,660 5,720 5,720

(19.4) 80 (26.7) SHC 6,430 6,430 6,480 6,590 6,650 6,700 6,700

84 (28.9) SHC 7,360 7,420 7,470 7,530 7,640 7,640 7,640 88 (31.1) SHC 8,350 8,350 8,400 8,510 8,570 8,620 8,620

TC 9,100 9,170 9,440 9,730 9,980 10,160 10,210

72 (22.2) SHC 2,970 3,030 3,080 3,190 3,300 3,360 3,410

71 76 (24.4) SHC 3,960 3,960 4,070 4,180 4,290 4,350 4,350

(21.7) 80 (26.7) SHC 4,950 5,000 5,060 5,170 5,280 5,330 5,390

84 (28.9) SHC 5,940 5,940 6,050 6,160 6,210 6,320 6,320 88 (31.1) SHC 6,870 6,920 6,980 7,090 7,200 7,250 7,310

TC 8,630 8,720 9,130 9,530 9,880 10,120 10,220

75 76 (24.4) SHC 2,530 2,590 2,700 2,860 2,970 3,030 3,080

(23.9) 80 (26.7) SHC 3,580 3,580 3,740 3,850 3,960 4,020 4,070

84 (28.9) SHC 4,510 4,560 4,670 4,780 4,950 5,000 5,060 88 (31.1) SHC 5,500 5,500 5,660 5,770 5,880 5,990 5,990

TC : Total Cooling Capacity (BTU/h) SHC : Sensible Heat Capacity (BTU/h)

NOTE

Above data does not take Freeze Prevention Protection during cooling operation into account. For this reason, the value may vary from the actual cooling characteristics.

2. Above data represents the value when the operation frequency of a compressor is fixed.

Page 27

Indoor Unit : KS1271

Outdoor Unit : CL1271

Power Supply : 115V Single Phase 60Hz

< Cooling Capacity (Low Ambient) >

RATING CAPACITY: 11,900 BTU/h AIR FLOW RATE: 294 CFM

INDOOR OUTDOOR

ENT. TEMP.

W.B. D.B. 0515 25 35 45 55

59 76 (24.4) SHC 8,250 8,250 8,250 8,300 8,300 8,300 8,250

(15.0) 80 (26.7) SHC 9,280 9,280 9,330 9,330 9,330 9,330 9,280

63 76 (24.4) SHC 6,880 6,880 6,930 6,930 6,990 6,990 6,990

(17.2) 80 (26.7) SHC 7,900 7,900 7,960 8,020 8,020 8,020 8,020

F (oC) AMBIENT TEMP. oF (oC)

TC 9,660 9,670 9,680 9,710 9,730 9,720 9,670

72 (22.2) SHC 7,280 7,280 7,280 7,280 7,280 7,280 7,280

84 (28.9) SHC 9,660 9,670 9,680 9,710 9,730 9,720 9,670 88 (31.1) SHC 9,660 9,670 9,680 9,710 9,730 9,720 9,670

TC 9,610 9,620 9,700 9,780 9,840 9,870 9,840

72 (22.2) SHC 5,900 5,900 5,900 5,960 5,960 6,020 5,960

84 (28.9) SHC 8,930 8,930 8,930 8,990 8,990 9,050 8,990 88 (31.1) SHC 9,610 9,620 9,700 9,780 9,840 9,870 9,840

TC 9,460 9,490 9,640 9,770 9,890 9,960 9,970

(-17.8) (-15.0) (-9.4) (-3.9) (1.7) (7.2) (12.8)

72 (22.2) SHC 4,480 4,480 4,530 4,590 4,650 4,700 4,700

67 76 (24.4) SHC 5,450 5,500 5,560 5,620 5,680 5,680 5,680

(19.4) 80 (26.7) SHC 6,530 6,530 6,590 6,650 6,700 6,700 6,700

84 (28.9) SHC 7,500 7,500 7,560 7,620 7,680 7,730 7,730 88 (31.1) SHC 8,480 8,530 8,590 8,650 8,700 8,700 8,700

TC 9,190 9,240 9,480 9,680 9,860 9,980 10,030

72 (22.2) SHC 2,990 3,050 3,100 3,160 3,280 3,280 3,330

71 76 (24.4) SHC 4,020 4,020 4,130 4,190 4,250 4,300 4,300

(21.7) 80 (26.7) SHC 5,050 5,050 5,160 5,220 5,280 5,330 5,330

84 (28.9) SHC 6,020 6,080 6,130 6,190 6,300 6,300 6,360 88 (31.1) SHC 7,050 7,050 7,160 7,220 7,280 7,330 7,330

TC 8,840 8,900 9,240 9,520 9,760 9,940 10,020

75 76 (24.4) SHC 2,590 2,650 2,760 2,820 2,930 2,990 2,990

(23.9) 80 (26.7) SHC 3,680 3,680 3,790 3,850 3,960 4,020 4,020

84 (28.9) SHC 4,650 4,650 4,760 4,880 4,930 4,990 5,050 88 (31.1) SHC 5,620 5,680 5,790 5,850 5,960 6,020 6,020

TC : Total Cooling Capacity (BTU/h) SHC : Sensible Heat Capacity (BTU/h)

NOTE

Above data does not take Freeze Prevention Protection during cooling operation into account. For this reason, the value may vary from the actual cooling characteristics.

2. Above data represents the value when the operation frequency of a compressor is fixed.

Page 28

5-4. Air Throw Distance Charts



0 5 10 15 20 25 30

Indoor Unit KS0971

Cooling

Room air temp. : 80°F (26.7°C)

Fan speed : High

Axis air velocity (ft./sec.)

Vertical distance (ft.)

Horizontal distance (ft.)

: Flap angle 0 , : Axis air velocity 0 : Flap angle 30 , : Axis air velocity 30

Page 29

Indoor Unit KS1271



0 5 10 15 20 25 30

Cooling

Room air temp. :80 Fan speed : High

Axis air velocity (ft./sec.)

Vertical distance (ft.)

(26.7°C)

°F

Horizontal distance (ft.)

: Flap angle 0 , : Axis air velocity 0 : Flap angle 30 , : Axis air velocity 30

Page 30

6. ELECTRICAL DATA

6-1. Electrical Characteristics

Indoor UnitKS0971

C0971

Outdoor Unit

Cooling

Performance at 115V Single-phase 60Hz Rating conditions Running amp. A 0.45

Rating conditions: Indoor air temperature: 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.  Outdoor air temperature: 95°F (35°C) D.B.

Indoor Unit KS0971 Outdoor Unit CL0971

Cooling

Performance at 115V Single-phase 60Hz Rating conditions Running amp. 0.45



Indoor Unit Outdoor Unit Complete Unit

Fan Motor Fan Motor + Compressor

7.15

Power input W

Power input 45

Indoor Unit Outdoor Unit Complete Unit

Fan Motor Fan Motor + Compressor

705

7.15 705

7.6

750

7.6

750

Rating conditions: Indoor air temperature: 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.  Outdoor air temperature: 95°F (35°C) D.B.

Page 31

Indoor UnitKS1271

C1271

Outdoor Unit

Cooling

Performance at 115V Single-phase 60Hz Rating conditions Running amp. 0.45

Rating conditions: Indoor air temperature: 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.  Outdoor air temperature: 95°F (35°C) D.B.

Indoor Unit KS1271 Outdoor Unit CL1271

Cooling

Performance at 115V Single-phase 60Hz Rating conditions Running amp. 0.45



Indoor Unit Outdoor Unit Complete Unit

Fan Motor Fan Motor + Compressor

Power input 45

Indoor Unit Outdoor Unit Complete Unit

Fan Motor Fan Motor + Compressor

10.45 1,045

10.45

1,045

10.9

1,090

10.9

1,090

Rating conditions: Indoor air temperature: 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.  Outdoor air temperature: 95°F (35°C) D.B.

Page 32

6-2. Electric Wiring Diagrams

Indoor Unit KS0971 KS1271

EVAPORATOR

GRN/YEL

CONNECTOR

1 2

FLAP

3 4 5

FLAP MOTOR

WARNING

disconnect power before checking, servicing and/or cleaning any electrical parts.

TERMINAL BASE

To avoid electrical shock hazard, be sure to

TO OUTDOOR UNIT

RED

WHT

WHT WHT

IND LAMP ASSY

BLK

WHT

RED

1 3 5 1 3 5

5P (BLU)

RED

PNK

BLU

BRN

YEL

1 2 3 4 5

1 2

FLAP

5P (WHT)

4 5

10P(

LAMP

WHT

1 2 3 4 5

)

6 7 8 9

FAN MOTOR

GRN/YEL

FAN MOTOR CAPACITOR

(RED)

BRN

PNK

PNK BRN

WHT

RED

BLK YEL

CONTROLLER

FAN

5P (WHT)

HALL IC

3P (WHT)

131

FMC 3P (WHT)

ROOM/COIL

4P(

WHT

ION

3P (

WHT

JEM-A

4P (WHT)

1 2 4

ION TERMINAL

ROOM THERMISTOR

BLK

)

BLK

COIL THERMISTOR

WHT

)

RED

BLK

CONNECTOR

BLK

RED

WHT

1 2 3 4 1 2 3 4

ION ASSY

8FA2-5257-71600-0

Page 33

Outdoor Unit C0971 C1271

WARNING

disconnect power before checking, servicing and/or cleaning any electrical parts.

REACTANCE

To avoid electrical shock hazard, be sure to

)

BLK

(

YEL

ORG

112

YEL

ORG

2P-CONNECTOR

W W

CONTROLLER

GRN/YEL

25A

ACIN1

ACIN2

FERRITE

CORE

BLK

WHT

RED

BLK

POWER RELAY

BLK

WHT

TERMINAL

PLATE

GND

TO INDOOR UNIT

RED (PNK)

WHT

BLU

321

CONNECTOR (WHT)

1 2 3

CORE

FERRITE

BLU

RED

WHT

(PNK)

R/V

S/UC/W

COMPRESSOR

MOTOR

OVERLOAD RELAY

OUT DOOR

(OLR)

OUTDOOR

1 2 1 2

BLK

THERMISTOR

COIL/COMP

1 2 3 4 1 2 3 4

YEL

COIL

THERMISTOR

BLK

THERMISTOR

COMPRESSOR

GRN/YEL

DCFM

1 2 3 4 5 6 7

BLK

RED

WHT

1 2 3 4 5 6 7 1 2 3 4 5 6 7

BLK

RED

WHT

FAN MOTOR

WHT WHT

1 2 3 45566 1 2 3 4

YEL

BLU

RED

ORG

1 2 3 45566 1 2 3 4

YEL

7P-CONNECTOR (WHT)

MAGNETIC COIL

2P-CONNECTOR (BLK)

GRY

WHT

1 1 2 2

YEL

BLK

WHT WHT

WHT

1 1 2 2

2P-CONNECTOR (WHT)

POWER

GND

SUPPLY

HIGH PRESSURE

SWITCH

BLK BLK

8FA2-5257-69000-2

Page 34

Outdoor Unit CL0971 CL1271

1P-CONNECTOR (WHT

WHT

CRANKCASE

HEATER

1 1

WARNING

disconnect power before checking, servicing and/or cleaning any electrical parts.

REACTANCE

To avoid electrical shock hazard, be sure to

)

BLK

(

YEL

)

WHT

W W

C-HEATER1C-HEATER2

CONTROLLER

ORG

112

YEL

ORG

2P-CONNECTOR

W W

GRN/YEL

25A

ACIN1

ACIN2

FERRITE

CORE

BLK

WHT

RED

BLK

POWER RELAY

BLK

WHT

TERMINAL

PLATE

GND

TO INDOOR UNIT

RED (PNK)

WHT

BLU

321

CONNECTOR (WHT)

1 2 3

CORE

FERRITE

BLU

RED

WHT

(PNK)

R/V

S/UC/W

COMPRESSOR

MOTOR

OVERLOAD RELAY

OUT DOOR

(OLR)

OUTDOOR

1 2 1 2

BLK

THERMISTOR

COIL/COMP

1 2 3 4 1 2 3 4

YEL

COIL

THERMISTOR

BLK

THERMISTOR

COMPRESSOR

GRN/YEL

DCFM

1 2 3 4 5 6 7

BLK

RED

WHT

1 2 3 4 5 6 7 1 2 3 4 5 6 7

BLK

RED

WHT

FAN MOTOR

WHT WHT

1 2 3 45566 1 2 3 4

YEL

BLU

RED

ORG

1 2 3 45566 1 2 3 4

YEL

7P-CONNECTOR (WHT)

MAGNETIC COIL

2P-CONNECTOR (BLK)

GRY

WHT

1 1 2 2

YEL

BLK

WHT WHT

WHT

1 1 2 2

2P-CONNECTOR (WHT)

POWER

GND

SUPPLY

HIGH PRESSURE

SWITCH

BLK BLK

8FA2-5257-69300-2

Page 35

7. MAINTENANCE

7-1. Address Setting of the Remote

Control Unit

The address can be set in order to prevent interference between remote controllers when two Sanyo indoor units are installed near each other. The address is normally set to "A." To set a different address, it is necessary to change the address on the second remote controller.

NOTE

Once changed, you cannot restore the original address setting of the air conditioner.

(1) Switch on the power source.

Break the address-setting tab marked "A" on the

(2)

second remote controller to change the address (Fig. 13). When the tab is removed, the address is automatically set to B (Fig. 14).

(3) Press and hold the remote controller ION button

and 1 HR TIMER button. Then, press and hold the ACL (reset) button with a pointed object such as the tip of a pen. After 5 seconds, release ACL button first, then release ION and 1 HR TIMER buttons, "oP-1" (test run) appears, blinking in the remote controller clock display area.

(4) Each time the 1 HR TIMER button is pressed, the

display changes as shown below. Press this button 2 times to change the display to "oP-7" (address setting). (Fig. 15)

Test run mode

Self-diagnostic mode

Address setting mode

ION button

Tab

Fig. 13

ACL button

Fig. 14

ON/OFF operation button

1HR. TIMER button

(5) "oP-7" has now been selected for address setting.

(6) Press the ON/OFF operation button on the remote

controller. (Fig. 15) Check that the "beep"signalreceived sound is heard from the second indoor unit (approximately 5 times). The sound you hear is the signal that the remote controller address has been changed.

(7) Finally press the remote controller ACL (reset)

button to cancel the blinking "oP-7" display. (Fig.

15)

Changing of the second remote controller address is now completed.

ACL (Reset) button

Fig. 15

Page 36

7-2. Disconnecting and Connecting Positive Connector for Outdoor Unit

One of the two types of connectors illustrated at left is used. Their basic structure is the same for each.

