Toshiba RAS-22LAV-UL, RAS-17LKV-UL, RAS-15LKV-UL, RAS-17LAV-UL, RAS-15LAV-UL User Manual

...
4.5 (4)

FILE NO. SVM-10020

SERVICE MANUAL

 

SPLIT TYPE

Indoor Unit

Outdoor Unit

<High Wall, Heat Pump Type>

<Heat Pump Type>

RAS-15LKV-UL RAS-15LAV-UL RAS-17LKV-UL RAS-17LAV-UL RAS-22LKV-UL RAS-22LAV-UL

R410A

February, 2010

FILE NO. SVM-10020

CONTENTS

1.

SAFETY PRECAUTIONS ..........................................................................

3

2.

SPECIFICATIONS .....................................................................................

6

3.

REFRIGERANT R410A .............................................................................

9

4.

CONSTRUCTION VIEWS ........................................................................

17

5.

WIRING DIAGRAM ..................................................................................

19

6.

SPECIFICATIONS OF ELECTRICAL PARTS .........................................

20

7.

REFRIGERANT CYCLE DIAGRAM ........................................................

21

8.

CONTROL BLOCK DIAGRAM ................................................................

24

9.

OPERATION DESCRIPTION ...................................................................

26

10.

INSTALLATION PROCEDURE ................................................................

50

11.

HOW TO DIAGNOSE THE TROUBLE ......................................................

65

12.

HOW TO REPLACE THE MAIN PARTS ...................................................

89

13.

EXPLODED VIEWS AND PARTS LIST .................................................

105

– 2 –

FILE NO. SVM-10020

1. SAFETY PRECAUTIONS

Installing, staring up, and servicing air-conditioning equipment can be hazardous due to system pressures, electrical components, and equipment location (roofs, elevated structures, etc.).

Only trained, qualified installers and service mechanics should install, start-up, and service this equipment.

Untrained personnel can perform basic maintenance functions such as cleaning coils. All other operations should be performed by trained service personnel.

When working on the equipment, observe precautions in the literature and on tags, stickers, and labels attached to the equipment.

Follow all safety codes, Wear safety glasses and work gloves. Keep quenching cloth and fire extinguisher near by when brazing. Use care in handling, rigging, and setting bulky equipment.

Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. Consult local building codes and National Electrical Code (NEC) for special requirements. Recognize safety information. This is the safety-alert symbol ! . When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand these signal words : DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol.

DANGER identifies the most serious hazards which will result in severs personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation.

Before installation, please read these precautions for safety carefully.

Be sure to follow the precautions provided here to avoid safety risks. The symbols and their meanings are shown below. WARNING : It indicates that incorrect use of this unit may cause severe injury or death.

CAUTION : FAILURE TO FOLLOW THIS CAUTION may result in equipment damage or improper operation and personal injury.

CAUTION

New refrigerant air conditioner installation

THIS AIR CONDITIONER USES THE NEW HFC REFRIGERANT (R410A), WHICH DOES NOT DESTROY THE OZONE LAYER.

R410A refrigerant is affected by inpurities such as water and oils because the pressure of R410A refrigerant is approx. 1.6 times of refrigerant R22.

ALSO NEW OILS ARE USED WITH R410A, THUS ALWAYS USE NEW REFRIGERANT PIPING AND DO NOT ALLOW MOISTURE OR DUST TO ENTER THE SYSTEM.

To avoid mixing refrigerant and refrigerant machine oil, the sizes of charging port on the main unit is different than those used on R22 machines and different tools will be required.

EQUIPMENT DAMAGE HAZARD

Failure to follow this caution may result in equipment damage or improper operation.

Do not bury more than 36 in. (914 mm) of refrigerant pipe in the ground. If any section of pipe is buried, there must be a 6 in. (152 mm) vertical rise to the valve connections on the outdoor units. If more than the recommended length is buried, refrigerant may migrate to the cooter buried section during extended periods of system shutdown. This causes refrigerant slugging and could possibly damage the compressor at start-up.

–− 3

FILE NO. SVM-10020

DANGER

FOR USE BY QUALIFIED PERSONS ONLY.

TURN OFF MAIN POWER SUPPLY BEFORE.ATTEMPTING ANY ELECTRICAL WORK. MAKE SURE ALL POWER SWITCHES ARE OFF. FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK.

CONNECT THE CONNECTING CABLE CORRECTLY. IF THE CONNECTING CABLE IS CONNECTED WRONGLY, ELECTRIC PARTS MAY BE DAMAGED.

CHECK THE EARTH WIRE THAT IT IS NOT BROKEN OR DISCONNECTED BEFORE INSTALLATION.

DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS. FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION.

TO PREVENT OVERHEATION THE INDOOR UNIT AND CAUSING A FIRE HAZARD, PLACE THE UNIT WELL AWAY (MORE THAN 2 M) FROM HEAT SOURCES SUCH AS RADIATORS, HEATERS, FURNACE, STOVES, ETC.

WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN, BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT (R410A) WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE. IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT, THE GAS PRESSURE IN THE REFRIGERATION CYCLE BECOMES ABNORMALLY HIGH AND IT RESULTINGLY CAUSES BURST OF THE PIPE AND INJURIES ON PERSONS.

IN THE EVENT THAT THE REFRIGERANT LEAK, DURING INSTALLATION WORK, IMMEDIATELY ALLOW FRESH AIR INTO THE ROOM. IF THE REFRIGERANT GAS IS HEATED BY FIRE OR SOMETHING ELSE, IT CAUSE GENERATION OF POISONOUS GAS.

WARNING

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury or death.

Before installing, modifying, or servicing system, main electrical disconnect switch must be in the OFF position. There may be more than 1 disconnect switch. Lock out and tag switch with a suitable warning label.

Never modify this unit by removing any of the safety guards or bypassing any of the safety interlock switches.

Installation work must be purformed by qualified personnel only.

Specified tools and pipe parts for model R410A are required, and installation work must be done in accordance with the manual. HFC type refrigerant R410A has 1.6 times more pressure than that of conventional refrigerant (R22). Use the specified pipe parts, and ensure correct installation, otherwise damage and/or injury may be caused. At the same time, water leakage, electrical shock, and fire may occur.

Be sure to install the unit in a place which can sufficiently bear its weight. If the load bearing of the unit is not enough, or installation of the unit is improper, the unit may fall and result in injury.

Electrical work must be performed by trained, qualified installers and service mechanics in accordance with the code governing such installation work, internal wiring regulations, and the manual. A dedicated circuit and the rated voltage must be used. Insufficient power supply or improper installation may cause electrical shock or fire.

Use a cabtyre cable to connect wires in the indoor/outdoor units. Midway connection is not allowed. Improper connection or fixing may cause a fire.

Wiring between the indoor unit and outdoor units must be well shaped so that the cover can be firmly placed. Improper cover installation may cause increased heat, fire, or electrical shock at the terminal area.

Be sure to use only approved accessories or the specified parts. Failure to do so may cause the unit to fall, water leakage, fire or electrical shock.

After the installation work. ensure that there is no leakage of refrigerant gas. If the refrigerant gas leaks out of the pipe into the room and is heated by fire or something else from a fanheater, stove or gas range, it causes generation of poisonous gas.

Make sure the equipment is properly grounded. Do not connect the ground wire to a gas pipe, water pipe, lightning conductor, or telephone earth wire. Improper earth work may be the cause of electrical shock.

Do not install the unit where flammable gas may leak. If there is any gas leakage or accumulation around the unit, it can cause a fire.

Do not select a location for installation where there may be excessive water or humidity, such as a bathroom. Deterioration of insulation nay cause electrical shock or fire.

Installation work must be performed following the instructions in this installation manual. Improper installation may cause water leakage, electrical shock or fire. Check the following items before operating the unit.

-Be sure that the pipe connection is well placed and there are no leaks.

-Check that the service valve is open. If the service valve is closed, it may cause overpressure and result in compressor damage. At the same time, if there is a leak in the connection part, it may cause air suction and overpressure, resulting in damage to the unit or injury.

In a pump-down operation, be sure to stop the compressor unit before removing the refrigerant pipe. If removing the refrigerant pipe while the compressor is operating with the service valve opened, it may cause air suction and overpressure, resulting in damage to the unit or injury.

Do not modity the power cable, connect the cable midway, or use a multiple outlet extension cable. Doing so may cause contact failure, insulation failure, or excess current, resulting in fire or electrical shock.

If you detect any damage, do not install the unit. Contact your dealer immediately.

–− 4

FILE NO. SVM-10020

CAUTION

Exposure of unit to water or other moisture before installation could result in electric shock. Do not store it in a wet basement or expose to rain or water.

After unpacking the unit, examine it carefully for possible damage. Report any damages to your distributor.

Do not install in a place that can increase the vibration of the unit. Do not install in a place that can amplify the noise level of the unit or where noise and discharged air might disturb neighbors.

Please read this installation manual carefully before installing the unit. It contains further important instructions for proper installation.

This appliance must be connected to the main power supply by means of a circuit breaker depending on the place where the unit is installed. Failure to do so may cause electrical shock.

Follow the instructions in this installation manual to arrange the drain pipe for proper drainage from the unit. Ensure that drained water is discharged. Improper drainage can result is water leakage, causing water damage to furniture.

Tighten the flare nut with a torque wrench using the prescribed method. Do not apply excess torque. Otherwise, the nut may crack after a long period of usage and it may cause the leakage of refrigerant.

Wear gloves (heavy gloves such as cotton gloves) for installation work. Failure to do so may cause personal injury when handling parts with sharp edges.