How to Disconnect

Hold the resin connector cover, and pull the connector off. You cannot disconnect the connector by pulling the wire since it is locked inside. Always hold the cover to disconnect. (See illustration at left.) For the connector without the resin cover,

Pull the cover upward

When the cover is pulled upward, the lock is released with the sequence of 1 and 2.

push the lock in the direction of "2" while pulling it off.

How to Connect

In order to connect, hold the resin cover of the connector and push it in. Confirm the click sound for the inside lock.

Page 37

8. FUNCTIONS

8-1. Operation Functions

Emergency operation SENSOR DRY

Emergency operation is available when the remote controller malfunctions, has been lost, or otherwise cannot be used.

To operate the system, press the OPERATION button,

which is also used as the receiver, below the unit display.

Each time this button is pressed, the OPERATION lamp changes color to indicate the type of operation. Select the desired type of operation.

COOL STOP

(GREEN) (Lamp Off)

 The set temperature is 4°F(2°C) below the detected room

temperature in the case of cooling operation.

 During DRY operation, the system adjusts the room

temperature and fan speed according to the conditions in the room, in order to maintain a comfortable room environment.

SENSOR DRY operation

 DRY operation is as shown in the figure below.

Load

COOL zone

A zone

B zone

Conditions are monitored at all times when the room temperature is below 59°F(15°C).

DRY A

 The compressor operation frequency varies.  The indoor fan operates with 1/f fluctuation.

DRY B

 The compressor operates at a low operating frequency.  The indoor fan operates with 1/f fluctuation.

Monitor

 Monitoring operation takes place when the room temperature

is below 59°F temperature.

 When the monitoring range is entered, the compressor stops,

and the indoor fan operates with 1/f fluctuation.

NOTE

The Sensor Dry operation during the Low Ambient Cooling Mode (outside air temperature:59°F(15°C) or lower) is as follows.

DRY A

The compressor operates a cycle of 3 minutes ON and 6 minutes OFF repeatedly.

(15°C), or more than 5°F(3°C) below the set

(CLxx models only)

DRY Band

PAM- control

 In order to further improve inverter performance, control is

switched between PWM control at low operation speeds, and PAM control at high operation speeds, making the most effective use of power.

Page 38

HIGH POWER

NIGHT SETBACK

This function acts to raise the power but keeps the AC system in the same operating mode. This function is set with the HIGH POWER button on the remote controller. (It can be set regardless of the temperature and fan speed settings.)

 HIGH POWER operation from remote controller  The unit operates at maximum output for 30 minutes,

regardless of the desired temperature.

 The fan speed is 1 step above "High."

Frequency

MAX

30 min. 5 min.

Start End

Time

NOTE

 When HIGH POWER operation ends, the unit operates at low

Hz for 5 minutes, regardless of the thermostat OFF conditions.

 When in DRY mode, operation is in the cooling zone.

 When NIGHT SETBACK operation is set, the temperature and

fan speed settings will be adjusted automatically to allow comfortable sleep.

 When NIGHT SETBACK operation is set, " mark" appears on

the remote controller. The main unit display lamp also becomes dimmer.

 COOL and DRY modes

When the night setback mode is selected, the air conditioner automatically raises the temperature setting 2°F(1°C) when 30 minutes have passed after the selection was made, and then another 2°F(1°C) after another 30 minutes have passed, regardless of the indoor temperature when night setback was selected. This enables you to save energy without sacrificing comfort. This function is convenient when gentle cooling is needed.

Setting temperature

Press the NIGHT SETBACK button

2°F(1°C)

30 min. 30 min.

Time

Lamp colors

OPERATION lamp

DRY operation Orange COOL operation Green FAN operation Green

TIMER lamp Green

QUIET lamp Green

ION lamp Green

Timer backup

 Operation stops if there are no operator controls for 25 hours or

longer after unit operation switched from OFF to ON by use of ON timer operation.

Page 39

8-2. Protective Functions

Freeze prevention

During COOL or DRY operation, freezing is detected and operation is stopped when the temperature of the indoor heat exchanger matches the conditions below.

 Freeze-prevention operation is engaged when the

temperature of the indoor heat exchanger is below 43°F(6°C).

 Restart after freeze-prevention operation occurs when the

temperature of the indoor heat exchanger reaches 46°F(8°C) or above.

(8)

(6)

(2)

temperature °F(°C)

Indoor heat exchanger

 Area: Automatic capacity control

 When the temperature drops below Point A, the operation

abcd

frequency is reduced by a certain proportion.

 Area: Frequency increase is prohibited.

 When the temperature reaches Point C or above, freezing

prevention is ended and control is the same as in the

area.

Compressor discharge temperature control

This function controls the operation frequency to prevent the compressor discharge temperature from rising more than a specified temperature.

Compressor discharge temperature °F(°C)

Approx.

214

(101)

Approx.

201 (94)

 Area: Automatic capacity control.

 When the temperature rises above Point A, the operation

abcd

frequency is reduced at a specified rate.

 Area: Further frequency increase is prohibited.

 When the temperature falls below Point B, prevention of a rise

in frequency is released and the air conditioner operates as in

area.

* The compressor will stop if the temperature of the compressor

discharge exceeds 248°F(120°C) due to shortage of gas or other reason.

* When the temperature drops to below 36°F(2°C)

(continuously for 2 minutes or longer), the compressor stops. Once the freeze condition is detected, the air conditioner will work less than the maximum frequency until it is turned off.

NOTE

The Freeze Prevention Control during the Low Ambient Cooling Mode (outside air temperature:59 The compressor stops when the temperature of indoor heat exchanger becomes less than 36°F(2°C). The compressor restarts when the temperature of indoor heat exchanger becomes 46°F(8°C) or higher.

(CLxx models only)

°F(15°C)

or lower) is as follows.

CT (Peak current cut-off control)

This function prevents the circuit breaker or fuse from operating to open the circuit. This function works when electrical current has increased due to an increase in the cooling load, or to a decrease in the power supply voltage. In these cases, operation frequency is reduced or operation is interrupted automatically to control the electrical current for operation.

When the cause of the increase in electrical current is rectified, the system will resume operation in the original mode.

(A)

Cooling Dry

Peak current cut-off trips 22.5

Hz down 14.0

Page 40

9. TROUBLESHOOTING

9-1. Precautions before Performing Inspection or Repair

After checking the self-diagnostics monitor, turn the power OFF before starting inspection or repair.

High-capacity electrolytic capacitors are used inside the outdoor unit controller (inverter). They retain an electrical charge

(charging voltage DC 310V) even after the power is turned OFF, and some time is required for the charge to dissipate. Be

careful not to touch any electrified parts before the controller LED (red) turns OFF.

If the outdoor controller is normal, approximately 30 seconds will be required for the charge to dissipate. However, allow

at least 5 minutes for the charge to dissipate if there is thought to be any trouble with the outdoor controller.

9-2. Method of Self-Diagnostics

Follow the procedure below to perform detailed trouble diagnostics.

NOTE

1: If the operation lamp blinks every 0.5 seconds immediately when the

power is turned ON, there is an external ROM (OTP data) failure on the

indoor circuit board, or a ROM socket insertion problem, or the ROM

has not been installed.

2: The failure mode is stored in memory even when the power is not ON.

Follow the procedure below to perform diagnostics.

PROCEDURE

After turning on power to the air conditioner, use the remote controller and follow the steps below to execute self-diagnostics.

Step 1: Press and hold the remote controller ION button and 1 HR TIMER

button. Then, press and hold the ACL (reset) button with a pointed object such as the tip of a pen. After 5 seconds, release ACL button first, then release ION and 1 HR TIMER buttons, "oP-1" (test run) appears, blinking in the remote controller clock display area.

Step 2: Next, press the 1 HR TIMER button once to change the display

from "oP-1" to "oP-3" (self-diagnostics). (The display continues to blink.)

Step 3: Finally press the ON/OFF button to engage self-diagnostics mode.

ION button

< Clock display >

Test run mode

Self-diagnostics mode

ON/OFF operation button

1HR. TIMER button

•  The self-diagnostics function utilizes the 3 indicator lamps on the main unit, in combinations of ON lamps, blinking lamps, and OFF lamps, to report the existence of sensor trouble or a protective operation. (The lamps blink or remain ON for 5 seconds, then turn OFF for 2 seconds.) Self-diagnostics is completed when the buzzer sounds 3 short beeps.

•  A maximum of 3 self-diagnostics reports are displayed, for 5 seconds each, beginning with the most recent report. Following this display the lamps turn OFF. In order to view the self-diagnostics results again, press the ON/OFF button again.

•  The 3 lamps remain OFF if no trouble has occurred.

<IMPORTANT> After self-diagnostics is completed, be sure to press the

ACL (reset) button to return to normal mode. The air conditioner will not operate if this is not done.

ACL (Reset) button

Page 41

(1) Self-diagnostics Lamps

INDOOR UNIT

(1) OPERATION lamp (2) TIMER lamp (3) QUIET lamp ION lamp

OPERATION button

REMOTE CONTROL receiver

Since the indications cover various units, the corresponding parts listed below may not be present in some models.

Indication on indoor unit

Quiet

(3)(2) (1)

Timer Operation

....

OFF

....

Blinking

....

ON (Illuminated)

Code Diagnostics itemsDiagnostics contents

Room temperature sensor failure

S01

Indoor heat exchanger sensor failure

S02

Humidity sensor failure

S03

Compressor temperature sensor failure

S04

Outdoor heat exchanger sensor failure

S05

Outdoor air temperature sensor failure

S06

Outdoor electrical current detection

S07

failure

Indoor/outdoor communications failure

E01

(serial communications)

• HIC circuit failure

E02

• Power Tr (transistor) circuit failure

E03

E04

E05

E06

E07

E08

E09

Outdoor unit external ROM (OTP data) failure

Peak current cut-off

PAM circuit failure Active circuit failure

Compressor discharge overheat prevention activated.

Indoor fan operating failure

4-way valve switching failure Indoor zero-cross failure

No-refrigerant protection

(1) Sensor open circuit or short circuit (2) Contact failure at connector or open circuit at terminal crimping location  (short-circuit detection only for the humidity sensor) (3) Indoor/outdoor PCboard failure

(1) Sensor open circuit or short circuit (2) Contact failure at connector or open circuit at terminal crimping location (3) Outdoor PCboard failure

Outdoor PCboard failure

(1) Mis-wiring (2) AC power failure (3) Blown fuse (4) Power Relay failure  (5) Indoor or outdoor PCboard failure (6) Outdoor Fan Motor failure (7) Reactor failure (8) High-Pressure Switch failure (9) Overload Relay failure (10) Magnetic Coil failure * See detailed flowchart in this section.

(1) HIC or power Tr failure (2) Outdoor fan does not turn. (3) Instantaneous power outage (4) Service valve not opened. (5) Outdoor fan blocked. (6) Continuous overload operation  (7) Compressor failure (8) Outdoor PCboard failure

(1) External ROM data failure (2) Outdoor PCboard failure

(1) Instantaneous power outage (2) HIC or power transistor failure  (3) Outdoor PCboard failure

(1) Outdoor PCboard failure (2) Outdoor power supply voltage failure

(1) Electric expansion valve failure (2) Capillaries choked (3) Shortage of refrigerant (4) Continuous overload operation (5) Outdoor fan does not rotate (6) Outdoor

(1) Fan motor failure (2) Contact failure at connector (3) Indoor PCboard failure

(1) 4-way valve failure (heat pump model only) (2) Outdoor PCboard failure

(1) Service valve not opened. (2) Shortage of refrigerant

PCboard

failure

DC compressor drive circuit failure

E10

Outdoor fan operating failure

E11

Outdoor system communications failure OLR operation

E12

Outdoor power supply open phase Outdoor coil freezing

Freeze-prevention operation activated.

E13

(1) Open phase (2) Outdoor PCboard failure

(1) Fan motor failure (2) Contact failure at connector (3) Outdoor PCboard failure

(1) Mis-wiring (2) Blown fuse (3) Power Relay failure (4) Outdoor PCboard failure (5) Compressor failure * See detailed flowchart in this section.

(1) Indoor fan system failure (2) Shortage of refrigerant (3) Low-temperature operation

Page 42

(2) If the self-diagnostics function fails to operate

Check the indoor unit.

No indicators illuminate and the indoor fan does not rotate.

Check the power voltage.

Is the fuse blown?

Normal

Replace the circuit

Replace the controller.

board or the fuse.

9-3. Checking the Indoor and Outdoor Units

(1) Checking the indoor unit

ControlNo. Check items (unit operation)

•

Use the remote controller to operate the

unit in "TEST run" mode. To determine whether the mode is currently in "TEST run" mode, check the 4 indicator lamps on the unit. If all 4 are blinking, the current mode is "TEST run."

If there are no problems with the above, then check the outdoor unit. For the "Test run" procedure, refer to the Appendix B "Installation Instructions".

(2) Checking the outdoor unit

The rated voltage must be present between inter-unit wirings 1 and 2.

•

Connect a 5 k ohm resistor between inter-unit wirings 2 and 3. When the voltage at both ends is measured, approximately 12 to 15V DC must be output and the multimeter pointer must bounce once every 8 seconds. Or instead of measuring the voltage, you can insert an LED jig and check that the LED flickers once every 8 seconds.

Blown

ControlNo. Check items (unit operation)

Apply the rated voltage between outdoor

1 The control panel LED (red) must illuminate.

unit terminals L and N.

Short-circuit the outdoor unit COM terminal

2 The compressor and fan motor must all turn on.

to the T-RUN terminal.

If there are no problems with the above, then check the indoor unit.

Using the TEST/T-RUN terminals

•

TEST/T-RUN terminals

T-RUN :Test run (compressor and fan motor turn ON). TEST/MV : Compresses time to 1/60th (accelerates

operation by 60 times faster than normal).

(TEST)/MV T-RUN COM

Page 43

(3) Serial Communication Error Identification Procedure

If the lamps on the main body show the following conditions after the completion of self-diagnostics,

a communication error between the indoor unit and outdoor unit might be considered.

In such a case, identify the breakdown section by using the following procedure.

NOTE

Condition

Refer to "Method of Self-Diagnostics" for the self-diagnostics procedure.

Lamp

E01

Quiet

Timer Operation :Off

(3) (2) (1)

: Blinking

: Illuminated

E12

< Before the Operation >

For terminal strip short circuit work or inter-unit wiring removal, turn off the power to

WARNING

avoid an electric shock. Release the terminal strip short circuit after the completion of self-diagnostics.

Do not perform the short-circuit work between any other terminals except for

CAUTION

specified ones on the specified terminal strip. If such work is performed between the incorrect terminals, the unit might be broken.

< Convenient Tool for Short-Circuit Work ( for example ) >

Alligator Clip

Cable

Alligator Clip

< Check Items before Troubleshooting Serial Communication Start >

After confirming that the following errors do not exist, start the "Troubleshooting Serial Communication" in "Condition: E01 and E12".