Do not touch the air intake section or the aluminum fins of the outdoor unit. It may cause injury.

Do not install the outdoor unit in a place which can be a nest for small animals. Small animals could enter and contact internal electrical parts, causing a failure or fire.

Request the user to keep the place around the unit tidy and clean.

Make sure to conduct a trial operation after the installation work, and explain how to use and maintain the unit to the customer in accordance with the manual. Ask the customer to keep the operation manual along with the installation manual.

–− 5

 

 

 

 

2. SPECIFICATIONS

 

 

FILE NO. SVM-10020

 

 

 

 

 

 

 

 

 

 

2-1. Specifications (RAS-15LKV-UL/RAS-15LAV-UL, RAS-17LKV-UL/RAS-17LAV-UL)

 

 

 

 

 

 

 

 

 

 

 

 

 

Unit model

Indoor

 

 

 

RAS-15LKV-UL

 

RAS-17LKV-UL

 

 

 

 

 

 

 

 

 

 

 

Outdoor

 

 

 

RAS-15LAV-UL

 

RAS-17LAV-UL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cooling capacity

 

 

 

(Btu/h)

 

15000

 

16200

 

 

 

 

 

 

 

 

 

 

Cooling capacity range

 

 

(Btu/h)

2750 - 17050

 

3750 - 20450

 

 

 

 

 

 

 

 

 

 

 

 

Heating capacity

 

 

 

(Btu/h)

 

18000

 

20200

 

 

 

 

 

 

 

 

 

 

Heating capacity range

 

 

(Btu/h)

2750 - 21500

 

2750 - 21500

 

 

 

 

 

 

 

 

 

 

Power supply

 

 

 

 

1Ph, 60Hz, 208V/230V

 

1Ph, 60Hz, 208V/230V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electric

Indoor

Operation mode

 

 

Cooling

 

Heating

 

Cooling

 

Heating

 

 

 

 

 

 

 

 

 

 

 

 

 

 

characteristic

 

Running current

 

(A)

0.32 - 0.29

 

0.32 - 0.29

 

0.32 - 0.29

 

0.32 - 0.29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power consumption

(W)

40

 

40

 

40

 

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power factor

 

(%)

60

 

60

 

60

 

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor

Operation mode

 

 

Cooling

 

Heating

 

Cooling

 

Heating

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Running current

 

(A)

5.43 - 4.91

 

6.65 - 6.01

 

6.13 - 5.51

 

7.78 - 7.01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power consumption

(W)

1110

 

1360

 

1245

 

1590

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power factor

 

(%)

98

 

98

 

98

 

99

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Starting current

 

(A)

5.75 - 5.20

 

6.97 - 6.30

 

6.45 - 5.80

 

8.10 - 7.30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EER (Cooling/Heating)

 

 

(Btu/W.h)

13.00

 

12.80

 

12.60

 

12.40

 

 

 

 

 

 

 

 

 

 

 

 

 

SEER (Btu/W.h) / HSPF (W/W)

 

 

 

 

20.0/9.0

 

19.0/9.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating

Indoor

High

(Cooling/Heating)

(dB-A)

 

44/44

 

47/47

 

 

 

 

 

 

 

 

 

 

 

 

 

noise

 

Medium

(Cooling/Heating)

(dB-A)

 

38/39

 

41/42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low

(Cooling/Heating)

(dB-A)

 

32/32

 

35/35

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor

 

(Cooling/Heating)

(dB-A)

 

51/51

 

52/52

 

 

 

 

 

 

 

 

 

 

 

Indoor unit

Unit model

 

 

 

RAS-15LKV-UL

 

RAS-17LKV-UL

 

 

 

 

 

 

 

 

 

 

 

 

 

Dimension

Height

 

in. (mm)

12-19/32 (320)

 

12-19/32 (320)

 

 

 

 

 

 

 

 

 

 

 

 

Width

 

in. (mm)

41-5/16 (1050)

 

41-5/16 (1050)

 

 

 

 

 

 

 

 

 

 

 

 

Depth

 

in. (mm)

8-15/16 (228)

 

8-15/16 (228)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Net weight

 

 

lbs (kg)

 

29 (13)

 

29 (13)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan motor output

 

 

(W)

 

30

 

30

 

 

 

 

 

 

 

 

 

 

 

 

Air flow rate

 

(Cooling/Heating)

cfm (m3/min)

562 (15.9)/583 (16.5)

 

636 (18.0)/646 (18.3)

 

Outdoor unit

Unit model

 

 

 

RAS-15LAV-UL

 

RAS-17LAV-UL

 

 

 

 

 

 

 

 

 

 

 

 

 

Dimension

Height

 

in. (mm)

21-11/16 (550)

 

21-11/16 (550)

 

 

 

 

 

 

 

 

 

 

 

 

Width

 

in. (mm)

30-11/16 (780)

 

30-11/16 (780)

 

 

 

 

 

 

 

 

 

 

 

 

Depth

 

in. (mm)

11-7/16 (290)

 

11-7/16 (290)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Net weight

 

 

lbs (kg)

 

91 (41)

 

91 (41)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor

Motor output

 

(W)

 

1100

 

1100

 

 

 

 

 

 

 

 

 

 

 

 

 

Type

 

 

Twin rotary type with DC-inverter

 

Twin rotary type with DC-inverter

 

 

 

 

 

variable speed control

 

variable speed control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model

 

 

DA130A1F-27F1

 

DA130A1F-27F1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan motor output

 

 

(W)

 

43

 

43

 

 

 

 

 

 

 

 

 

 

 

 

Air flow rate

 

(Cooling/Heating)

cfm (m3/min)

1282 (36.3)/1127 (31.9)

 

1636 (38.6)/1127 (31.9)

 

Piping

Type

 

 

 

Flare connection

 

Flare connection

 

 

 

 

 

 

 

 

 

 

 

 

connection

Indoor unit

Liquid side

 

in. (mm)

1/4 ( 6.35)

 

1/4 ( 6.35)

 

 

 

Gas side

 

in. (mm)

1/2 ( 12.70)

 

1/2 ( 12.70)

 

 

Outdoor unit

Liquid side

 

in. (mm)

1/4 ( 6.35)

 

1/4 ( 6.35)

 

 

 

Gas side

 

in. (mm)

1/2 ( 12.70)

 

1/2 ( 12.70)

 

 

Maximum length

 

 

ft. (m)

 

66 (20)

 

66 (20)

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum chargeless length

 

ft. (m)

 

49 (15)

 

49 (15)

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum height difference

 

ft. (m)

 

33 (10)

 

33 (10)

 

 

 

 

 

 

 

 

 

 

 

 

 

Refrigerant

Name of refrigerant

 

 

 

 

R410A

 

R410A

 

 

 

 

 

 

 

 

 

 

 

 

Weight

 

 

lbs (kg)

3.09 (1.40)

 

3.09 (1.40)

 

 

 

 

 

 

 

 

 

 

Wiring

Power supply

 

 

 

3Wires:includes earth (Outdoor)

 

3Wires:includes earth (Outdoor)

 

 

 

 

 

 

 

 

 

 

connection

Interconnection

 

 

 

4Wires:includes earth

 

4Wires:includes earth

 

 

 

 

 

 

 

 

 

 

 

 

 

Usable temperature range

Indoor

(Cooling/Heating)

°F (°C)

 

70°F-90°F (21°C-32°C)/ 32°F-82°F (0°C-28°C)

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor

(Cooling/Heating)

°F (°C)

 

14°F-115°F (-10°C-46°C) / 5°F-75°F (-15°C-24°C)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* The specifications may be subject to change without notice for purpose of improvement.

–− 6

 

 

 

 

 

 

FILE NO. SVM-10020

(RAS-22LKV-UL/RAS-22LAV-UL)

 

 

 

 

 

 

 

 

 

 

 

 

 

Unit model

Indoor

 

 

 

 

RAS-22LKV-UL

 

 

 

 

 

 

 

 

Outdoor

 

 

 

 

RAS-22LAV-UL

 

 

 

 

 

 

 

 

Cooling capacity

 

 

 

(Btu/h)

 

21400

 

 

 

 

 

 

Cooling capacity range

 

 

(Btu/h)

 

4100-22500

 

 

 

 

 

 

 

Heating capacity

 

 

 

(Btu/h)

 

23200

 

 

 

 

 

 

Heating capacity range

 

 

(Btu/h)

 

3450-24350

 

 

 

 

 

 

 

Power supply

 

 

 

 

 

1Ph, 60Hz, 208V/230V

 

 

 

 

 

 

 

 

Electric

Indoor

Operation mode

 

 

Cooling

 

Heating

 

 

 

 

 

 

 

 

characteristic

 

Running current

 

(A)

0.40-0.36

 

0.40-0.36

 

 

 

 

 

 

 

 

 

Power consumption

(W)

50

 

50

 

 

 

 

 

 

 

 

 

 

Power factor

 

(%)

60

 

60

 

 

 

 

 

 

 

 

 

Outdoor

Operation mode

 

 

Cooling

 

Heating

 

 

 

 

 

 

 

 

 

 

Running current

 

(A)

12.40-11.14

 

10.50-9.54

 

 

 

 

 

 

 

 

 

Power consumption

(W)

2520

 

2150

 

 

 

 

 

 

 

 

 

 

Power factor

 

(%)

98

 

98

 

 

 

 

 

 

 

 

 

 

Starting current

 

(A)

12.80-11.50

 

10.90-9.90

 

 

 

 

 

 

 

 

EER (Cooling/Heating)

 

 

(Btu/W.h)

8.30

 

10.50

 

 

 

 

 

 

 

SEER (Btu/W.h) / HSPF (W/W)

 

 

 

 

15.5/90

 

 

 

 

 

 

 

 

Operating

Indoor

High

(Cooling/Heating)

(dB-A)

 

47/47

 

 

 

 

 

 

 

noise

 

Medium

(Cooling/Heating)

(dB-A)

 

41/42

 

 

 

 

 

 

 

 

 

Low

(Cooling/Heating)

(dB-A)

 

35/35

 

 

 

 

 

 

 

 

 

Outdoor

 

(Cooling/Heating)

(dB-A)

 

53/53

 

 

 

 

 

 

 

Indoor unit

Unit model

 

 

 

 

RAS-22LKV-UL

 

 

 

 

 

 

 

 

 

Dimension

Height

 

in. (mm)

 

12-19/32 (320)

 

 

 

 

 

 

 

 

 

Width

 

in. (mm)

 

41-5/16 (1050)

 

 

 

 

 

 

 

 

 

Depth

 

in. (mm)

 

8-15/16 (228)

 

 

 

 

 

 

 

 

 

Net weight

 

 

lbs (kg)

 

29 (13)

 

 

 

 

 

 

 

 

Fan motor output

 

 

(W)

 

30

 

 

 

 

 

 

 

 

Air flow rate

 

(Cooling/Heating)

cfm (m3/min)

 

636 (18.0)/646 (18.3)

Outdoor unit

Unit model

 

 

 

 

RAS-22LAV-UL

 

 

 

 

 

 

 

 

 

Dimension

Height

 

in. (mm)

 

21-11/16 (550)

 

 

 

 

 

 

 

 

 

Width

 

in. (mm)

 

30-11/16 (780)

 

 

 

 

 

 

 

 

 

Depth

 

in. (mm)

 

11-7/16 (290)

 

 

 

 

 

 

 

 

 

Net weight

 

 

lbs (kg)

 

93 (42)

 

 

 

 

 

 

 

 

 

Compressor

Motor output

 

(W)

 

1100

 

 

 

 

 

 

 

 

Type

 

 

Twin rotary type with DC-inverter variable speed control

 

 

 

 

 

 

 

 

 

Model

 

 

 

DA150A1F-20F1

 

 

 

 

 

 

 

 

 

Fan motor output

 

 

(W)

 

43

 

 

 

 

 

 

 

 

Air flow rate

 

(Cooling/Heating)

cfm (m3/min)

 

1636 (38.6)/1314 (37.2)

Piping

Type

 

 

 

 

Flare connection

 

 

 

 

 

 

 

 

connection

Indoor unit

Liquid side

 

in. (mm)

 

1/4 ( 6.35)

 

 

Gas side

 

in. (mm)

 

1/2 ( 12.70)

 

Outdoor unit

Liquid side

 

in. (mm)

 

1/4 ( 6.35)

 

 

Gas side

 

in. (mm)

 

1/2 ( 12.70)

 

Maximum length

 

 

ft. (m)

 

66 (20)

 

 

 

 

 

 

 

Maximum chargeless length

 

ft. (m)

 

49 (15)

 

 

 

 

 

 

 

Maximum height difference

 

ft. (m)

 

33 (10)

 

 

 

 

 

 

 

Refrigerant

Name of refrigerant

 

 

 

 

R410A

 

 

 

 

 

 

 

 

Weight

 

 

lbs (kg)

 

3.09 (1.40)

 

 

 

 

 

 

Wiring

Power supply

 

 

 

3Wires:includes earth (Outdoor)

 

 

 

 

 

 

 

connection

Interconnection

 

 

 

 

4Wires:includes earth

 

 

 

 

 

 

 

Usable temperature range

Indoor

(Cooling/Heating)

°F (°C)

70°F-90°F (21°C-32°C)/ 32°F-82°F (0°C-28°C)

 

 

 

 

 

 

 

 

Outdoor

(Cooling/Heating)

°F (°C)

14°F-115°F (-10°C-46°C) / 5°F-75°F (-15°C-24°C)

 

 

 

 

 

 

 

 

* The specifications may be subject to change without notice for purpose of improvement.

–− 7

2-2. Operation Characteristic Curve

<Cooling>

 

13.00

 

 

12.00

RAS-22LKV-UL

 

 

 

11.00

 

 

10.00

 

 

9.00

RAS-17LKV-UL

 

 

 

8.00

 

(A)

7.00

RAS-15LKV-UL

Current

 

6.00

 

 

5.00

 

4.00

3.00

2.00

1.00

0.00

0

10

20

30

40

50

60

70

80

90

100

110

120

Compressor Speed (RPS)

FILE NO. SVM-10020

<Heating>

13.00

12.00

 

11.00

 

 

10.00

RAS-22LKV-UL

 

 

 

9.00

RAS-15LKV-UL

 

 

 

8.00

 

(A)

7.00

RAS-17LKV-UL

Current

6.00

 

 

 

 

5.00

 

4.00

3.00

2.00

1.00

0.00

0

10

20

30

40

50

60

70

80

90

100

110

120

Compressor Speed (RPS)

2-3. Capacity Variation Ratio According to Temperature

<Cooling>

 

105

 

 

100

 

 

95

 

 

90

 

 

 

RAS-15LKV-UL

(%)

85

RAS-17LKV-UL

 

RAS-22LKV-UL

Ratio

80

 

 

 

Capacity

75

 

70

Condition

 

 

 

65

Indoor: DB80°F/WB67°F

 

(DB26.7°C/WB19.4°C)

 

 

Indoor Air-Flow Volume: High

 

 

Pipe Length: 25 ft (7.5m)

 

60

 

 

 

Capacity Ratio: 100% =

 

55

15000 Btu/h (RAS-15LKV-UL)

 

16200 Btu/h (RAS-17LKV-UL)

 

 

 

 

21400 Btu/h (RAS-22LKV-UL)

 

50

32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

 

 

Outdoor Temperature (°C)

<Heating>

 

 

 

 

 

120

 

 

 

 

 

100

 

 

 

 

 

 

 

RAS-15LKV-UL

 

 

80

 

RAS-17LKV-UL

 

 

 

RAS-22LKV-UL

 

 

Ratio (%)

 

 

 

 

 

60

 

 

 

 

 

Capacity

Condition

 

 

 

40

 

 

 

 

Indoor: DB70°F/WB60°F

 

 

 

 

 

(DB21.1°C/WB15.6°C)

 

 

 

Indoor Air-Flow Volume: High

 

 

 

Pipe Length: 25 ft (7.5m)

 

 

 

20

Capacity Ratio: 100% =

 

 

 

 

 

 

 

 

18000 Btu/h (RAS-15LKV-UL)

 

 

 

20200 Btu/h (RAS-17LKV-UL)

 

 

 

23200 Btu/h (RAS-22LKV-UL)

 

 

0

 

 

 

 

 

–15

–10

–5

0

5

10

Outdoor Temperature (°C)

– 8 –

FILE NO. SVM-10020

3. REFRIGERANT R410A

This air conditioner adopts the new refrigerant HFC (R410A) which does not damage the ozone layer.

The working pressure of the new refrigerant R410A is 1.6 times higher than conventional refrigerant (R22). The refrigerating oil is also changed in accordance with change of refrigerant, so be careful that water, dust, and existing refrigerant or refrigerating oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time.

The next section describes the precautions for air conditioner using the new refrigerant. Conforming to contents of the next section together with the general cautions included in this manual, perform the correct and safe work.

3-1. Safety During Installation/Servicing

As R410A’s pressure is about 1.6 times higher than that of R22, improper installation/servicing may cause a serious trouble. By using tools and materials exclusive for R410A, it is necessary to carry out installation/servicing safely while taking the following precautions into consideration.

1.Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A.

If other refrigerant than R410A is mixed, pressure in the refrigeration cycle becomes abnormally high, and it may cause personal injury, etc. by a rupture.

2.Confirm the used refrigerant name, and use tools and materials exclusive for the refrigerant R410A.

The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air conditioner using R410A as refrigerant. To prevent mischarging, the diameter of the service port differs from that of R22.

3.If a refrigeration gas leakage occurs during installation/servicing, be sure to ventilate fully.

If the refrigerant gas comes into contact with fire, a poisonous gas may occur.

4.When installing or removing an air conditioner, do not allow air or moisture to remain in the refrigeration cycle. Otherwise, pressure in the refrigeration cycle may become abnormally high so that a rupture or personal injury may be caused.

5.After completion of installation work, check to make sure that there is no refrigeration gas leakage.

If the refrigerant gas leaks into the room, coming into contact with fire in the fan-driven heater, space heater, etc., a poisonous gas may occur.

6.When an air conditioning system charged with a large volume of refrigerant is installed in a small room, it is necessary to exercise care so that, even when refrigerant leaks, its concentration does not exceed the marginal level.

If the refrigerant gas leakage occurs and its concentration exceeds the marginal level, an oxygen starvation accident may result.

7.Be sure to carry out installation or removal according to the installation manual.

Improper installation may cause refrigeration trouble, water leakage, electric shock, fire, etc.

8.Unauthorized modifications to the air conditioner may be dangerous. If a breakdown occurs please call a qualified air conditioner technician or electrician.

Improper repair’s may result in water leakage, electric shock and fire, etc.

3-2. Refrigerant Piping Installation

3-2-1. Piping Materials and Joints Used

For the refrigerant piping installation, copper pipes and joints are mainly used. Copper pipes and joints suitable for the refrigerant must be chosen and installed. Furthermore, it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants.

1.Copper Pipes

It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg/10 m. Do not use copper pipes having a collapsed, deformed or discolored portion (especially on the interior surface).