1. Mis -wiring (inter-unit cable, etc.)

2. AC power failure

3. Blown fuse

4. Power Relay failure

5. Outdoor Fan Motor failure (defective insulation, etc.)

(3-1) Condition: E01

Troubleshooting Serial Communication

Is the voltage of about DC12V

or more given between the terminals

2 and 3 on the outdoor unit terminal strip

(Serial Communication Line) ?

(Fig. 1)

Yes

6. Reactor failure (defective insulation, etc.)

7. High-Pressure Switch failure

8. Overload Relay failure

9. Magnetic Coil failure (defective insulation, short-circuit, etc.)

10. Compressor failure (defective insulation, etc.)

Outdoor Unit

1 2 43 5 6

Power

1 2 3

Indoor Unit

Fig. 1

1. Turn OFF the power and wait until the power lamp (LED)

 of the outdoor unit controller is turned OFF.

2. Disconnect the cable from the terminal 3 on the indoor unit  terminal strip. (Fig. 2)

3. Turn ON the power.

1 2 43 5 6

1 2 3

Indoor Unit

Outdoor Unit

Power

Fig. 2

( Continued to the next page A. )

( Continued to the next page B. )

Page 44

( Continued from the previous page A. )

( Continued from the previous page B. )

Defect or connection error

in the inter-unit cable

1. Turn OFF the power and wait until the power lamp (LED)  of the outdoor unit controller is turned OFF.

2. Short-circuit between the terminals 2 and 3 on the outdoor  unit terminal strip. (Fig. 3)

1. Turn ON the power and operate the system using the  remote controller or the operation button on the indoor unit.

2. Perform the self-diagnosis five seconds after the operation  start.

What is the latest self-diagnosis result ?

Yes

Condition: E12

Is the voltage of about DC22V to 24V given between the terminals

2 and 3 on the indoor unit terminal strip

(Serial Communication Line) ?

(Fig. 2)

Defect in the indoor unit

P.C. board

Outdoor Unit

1 2 43 5 6

Power

1 2 3

Indoor Unit

Fig. 3

Defect in the outdoor unit

P. C. board.

Condition: E01

1. Turn off the power and wait until the power lamp (LED)  of the outdoor unit controller is turned OFF.

2. Remove the short-circuit between the terminals 2 and 3 on  the outdoor unit terminal strip.

3. Disconnect the cable from the terminal 3 on the indoor unit  terminal strip. (Fig. 4)

Short-circuit between the terminals 2 and 3 on the indoor unit terminal board. (Fig. 5)

1. Turn ON the power and operate the system using the  remote controller or the operation button on the indoor unit.

2. Perform the self-diagnosis five seconds after the operation  start.

What is the latest self-diagnosis result ?

Condition: E01

1 2 43 5 6

1 2 3

Indoor Unit

Condition: E12

Outdoor Unit

Power

Fig. 4

Defect or connection error

in the inter-unit cable

Outdoor Unit

1 2 43 5 6

Power

1 2 3

Indoor Unit

Fig. 5

Defect in the indoor unit

P.C. board

Page 45

(3-2) Condition: E12

Troubleshooting Serial Communication

1. Turn off the power and wait until the power lamp (LED)  of the outdoor unit controller is turned OFF.

2. Disconnect the cable from the terminal 3 on the Outdoor  unit terminal strip. (Fig. 6)

1. Turn ON the power and operate the system using the  remote controller or the operation button on the indoor unit.

2. Perform the self-diagnosis five seconds after the operation  start.

What is the latest self-diagnosis result ?

Condition: E12

1. Turn off the power and wait until the power lamp (LED)  of the outdoor unit controller is turned OFF.

2. Disconnect the cable from the terminal 3 on the indoor  unit terminal strip. (Fig. 7)

1. Turn ON the power and operate the system using the  remote controller or the operation button on the indoor unit.

2. Perform the self-diagnosis five seconds after the operation  start.

Outdoor Unit

1 2 43 5 6

Power

1 2 3

Indoor Unit

Fig. 6

Condition: E01

Defect in the outdoor unit

P.C. board

Outdoor Unit

1 2 43 5 6

Power

1 2 3

Indoor Unit

Fig. 7

What is the latest self-diagnosis result ?

Condition: E12

Defect in the indoor unit

P.C. board

Condition: E01

Defect in the inter-unit

cable

Page 46

9-4. Trouble Diagnosis of Fan Motor

9-4-1. Outdoor Fan Motor

This outdoor DC fan motor contains an internal control PCB. Therefore, it is not possible to measure the coil resistance, and the following procedure should be used to check the motor.

Perform the trouble diagnosis by Test Run mode described on Installation Instructions.

Important:

[Trouble symptom 1] The fan does not stop when the outdoor unit stops. Outdoor unit controller trouble

[Trouble symptom 2] The fan motor does not rotate when the outdoor unit is operating.

(Diagnostic procedure)

(Diagnostic results)

(Reference) DC motor connector pin arrangement

 Pin 1: Vs (white)  Pin 2: Not used  Pin 3: Not used  Pin 4: Gnd (black)  Pin 5: Vcc (red)  Pin 6: FG (blue)  Pin 7: Vsp (yellow)

(A) Turn OFF the power before connecting or disconnecting the motor connectors. (B) When performing voltage measurement at the outdoor controller connector for (3) in the table

below, the DC motor will trip and voltage output will stop approximately 10 seconds after operation is started. For this reason, to measure the voltage again, first turn OFF the outdoor unit power, then, measure the voltage in Test Run mode.

* Disconnect the motor connectors and measure the voltage at the DC motor connectors on the outdoor

unit controller (3 locations).

Measurement location

(1) Vs-Gnd: Between pin 1 and pin 4 (2) Vcc-Gnd: Between pin 5 and pin 4 (3) Vsp-Gnd: Between pin 7 and pin 4

All of the above measured values are normal. Fan motor trouble (Replace the motor.) Any one of the above measured values is not normal. Outdoor unit controller trouble

DC 110V or more DC 14V or more After fluctuating 4 times between DC 1.0 to 4.3V (1 sec. ON) and DC 0 V (1 sec. OFF), the DC motor trips.

(Replace the controller .)

Normal value

[Trouble symptom 3] Motor rotates for some time (several seconds), but then quickly stops, when the outdoor

unit operates. (There is trouble in the system that provides feedback of motor rotation speed from the motor to the outdoor unit controller.)

[Trouble symptom 4] Fan motor rotation speed does not change during outdoor unit operation.

[Trouble symptom 5] Fan motor rotation speed varies excessively during outdoor unit operation.

(Remedy for symptom 3 to 5)

It is not possible to identify whether the trouble is outdoor unit controller trouble or motor trouble. Therefore, first replace the outdoor unit controller, then (if necessary) replace the DC motor.

Page 47

9-5. Noise Malfunction and Electromagnetic Interference

An inverter A/C operates using pulse signal control and high frequencies. Therefore, it is susceptible to the effects of external noise, and is likely to cause electromagnetic interference with nearby wireless devices.

A noise filter is installed for ordinary use, preventing these problems. However, depending on the installation conditions, these effects may still occur. Please pay attention to the points listed below.

(1) Noise malfunction

This refers to the application of high-frequency noise to the signal wires, resulting in abnormal signal pulses and malfunction.

Locations most susceptible to noise

1. Locations near broadcast stations where there are strong electromagnetic waves

2. Locations near amateur radio (short wave) stations

3. Locations near electronic sewing machines and arc-welding machines

Trouble

Either of the following trouble may occur.

1. The unit may stop suddenly during operation.

2. Indicator lamps may flicker.

(The fundamental concept is to make the

system less susceptible to noise.)

distance from the noise source. -

1. Use shielded wires.

2. Move unit away from the noise source.

Correction

- Insulate for noise or

(2) Electromagnetic interference

This refers to noise generated by high-speed switching of the microcomputer and compressor. This noise radiates through space and returns to the electric wiring, affecting any wireless devices (televisions, radios, etc.) located nearby.

Locations most susceptible to noise

1. A television or radio is located near the A/C and A/C wiring.

2. The antenna cable for a television or radio is located close to the A/C and A/C wiring.

3. Locations where television and radio signals are weak.

Trouble

1. Noise appears in the television picture, or the picture is distorted.

2. Static occurs in the radio sound.

1. Select a separate power source.

2. Keep the A/C and A/C wiring at least 1 meter away from wireless devices and antenna cables.

3. Change the wireless device’s antenna to a highsensitivity antenna.

4. Change the antenna cable to a BS coaxial cable.

5. Use a noise filter (for the wireless device).

6. Use a signal booster.

Correction

Page 48

10. CHECKING ELECTRICAL COMPONENTS

10-1. Measurement of Insulation

Resistance

The insulation is in good condition if the resistance exceeds 1M ohm.

10-1-1. Power Supply Cord

Clamp the grounding wire of power cord with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the two power wires. (Fig. 1) Then also measure the resistance between the grounding and other power terminals. (Fig. 1)

10-1-2. Indoor Unit

Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw on the terminal plate. (Fig. 2) Note that the ground line terminal should be skipped for the check.

Probe

Copper tube or metallic part

Clip

Fig. 1

Terminal plate

Clip

Ground wire

Insulation tester

Probe

Insulation tester

10-1-3. Outdoor Unit

Clamp a metallic part of the unit with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw where power supply lines are connected on the terminal plate. (Fig. 2)

10-1-4. Measurement of Insulation

Resistance for Electrical Parts

Disconnect the lead wires of the desired electric part from terminal plate, capacitor, etc. Similarly disconnect the connector. Then measure the insulation resistance. (Figs. 3 and 4)

NOTE

Refer to Electric Wiring Diagram. If the probe cannot enter the poles because the hole is too narrow then use a probe with a thinner pin.

Copper tube or metallic part

Metallic part

Fig. 2

Probe

Clip

Insulation tester

Fig. 3

From fan motor, compressor and other parts

Probe

Clip

Fig. 4

Insulation tester

Page 49

10-2. Checking Continuity of Fuse

on PCB Ass'y

Remove the PCB Ass'y from the electrical component box. Then pull out the fuse from the PCB Ass'y. (Fig. 5)

Check for continuity using a multimeter as shown in Fig. 6.

Fuse

PCB Ass'y

Fig. 5

Fuse

Fig. 6

Page 50

11. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT

11-1. Characteristics of New Refrigerant R410A

11-1-1. What is New Refrigerant R410A?

R410A is a new refrigerant that contains two types of pseudo-non-azeotropic refrigerant mixture. Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant, R22.

11-1-2. Components (mixing proportions)

HFC32 (50%) / HFC125 (50%)

11-1-3. Characteristics

Less toxic, more chemically stable refrigerant

The composition of refrigerant R410A changes whether it is in a gaseous phase or liquid phase. Thus, when there is a refrigerant leak the basic performance of the air conditioner may be degraded because of a change in composition of the remaining refrigerant. Therefore, do not add new refrigerant. Instead, recover the remaining refrigerant with the refrigerant recovery unit. Then, after evacuation, totally recharge the specified amount of refrigerant with the new refrigerant at its normal mixed composition state (in liquid phase).

When refrigerant R410A is used, the composition will differ depending on whether it is in gaseous or liquid phase, and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state. Thus, always charge the refrigerant while it is in liquid phase.

CAUTION

Ether-type oil is used for compressor oil for R410A-type units, which is different from the mineral oil used for R22. Thus more attention to moisture prevention and faster replacement work compared with conventional models are required.

Page 51

11-2. Checklist before Servicing

Use a clutch-type flare tool for R410A or the conventional flare tool. Note that sizes of the resultant flares differ between these two tools. Where a conventional flare tool is used, make sure to observe A Specification (amount of extrusion) by using the flare spacer.

Diameter of tube D

Dia.1/4" (6.35 mm)

Dia.3/8" (9.52 mm)

Dia.1/2" (12.7 mm)

Dia.5/8" (15.88 mm)

Size of flare

Tubing precautions

Specification A

Flare tool for R410A Conventional flare tool (for R22)

0 to 0.0196"

(0 to 0.5 mm)

Flare tool for R410A

Conventional flare tool (R22)

0.0472"

(1.2 mm)

Spacer

Refrigerant R410A is more easily affected by dust or moisture compared with R22, thus be sure to temporarily cover the ends of the tubing with caps or tape prior to installation.

Never use 0.0276" (0.7 mm)-thick copper tubing or tubing which is less than 0.0315" (0.8 mm) in thickness, since air conditioners with R410A are subject to higher pressure than those using R22 and R407C.

No addition of compressor oil for R410A

No additional charge of compressor oil is permitted.

No use of refrigerant other than R410A

Never use a refrigerant other than R410A.

If refrigerant R410A is exposed to fire

Through welding, etc., toxic gas may be released when R410A refrigerant is exposed to fire. Therefore, be sure to provide ample ventilation during installation work.

Caution in case of R410A leak

Check for possible leak points with the special leak detector for R410A. If a leak occurs inside the room, immediately provide thorough ventilation.

Page 52

11-3. Tools Specifically for R410A

For servicing, use the following tools for R410A

Tool Distinction Tool Name

Gauge manifold

Charging hose

Gas leak detector

Refrigerant cylinder

Charging cylinder

Refrigerant recovery unit

Tools specifically for R410A

Vacuum pump with anti-reverse flow (*1)

(Solenoid valve-installed type, which prevents oil from flowing back into the

unit when the power is off, is recommended.)

Vacuum pump (*2)...can be used if the following adapter is attached.

Vacuum pump adapter (reverse-flow prevention adapter) (*3).

(Solenoid valve-installed adapter attached to a conventional vacuum pump.)

Electronic scale for charging refrigerant

Flare tool

Bender

Tools which can be com-

monly used for R22,

R407C, and R410A

CAUTION

To prevent other refrigerants (R22, R407C) from being mistakenly charged to this unit, shape and external diameter of the service port screw has been altered. <External diameter of service port>  R410A : 5/16"  R22, R407C : 1/4"

The above tools specifically for R410A must not be used for R22 and R407C. Doing so will cause malfunction of the unit.

For the above vacuum pump (*1, *2) and vacuum pump adapter (*3), those for R22-type units can be used for R410A-type. However, they must be used exclusively for R410A and never alternately with R22 and R407C.

Torque wrench

Cutter, reamer

Welding tool, nitrogen gas cylinder

11-4. Tubing Installation Procedures

When the tubes are connected, always apply HAB oil on the flare portions to improve the sealing of tubing.

The following is the HAB oil generally used:

Esso: ZERICE S32

NOTE

For details on tubing installation procedures, refer to the installation manuals attached to the indoor unit and outdoor unit.

Page 53

11-5. In Case of Compressor Malfunction

CAUTION

Should the compressor malfunction, be sure to make the switch to a replacement compressor as quickly as possible.