Otherwise, the expansion valve or capillary tube may become blocked with contaminants.

As an air conditioner using R410A incurs pressure higher than when using R22, it is necessary to choose adequate materials.

Thicknesses of copper pipes used with R410A are as shown in Table 3-2-1. Never use copper pipes thinner than 0.0315 in. (0.8 mm) even when it is available on the market.

– 9 –

 

 

 

 

 

FILE NO. SVM-10020

 

Table 3-2-1 Thicknesses of annealed copper pipes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thickness in. (mm)

 

 

 

 

 

 

 

 

Nominal diameter (in.)

 

Outer diameter (mm)

R410A

 

R22

 

 

 

 

 

 

 

 

 

1/4

 

6.35

0.0315

(0.80)

 

0.0315 (0.80)

 

 

 

 

 

 

 

 

3/8

 

9.52

0.0315 (0.80)

 

0.0315 (0.80)

 

 

 

 

 

 

 

 

1/2

 

12.70

0.0315 (0.80)

 

0.0315 (0.80)

 

 

 

 

 

 

 

 

 

2.Joints

For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants.

a)Flare Joints

Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm. In such a case, socket joints can be used.

Sizes of flare pipe ends, flare joint ends and flare nuts are as shown in Tables 3-2-3 to 3-2-6 below.

b)Socket Joints

Socket joints are such that they are brazed for connections, and used mainly for thick pipings whose diameter is larger than 0.7874 in. (20 mm).

Thicknesses of socket joints are as shown in Table 3-2-2.

Table 3-2-2 Minimum thicknesses of socket joints

Nominal diameter (in)

Reference outer diameter of

Minimum joint thickness

copper pipe jointed (mm)

in. (mm)

 

 

 

 

1/4

6.35

0.0197 (0.50)

 

 

 

3/8

9.52

0.0236 (0.60)

 

 

 

1/2

12.70

0.0276 (0.70)

 

 

 

3-2-2. Processing of Piping Materials

When performing the refrigerant piping installation, care should be taken to ensure that water or dust does not enter the pipe interior, that no other oil than lubricating oils used in the installed air-water heat pump is used, and that refrigerant does not leak. When using lubricating oils in the piping processing, use such lubricating oils whose water content has been removed. When stored, be sure to seal the container with an airtight cap or any other cover.

1.Flare processing procedures and precautions

a)Cutting the Pipe

By means of a pipe cutter, slowly cut the pipe so that it is not deformed.

b)Removing Burrs and Chips

If the flared section has chips or burrs, refrigerant leakage may occur. Carefully remove all burrs and clean the cut surface before installation.

c)Insertion of Flare Nut

– 10 –

FILE NO. SVM-10020

d) Flare Processing

Make certain that a clamp bar and copper pipe have been cleaned.

By means of the clamp bar, perform the flare processing correctly.

Use either a flare tool for R410A or conventional flare tool.

Flare processing dimensions differ according to the type of flare tool. When using a conventional flare tool, be sure to secure “dimension A” by using a gauge for size adjustment.

ØD

A

Fig. 3-2-1 Flare processing dimensions

Table 3-2-3 Dimensions related to flare processing for R410A

 

Outer

 

 

 

A in. (mm)

 

 

 

 

 

 

 

Nominal

Thickness

 

 

 

diameter

Flare tool for R410A

Conventional flare tool

diameter

in. (mm)

(mm)

 

 

in.

 

 

clutch type

Clutch type

Wing nut type

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/4

6.35

0.0315 (0.8)

 

0 to 0.0197 (0 to 0.5)

0.0394 to 0.0591

0.0591 to 0.0787

 

(1.0 to 1.5)

(1.5 to 2.0)

 

 

 

 

 

3/8

9.52

0.0315 (0.8)

 

0 to 0.0197 (0 to 0.5)

0.0394 to 0.0591

0.0591 to 0.0787

 

(1.0 to 1.5)

(1.5 to 2.0)

 

 

 

 

 

1/2

12.70

0.0315 (0.8)

 

0 to 0.0197 (0 to 0.5)

0.0394 to 0.0591

0.07874 to 0.0984

 

(1.0 to 1.5)

(2.0 to 2.5)

 

 

 

 

 

Table 3-2-4 Dimensions related to flare processingf or R22

 

 

Outer

 

 

 

 

 

 

 

A in. (mm)

 

 

Nominal

 

 

Thickness

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Conventional flare tool

 

diameter

 

 

Flare tool for R22

 

diameter

 

 

in. (mm)

 

 

 

(mm)

 

 

 

 

 

 

 

 

in.

 

 

 

 

 

clutch type

 

Clutch type

 

 

Wing nut type

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/4

 

6.35

 

0.0315 (0.8)

 

0 to 0.0197 (0 to 0.5)

 

0.0197 to 0.0394

 

0.0394 to 0.0591

 

 

 

 

(0.5 to 1.0)

 

 

(1.0 to 1.5)

 

 

 

 

 

 

 

 

 

 

 

 

3/8

 

9.52

 

0.0315 (0.8)

 

0 to 0.0197 (0 to 0.5)

 

0.0197 to 0.0394

 

0.0394 to 0.0591

 

 

 

 

(0.5 to 1.0)

 

 

(1.0 to 1.5)

 

 

 

 

 

 

 

 

 

 

 

 

1/2

 

12.70

 

0.0315 (0.8)

 

0 to 0.0197 (0 to 0.5)

 

0.0197 to 0.0394

 

0.0591 to 0.0787

 

 

 

 

(0.5 to 1.0)

 

 

(1.5 to 2.0)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 3-2-5 Flare and flare nut dimensions for R410A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nominal

Outer diameter

 

Thic kness

 

 

 

Dimension

in. (mm)

 

 

 

Flare nut width

diameter

 

 

 

 

 

 

 

 

 

 

 

(mm)

 

in. (mm)

 

 

A

B

 

C

D

 

in. (mm)

in.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/4

6.35

0.0315 (0.8)

 

0.358 (9.1)

0.362 (9.2)

0.256 (6.5)

0.512 (13)

0.669 (17)

 

 

 

 

 

 

 

 

 

3/8

9.52

0.0315 (0.8)

 

0.520 (13.2)

0.531 (13.5)

0.382 (9.7)

0.787 (20)

0.866 (22)

 

 

 

 

 

 

 

 

 

 

1/2

12.70

0.0315 (0.8)

 

0.653 (16.6)

0.630 (16.0)

0.508 (12.9)

0.906 (23)

 

1.024 (26)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

– 11 –

 

 

 

 

 

 

FILE NO. SVM-10020

 

Table 3-2-6 Flare and flare nut dimensions for R22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nominal

Outer diameter

Thic kness

 

Dimension

in. (mm)

 

 

Flare nut width

 

diameter

(mm)

in. (mm)

 

 

 

 

 

in. (mm)

 

A

B

C

D

 

 

in.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/4

6.35

0.0315 (0.8)

0.354 (9.0)

0.362 (9.2)

0.256 (6.5)

0.512

(13)

0.669 (17)

 

 

 

 

 

 

 

 

 

 

 

3/8

9.52

0.0315 (0.8)

0.512 (13.0)

0.531 (13.5)

0.382 (9.7)

0.787

(20)

0.866 (22)

 

 

 

 

 

 

 

 

 

 

 

1/2

12.70

0.0315 (0.8)

0.638 (16.2)

0.630 (16.0)

0.508 (12.9)

0.787

(20)

0.945 (24)

 

 

 

 

 

 

 

 

 

 

 

to

46˚

45˚

 

 

 

 

 

B A

C D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

43˚

to

 

 

 

 

 

 

 

45˚

Fig. 3-2-2 Relations between flare nut and flare seal surface

2.Flare Connecting Procedures and Precautions

a)Make sure that the flare and union portions do not have any scar or dust, etc.

b)Correctly align the processed flare surface with the union axis.

c)Tighten the flare with designated torque by means of a torque wrench. The tightening torque for R410A is the same as that for conventional R22. Incidentally, when the torque is weak, the gas leakage may occur.

When it is strong, the flare nut may crack and may be made non-removable. When choosing the tightening torque, comply with values designated by manufacturers. Table 3-2-7 shows reference values.

NOTE :

When applying oil to the flare surface, be sure to use oil designated by the manufacturer.

If any other oil is used, the lubricating oils may deteriorate and cause the compressor to burn out.

Table 3-2-7 Tightening torque of flare for R410A [Reference values]

Nominal

Outer diameter

Tightening torque

Tightening torque of torque

wrenches available on the market

diameter

(mm)

lbf.ft (N•m)

lbf.ft (N•m)

in.

 

 

 

 

 

 

 

 

 

1/4

6.35

10 to 13 (14 to 18)

12 (16), 13 (18)

 

 

 

 

3/8

9.52

24 to 31 (33 to 42)

31 (42)

 

 

 

 

1/2

12.70

37 to 46 (50 to 62)

41 (55)

 

 

 

 

 

 

 

 

– 12 –

FILE NO. SVM-10020

3-3. Tools

3-3-1. Required Tools

The service port diameter of packed valve of the outdoor unit in the air-water heat pump using R410A is changed to prevent mixing of other refrigerant. To reinforce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (For 1/2 Ø12.7 copper pipe) of the refrigerant piping are lengthened.

The used refrigerating oil is changed, and mixing of oil may cause a trouble such as generation of sludge, clogging of capillary, etc. Accordingly, the tools to be used are classified into the following three types.

1.Tools exclusive for R410A (Those which cannot be used for conventional refrigerant (R22))

2.Tools exclusive for R410A, but can be also used for conventional refrigerant (R22)

3.Tools commonly used for R410A and for conventional refrigerant (R22)

The table below shows the tools exclusive for R410A and their interchangeability.

Tools exclusive for R410A (The following tools for R410A are required.)

Tools whose specifications are changed for R410A and their interchangeability

 

 

 

R410A

Conventional air-water

 

 

 

air-water heat pump installation

heat pump installation

No.

Used tool

Usage

 

 

 

Existence of

Whether conven-

Whether new equipment

 

 

 

 

 

 

new equipment

tional equipment

can be used with

 

 

 

for R410A

can be used

conventional refrigerant

 

 

 

 

 

 

1

Flare tool

Pipe flaring

Yes

*(Note 1)

¡

 

 

 

 

 

 

 

Copper pipe gauge for

Flaring by

 

*(Note 1)

*(Note 1)

2

adjusting projection

Yes

conventional flare tool

 

margin

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

Torque wrench

Connection of flare nut

Yes

×

×

[(For Ø1/2 in. (12.7mm)]

 

 

 

 

 

 

4

Gauge manifold

Evacuating, refrigerant

Yes

×

×

 

 

5

Charge hose

charge, run check, etc.

 

 

 

 

 

 

 

 

 

 

6

Vacuum pump adapter

Vacuum evacuating

Yes

×

¡

7

Electronic balance for

Refrigerant charge

Yes

×

¡

refrigerant charging

 

 

 

 

 

 

8

Refrigerant cylinder

Refrigerant charge

Yes

×

×

9

Leakage detector

Gas leakage check

Yes

×

¡

10

Charging cylinder

Refrigerant charge

(Note 2)

×

×

(Note 1) When flaring is carried out for R410A using the conventional flare tools, adjustment of projection margin is necessary. For this adjustment, a copper pipe gauge, etc. are necessary.

(Note 2) Charging cylinder for R410A is being currently developed.

General tools (Conventional tools can be used.)

In addition to the above exclusive tools, the following equipments which serve also for R22 are necessary as the general tools.

1.Vacuum pump

Use vacuum pump by attaching vacuum pump adapter.

2.Torque wrench [For Ø1/4, Ø3/8 in.

( 6.35, 9.52mm)] 3. Pipe cutter

4.

Reamer

9.

Hole core drill [Ø2-9/16 in. (65mm)]

5.

Pipe bender

10.

Hexagon wrench

6.

Level vial

 

 

[Opposite side 3/16 in. (4mm)]

7.

Screwdriver (+, –)

11. Tape measure

 

 

 

8.

Spanner or Monkey wrench

12. Metal saw

Also prepare the following equipments for other installation method and run check.

1.

Clamp meter

3.

Insulation resistance tester

2.

Thermometer

4.

Electroscope

– 13 –

FILE NO. SVM-10020

3-4. Recharging of Refrigerant

When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the following steps.

Recover the refrigerant, and check no refrigerant remains in the equipment.

Connect the charge hose to packed valve service port at the outdoor unit’s gas side.

Connect the charge hose to the vacuum pump adapter.

Open fully both packed valves at liquid and gas sides.

Place the handle of the gauge manifold Low in the fully opened position, and turn on the vacuum pump’s power switch. Then, evacuating the refrigerant in the cycle.

When the compound gauge’s pointer has indicated

147 Psi (–0.1 Mpa) or 29.9 inHg (–76 cmHg), place the handle Low in the fully closed position, and turn off the vacuum pump's power switch.

Keep the status as it is for 1 to 2 minutes, and ensure that the compound gauge’s pointer does not return.

Set the refrigerant cylinder to the electronic balance, connect the connecting hose to the cylinder and the connecting port of the electronic balance, and charge liquid refrigerant.

(For refrigerant charging, see the figure below.)

1.Never charge refrigerant exceeding the specified amount.

2.If the specified amount of refrigerant cannot be charged, charge refrigerant bit by bit in COOL mode.

3.Do not carry out additional charging.

When additional charging is carried out if refrigerant leaks, the refrigerant composition changes in the refrigeration cycle, that is characteristics of the air conditioner changes, refrigerant exceeding the specified amount is charged, and working pressure in the refrigeration cycle becomes abnormally high pressure, and may cause a rupture or personal injury.

(Indoor Unit)

(Outdoor unit)

 

 

Opened

Refrigerant cylinder

 

(with siphon)

 

Check valve

Opened

 

Opened

 

Open/close

Closed

valve for charging

 

 

Service port

Electronic balance for refrigerant charging

 

Fig. 3-4-1 Configuration of refrigerant charging

– 14 –

FILE NO. SVM-10020

1.Be sure to make setting so that liquid can be charged.

2.When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down.

It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant. Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment, charge it turning the cylinder upside down if cylinder is not equipped with siphon.

[ Cylinder with siphon ]

[ Cylinder without siphon ]

Gauge manifold

Gauge manifold

OUTDOOR unit

OUTDOOR unit

Refrigerant

cylinder

Electronic

balance

R410A refrigerant is HFC mixed refrigerant. Therefore, if it is charged with gas, the composition of the charged refrigerant changes and the characteristics of the equipment varies.

cylinder Refrigerant

Electronic

balance

Siphon

Fig. 3-4-2

3-5. Brazing of Pipes

3-5-1. Materials for Brazing

1.Silver brazing filler

Silver brazing filler is an alloy mainly composed of silver and copper. It is used to join iron, copper or copper alloy, and is relatively expensive though it excels in solderability.

2.Phosphor bronze brazing filler

Phosphor bronze brazing filler is generally used to join copper or copper alloy.

3.Low temperature brazing filler

Low temperature brazing filler is generally called solder, and is an alloy of tin and lead. Since it is weak in adhesive strength, do not use it for refrigerant pipes.

1.Phosphor bronze brazing filler tends to react with sulfur and produce a fragile compound water solution, which may cause a gas leakage. Therefore, use any other type of brazing filler at a hot spring resort, etc., and coat the surface with a paint.

2.When performing brazing again at time of servicing, use the same type of brazing filler.

3-5-2. Flux

1.Reason why flux is necessary

By removing the oxide film and any foreign matter on the metal surface, it assists the flow of brazing filler.

In the brazing process, it prevents the metal surface from being oxidized.

By reducing the brazing filler’s surface tension, the brazing filler adheres better to the treated metal.

– 15 –

2.Characteristics required for flux

Activated temperature of flux coincides with the brazing temperature.

Due to a wide effective temperature range, flux is hard to carbonize.

It is easy to remove slag after brazing.

The corrosive action to the treated metal and brazing filler is minimum.

It excels in coating performance and is harmless to the human body.

As the flux works in a complicated manner as described above, it is necessary to select an adequate type of flux according to the type and shape of treated metal, type of brazing filler and brazing method, etc.

3.Types of flux

Noncorrosive flux

Generally, it is a compound of borax and boric acid.

It is effective in case where the brazing temperature is higher than 1472°F (800°C).

Activated flux

Most of fluxes generally used for silver brazing are this type.

It features an increased oxide film removing capability due to the addition of compounds such as potassium fluoride, potassium chloride and sodium fluoride to the borax-boric acid compound.

4.Piping materials for brazing and used brazing filler/flux

Piping material

Used brazing filler

Used flux

 

 

 

Copper - Copper

Phosphor copper

Do not use

 

 

 

Copper - Iron

Silver

Paste flux

 

 

 

Iron - Iron

Silver

Vapor flux

 

 

 

1.Do not enter flux into the refrigeration cycle.

2.When chlorine contained in the flux remains within the pipe, the lubricating oil deteriorates. Therefore, use a flux which does not contain chlorine.

3.When adding water to the flux, use water which does not contain chlorine (e.g. distilled water or ion-exchange water).

4.Remove the flux after brazing.

FILE NO. SVM-10020

3-5-3. Brazing

As brazing work requires sophisticated techniques, experiences based upon a theoretical knowledge, it must be performed by a person qualified.

In order to prevent the oxide film from occurring in the pipe interior during brazing, it is effective to proceed with brazing while letting dry Nitrogen gas (N2) flow.

Never use gas other than Nitrogen gas.

1.Brazing method to prevent oxidation

1)Attach a reducing valve and a flow-meter to the Nitrogen gas cylinder.

2)Use a copper pipe to direct the piping material, and attach a flow-meter to the cylinder.

3)Apply a seal onto the clearance between the piping material and inserted copper pipe for Nitrogen in order to prevent backflow of the Nitrogen gas.

4)When the Nitrogen gas is flowing, be sure to keep the piping end open.

5)Adjust the flow rate of Nitrogen gas so that it

is lower than 0.03 cfm (0.05 m3/Hr) or 2.9 psi (0.02 MPa) (0.2kgf/cm2) by means of the reducing valve.

6)After performing the steps above, keep the Nitrogen gas flowing until the pipe cools down to a certain extent (temperature at which pipes are touchable with hands).

7)Remove the flux completely after brazing.