Use only the tools indicated exclusively for R410A. See "11-3. Tools Specifically for R410A."

11-5-1. Procedure for Replacing Compressor

(1) Recovering refrigerant

Any remaining refrigerant inside the unit should not be released to the atmosphere, but recovered using the refrigerant recovery unit for R410A.

Do not reuse the recovered refrigerant, since it will contain impurities.

(2) Replacing Compressor

Soon after removing seals of both discharge and suction tubes of the new compressor, replace it quickly.

(3) Checking for sealing

(1) Recover refrigerant

(2) Replace compressor

Use nitrogen gas for the pressurized gas, and never use a refrigerant other than R410A. Also do not use oxygen or any flammable gas.

(4) Evacuation

Use a solenoid valve-installed vacuum pump so that

even if power is cut off in the middle of evacuation of air due to a power interruption, the valve will prevent the pump oil from flowing back.

The equipment may be damaged if moisture remains in the tubing, thus carry out the evacuation thoroughly.

When using a vacuum pump with exhaust air volume more than 0.883 cu.ft./min. and ultimate vacuum pressure rate of 50 micron Hg.

Standard time for evacuation

Length of tubing

Evacuation time

Less than 33 ft. (10 m)

More than 10 minutes

(3) Check for sealing

(4) Evacuation

(5) Recharge

More than 33 ft. (10 m)

More than 15 minutes

Page 54

(5) Recharging

Configuration and characteristics of cylinders

Be sure to charge the specified amount of refrigerant in liquid state using the service port

of the wide tube service valve. The proper amount is listed on the unit's nameplate.

When the entire amount cannot be charged all at once, charge gradually while operating the unit in Cooling Operation.

CAUTION

Never charge a large amount of liquid refrigerant at once to the unit. This may cause damage to the compressor.

When charging with a refrigerant cylinder, use an electronic scale for charging refrigerant. In this case, if the volume of refrigerant in the cylinder becomes less than 20% of the fully-charged amount, the composition of the refrigerant starts to change. Thus, do not use the refrigerant if

the amount in the charging cylinder is less than 20%.

Also, charge the minimum necessary amount to the charging cylinder before using it to charge the air conditioning unit.

Valve

Liquid

Single valve

Charge liquid refrigerant with cylinder in up-side-down position.

Fig. 1

Valve

Example:

In case of charging refrigerant to a unit requiring

1.68 lb. (0.76 Kg) using a capacity of a 22 lb. (10 Kg) cylinder, the minimum necessary amount for the cylinder is:

1.68 + 22 0.20 = 6.08 lb. (0.76 + 10 0.20 = 2.76 Kg)

For the remaining refrigerant, refer to the instructions of the refrigerant manufacturer.

If using a charging cylinder, transfer the specified amount of liquid refrigerant from the refrigerant cylinder to the charging cylinder.

Prepare an evacuated charging cylinder beforehand.

CAUTION

To prevent the composition of R410A from changing, never bleed the refrigerant gas into the atmosphere while transferring the refrigerant. (Fig. 3)

Charging

cylinder

Open

Liquid

Single valve (with siphon tube)

Charge with cylinder in normal position.

Fig. 2

NO!

Liquid

Refrigerant

cylinder

Do not use the refrigerant if the amount in the charging cylinder is less than 20%.

Fig. 3

Page 55

11-6. In Case Refrigerant is Leaking

CAUTION

Never attempt to charge additional refrigerant when refrigerant has been leaking from the unit. Follow the procedure described below to locate points of leaks and carry out repairs, then recharge the refrigerant.

(1) Detecting Leaks

Use the detector for R410A to locate refrigerant leak points.

(2) Recovering refrigerant

Never release the gas to the atmosphere; recover residual refrigerant using the refrigerant recovery unit for R410A, instead.

Do not reuse the recovered refrigerant because its composition will have been altered.

(3) Welding leaking points

Confirm again that no residual refrigerant exists in the unit before starting welding.

Weld securely using flux and wax for R410A.

Prevent oxide film from forming inside the tubes utilizing substitution with nitrogen (N2) in the refrigerant circuit of the unit. Leave ends of tubes open during welding.

(1) Detect leaks

(2) Recover refrigerant

(3) Weld leaking points

(4) Checking for sealing

Use nitrogen gas for the pressurized gas, and never use a refrigerant other than R410A. Also do not use oxygen or any flammable gas.

(5) Evacuation

Use a solenoid valve-installed vacuum pump so that

even if power is cut off in the middle of evacuation of air due to a power interruption, the valve will prevent the pump oil from flowing back.

The equipment may be damaged if moisture remains in the tubing, thus carry out the evacuation thoroughly.

When using a vacuum pump with exhaust air volume more than 0.883 cu.ft./min. and ultimate vacuum pressure rate of 50 micron Hg.

Standard time for evacuation

Length of tubing

Evacuation time

(6) Recharging

Less than 33 ft. (10 m)

More than 10 minutes

(4) Check for sealing

(5) Evacuation

(6) Recharge

More than 33 ft. (10 m)

More than 15 minutes

Recharge unit in the same manner explained on the previous page "(5) Recharging."

Page 56

11-7. Charging Additional Refrigerant

11-7-1. When Tubes are Extended

Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit. Charge additional refrigerant in liquid state only.

CAUTION

Never charge additional refrigerant if refrigerant is leaking from the unit. Follow instructions given in "11-6. In Case Refrigerant is Leaking" and completely carry out repairs. Only then should you recharge the refrigerant.

11-8. Retro-Fitting Existing Systems

11-8-1. Use of Existing Units

Never use new refrigerant R410A for existing units which use R22. This will cause the air conditioner to

operate improperly and may result in a hazardous condition.

11-8-2. Use of Existing Tubing

If replacing an older unit that used refrigerant R22 with a R410A unit, do not use its existing tubing. Instead, completely new tubing must be used.

Page 57

APPENDIX A

KS0971 + C0971  + CL0971

KS1271 + C1271  + CL1271

INSTRUCTION MANUAL

(OI-852-6-4180-803-00-2)

A-1

Page 58

Features

This air conditioner is an inverter type unit that automatically adjusts capacity as appropriate. Details on these functions are provided below; refer to these descriptions when using the air conditioner.

• Microprocessor Controlled Operation

The interior compartment of the remote control unit contains several features to facilitate automatic operation, easy logically displayed for easy use.

• Simple One-touch Wireless Remote Control

The remote control unit has several features to facilitate automatic operation.

• 24-Hour ON or OFF Timer

This timer can be set to automatically turn the unit on or off at any time within a 24 hour period.

• 1-Hour OFF Timer

This timer can be set to automatically turn off the unit at any time after one hour.

• Night Setback

Pressing this button changes the setting of the room temperature thermostat, allowing you to set the temperature at whatever level that you find comfortable.

• Automatic and 3-step Fan Speed

Auto/High/Medium/Low

• Air Sweep Control

This function moves a flap up and down in the air outlet, directing air in a sweeping motion around the room and providing comfort in every corner.

• Automatic Restart Function for Power Failure

Even when power failure occurs, preset programmed operation can be reactivated once power resumes.

• High Power Operation

The unit operates at maximum output for 30 minutes, regardless of the desired temperature. The fan speed is 1 step above “High”.

• Quiet Operation

The fan rotates slower than the fan speed setting to provide a quieter operating sound.

• ION Operation

While it is operating, the unit generates negative ions that freshen up the air in the room.

• Anti-Mold Filter

This unit is equipped with an anti-mold filter that inhibits the growth of mold and bacteria.

• Air Clean Filter

An air filter that eliminates unpleasant odors and cleans the air is available. Purchase a replacement filter at your local dealer. (model STK-FDXB)

• Auto. Flap Control

This automatically sets the flap to the optimum position during cooling and drying operation.

OI-803-2-EG

Page 59

Contents

Features............................................................................................................ 2

Product Information........................................................................................... 3

Alert Symbols.................................................................................................... 3

Installation Location .......................................................................................... 4

Electrical Requirements .................................................................................... 4

Safety Instructions............................................................................................. 4

Names of Parts ................................................................................................. 5

Using the Remote Control Unit ....................................................................... 10

Operation with the Remote Control Unit ........................................................ 12

1. Operation ............................................................................................... 12

2. Adjusting the Fan Speed........................................................................ 13

3. Fan Only................................................................................................. 13

4. Night Setback Mode............................................................................... 14

5. QUIET Mode .......................................................................................... 15

6. HIGH POWER Mode ............................................................................. 15

7. ION Mode............................................................................................... 15

Special Remarks............................................................................................. 16

Setting the Timer............................................................................................. 17

Using the 1-Hour OFF Timer .......................................................................... 19

Tips for Energy Saving.................................................................................... 19

Adjusting the Airflow Direction ........................................................................ 20

Operation without the Remote Control Unit .................................................... 21

Care and Cleaning .......................................................................................... 21

Troubleshooting............................................................................................... 24

Operating Range............................................................................................. 24

Page

Product Information

If you have problems or questions concerning your Air Conditioner, you will need the following information. Model and serial numbers are on the nameplate on the bottom of the cabinet.

Model No. ______________________ Serial No. ____________________ Date of purchase ________________________________________________ Dealer’s address ________________________________________________

Phone number ________________

Alert Symbols

The following symbols used in this manual, alert you to potentially dangerous conditions to users, service personnel or the appliance:

This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death.

CAUTION

This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage.

OI-803-3-EG

Page 60

Installation Location

• We recommend that this air conditioner be installed properly by qualified

installation technicians in accordance with the Installation Instructions provided with the unit.

• Before installation, check that the voltage of the electric supply in your home or

office is the same as the voltage shown on the nameplate.

• Do not install this air conditioner where there are fumes or flammable gases, or in an extremely humid space such as a greenhouse.

• Do not install the air conditioner where excessively high heat-generating objects are placed.

Avoid: To protect the air conditioner from heavy corrosion, avoid installing the outdoor

unit where salty sea water can splash directly onto it or in sulphurous air near a spa.

Electrical Requirements

1. All wiring must conform to the local electrical codes. Consult your dealer or a qualified electrician for details.

2. Each unit must be properly grounded with a ground (or earth) wire or through the supply wiring.

3. Wiring must be done by a qualified electrician.

CAUTION

Safety Instructions

• Read this Instruction Manual carefully before using this air conditioner. If you still have any difficulties or problems, consult your dealer for help.

• This air conditioner is designed to give you comfortable room conditions. Use this only for its intended purpose as described in this Instruction Manual.

• Never use or store gasoline or other flammable vapor or liquid near the air conditioner — it is very dangerous.

• This air conditioner has no ventilator for intaking fresh air from outdoors. You must open doors or windows frequently when you use gas or oil heating appliances in the same room, which consume a lot of oxygen from the air. Otherwise there is a risk of suffocation in an extreme case.

• Do not turn the air conditioner on and off from the power mains switch. Use the ON/OFF operation button.

• Do not stick anything into the air outlet of the outdoor unit. This is dangerous because the fan is rotating at high speed.

• Do not let children play with the air conditioner.

• Do not cool the room too much if babies or invalids are present.

OI-803-4-EG

Page 61

Names of Parts

Air intakes

Air outlet

Remote control unit

Refrigerant tubes

OUTDOOR UNIT

INDOOR UNIT

Drain hose

Air outlet

NOTE

Air Intake Air from the room is drawn into this section and passes through air filters which

Air Outlet Conditioned air is blown out of the air conditioner through the air outlet.

Remote Control Unit The wireless remote control unit controls power ON/OFF, operation mode

Refrigerant Tubes The indoor and outdoor units are connected by copper tubes through which

Drain Hose Moisture in the room condenses and drains off through this hose.

This illustration is based on the external view of a standard model. Consequently, the shape may differ from that of the air conditioner which you have selected.

This air conditioner consists of an indoor unit and an outdoor unit. You can control the air conditioner with the remote control unit.

remove dust.

selection, temperature, fan speed, timer setting, and air sweeping.

refrigerant gas flows.

Outdoor (Condensing) Unit The outdoor unit contains the compressor, fan motor, heat exchanger coil, and

other electrical components.

OI-803-5-EG

Page 62

IMPORTANT

Avoid using radio equipment such as mobile phone near (within 4 ft.) the remote control receiver. Some radio equipment may cause malfunction of the unit.

If the trouble happens, disconnect power and restart the air conditioner after a few minutes.

Unit Display and Operation Button

INDOOR UNIT

QUIET

REMOTE CONTROL receiver

OPERATION lamp TIMER lamp QUIET lamp ION lamp

OPERATION button

REMOTE CONTROL receiver This section picks up infrared signals from the remote control unit (transmitter).

OPERATION button When the remote control cannot be used, pressing this button enables cooling

operation.

Each time this button is pressed, the operation mode changes cyclically.

Cooling operation Stop

OPERATION lamp This lamp lights when the system is in the continuous DRY (orange), COOL

(green) and FAN (green) mode.

TIMER lamp This lamp lights when the system is being controlled by the timer.

QUIET lamp This lamp lights during operation in the QUIET mode.

ION lamp This lamp lights during operation in the ION mode while the indoor unit is

operating.

NOTE

The unit’s display lamps are dimmed during operation in the NIGHT SETBACK mode.

OI-803-6-EG

Page 63

Displayed when the

time display is set to

12-hour time.

Remote Control Unit (Display)

Displayed when transmitting data

Displayed when indoor unit sensor is in use

Displayed when setting temperature

Displayed when temperature is shown

Displayed when setting timer

Symbols

(1) Operation mode

MILD DRY..............................

COOL.....................................

FAN ........................................

(2) Fan speed

Automatic operation ...............

HIGH .....................................

MEDIUM.................................

LOW.......................................

(3) Temperature setting

60–86°F When set to 80 °F

temperature indication............

(4) Timer

24-hour clock with ON/OFF

program Timer........................

ON Timer................................

OFF Timer..............................

1-hour OFF Timer...................

(5) NIGHT SETBACK ..................

(6) Confirmation of

transmission...........................

(7) Auto. fla.dication.....................

Flap angle indication ..............

Sweep indication ....................

OI-803-7-EG

(8) High power operation .............

(9) Quiet operation.......................

(10) ION operation.......................

Page 64

Remote Control Unit

Transmitte r

ION button

QUIET button

FAN SPEED selector button

FLAP button

ON TIME

setting

buttons

Advance button

Return button

CANCEL button

SENSOR button

Display

Sensor

(Cover closed)

ON/OFF operation button

1 HR. TIMER button

Temperature setting buttons (TEMP.)