M Flow meter

Stop valve

Nitrogen gas cylinder

From Nitrogen cylinder

Pipe Nitrogen gas

Rubber plug

Fig. 3-5-1 Prevention of oxidation during brazing

– 16 –

4. CONSTRUCTION VIEWS

FILE NO. SVM-10020

4-1. Indoor Unit

41-5/16(1050)

Grille Inlet

 

Heat exchanger

 

 

 

Air inlet

 

Air Þlter

Front panel

 

 

 

 

8-15/16(228)

Knockout for leftward

 

 

 

 

 

piping

 

 

 

 

 

2-7/8(73.5)

 

12-19/32(320)

 

 

 

9/32(7)

1-15/16(50)

 

 

Air outlet

1-15/16(50)

 

 

 

 

 

 

 

 

 

 

 

1-15/16(50)

 

 

2"(50)

 

3-1/16(78)

2-13/16(72)

2-13/16(72)

3-1/16(78)

Knockout for bottom leftward piping

 

 

Knockout for bottom rightward piping

 

 

 

 

Installation plate hanger

2-3/16(56)

Unit : Inch (mm)

Knockout for rightward piping

9/32(7) 2-7/8(73.5)

6-3/4(157)

3/4(19)

Conduit hole (Ø7/8(22) hole)

10.9"(278)

7.9"(200)

8.7"(222)

7.9"(200)

Wireless remote controller

5.9"(150)

5.2"(132)

 

 

 

4-29/32(125)

 

 

 

 

Drain hose (19-11/16(0.5m))

20.7"(525)

2-15/32(63)

31/32(26)

Hanger

 

Hanger

 

 

 

 

 

Connecting pipe (19-9/32(0.49m)) Remote controller holder

Connecting pipe (15-5/16(0.39m))

 

 

Flare Ø1/2(12.70)

 

 

(Flare Ø1/4(6.35))

 

3-11/32(85)

30-15/16(786)

1(23)

 

 

9-1/4(235)

9-1/4(235)

 

 

8-7/16(215)

Hanger

19/32(320)-12

9/16(40)-

Minimum

 

distance

 

 

 

 

to wall

 

 

 

6-11/16(170)or more

 

 

1

 

 

 

 

 

 

2

 

 

 

 

-

 

 

 

 

9/16(65)

Hanger

 

 

 

 

1-9/16(47)

8-15/32(215.5)

10-5/16(262.5)

8-7/16(215)

 

For stud bold (Ø2-1/4(6))

 

more

 

Minimum

 

 

9/16(65)or

 

For stud bold (Ø5/16(8)~Ø13/32(10))

distance

 

to wall

 

 

2-

 

 

 

 

 

Outline of indoor unit

 

 

 

Minimum

 

 

 

distance

 

 

 

to wall

 

 

 

6-11/16(170)or more

 

 

 

19/16(40)-

 

 

 

2

Center line

Hanger

-

16(

 

 

 

9/

 

 

 

65)

10-5/16(262.5)

6-1/32(154)

4-9/32(109)

Installation plate outline

– 17 –

Toshiba RAS-22LAV-UL, RAS-17LKV-UL, RAS-15LKV-UL, RAS-17LAV-UL, RAS-15LAV-UL User Manual

FILE NO. SVM-10020

4-2. Outdoor Unit

 

1 ( 25) Water Drain Outlet

4-1/4 (108)

4-15/16 (125)

1-31/32 (50)

23-5/8 (600)

 

 

A

 

 

R19/32

 

 

 

 

 

1-27/64 (36)

 

 

 

 

 

(R15)

 

 

 

 

 

(320)19/32-12 (306)3/64-12

 

(320)

3/8-3 (86)

 

 

9/16-4(116)

R7/32

12-19/32

 

 

 

(R5.5)

 

 

 

 

 

(

1/4 Hole

 

 

 

 

 

6) Hole

 

 

 

 

B

Detail-A (Rear Leg)

 

 

 

 

 

 

 

 

 

 

17-5/32 (

436)

WIRE GUARD

 

12-19/32 (320) 12-3/64 (306)

Unit : Inch (mm)

 

1/4-Hole

 

( 6)-Hole

R19/32 (R15)

1-27/64 (36)

7/16x9/16 Oval-Hole

1-31/32 (50)

( 11x14) Oval Hole

23-5/8 (600)

 

Detail-B (Front Leg)

 

COVER

 

PACKED VALVE

(550)

 

21-11/16

(275)

 

10-7/8

View Z

11-7/16 (290)

3-17/32 (90)

View Z

3-15/16 Or more

(100 mm or more)

12-19/32 (320)

23-5/8 (600)

3-17/32 (90)

2-23/32 (69)

-9/16 (141)

2-3/32 (53)

5

 

 

(88)

 

3-15/32

23-5/8 (600)

Air Inlet 3-15/16 Inch or more (100 mm. or more)

Air Outlet

23-5/8 Inch or more

(600 mm. or more)

13-1/2 (342)

Liquid side

(Flare Nut : 1/4 (6.35))

Gas side

(Model 15,17,22k Flare Nut : 1/2 (12.7))

Service Port

2-R7/32x43/64L (R5.5x17L) U-Shape

(For 5/16~13/32 (8~10) Anchor Bolt)

23-5/8 Or more

(600 mm or more)

2-

7/16x9/16 ( 11x14) Oval-Hole

(For

5/16~ 13/32 ( 8~ 10) Anchor Bolt)

– 18 –

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FILE NO. SVM-10020

 

 

 

 

 

5. WIRING DIAGRAM

 

 

 

 

 

 

 

COMPRESSOR

 

 

 

 

 

 

 

 

 

 

 

 

CN300

 

 

 

 

 

CM

1 1

RED

P04

 

 

 

 

 

 

 

 

 

 

 

3 3

BLK

FM

2 2

WHI

P05

Q200~205

 

 

 

 

 

Q300~305

 

 

 

2 2

WHI

BLK

P06

 

 

 

 

 

 

 

 

RED

 

3 3

 

 

IGBT

 

 

P.C.BOARD

 

MOS-FET

 

 

 

1 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

P25

P24

 

R221

 

(MCC-5009)

 

R321

 

 

 

 

6 6

 

FAN MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P23

 

 

R220

 

 

 

 

 

R320

 

 

 

 

5 5

 

 

PMV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN700

3 3

 

 

 

YEL

 

P22

 

 

 

 

 

 

 

 

 

 

 

 

4 4

 

 

 

 

 

 

 

R219

 

 

 

 

 

R319

 

 

 

 

 

 

 

 

 

 

 

P21

 

 

 

 

 

 

 

 

 

 

 

2 2

 

 

 

 

 

BRW

P35

P20

 

L03

C13

F03

 

 

 

L01

VARISTOR

1 1

 

PULSE MOTOR VALVE

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

 

 

 

FUSE

 

 

 

 

 

3 3

 

 

 

 

 

 

 

 

 

T3.15A

 

 

 

 

 

 

 

 

 

 

 

 

 

P34

 

DB01

 

 

 

AC250V

 

 

 

 

 

 

 

CN603

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 1

 

TS

 

 

 

 

 

 

 

 

 

 

 

 

SURGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(SUCTION PIPE

 

 

 

 

 

 

C12

C14

 

 

ABSORBER

 

 

 

 

 

2 2

TEMP. SENSOR)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

VARISTOR

 

CN602 1 1

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

TO

 

 

 

 

 

 

 

 

 

 

 

 

F01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(OUTDOOR

 

 

P19

 

 

 

 

 

 

 

 

 

 

FUSE

 

 

 

3 3

TEMP. SENSOR)

 

 

 

 

CT

 

 

 

 

 

 

 

25A

 

 

 

 

 

 

ORN

 

DB02

 

 

 

 

 

 

 

AC250V

P02

CN601

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P03

P01

 

 

 

 

P18

 

 

 

 

 

 

 

 

 

 

ORN

BLK

WHI

 

 

1 1

 

TD

 

 

P11

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

1 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(DISCHARGE PIPE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 2

TEMP. SENSOR)

REACTOR

2 2

P08

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN600 1 1

 

 

 

 

 

 

Q404

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TE

 

 

 

 

P32

 

 

CN701

 

P07

L1 L2 S L1 L2

 

 

2 2

(CONDENSER PIPE

 

 

 

 

 

 

 

 

 

 

TEMP. SENSOR)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P33

 

 

P31

P30

1

3

BLK

 

 

 

 

CN500 1 1

 

 

 

 

 

 

PUR

 

 

1 2

1

3

 

 

 

~

~

 

 

 

 

PRESSURE SW.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 2

 

 

COIL

 

 

 

COLOR IDENTIFICATION

 

 

 

 

 

 

 

 

 

 

 

FOR

 

 

POWER

 

BLK:BLACK

WHI:WHITE

 

 

 

 

 

 

 

 

 

 

 

4WAY

 

 

 

BLU:BLUE

BRW:BROWN

 

 

 

 

 

 

 

 

 

 

 

 

 

SUPPLY

 

RED:RED

ORN:ORANGE

 

 

 

 

 

 

 

 

 

 

 

VALVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208/230-1-60

 

GRY:GRAY

YEL:YELLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PNK:PINK

PUR:PURPLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REACTOR

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor Terminal Block L1 L2 S

 

Indoor Terminal Block L1L2 S

Heat

POWER SUPPLY

BLK WHI RED

Exchanger

 

(From Outdoor Unit)

GRN&YEL

208/230-1-60

 

 

SHEET METAL

 

BLK

 

 

 

 

 

 

 

CN02

 

3

1

 

 

 

 

F01

CN01 CN51

 

 

 

 

 

 

1 1

 

 

 

 

 

 

 

 

 

250VAC

 

 

 

3 3

 

 

 

Fuse

 

 

 

 

 

 

 

4 4

 

DC Motor

 

T3.15A

 

 

 

5 5

 

 

 

 

 

 

6 6

 

 

 

 

 

 

 

CN31

Fan Motor

 

1 1

 

 

(WHI)

 

 

 

 

 

WHI

 

 

2 2

 

 

1 1

1 1

Heat Exchanger Sensor CN62

 

 

2 2

YEL

2 2

(TC)

(BLU)

 

 

3 3

YEL

3 3

 

 

Varistor

4 4

YEL

4 4

 

1 1

 

 

5 5

YEL

5 5

 

2 2

 

 

CN32

Louver Motor

Thermo Sensor CN61

 

Line

(WHI)

CN22

(TA)

(WHI)

 

Filter

 

 

 

 

 

 

 

DC5V

 

(WHI)

 

 

 

 

 

 

1

 

1 1

BLU

 

1 1

DC12V

 

 

 

 

2

 

2 2

BLU

 

2 2

Power SupplyCircuit

3

WirelessUnit Assembly MCC-5044

3 3

BLU

 

3 3

4

4 4

BLU

 

4 4

 

5 5

BLU

 

5 5

 

6 6

BLU

 

6 6

 

7 7

BLU

 

7 7

 

8 8

BLU

 

8 8

 

9 9

BLU

 

9 9

 

1010

BLU

 

1010

 

1111

WHI

 

1111

 

CN10

 

 

CN21

 

 

(WHI)

 

 

(WHI)

Main PC Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MCC-5045

 

 

 

 

 

 

– 19 –

 

 

FILE NO. SVM-10020

6. SPECIFICATIONS OF ELECTRICAL PARTS

6-1. Indoor Unit

No.

 

Parts name

1

Fan motor

15LKV-UL, 17LKV-UL

(for indoor)

22LKV-UL

 

2Room temp. sensor (TA-sensor)

3Heat exchanger temp. sensor (TC-sensor)

4Louver motor

Type

Specifications

ICF-340U30-2

DC340V, 30W

( )

10kΩ at 25°C

( )

10kΩ at 25°C

MP24Z3T

Output (Rated) 1W, 16 poles, DC12V

6-2. Outdoor Unit

No.

Parts name

Model name

Rating

 

 

 

 

 

1

Reactor

CH-57

L = 10mH, 16A

 

 

 

 

 

2

Outdoor fan motor

ICF-340UA40-2

DC340V, 40W

 

 

 

 

 

3

Suction temp. sensor (TS sensor)

(Inverter attached)

10kΩ (25°C)

 

 

 

 

 

4

Discharge temp. sensor (TD sensor)

(Inverter attached)

62kΩ (20°C)

 

 

 

 

 

5

Outside air temp. sensor (TO sensor)

(Inverter attached)

10kΩ (25°C)

 

 

 

 

 

6

Heat exchanger temp. sensor (TE sensor)

(Inverter attached)

10kΩ (25°C)

 

 

 

 

 

7

Terminal block (5P)

——

20A, AC250V

 

 

 

 

 

8

Compressor

15LAV-UL, 17LAV-UL

DA130A1F-27F1

3-phases 4-poles 1100W

 

 

22LAV-UL

DA150A1F-20F1

 

 

 

 

 

 

 

 

9

Coil for PMV

CAM-MD12TCTH-4

DC12V

 

 

 

 

 

10

Coil for 4-way valve

STF

 

 

 

 

 

11

Pressure SW.

ACB-4UB82W

4.7 MPa

 

 

 

 

 

– 20 –

FILE NO. SVM-10020

7. REFRIGERANT CYCLE DIAGRAM

7-1. Refrigerant Cycle Diagram

RAS-15LKV-UL / RAS-15LAV-UL, RAS-17LKV-UL / RAS-17LAV-UL

 

INDOOR UNIT

T1

Temp. measurement

 

 

 

 

Indoor heat

 

 

 

exchanger

 

 

 

 

TC

Allowableheight difference:33ft (10m) Allowablepipe length

 

Sectional shape

TA

 

Cross flow fan

 

P Pressure measurement

Deoxidized copper pipe

 

 

Gauge attaching port

Outer dia. : 1/4 in. (6.35mm)

 

Vacuum pump connecting port

Thickness : 1/32 in (0.8mm)

 

Deoxidized copper pipe

of heat insulator

 

 

Outer dia. : 1/2 in. (12.7mm)

 

 

 

 

 

Thickness : 1/32 in (0.8mm)

 

 

 

Muffler

 

 

Strainer

4-way valve

Muffler

 

 

 

 

 

Max. : 66ft (20m)

Min. : 6.6ft (2m) Chargeless : 50ft (15m)

Charge : 0.22oz/ft (20g/m) (51 to 66ft)

Muffler

High pressure SW

TD

Accumulater tank

Compressor DA130A1F-27F1

TS

Fusible Plug

TO

 

Outdoor heat

Split capillary

exchanger

2-dia. 1.2 × 80

 

Distributor

 

TE

Propeller fan

OUTDOOR UNIT

NOTE :

Pulse Modulating valve at liquid side

Refrigerant amount: 3.09 lbs (1.40kg)

NOTE: Gas leak check position

Refrigerant flow (Cooling) Refrigerant flow (Heating)

The maximum pipe length of this air conditioner is 66 ft (20m). When the pipe length exceeds 50 ft (15m), the additional charging of refrigerant, 0.22 oz/ft (20g per 1m) for the part of pipe exceeded 50 ft (15m) is required.

[Max. 0.22 lbs (100g)].

21 –

FILE NO. SVM-10020

RAS-22LKV-UL / RAS-22LAV-UL

 

INDOOR UNIT

T1

Temp. measurement

 

 

 

 

Indoor heat

 

 

 

exchanger

 

 

 

 

TC

Allowableheight difference:33ft (10m) Allowablepipe length

 

Sectional shape

TA

 

Cross flow fan

 

P Pressure measurement

Deoxidized copper pipe

 

 

Gauge attaching port

Outer dia. : 1/4 in. (6.35mm)

 

Vacuum pump connecting port

Thickness : 1/32 in (0.8mm)

 

Deoxidized copper pipe

of heat insulator

 

 

Outer dia. : 1/2 in. (12.7mm)

 

 

 

 

 

Thickness : 1/32 in (0.8mm)

 

 

 

Muffler

 

 

Strainer

4-way valve

Muffler

 

 

 

 

 

Max. : 66ft (20m)

Min. : 6.6ft (2m) Chargeless : 50ft (15m)

Charge : 0.22oz/ft (20g/m) (51 to 66ft)

Muffler

High pressure SW

TD

Accumulater tank

Compressor

DA150A1F-20F1

TS

Fusible Plug

TO

 

Outdoor heat

Split capillary

exchanger

2-dia. 1.2 × 80

 

Distributor

 

TE

Propeller fan

OUTDOOR UNIT

Pulse Modulating valve at liquid side

Refrigerant amount: 3.09 lbs (1.40kg)

NOTE: Gas leak check position

Refrigerant flow (Cooling) Refrigerant flow (Heating)

NOTE :

The maximum pipe length of this air conditioner is 66 ft (20m). When the pipe length exceeds 50 ft (15m), the additional charging of refrigerant, 0.22 oz/ft (20g per 1m) for the part of pipe exceeded 50 ft (15m) is required.

[Max. 0.22 lbs (100g)].

– 22 –

FILE NO. SVM-10020

7-2. Operation Data

<Cooling>

 

 

 

 

 

 

 

 

 

Tempeature

Model name

Standard

Heat exchanger

 

Indoor

Outdoor

Compressor

condition [°F (°C)]

RAS-

pressure

pipe temp.

 

fan mode

fan mode

revolution

Indoor

Outdoor

 

P [psi (MPa)]

T1 [°F (°C)]

T2 [°F (°C)]

 

 

(rps)

80/67

98/75

15LKV-UL

131 to 160

52 to 55

40 to 42

High

High

57

(26.7/19.4)

(35/23.9)

(0.9 to 1.1)

(11 to 13)

(37 to 39)

 

 

 

 

 

 

17LKV-UL

131 to 160

52 to 55

40 to 42

High

High

62

 

 

(0.9 to 1.1)

(11 to 13)

(42 to 44)

 

 

 

 

 

 

 

 

22LKV-UL

131 to 160

52 to 55

41 to 43

High

High

88

 

 

(0.9 to 1.1)

(11 to 13)

(42 to 44)

 

 

 

 

 

 

<Heating>

 

 

 

 

 

 

 

 

 

Tempeature

Model name

Standard

Heat exchanger

 

Indoor

Outdoor

Compressor

condition [°F (°C)]

RAS-

pressure

pipe temp.

 

fan mode

fan mode

revolution

Indoor

Outdoor

 

P [psi (MPa)]

T1 [°F (°C)]

T2 [°F (°C)]

 

 

(rps)

70/60

47/43

15LKV-UL

363 to 392

102 to 105

32 to 37

High

High

74

(21.1/15.6)

(8.3/6.1)

(2.5 to 2.7)

(39 to 41)

(0 to

3)

 

 

 

 

 

 

17LKV-UL

377 to 406

106 to 106

32 to 36

High

High

82

 

 

(2.6 to 2.8)

(41 to 43)

(0 to 2)

 

 

 

 

 

 

 

 

22LKV-UL

116 to 145

52 to 55

104 to 107

High

High

84

 

 

(0.8 to 1.0)

(11 to 13)

(42 to 44)

 

 

 

 

 

 

NOTES :

1.Measure surface temperature of heat exchanger pipe around center of heat exchaner path U bent. (Thermistor themometer)

2.Connecting piping condition : 25 ft (7.5m)

– 23 –

FILE NO. SVM-10020

8. CONTROL BLOCK DIAGRAM

8-1. Indoor Unit

M.C.U.