MODE selector button

NIGHT SETBACK button

HIGH POWER button

Advance button Return button

CLOCK button

Time display selector button

OFF TIME setting buttons

ADDRESS switch

Temperature display

selector button

NOTE

Transmitte r When you press the buttons on the remote control unit, the mark appears in

Sensor A temperature sensor inside the remote control unit senses the room

Display Information on the operating conditions is displayed while the remote control unit

ION button : This button is for turning the negative ions generated during operation on

ON/OFF operation button This button is for turning the air conditioner on and off.

1 HR. TIMER button

(1-HOUR OFF TIMER)

The illustration above pictures the remote control unit after the cover has been opened.

the display to transmit the setting changes to the receiver in the air conditioner.

temperature.

is switched on. If the unit is turned off, FLAP setting and FAN SPEED setting are not displayed.

and off.

: When you press this button, regardless of whether the unit is operating or

stopping, the unit operates for one hour and then shuts down.

ACL button

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Page 65

Remote Control Unit (continued)

Temperature setting buttons

(TEMP.)

Press the button to increase the set temperature. Press the button to reduce the set temperature. The temperature setting changes by 1 °C or 2 °F each time one of the TEMP. buttons is pressed.

QUIET button : When you press this button, the fan rotates slower than the fan speed

setting to provide a quieter operating sound.

MODE selector button Use this button to select DRY, COOL or FAN mode.

(DRY) : The air conditioner reduces the humidity in the room.

(COOL) : The air conditioner makes the room cooler.

(FAN) : The air conditioner works only as a circulation fan.

FAN SPEED selector button : The air conditioner automatically decides the fan speeds.

: High fan speed : Medium fan speed : Low fan speed

NIGHT SETBACK button For details, see “4. Night Setback Mode”. When you press this button in the DRY

or COOL mode, the mark appears in the display, and the remote control unit will automatically adjust the set temperature to save energy.

FLAP button Press this button either to select the setting of the airflow direction to the auto.

flap in each mode or one of the six possible positions manually or to select the sweep function which moves the flap up and down automatically.

: Auto flap setting: If selected in a cooling or dry operation, the flap is set at

position (7) in the following chart. : The airflow direction can be set manually. (six positions) : The flap moves up and down automatically.

NOTE

HIGH POWER button : If this button is pressed during DRY, COOL or FAN operation, the unit

ON TIME/OFF TIME setting

buttons

NOTE

The indoor fan runs continuously when the system is in normal operation. It does not turn off when the desired room temperature is reached. If Night Set Back mode is selected, the fan will turn off intermittently during cooling operation in order to control air flow.

When you press the FLAP button, the air flow direction will be changed one by one as follows.

SWEEP

operates at maximum output for 30 minutes, regardless of the desired

temperature.

The fan speed is 1 step above “High”.

No display: The timer does not operate.

: The air conditioner starts at the set time. : The air conditioner stops at the set time.

: The air conditioner stops and starts, or starts and stops, at the

set times every day. For details, see “Setting the Timer”.

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Page 66

Remote Control Unit (continued)

SENSOR button When you press this button (use a small-tipped object such as a ballpoint pen),

the mark will appear at the display. And the room temperature is detected by the sensor which is built into the indoor unit and the air conditioner is controlled accordingly.

NOTE

Temperature Display Selector button

Time Display Selector button This switches the time display between 24-hour time and 12-hour time.

ACL button (ALL CLEAR) Puts the remote control unit into pre-operation status. Always press this button

ADDRESS switch • The address switch changes to prevent mixing of signals from remote control

NOTE

The remote control unit sends the temperature signal to the air conditioner regularly at five minute intervals. If the signal from the remote control unit stops for more than 15 minutes due to the loss of the remote control unit or other trouble, the air conditioner will switch to the temperature sensor which is built into the indoor unit and control the room temperature. In these cases, the temperature around the remote control unit may differ from the temperature detected at the air conditioner’s position.

If the remote control is located near a heat source, such as a space heater or in direct sunlight, press the SENSOR button to switch to the sensor on the indoor unit.

This switches the temperature display between °C and °F.

after replacing the batteries.

units when two air conditioners are installed next to each other. Normally, the address switch is set to A. For more information, please contact the dealer where you made the purchase.

• Normally, the tabs on the remote control unit should not be bent.

Using the Remote Control Unit

How to Install Batteries

NOTE

1. Slide the cover in the direction

indicated by the arrow and remove it.

2. Install two AAA alkaline batteries. Make sure the batteries point in the direction marked in the battery compartment.

3. Use a thin object such as the tip of a pen to press the ACL button.

ACL button

• The batteries last about six months, depending on how much you use the remote control unit. Replace the batteries when the remote control unit’s display fails to light, or when the remote control cannot be used to change the air conditioner’s settings.

• Use two fresh leak-proof type-AAA alkaline batteries.

• In replacing batteries, follow the instructions as mentioned in the subsection “How to Install Batteries”.

• If you do not use the remote control unit more than 1 month, take out the batteries.

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Page 67

Using the Remote Control Unit (continued)

How to Use the Remote

Control Unit

Remote Control Unit

Installation Position

DO NOT • In direct sunlight

When using the remote control unit, always point the unit’s transmitter head directly at the air conditioner’s receiver.

Air conditioner (Indoor unit)

Receiver

Remote control

(Transmitter head)

unit

The remote control unit may be operated either from a non-fixed position or from a wall-mounted position. To ensure that the air conditioner operates correctly, DO NOT install the remote control unit in the following places:

• Behind a curtain or other places where it is covered

• More than 26 feet (8 m) away from the air conditioner

• In the path of the air conditioner’s airstream

• Where it may become extremely hot or cold

• Where it may be subject to electrical or magnetic noise

• Where there is an obstacle between the remote control unit and air conditioner (since a check signal is sent from the remote control unit every 5 minutes)

Mounting the Remote Control

Unit

Remote control

unit mount

Mounting screws

5/32 x 5/8" (4 x 16 mm)

(included)

When Holding the Remote

Control Unit

Before mounting the remote control unit, press the ON/OFF operation button at the mounting location to make sure that the air conditioner operates from that location. The indoor unit should make a beeping sound to indicate that it has received the signal.

Rear side

Press

Set in place

Hole

• To prevent loss of the remote control unit, you can connect the remote control unit to the mount by passing a string through the remote control unit and attachment hole.

To take out the remote control unit, pull it forward.

• When using the remote control unit and during air conditioner operation, the transmitter on the remote control unit should be pointed toward the receiver on the indoor unit.

• Make sure that there are no objects between the remote control unit and receiver which could block the signal.

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Page 68

1. Operation

Operation with the Remote Control Unit

STEP 2

STEP 3

NOTE

STEP 1

STEP 4

STEP 5

Check that the circuit breaker on the power panel is turned on.

Press the setting buttons as described below and change the settings as desired.

STEP 1 Press the MODE selector button and select the desired mode.

For dehumidifying operation → For cooling operation → For fan only operation →

STEP 2 To start the air conditioner, press the ON/OFF operation button.

STEP 3 Press the TEMP. setting buttons to change the temperature

setting to the desired temperature. Adjustable temperature range:

30 °C max.

16 °C min.

STEP 4 Set the FAN SPEED selector button to the setting you want.

or 86 °F max.

60 °F min.

STEP 5 Press the FLAP button and set the airflow direction as desired.

(Refer to “Adjusting the Airflow Direction” on page 20.)

To stop the air conditioner, press the ON/OFF operation button again.

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Page 69

Operation with the Remote Control Unit (continued)

NOTE

• Choose the best position in the room for the remote control unit, which also acts as the sensor for room comfort and transmits the operating instructions. Once you’ve found this best position, always keep the remote control unit there.

• This appliance has a built-in 5-minute time delay circuit to ensure reliable operation. When the operation button is pressed, the compressor will start running within three minutes. In the event of power failure, the unit will stop.

2. Adjusting the Fan Speed

A. Automatic fan speed Simply set the FAN SPEED selector button to the position.

This automatically sets the best fan speed for the room temperature.

B. Manual fan speed If you want to adjust fan speed manually during operation, just set the FAN

SPEED selector button as desired. [ , , or ]

3. Fan Only

STEP 2

STEP 1

STEP 3

If you want to circulate air without any temperature control, follow these steps:

STEP 1 Press the MODE selector button to switch to the fan mode .

STEP 2 Press the ON/OFF operation button.

STEP 3 Press the FAN SPEED selector button to select the fan speed of

your choice ( , or ).

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Page 70

4. Night Setback Mode

Operation with the Remote Control Unit (continued)

Night Setback Mode is used for saving energy.

Press the NIGHT SETBACK button while operation. The mark appears in the display.

To release the night setback function, press the NIGHT SETBACK button again.

In Cooling and DRY Mode: ( and )

When the night setback mode is selected, the air conditioner automatically raises the temperature setting 2 °F when 30 minutes have passed after the selection was made, and then another 2 °F after another 30 minutes have passed, regardless of the indoor temperature when night setback was selected. This enables you to save energy without sacrificing comfort. This function is convenient when gentle cooling is needed.

Setting

2°F

temperature

Press the NIGHT

2°F

30 min.

Time

SETBACK button

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Page 71

5. QUIET Mode

6. HIGH POWER Mode

Operation with the Remote Control Unit (continued)

QUIET Mode is used to reduce the fan sound of the indoor unit.

Press the QUIET button. The mark appears in the display.

To cancel, press QUIET button again.

• In QUIET Mode, the fan rotates at a slower speed than the fan speed setting.

• If the unit is already operating with a very low airflow, the fan sound may not change even if the QUIET button is pressed.

HIGH POWER mode can be used to increase the output of the indoor unit for all operation modes.

7. ION Mode

Press the HIGH POWER button. The mark appears in the display.

To cancel, press HIGH POWER button again.

• When the HIGH POWER button is pressed, the unit operates at maximum output for 30 minutes, regardless of the desired temperature. The fan speed is 1 step above “High”.

• QUIET Mode and HIGH POWER Mode cannot be used at the same time.

NOTE

• Depending on the operating conditions, the fan speed may be increased by a small amount only.

The ION mode is used during operation to generate negative ions that freshen up the air in the room.

Press the ION button. The mark appears in the display.

OI-803-15-EG

To cancel, press ION button again.

• The indoor unit’s ION lamp lights up while negative ions are being generated.

• ION “on” is the remote control unit’s initial setting.

• The negative ions are generated from the negative ion generator.

Page 72

‘‘DRY’’ ( ) Operation

How it works? • Once the room temperature reaches the level that was set, the unit’s operation

Special Remarks

frequency is changed automatically.

• During DRY operation, the fan speed automatically runs at lower speed for providing a comfortable breeze.

• ‘‘DRY’’ operation is not possible if the indoor temperature is 59 °F or less.

Cooling ( ) Operation

Power failure during

operation

Clicking Sound

Clicking sound is heard from

the air conditioner

Remote Control Unit

• Sometimes the indoor unit may not get to the set fan speed such as LOW and QUIET under cool operation at very low outdoor temperatures due to the indoor unit being protected from ice or frost when combined with the outdoor unit for Low Ambient Cooling models.

• In the event of power failure, the unit will stop. When the power is resumed, the unit will restart automatically within five minutes by the remote control unit.

• In cooling operation, any plastic parts may shrink due to a sudden temperature change. In this event, a clicking sound may occur. This is normal, and the sound will soon disappear.

• The remote control unit sends the setting condition to the air conditioner regularly at five minute intervals.

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Page 73

Setting the Timer

NOTE

1. How to set the present time

2. How to set the OFF time

In the descriptions below, the following settings are used for the temperature and time indicator selector button on the bottom front section of the remote control.

• Temperature: °F

• Time: AM, PM

(Example) To set to 10:30 pm.

Operation Indication

1. Press the CLOCK button once if

the time indicator is not flashing.

2. Press the Advance, Return ( , ) button until PM 10:30 is

displayed.

3. Press the CLOCK button again. This completes the setting of the

(Example) To stop the air conditioner at 11:00 am.

1. Press the OFF TIME setting

button once.

The time indication alone flashes.

The time can be set in 1-minute increments. Holding down the button advances the time rapidly in 10-minute increments.

current time.

The timer indication is displayed, and the present OFF time is shown.

OI-803-17-EG

2. Press the Advance, Return ( , ) button until AM 11:00 is

displayed.

3. Wait a few seconds, and then the

setting is complete.

The timer indication blinks. The time can be set in 10-minute increments. Holding down the button advances the time rapidly in 10-minute increments.

The timer indication stops blinking and the present time is displayed.

Page 74

Setting the Timer (continued)

3. How to set the ON time

4. How to set DAILY ON/OFF REPEAT timer

(Example) To start operation at 7:10 am.

Operation Indication

1. Press the ON TIME setting

button once.

2. Press the Advance, Return ( , ) button until AM 7:10 is

displayed.

The timer indication is displayed, and the present ON time is shown.

The timer indication blinks. The time can be set in 10-minute increments. Holding down the button advances the time rapidly in 10-minute increments.

3. Wait a few seconds, and then

the setting is complete.

The timer indication stops blinking and the present time is displayed.

(Example) To start operation at 7:10 am. and stop the air conditioner at 11:00 am.

10:30 pm.

Present time

7:10 am.

11:00 am.

OFF

1. Set the timer ON/OFF times as

shown in 2-1, 2, 3 and 3-1, 2, 3.

NOTE

• The ON/OFF combination timer uses the current time as the reference, and it is activated starting from whichever set time comes first.

• With the ON/OFF combination timer, the settings are repeated every day.

• You can check the timer ON/OFF times after you have set them by pressing the ON TIME and OFF TIME setting buttons.

To cancel a timer program • Press the CANCEL button.

• When either an ON or OFF timer is to be canceled, press the button corresponding to the timer whose program is to be canceled, and then press the CANCEL button.

NOTE

• The airflow direction, fan speed and temperature setting can be changed after a timer program has been set even when the unit is stopped. Even when operation is stopped during an ON timer program, the unit will start operating when the set time is reached provided that the program is not canceled.

• When the ON timer and OFF timer are set to the same time, the timer operates as if it is turned off.

The present time 10:30 pm. and

are displayed.

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Page 75

Using the 1-Hour OFF Timer

1. 1-Hour OFF Timer This function causes the unit to operate for one hour and then stop, regardless of whether the unit is on or off when this button is pressed.

The indicator in the display indicates that this function is operating.

Setting procedure:

Regardless of whether the unit is operating or stopped, press the 1 HR. TIMER button.

appears in the display.

Cancellation procedure:

Press the ON/OFF operation button to turn the unit off, wait for the unit to stop operating, and then press the ON/OFF operation button again. The 1-Hour Timer function is now cancelled and the unit operates normally.

NOTE

2. Operation together with the DAILY ON/OFF REPEAT Timer

Do not • Block the air intake and outlet of the unit. If they are obstructed, the unit

Do • Always try to keep the air filter clean. (Refer to “Care and Cleaning”.) A

• If, while the 1-Hour Timer function is operating, the 1HR. TIMER button is

pressed once to cancel the function and then again, the unit continues to operate for one hour from that point in time and then stops.

• It is not possible to use the OFF Timer and 1-Hour OFF Timer together.

Whichever function is set last takes precedence. If the 1 HR. TIMER button is pressed while the TIMER OFF function operates, the OFF Timer is cancelled and the unit will stop operating one hour later.

The 1-Hour OFF Timer setting is given priority over the DAILY ON/OFF REPEAT setting.

Tips for Energy Saving

will not work well, and may be damaged.

• Let direct sunlight into the room. Use sunshades, blinds or curtains. If the walls

and ceiling of the room are warmed by the sun, it will take longer to cool the room.

clogged filter will impair the performance of the unit.

• To prevent conditioned air from escaping, keep windows, doors and any other

openings closed.

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Page 76

Adjusting the Airflow Direction

1. Horizontal The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right.

CAUTION

2. Vertical The vertical airflow can be adjusted by moving the flap with the remote control

A. Sweep function

The flap starts moving up and down to deliver air over the sweep range.

C. Auto flap function

The flap is set to the recommended position.

When the humidity is high, the vertical vanes should be in the front position during the cooling or dehumidifying operation. If the vertical vanes are positioned all of the way to the right or left, condensation may begin to form around the air vent and drip down.

unit. Do not move the flap with your hands. Confirm that the remote control unit has been turned on. Use the FLAP button to set either the sweep function or one of the six airflow direction settings.

COOL

DRY

FAN

B. Setting the airflow manually

Referring to the above illustration, use the FLAP button to set the airflow direction within the range used during the cooling or dehumidifying operation.

SWEEP

NOTE

CAUTION

• The flap automatically closes when the unit is off.

• Use the FLAP button on the remote control to adjust the position of the

flap. If you move the flap by hand, the flap position according to the remote control and the actual flap position may no longer match. If this should happen, shut off the unit, wait for the flap to close, and then turn on the unit again; the flap position will now be normal again.

• Do not have the flap pointed down during cooling operation.

Condensation may begin to form around the air vent and drip down.

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Page 77

Operation without the Remote Control Unit

INDOOR UNIT If you have lost the remote control unit or it has trouble, follow the steps

below.

When the air conditioner is not running

Each time the OPERATION button is pressed, the operation mode changes cyclically.

Cooling operation Stop

OPERATION button

NOTE

The temperature is set to the room temperature minus 4 °F during the cooling operation, and the fan speed and flap are set to Auto.

Care and Cleaning

1. For safety, be sure to turn the air conditioner off and also to disconnect the power before cleaning.

2. Do not pour water on the indoor unit to clean it. This will damage the internal components and cause an electric shock hazard.

Casing and Grille (Indoor Unit) Clean the casing and grille of the indoor unit with a vacuum cleaner brush, or

wipe them with a clean, soft cloth.

If these parts are stained, use a clean cloth moistened with a mild liquid detergent. When cleaning the grille, be careful not to force the vanes out of place.

CAUTION

1. Never use solvents, or harsh chemicals when cleaning the indoor unit. Do not wipe the plastic casing using very hot water.

2. Some metal edges and the fins are sharp and may cause injury if handled improperly; be especially careful when you clean these parts.

3. The internal coil and other components of the outdoor unit must be cleaned every year. Consult your dealer or service center.

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Page 78

Care and Cleaning (continued)

Anti-Mold Filter The anti-mold filter behind the air intake grille should be checked and cleaned at

least once every two weeks.

How to remove the anti-mold

filter

Cleaning Use a vacuum cleaner to remove light dust. If there is sticky dust on the filter,

How to replace the anti-mold

filter

1. Grasp both ends of the air

intake grille, and remove it by opening towards the front and pulling towards you.

2. Remove the anti-mold filter attached to the rear of the air intake grille.

wash the filter in lukewarm, soapy water, rinse it in clean water, and dry it.

1. With the FRONT mark of the anti-mold filter at the front, align the two indentions near the mark with the hooks at the rear of the air intake grille, and then mount the anti-mold filter.

Air intake grille

Anti-mold filter

NOTE

FRONT mark

Hook

2. Allow the edge of the air intake

grille to slide into the top of the indoor unit, and then insert it all the way inside.

3. Press in the bottom right and left corners of the air intake grille to attach the indoor unit.

Attach so that the round pins at the top right and left corners of the air intake grille are inserted into the grooves at the top right and left of the indoor unit.

Air intake grille

Groove

Air intake grille

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Page 79

Care and Cleaning (continued)

Air Clean Filter The air clean filter removes dust and dirt from the air, and reduces odors and

smoke from tobacco.

This air clean filter cannot remove harmful gases or vapors nor ventilate air in the room. You must open doors or windows frequently when you use gas or oil heating appliances. Otherwise there is a risk of suffocation in extreme cases.

How to install the air clean

filter

How to clean the air clean filter • In general, the filter should be sucked to remove dust in low fan speed of a

NOTE

Cleaning the main unit and

remote control unit

Removing and remounting the

air intake grille

The air clean filter needs to be installed behind the air intake grille.

1. Remove the air intake grille.

2. Install the air clean filter in the

position shown in the figure.

3. Remount the air intake grille.

Air clean filter

vacuum cleaner once every three months.

• If there is heavily grime on the filter, soak the filter in lukewarm water with neutral detergent diluted 1:500 for 1 to 2 minutes then wash it.

• Rinse the filter in clean water, then let it dry on the towel in room temperature.

• Do not bend nor give excessive force onto the air clean filter.

• If the filter surface is heavily blocked with dirt or damaged, replace it with new one. Purchase a replacement filter at your local dealer. (model STK-FDXB)

• Wipe clean using a soft, dry cloth.

• To remove stubborn dirt, moisten a cloth in warm water no hotter than 104 °F, wring thoroughly, and then wipe.

• The air intake grille can be removed in order to wash it with water.

Refer to “How to remove the anti-mold filter” and “How to replace the anti-mold filter” on page 22.

When using a footstool or the like, be careful not to let it tip over.

CAUTION

Washing the grille with water • Clean the grille gently using a soft sponge, or the like. Then wipe away any

remaining moisture.

• Neutral detergent may be used to remove stubborn dirt. Then rinse thoroughly with water and wipe away any remaining moisture.

Cleaning the negative ion

generator

NOTE

Follow the steps below when the generator has become dirty.

For safety, be sure to turn the air conditioner off and also to disconnect the power before cleaning.

Remove the dust on the negative ion generator.

• Use a toothbrush, etc. to dust off the end.

• Use a cotton swab, etc., to clean around the generator inside the plastic case, taking care not to touch the electrodes.

• During use, the negative ion generator and other metal parts may become discolored: this is normal and not indicative of malfunctioning.

• If the dirt on and around the negative ion generator is left to build up, a puffing or sputtering sound will eventually be heard. In this case, clean the generator immediately.

• Do not apply excessive force while performing maintenance.

Negative ion generator (metal electrodes inside plastic case)

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Page 80

Troubleshooting

If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center.

Trouble Possible Cause Remedy

Air conditioner does not run at all. 1. Power failure. 1. Restore power.

2. Leakage circuit breaker tripped.

3. Line voltage is too low. 3. Consult your electrician or dealer.

2. Contact service center.

4. Batteries in remote control unit have run down.

OPERATION lamp blinks and air conditioner does not operate.

Compressor runs but soon stops. Obstruction in front of condenser coil. Remove obstruction.

Poor cooling performance. 1. Dirty or clogged air filter. 1. Clean air filter to improve airflow.

Clicking sound is heard from the air conditioner.

OPERATION lamp lights but outdoor unit will not run.

Trouble in system. Contact service center.

2. Heat source or many people in room. 2. Eliminate heat source if possible.

3. Doors and/or windows are open. 3. Shut them to keep the heat out.

4. Obstacle near air intake or air discharge port.

5. Thermostat is set too high for cooling. 5. Set the temperature lower.

In cooling operation, any plastic parts may shrink due to a sudden temperature change. In this event, a clicking sound may occur.

1. The use of cellular phones near the air conditioner may cause disturbance to its normal operation.

4. Replace batteries.

4. Remove it to ensure good airflow.

This is normal, and the sound will soon disappear.

1. Turn off the power then restart the air conditioner after a while.

2. Consult your dealer.

Operating Range

The air conditioner is operable within the temperature ranges as listed below:

For Cooling Only Models : C0971, C1271

Temperature Indoor air temperature Outdoor air temperature

COOLING Max. 95 °F DB / 71 °F WB 115 °F DB

Min. 67 °F DB / 57 °F WB 67 °F DB

For Low Ambient Cooling Models : CL0971, CL1271

Temperature Indoor air temperature Outdoor air temperature

COOLING Max. 95 °F DB / 71 °F WB 115 °F DB

Min. 67 °F DB / 57 °F WB 0 °F DB

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Page 81

APPENDIX B

INSTALLATION INSTRUCTIONS

KS0971 + C0971  + CL0971

KS1271 + C1271  + CL1271

(II-852-6-4189-991-00-6)

A-2

Page 82

INSTALLATION INSTRUCTIONS

NOTE

– Inverter Split System Air Conditioner –

This air conditioner uses the new refrigerant R410A.

Refrigerant service valve size = 5/16"

Contents

Page

IMPORTANT!

Please Read Before Starting .................................. 2

1. GENERAL .......................................................... 3

1-1. Tools Required for Installation (not supplied) 1-2. Accessories Supplied with Unit 1-3. Optional Copper Tubing Kit 1-4. Type of Copper Tube and Insulation Material 1-5. Additional Materials Required for Installation

2. INSTALLATION SITE SELECTION ................... 4

2-1. Indoor Unit 2-2. Outdoor Unit 2-3. Baffle Plate for the Outdoor Unit

3. HOW TO INSTALL THE INDOOR UNIT ............. 8

3-1. Remove the Rear Panel from the Unit 3-2. Make a Hole 3-3. Install the Rear Panel on the Wall 3-4. Remove the Grille to Install the Indoor Unit 3-5. Shape the Indoor Side Tubing 3-6. Wiring Instructions 3-7. Recommended Wire Length and Diameter 3-8. Wiring Instructions for Inter-unit Connections 3-9. Mounting 3-10. Drain Hose

4. HOW TO INSTALL THE OUTDOOR UNIT ....... 18

4-1. Wiring Instructions for the Outdoor Unit

COOL/ DRY Model

Model Combinations

Combine indoor and outdoor units only as listed below.

Indoor Unit Outdoor Unit

KS0971 C0971

CL0971

KS1271 C1271

CL1271

Power Source: 60 Hz, single-phase, 115 V

Be sure to read the yellow instruction sheet attached to the outdoor unit for models using the new refrigerant R410A.

7. REMOTE CONTROL UNIT INSTALLATION

POSITION ......................................................... 25

7-1. Mounting on a Wall

8. ADDRESS SWITCH .......................................... 26

8-1. Address Setting of the Remote

Control Unit

5. REFRIGERANT TUBING .................................. 19

5-1. Use of the Flaring Method 5-2. Flaring Procedure with a Flare Tool 5-3. Caution before Connecting Tubes Tightly 5-4. Connecting Tubing between Indoor and

Outdoor Units 5-5. Insulation of Refrigerant Tubing 5-6. Taping the Tubes 5-7. Finishing the Installation

6. AIR PURGING................................................... 21

I Air Purging with a Vacuum Pump (for Test Run) I Basic Functions of the Service Valves I Pump Down

NOTE

The illustrations are based on the typical appearance of a standard model. Consequently, the shape may differ from that of the air conditioner that you are installing.

SANYO Commercial Solutions In Canada A Division of SANYO North America Corporation SANYO Canada Inc. Cornerstone Business Park, 1-300 Applewood Crescent, Concord 1062 Thorndale Avenue, Ontario, L4K 5C7, Canada Bensenville, IL 60106, U.S.A.

Page 83

IMPORTANT! Please Read Before Starting

When Installing…

For safe installation and trouble-free operation, you must:

Carefully read this instruction booklet before beginning.

Follow each installation or repair step exactly as shown.

Observe all local, state, and national electrical codes.

Pay close attention to all warning and caution notices given in this manual.

This symbol refers to a hazard

WARNING

CAUTION

or unsafe practice which can result in severe personal injury or death.

This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage.

If Necessary, Get Help

In Case of Improper Installation

The manufacturer shall in no way be responsible for improper installation or maintenance service, including failure to follow the instructions in this document.

SPECIAL PRECAUTIONS

WARNING

• Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked.

• Highly dangerous electrical voltages are used in this system. Carefully refer to the wiring diagram and these instructions when wiring. Improper connections and inadequate grounding can cause accidental injury or

death.

• Ground the unit following local electrical codes.

• Connect all wiring tightly. Loose wiring may cause overheating at connection points and a possible fire hazard.

When Transporting

When Wiring

ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A QUALIFIED, EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM.

…In a Ceiling or Wall

Make sure the ceiling/wall is strong enough to hold the unit’s weight. It may be necessary to construct a strong wood or metal frame to provide added support.

…In a Room

Properly insulate any tubing run inside a room to prevent “sweating” that can cause dripping and water damage to walls and floors.

…In Moist or Uneven Locations

Use a raised concrete pad or concrete blocks to provide a solid, level foundation for the outdoor unit. This prevents water damage and abnormal vibration.

…In an Area with High Winds

Securely anchor the outdoor unit down with bolts and a metal frame. Provide a suitable air baffle.

…In a Snowy Area (for Heat Pump-type Systems)

Install the outdoor unit on a raised platform that is higher than drifting snow. Provide snow vents.

When Connecting Refrigerant Tubing

• Use the flare method for connecting tubing.

• Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them, then tighten the nut with a torque wrench for a leak-free connection.

• Check carefully for leaks before starting the test run.

When Servicing

• Turn the power OFF at the main power box (mains) before opening the unit to check or repair electrical parts and wiring.

• Keep your fingers and clothing away from any moving parts.

• Clean up the site after you finish, remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced.

Others

CAUTION

• Ventilate any enclosed areas when installing or testing the refrigeration system. Escaped refrigerant gas, on contact with fire or heat, can produce dangerously toxic gas.

• Confirm upon completing installation that no refrigerant gas is leaking. If escaped gas comes in contact with a stove, gas water heater, electric room heater or other heat source, it can produce dangerously toxic gas.

Page 84

1. General

This booklet briefly outlines where and how to install the air conditioning system. Please read over the entire set of instructions for the indoor and outdoor units and make sure all accessory parts listed are with the system before beginning.

1-1. Tools Required for Installation (not supplied)

1. Standard screwdriver

2. Phillips head screwdriver

3. Knife or wire stripper

4. Tape measure

5. Carpenter’s level

1-2. Accessories Supplied with Unit

Table 1

Parts Figure Q’ty Parts Figure Q’ty

Remote control unit

Remote control unit holder

AAA alkaline battery

Tapping screw

Rawl plug

Drain hose

adapter

Tr uss-head Phillips

/8" (4 16 mm)

6. Sabre saw or key hole saw

7. Hacksaw

8. Core bits

9. Hammer

10. Drill

11. Tube cutter

12. Tube flaring tool

13. Torque wrench

14. Adjustable wrench

15. Reamer (for deburring)

Parts Figure Q’ty

Hex wrench*

Clamp

*Packed in the outdoor unit.

Air clean filter

1-3. Optional Copper Tubing Kit

Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tubing, fittings and insulation. Consult your nearest sales outlet or A/C workshop.

1-4. Type of Copper Tube and Insulation Material

Cushion rubber*

2. Foamed polyethylene insulation for the specified copper tubes as required to precise length of tubing. Wall thickness of the insulation should be not less than 5/16" (8 mm).

3. Use insulated copper wire for field wiring. Wire size varies with the total length of wiring. Refer to 3-6. Wiring Instructions for details.

If you wish to purchase these materials separately from a local source, you will need:

1. Deoxidized annealed copper tube for refrigerant tubing as detailed in Table 2.

Cut each tube to the appropriate lengths 1' to 1'4" (30 cm to 40 cm) to dampen vibration between units.

Table 2

Model

KS0971/1271 1/4" (6.35 mm) 0.0314" (0.8 mm) 3/8" (9.52 mm) 0.0314" (0.8 mm)

Outer Dia. Thickness Outer Dia. Thickness

Narrow Tube Wide Tube

CAUTION

Check local electrical codes and regulations before obtaining wire. Also, check any specified instructions or limitations.

Page 85

1-5. Additional Materials Required for Installation

1. Refrigeration (armored) tape

2. Insulated staples or clamps for connecting wire (See local codes)

3. Putty

4. Refrigeration lubricant

5. Clamps or saddles to secure refrigerant tubing

2. Installation Site Selection

2-1. Indoor Unit

WARNING

AVOID:

To prevent abnormal heat generation and the possibility of fire, do not place obstacles, enclosures and grilles in front of or surrounding the air conditioner in a way that may block air flow.

2" (5 cm)

min.

Indoor unit

Outside drainage

Fig. 1

6" (15 cm) min.

Drain hose

2" (5 cm)

min.

G direct sunlight.

G nearby heat sources that may affect performance of the unit.

G areas where leakage of flammable gas may be expected.

G places where large amounts of oil mist exist.

DO:

G select an appropriate position from which every corner of

the room can be uniformly cooled. (High on a wall is best.)

G select a location that will hold the weight of the unit.

G select a location where tubing and drain hose have the

shortest run to the outside. (Fig. 1)

G allow room for operation and maintenance as well as unre-

stricted air flow around the unit. (Fig. 2)

G install the unit within the maximum elevation difference (H)

above or below the outdoor unit and within a total tubing length (L) from the outdoor unit as detailed in Table 3 and Fig. 3a.

G Install the indoor unit more than 3.3' (1 m) away from any

antenna or power lines or connecting wires used for television, radio, telephone, security system, or intercom. Electrical noise from any of these sources may affect operation.

Front View

Fig. 2

INDOOR UNIT

Elevation difference (H)

Fig. 3a

CAUTION

For stable operation of the air conditioner, do not install wall-mounted type indoor units less than 5' (1.5 m) from floor level.

Tubing length (L)

OUTDOOR UNIT

Indoor unit

Minimum height from floor level

5' (1.5 m)

Floor level

Wall

Fig. 3b

Table 3

Max. Allowable Tubing Limit of Tubing Limit of Elevation Required Amount of

Model Length at Shipment Length (L) Difference (H) Additional Refrigerant

(ft.) (ft.) (ft.) (oz./ft.)*

KS0971 25 50 23 0.16

KS1271 25 65 23 0.16

* If total tubing length becomes 25 to 50 ft. (Max.) or 25 to 65 ft. (Max.), charge additional refrigerant (R410A) by 0.16 oz./ft.

No additional charge of compressor oil is necessary. For more detailed charging information, refer to the Technical & Service Manual.

Page 86

2-2. Outdoor Unit

AVOID:

G heat sources, exhaust fans, etc. (Fig. 4)

G damp, humid or uneven locations.

DO:

G choose a place as cool as possible.

G choose a place that is well ventilated.

G allow enough room around the unit for air intake/

exhaust and possible maintenance. (Fig. 5a)

G provide a solid base (level concrete pad, concrete

block, 4" × 1'4" (10 × 40 cm) beams or equal), a minimum of 4" (10 cm) above ground level to reduce humidity and protect the unit against possible water damage and decreased service life. (Fig. 5b)

G Install cushion rubber under unit’s feet to reduce

vibration and noise. (Fig. 5c)

G use lug bolts or equal to bolt down unit, reducing

vibration and noise.

G Install in a location where no antenna of a television

or radio exists within 10' (3 m).

2-3. Baffle Plate for the Outdoor Unit

(CLxx models only)

NOTE

It is recommended to use baffle plates for models CL0971 and CL1271. The baffle plates are not normally required for the other models.

When the outdoor unit is installed in a position exposed to strong wind (such as seasonal winds with low air temperature in winter), baffle plates must be installed on the outdoor unit. (Fig. 5d)

This unit is designed so that the fan of the outdoor unit runs at low speed when the air conditioner is operated at low outdoor air temperatures. When the outdoor unit is exposed to strong wind, the system pressure drops because of the freeze protector. Install a pair of windbaffle plates at the front and back of the outdoor unit if it will be subject to strong wind during the winter. (Figs. 5d, 5e, 5f, 5g, and 5h)

Hot air

Outdoor unit

Air intake Min. 2" (5 cm)

Min.

2" (5 cm)

Air intake

Concrete or equal

Air discharge

Fig. 5a

About 16" (40 cm)

Air intake baffle

Wind

Fig. 4

Valve side Min. 10" (25 cm)

Min. 8" (20 cm)

Fig. 5b

Exhaust fan

Heat source

Obstacle above

Air discharge

Ground

Anchor bolts (4 pcs.)

About 4" (10 cm)

Min.

7' (2 m)

Min. 4" (10 cm)

Min.

7' (2 m)

Min. 2" (5 cm)

Air intake

Front

Obstacle

Fig. 5c

Cushion rubber

Back

Wind

Air discharge baffleNo air intake baffle required on this side.

Fig. 5d

Page 87

(1) Recommended dimensions of the baffle plates

Air Intake Baffle

2- 1/4"

(2- 6.5 mm)

Fig. 5e

2- 15/64"

(2- 6 mm)

Air Discharge Baffle

4- 1/4"

(4- 6.5 mm)

Fig. 5f

For Air Intake

Dimensions

Model

CL0971, CL1271

(inch)

(mm) 550 20 55 440 330 10 15 9 7.5 441 10 150 20 20

ABCDEFGH I JKNPQ

21-21/32

25/32 2-5/32 17-5/16 13 25/64 19/32 23/64 19/64 17-3/8 25/64 5-29/32 25/32 25/32

For Air Discharge

Dimensions

Model

CL0971, CL1271

(inch)

(mm) 485 510 350 150 445 20 55 370 70 85 15 35 35

ABCDEFGH I JKLM

19-3/32 20-3/32

13-25/32

5-29/32

17-17/32

25/32 2-5/32 14-9/16 2-3/4 3-11/32 19/32 1-3/8 1-3/8

Material to be used: Metal plate with corrosion protection treatment Plate thickness: 0.0394 to 0.0472" (1.0 to 1.2 mm)

(2) Parts required (field supply except for screws)

Air Intake Baffle

Item Q’ty Remarks

Baffle plate 1

Screw 5/32 × 15/32" (4 × 12 mm) tapping 2 Attached to outdoor unit

Bolt 15/64 × 19/32 – 25/32" (M6 × 15 – 20 mm) 2

Nut 15/64" (M6) 2

Washer 2

Spring washer 2

Air Discharge Baffle

Item Q’ty Remarks

Baffle plate 1

Bolt 15/64 × 13/32 – 19/32" (M6 × 10 – 15 mm) 4

Nut 15/64" (M6) 4

Washer 4

Spring washer 4

Page 88

(3) Installation procedure

Panel front

Panel side R

Panel side L

1. Air Intake Baffle

(1) Left side

1. Remove the front panel from the unit.

2. Remove the panel side L, and drill 2 holes of ø1/4 inch (6.5 mm) at the prescribed position.

3. Install the windbaffle on the unit using field supply bolts and nuts.

4. Recommended bolts to be used are 15/64" (M6 ISO standard), and the recommended length of the bolts is between 19/32 – 25/32 inch (15 – 20 mm).

5. Use washers and spring washers to tightly fasten the windbaffle to the unit.

(2) Right side

1. Remove the front panel from the unit.

2. Use 2 preholes on the panel side R to install the baffle plate.

3. Remove the panel side R from the unit by removing the screws. These screws are used in step 4 below.

4. Put (sandwich) the windbaffle between the unit and the panel side R, then install the windbaffle on the unit using the above screws. Be careful not to damage the screw holes.

2. Air Discharge Baffle

1. Remove the panels front, side L and R from the unit and drill 4 holes of ø1/4 inch (6.5 mm) at the prescribed positions.

2. Install the windbaffle on the unit using field supply bolts and nuts.

3. Recommended bolts to be used are 15/64" (M6 ISO standard), and the recommended length of the bolts is between 13/32 – 19/32 inch (10 – 15 mm).

4. Use washers and spring washers to tightly fasten the windbaffle to the unit.

Panel side R

Panel front

Panel side L

Fig. 5g

Fig. 5h

NOTE

G In order to prevent contact of the bolts and heat exchanger and other parts inside the unit, install the windbaffle using

bolts from inside the unit and fasten the bolts with nuts from outside the unit.

G When the windbaffle is installed on the unit, the unit has higher wind resistance. In order to prevent the unit from

falling over, anchor the legs of the unit using anchor bolts (or similar method).

(4) Precautions for installation

1. Be sure not to damage painted surfaces.

2. Finish the edges of the windbaffle to avoid cuts or injury.

3. Drilling of holes must be carefully done so that no damage is caused to external or internal parts of the unit. Particular care must be taken that drill chips do not drop into the unit.

Page 89

3. How to Install the Indoor Unit

3-1. Remove the Rear Panel from the Unit

(1) Remove and discard the set screw on the rear

panel. (Fig. 6)

(2) Press the 2 LL marks on the frame cover and disen-

gage the stationary tabs from the frame. (Fig. 7)

(3) Remove the rear panel.

Set screw only for transportation

NOTE

Tubing can be extended in 5 directions as shown in Fig.

8. Select the direction you need providing the shortest run to the outside unit.

G When left tubing is to be done, switch the drain hose

and drain cap. (For details, refer to “Switching drain hose and drain cap” on page 16.)

3-2. Make a Hole

(1) Place the rear panel from the indoor unit on the wall

at the location selected. Make sure the panel is horizontal, using a carpenter’s level or tape measure to measure down from the ceiling. Wait until after cutting the hole before attaching the rear panel to the wall.

(2) Determine which side of the unit you should make

the hole for tubing and wiring. (Fig. 9)

NOTE

In the case of left-rear tubing, use the measurement points 2-3/4" (70 mm) from the edge of the rear panel for precise placement of the hose outlet. (Fig. 9)

Left tubing

Left-rear tubing

Fig. 6

Rear panel

marks

Fig. 7

Right-rear tubing (recommended)

Right tubing

Downward tubing

Fig. 8

(3) Before making the hole, check carefully that no

studs or pipes are directly run behind the spot to be cut.

CAUTION

Also avoid areas where electrical wiring or conduits are located.

The above precautions are also applicable if tubing goes through the wall in any other location.

2-3/4" (70 mm)

Fig. 9

Page 90

(4) Using a sabre saw, key hole saw or hole-cutting drill

attachment, cut a hole in the wall. See Table 4 and Fig. 10.

Table 4

Hole Dia.

2-9/16" (65 mm)

(5) Measure the thickness of the wall from the inside

edge to the outside edge and cut PVC pipe at a slight angle 1/4" (6 mm) shorter than the thickness of the wall. (Fig. 11)

(6) Place the plastic cover over the end of the pipe

(for indoor side only) and insert the pipe in the wall. (Fig. 12)

3-3. Install the Rear Panel on the Wall

NOTE

Hole should be made at a slight downward slant to the outdoor side.

Indoor side

Outdoor side

Fig. 10

PVC pipe (Locally purchased)

Be sure to confirm that the wall is strong enough to suspend the unit.

See either Item a) or b) below depending on the wall type.

a) If Wooden Wall

(1) Attach the rear panel to the wall with the 8 screws

provided. (Fig. 13)

If you are not able to line up the holes in the rear panel with the beam locations marked on the wall, use rawl plugs or toggle bolts to go through the holes on the panel or drill 3/16" (5 mm) dia. holes in the panel over the stud locations and then mount the rear panel.

(2) Double check with a carpenter’s level or tape mea-

sure that the panel is level. This is important to install the unit properly. (Fig. 14)

(3) Make sure the panel is flush against the wall. Any

space between the wall and unit will cause noise and vibration.

Plastic cover

(Locally p

Cut at sli

Fig. 11

INSIDE OUTSIDE

Wall

urchased)

Fig. 12

Fig. 13

ht angle

PVC pipe

Slight angle

b) If Block, Brick, Concrete or Similar Type Wall

Make 3/16" (4.8 mm) dia. holes in the wall. Insert rawl plugs for appropriate mounting screws. (Fig. 15)

Fig. 14

3/16" (4.8 mm) dia. hole

Rawl plug

Fig. 15

Page 91

3-4. Remove the Grille to Install the Indoor Unit

Basically, these models can be installed and wired without removing the grille. If access to any internal part is needed, follow the steps as given below.

Air intake grille

Grille

CAUTION

Be sure to wear work gloves during installation to avoid being cut by the sharp aluminum fins of the heat exchanger.

How to remove the grille

(1) Grasp both ends of the air intake grille, and remove it

by opening towards the front and pulling towards you. (Fig. 16a)

(2) Remove the 2 screws. (Fig. 16b)

(3) Remove the screw on the right side cover plate and

open the cover. (Fig. 17a)

(4) Take out the thermistor from the grille. (Fig. 17b)

(5) Pull the lower part of the grille toward you to remove.

(Fig. 18a)

(6) Use a standard screwdriver to push on the tabs to

remove the grille.

How to replace the grille

(1) Reinstall the grille into the lower part while aligning

its tabs on the upper part. (Fig. 18b) Insert the tabs in the slots and push the lower part of the grille back into position.

Screw cover

Thermistor

Fig. 17a

Ta b

Fig. 16a

Fig. 16b

Cover

Thermistor

Fig. 17b

Grille

Fram e

(2) Make sure that the grille and frame are firmly fitted

together by engaging the tabs.

(3) Attach the thermistor on the grille. (Fig. 17a)

(4) Close the cover and replace the screw. (Fig. 17a)

(5) Affix the grille with the 2 previously removed

screws. (Fig. 16b)

(6) Install the air intake grille.

(a) Allow the edge of the air intake grille to slide into

the top of the indoor unit, and then insert it all the way inside. (Fig. 19a)

(b) Press the bottom right and left corners of the air

intake grille to attach it to the indoor unit. (Fig. 19b)

NOTE

Attach so that the round pins at the top right and left corners of the air intake grille are inserted into the grooves at the top right and left of the indoor unit.

Ta b

Fig. 18a

Fig. 18b

Groove

Fig. 19b

Fig. 19a

Page 92

3-5. Shape the Indoor Side Tubing

(1) Arrangement of tubing by direction

a) Right or left tubing

Cut out the corner of the right/left frame with a hacksaw or the like. (Figs. 20 and 21)

b) Right-rear or left-rear tubing

In this case, the corner of the frame need not be cut.

(2) To mount the indoor unit on the rear panel:

Hang the 2 mounting slots of the unit on the upper tabs of the rear panel. (Fig. 22)

3-6. Wiring Instructions

General precautions on wiring

(1) Before wiring, confirm the rated voltage of the unit as

shown on its nameplate, then carry out the wiring closely following the wiring diagram.

(2) Provide a power outlet to be used exclusively for

each unit, with a power supply disconnect and circuit breaker for overcurrent protection provided in the exclusive line.

Frame

Left tubing outlet

Fig. 20

Frame

Right tubing outlet

Fig. 21

(3) To prevent possible hazards due to insulation failure,

the unit must be grounded.

(4) Each wiring connection must be done tightly and in

accordance with the wiring system diagram. Wrong wiring may cause the unit to misoperate or become damaged.

(5) Do not allow wiring to touch the refrigerant tubing,

compressor, or any moving parts of the fan.

(6) Unauthorized changes in the internal wiring can be

very dangerous. The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes.

Fig. 22

Page 93

3-7. Recommended Wire Length and Diameter

Regulations on wiring diameter differ from locality to locality. For field wiring requirements, please refer to your local electrical codes. Carefully observe these regulations when carrying out the installation. Table 5 lists recommended wire lengths and diameters for power supply systems.

NOTE

Refer to the wiring system diagram (Fig. 23) for the meaning of (A), (B), and (C) in Table 5.

Refer to your local codes or in the absence of local codes see the National Electric Code: ANSI/NFPA70.

Table 5

(A)+(B) (A) Power Supply Wiring Length (ft) (C) Control

(B) Power Line Length (ft) Line Length (ft)

Model (#14) (#12) (#14)

C0971, CL0971, C1271, CL1271

131 (Max.) 230 (Max.) 65 (Max.) 20A

# ... AWG (American Wire Gauge)

WARNING

WIRING SYSTEM DIAGRAM

Fuse or Circuit AWG

Breaker Capacity

G Be sure to comply with local codes on running the wire

from the indoor unit to the outdoor unit (size of wire and wiring method, etc.).

G Each wire must be firmly connected. G No wire should be allowed to touch refrigerant tubing, the

compressor, or any moving part.

WARNING

G To avoid the risk of electric shock, each air conditioner

unit must be grounded.

G For the installation of a grounding device, please

observe local electrical codes.

G Grounding is necessary, especially for units using

inverter circuits, in order to release charged electricity and electrical noise caused by high tension. Otherwise, electrical shock may occur.

G Place a dedicated ground more than 7' (2 m) away from

other grounds and do not have it shared with other electric appliances.

INDOOR

UNIT

Te r mi nal Terminal

Disconnect

switch Field supply

(C)

115V

Grounding line

(B)

OUTDOOR

UNIT

Fig. 23

NOTE

Disconnect switch may be required by national or local codes.

CAUTION

Always comply with national and local code requirements.

Powe r supply

(A)

Grounding line

Single phase 115V 60HZ

CAUTION

G Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram.

The indoor unit draws its power from the outdoor unit.

G Do not run wiring for antenna, signal, or power lines of television, radio, stereo, telephone,

security system, or intercom any closer than 3'4" (1 m) from the power cable and wires between the indoor and outdoor units. Electrical noise may affect the operation.

Page 94

3-8. Wiring Instructions for Inter-unit Connections

(1) Insert the inter-unit wiring (according to local codes)

into the through-the-wall PVC pipe. Run the wiring toward the indoor side allowing approx. 10" (25 cm) to extend from the wall face. (Fig. 24)

(2) Grasp both ends of the air intake grille, and remove

it by opening towards the front and pulling towards you.

(3) Remove the screw on the right side cover plate and

open the cover. (Fig. 25)

(4) Route the inter-unit wiring from the back of the

indoor unit and pull it toward the front for connection. (Fig. 26a, 26b)

(5) Connect the inter-unit wiring to the corresponding

terminals on the terminal plate (Fig. 26a, 26b) while referring to the wiring diagram.

(6) Be sure to secure the wiring with the provided

clamp.

NOTE

Rear panel

Wiring

Wall

Plastic cover

10" (25 cm)

Fig. 24

Cover

When closing the air intake grille, press on both corners. (Fig. 27)

Please refer to “How to replace the grille” on page 10 for installing the air intake grille.

Fig. 27

Fig. 25

Te r mi nal plate

Fig. 26a

Inter-unit wiring

Earth plate

Lock nut

Top of conduit connector

Fig. 26b

Page 95

Screw and special washer

Ring connector

Wire

WARNING

Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazard may also exist. Therefore, be sure all wiring is tightly connected.

When connecting each power wire to the corresponding terminal, follow the instructions “How to connect wiring to the terminal” and fasten the wire securely tight with the fixing screw of the terminal plate.

How to connect wiring to the terminal

a) For Indoor Unit

(1) Cut the wire end with a cutting pliers, then strip the

insulation to expose the wire about 9/32" (7 mm). See the label (Fig. 28) near the terminal plate.

(2) Using a screwdriver, loosen the terminal screw on

the terminal plate.

(3) Insert the wire and tighten the terminal screw com-

pletely using a screwdriver.

b) For Outdoor Unit

I For solid core wiring (or F-cable)

(1) Cut the wire end with a cutting pliers, then strip the

insulation to expose the solid wire about 15/16" (25 mm). (Fig. 29)

9/32"

STRIP SIZE

(7 mm)

Fig. 28

Solid wire

Strip 15/16" (25 mm)

Insulation

Fig. 29

Stranded wire

(ACTUAL

SIZE)

Loop

Ring connector

(2) Using a screwdriver, remove the terminal screw(s)

on the terminal plate.

(3) Using the pliers, bend the solid wire to form a loop

suitable for the terminal screw.

(4) Shape the loop wire properly, place it on the termi-

nal plate and fix it securely with the removed terminal screw using a screwdriver.

I For stranded wiring

(1) Cut the wire end with a cutting pliers, then strip the

insulation to expose the stranded wiring about 3/8" (10 mm) and tightly twist the wire ends. (Figs. 30 and 31)

(2) Using a screwdriver, remove the terminal screw(s)

on the terminal plate.

(3) Using a ring connector fastener or pliers, securely

clamp each stripped wire end with a ring connector. (Fig. 30)

(4) Place the ring connector wire, and replace and

tighten the removed terminal screw using a screwdriver. (Fig. 32)

Wire

Special washer

Strip 3/8" (10 mm)

Fig. 30

Twist wire ends

Fig. 31

Screw

Ring connector

Terminal plate

Fig. 32

Page 96

3-9. Mounting

(1) To install the indoor unit, mount the indoor unit onto

the 2 tabs on the upper part of the rear plate.

(2) Hold down the air discharge outlet and press the

lower part of the indoor unit until it clicks to securely fasten to the 2 tabs on the lower part of the rear plate. (Fig. 33)

NOTE

For tubing, choose either the right or left tubing direction and follow the steps below. This work can be made easier by placing padding material (such as styrofoam) at the rear right side of the indoor unit. (Fig. 34)

I Right-side tubing

(1) Shape the refrigerant tubing so that it can easily go

into the wall hole. (Fig. 35)

(2) Push the wiring, refrigerant tubing, and drain hose

through the hole in the wall. Adjust the indoor unit so it is securely seated on the rear panel. (Fig. 36)

(3) Carefully bend the tubing (if necessary) to run along

the wall in the direction of the outdoor unit and then tape as far as the fittings. (See Caution on page

20.) The drain hose should come straight down the wall to a point where water runoff won’t stain the wall.

(4) Connect the refrigerant tubing to the outdoor unit.

(After performing a leak test on the connecting part, insulate it with the tubing insulation. (Fig. 37a)) Also, refer to Section 5-4. Connecting Tubing between Indoor and Outdoor Units.

Push

Fig. 33

Padding material

Fig. 34

Rear panel

Cover

Refrigerant tubing

Inter-unit wiring

Drain hose

(5) Assemble the refrigerant tubing, drain hose, and

conduit (including inter-unit wiring) as shown in Fig. 37b.

Refrigerant tubing

Insulation

Fig. 37a

Conduit

Inter-unit wiring

Fig. 37b

Drain hose

Fig. 35

Fig. 36

Page 97

I Left-side tubing

(1) Lead the tubing and drain hose through the wall,

allowing sufficient length for connection. Then bend the tubing using a tube bender to make the attachment. (Fig. 38)

(2) Switch the drain hose and drain cap.

Switching drain hose and drain cap

(a) Locate the drain hose and the drain cap.

(Fig. 39)

(b) Remove the screws fastening the drain hose on

the right side, and pull out the drain hose to remove it. (Fig. 39)

on the left side. (If you cannot pull it off by hand, use a long-nose pliers.)

(d) Reattach the drain hose to the left side and the

drain cap to the right side. (Fig. 40a)

Hole in wall

Drain hose

Bent part

Rear panel

Wide tube

Narrow tube

Fig. 38

Drain cap

Fig. 39

Drain hose

Slide the drain hose fully onto the drain pan outlet until the drain hose edge is pushed into the insulation. Check that the screw holes in the drain bracket and the drain pan outlet are aligned and securely in contact, then fasten them with the screw. (After attaching the drain hose, check that it is attached securely.) (Fig. 40c)

Drain cap

Use a Phillips screwdriver to push the drain cap in firmly. (If it is difficult to push in, wet the cap with water first.)

(3) Install the indoor unit on the rear panel.

(4) Connect the tubing and wiring led inside from out-

doors.

(5) After completing a leak test, bundle the tubing

together with armoring tape and store it inside the tubing storage area at the back of the indoor unit and hold it with clamps. (Figs. 40a and 41)

Drain hose

Clamp

Drain cap

Fig. 40a

Screw hole

Drain pan outlet

Insulation

Drain bracket

Drain hose

Fig. 40c

Drain bracket

Screw

Conduit

Fig. 41

Drain hose

Fig. 40b

Refrigerant tubing

Inter-unit wiring

Page 98

To unmount indoor unit

WARNING

Risk of Electric Shock

Press the 2 LL marks on the lower part of the indoor unit and unlatch the tabs. Then lift the indoor unit and unmount. (Fig. 42)

3-10. Drain Hose

a) The drain hose should be slanted downward to the

outdoors. (Fig. 43)

b) Never form a trap in the course of the hose.

c) If the drain hose will run in the room, insulate the

hose with insulation* so that chilled condensation will not damage furniture or floors. (Fig. 44)

* Foamed polyethylene or its equivalent is recom-

mended.

Do not supply power to the unit or operate it until all tubing and wiring to the outside unit are completed.

Indoor unit

Push

Fig. 42

Slant

Drain hose

Insulation material (Locally purchased) must be used.

Fig. 43

Condensation

Fig. 44

Page 99

4. How to Install the Outdoor Unit

First refer to Section 2. Installation Site Selection.

4-1. Wiring Instructions for the Outdoor Unit

Regulations on wire size differ from locality to locality. For field wiring requirements, please refer to your local electrical codes. Make sure that the installation fully complies with all local and national regulations.

(1) Remove access panel “C”. (Fig. 46)

(2) Connect the inter-unit and power supply line accord-

ing to the drawing on the panel side.

(3) Be sure to size each wire allowing approx. 4"

(10 cm) longer than the required length for wiring. Store excess wiring inside the cabinet.

(4) When connections are completed, check that all

connections are correct as shown in the wiring system diagram on panel side.

(5) Be sure to ground the unit according to your local

codes.

Te r mi nal block

Conduit plate

Plug

Lock nut

Inter unit (Conduit)

Cabinet

Access panel “C”

Power supply (Conduit)

Fig. 46

Page 100

5. Refrigerant Tubing

Flare nut

Union

Deburring

5-1. Use of the Flaring Method

Many of the conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units. In this method, the copper tubes are flared at each end and connected with flare nuts.

5-2. Flaring Procedure with a Flare Tool

(1) Cut the copper tube to the required length with a

tube cutter. It is recommended to cut approx. 12" to 20" (30 to 50 cm) longer than the tubing length you estimate.

(2) Remove burrs at the end of the copper tube with a

tube reamer or file. This process is important and should be done carefully to make a good flare. (Fig. 47)

NOTE

When reaming, hold the tube end downward and be sure that no copper scraps fall into the tube. (Fig. 48)

(3) Remove the flare nut from the unit and be sure to

mount it on the copper tube.

Before

If the special R410A flare tool is used:

After

Fig. 47

Copper tubing

Reamer

Fig. 48

If the previous flare tool (clutch-type) is used:

(4) Make a flare at the end of copper tube with a flare

tool.* (Figs. 49a and 49b)

(*Use “RIGID” or equivalent.)

NOTE

A good flare should have the following characteristics:

G inside surface is glossy and smooth.

G edge is smooth.

G tapered sides are of uniform length.

5-3. Caution before Connecting Tubes Tightly

a) Be sure to apply a sealing cap or water-proof tape

to prevent dust or water from getting into the tubes before they are used.

b) Be sure to apply refrigerant lubricant to the match-

ing surfaces of the flare and union before connecting them together. This is effective for reducing gas leaks. (Fig. 50)

c) For proper connection, align the union tube and

flare tube straight with each other, then screw in the flare nut lightly at first to obtain a smooth match. (Fig. 51)

0 to 0.0196" (0 to 0.5 mm)

0.0472" (1.2 mm)

Adjust so that the amount of tube protrusion is as shown in the figure.

Fig. 49a

Flare nut

Copper tubing

Flare tool

Fig. 49b

Apply refrigerant lubricant here and here

Fig. 50

Fig. 51