Indoor Unit Control Unit

 

Heat Exchanger Sensor (Tc)

Room Temperature Sensor (Ta)

Infrared Rays Signal Receiver

and Indication

Initializing Circuit

Clock Frequency

Oscillator Circuit

Functions

Cold draft preventing Function

3-minute Delay at Restart for Compressor

• Fan Motor Starting Control

Processing

(Temperature Processing)

Timer

Serial Signal Communication

• Clean Function

Louver

Motor

Louver Motor

Drive Control

Indoor Fan

Motor Control

Indoor

Fan Motor

Power Supply

Circuit

Converter (D.C circuit)

 

Noise Filter

 

Serial Signal Transmitter/Receiver

From Outdoor Unit

 

Serial Signal Communication

208/230-1-60

 

 

 

 

 

 

(Operation Command and Information)

Remote Controller

Infrared Rays, 36.7kHz

REMOTE CONTROLLER

Operation (START/STOP)

Operation Mode Selection

AUTO, COOL, DRY, HEAT, FAN

Thermo. Setting

Fan Speed Selection

ON TIMER Setting

OFF TIMER Setting

Louver AUTO Swing

Louver Direction Setting

ECO

Hi-POWER

COMFORT SLEEP

QUIET

SLEEP (1,3,5,9 OFF TIMER)

– 24 –

For INDOOR UNIT

MICRO-COMPUTER BLOCK DIAGRAM

 

208/230-1-60

 

 

 

 

 

 

 

 

 

MCC5009 (P.C.B)

 

 

OUTDOOR UNIT

 

Indoor unit

 

 

 

 

Current

 

 

send/receive

 

M.C.U

 

 

 

circuit

 

 

detect

 

 

 

 

 

 

 

 

 

PWM synthesis function

 

 

 

 

 

Input current release control

 

Gate drive

 

 

Discharge

IGBT over-current detect control

 

 

Outdoor fan control

 

circuit

 

 

temp. sensor

 

 

 

 

 

High power factor correction control

 

 

 

Outdoor air

Inverter output frequency control

 

 

 

temp. sensor

A/D converter function

 

Current

 

 

 

 

 

 

P.M.V. control

 

 

detect

 

Suction temp.

 

 

 

 

2

Discharge temp. control

 

 

 

sensor

 

 

 

5

 

 

 

 

4-way valve control

 

 

 

 

 

Gate drive

 

 

Signal communication to indoor unit

 

 

Heat exchanger

 

 

circuit

 

 

temp.sensor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High Power

Clock

 

 

 

 

 

factor Correction

frequency

 

 

 

 

 

 

circuit

4MHz

 

 

 

 

Noise

Input current

Converter

 

Inverter

Outdoor

 

Filter

 

sensor

(AC → DC)

 

(DC → AC)

Fan motor

 

 

 

Driver circuit

Relay

Inverter

Compressor

 

 

 

of P.M.V.

 

circuit

(DC → AC)

 

 

 

 

 

P.M.V. : Pulse Motor Valve

M.C.U. : Micro Control Unit

4-way P.M.V. valve

Assembly) (Inverter Unit Outdoor .2-8

10020-SVM .NO FILE

FILE NO. SVM-10020

9. OPERATION DESCRIPTION

9-1. Outline of Air Conditioner Control

This air conditioner is a capacity-variable type air conditioner, which uses DC motor for the indoor fan motor and the outdoor fan motor. And the capacityproportional control compressor which can change the motor speed in the range from 11 to 120 rps is mounted. The DC motor drive circuit is mounted to the indoor unit. The compressor and the inverter to control fan motor are mounted to the outdoor unit.

The entire air conditioner is mainly controlled by the indoor unit controller.

The indoor unit controller drives the indoor fan motor based upon command sent from the remote controller, and transfers the operation command to the outdoor unit controller.

The outdoor unit controller receives operation command from the indoor unit side, and controls the outdoor fan and the pulse motor valve. (PMV) Besides, detecting revolution position of the compressor motor, the outdoor unit controller controls speed of the compressor motor by controlling output voltage of the inverter and switching timing of the supply power (current transfer timing) so that motors drive according to the operation command.

And then, the outdoor unit controller transfers reversely the operating status information of the outdoor unit to control the indoor unit controller.

As the compressor adopts four-pole brushless DC motor, the frequency of the supply power from inverter to compressor is two-times cycles of the actual number of revolution.

1.Role of indoor unit controller

The indoor unit controller judges the operation commands from the remote controller and assumes the following functions.

Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp. sensor. (TA sensor)

Judgment of the indoor heat exchanger temperature by using heat exchanger sensor (TC sensor) (Prevent-freezing control, etc.)

Louver motor control

Indoor fan motor operation control

LED (Light Emitting Diode) display control

Transferring of operation command signal (Serial signal) to the outdoor unit

Reception of information of operation status (Serial signal including outside temp. data) to the outdoor unit and judgment/display of error

Air purifier operation control

2.Role of outdoor unit controller

Receiving the operation command signal (Serial signal) from the indoor unit controller, the outdoor unit performs its role.

Detection of inverter input current and current release operation

Over-current detection and prevention operation to IGBT module (Compressor stop function)

Compressor and outdoor fan stop function when serial signal is off (when the serial signal does not reach the board assembly of outdoor control by trouble of the signal system)

Transferring of operation information (Serial signal) from outdoor unit controller to indoor unit controller

Detection of outdoor temperature and operation revolution control

Defrost control in heating operation (Temp. measurement by outdoor heat exchanger and control for 4-way valve and outdoor fan)

3.Contents of operation command signal (Serial signal) from indoor unit controller to outdoor unit controller

The following three types of signals are sent from the indoor unit controller.

Operation mode set on the remote controller

Compressor revolution command signal defined by indoor temperature and set temperature (Correction along with variation of room temperature and correction of indoor heat exchanger temperature are added.)

Temperature of indoor heat exchanger

For these signals ([Operation mode] and [Compressor revolution] indoor heat exchanger temperature), the outdoor unit controller monitors the input current to the inverter, and performs the followed operation within the range that current does not exceed the allowable value.

4.Contents of operation command signal (Serial signal) from outdoor unit controller to indoor unit controller

The following signals are sent from the outdoor unit controller.

The current operation mode

The current compressor revolution

Outdoor temperature

Existence of protective circuit operation

For transferring of these signals, the indoor unit controller monitors the contents of signals, and judges existence of trouble occurrence.

Contents of judgment are described below.

Whether distinction of the current operation status meets to the operation command signal

Whether protective circuit operates

When no signal is received from the outdoor unit controller, it is assumed as a trouble.

Compressor operation control

Operation control of outdoor fan motor

PMV control

4-way valve control

Operations followed to judgment

of serial signal from indoor side.

– 26 –

 

FILE NO. SVM-10020

9-2. Operation Description

 

1.

Basic operation ...........................................................................................................

28

 

1. Operation control ...................................................................................................

28

 

2. Cooling/Heating operation .....................................................................................

29

 

3. AUTO operation .....................................................................................................

29

 

4. DRY operation ........................................................................................................

29

2.

Indoor fan motor control .............................................................................................

30

3.

Outdoor fan motor control...........................................................................................

32

4.

Capacity control ..........................................................................................................

33

5.

Current release control ...............................................................................................

33

6.

Release protective control by temperature of indoor heat exchanger........................

34

7.

Defrost control (Only in heating operation) ................................................................

35

8.

Louver control .............................................................................................................

36

 

1) Louver position .......................................................................................................

36

 

2) Air direction adjustment .........................................................................................

36

 

3) Swing .....................................................................................................................

36

9.

ECO operation ............................................................................................................

37

10.

Temporary operation ...................................................................................................

38

11.

Discharge temperature control ...................................................................................

38

12.

Pulse Modulating valve (P.M.V.) control .....................................................................

39

13.

Self-Cleaning function ................................................................................................

40

14.

Remote-A or B selection ............................................................................................

41

15.

QUIET mode .............................................................................................................

42

16.

COMFORT SLEEP mode .........................................................................................

42

17.

One-Touch Comfort ..................................................................................................

42

18.

Hi-POWER Mode ......................................................................................................

43

19.

FILTER Indicator ........................................................................................................

43

9-3. Auto Restart Function..

 

9-3-1. How to Cancel the Auto Restart Function ........................ ........................................

44

9-3-2. How to set the Auto Restart Function ......................................................................

45

9-3-3. Power Failure During Timer Operation ...................................................................

45

9-4. Remote Controller and Its Fuctions

 

9-4-1. Parts Name of Remote Controller .............................................................................

46

9-4-2. Operation of remote control ......................................................................................

46

9-4-3.

Name and Functions of Indications on Remote Controller .......................................

49

– 27

FILE NO. SVM-10020

Item

Operation flow and applicable data, etc.

Description

1. Basic 1. Operation control

operation

Receiving the user’s operation condition setup, the operation statuses of indoor/outdoor units are controlled.

1)The operation conditions are selected by the remote controller as shown in the below.

2)A signal is sent by ON button of the remote controller.

3)The signal is received by a sensor of the indoor unit and processed by the indoor controllers as shown in the below.

4)The indoor controller controls the indoor fan motor and louver motor.

5)The indoor controller sends the operation command to the outdoor controller, and sends/receives the control status with a serial signal.

6)The outdoor controller controls the operation as shown in the left, and also controls the compressor, outdoor fan motor, 4-way valve and pulse Modulating valve.

Remote controller

Selection of operation conditions

ON/OFF

Control contents of remote controller

ON/OFF (Air conditioner/Air purifier)

Operation select (COOL/HEAT/AUTO/DRY)

Temperature setup

Air direction

Swing

Air volume select (AUTO/LOW/LOW+/MED/MED+/HIGH)

• ECO

COMFORT SLEEP

• ON timer setup

QUIET

• OFF timer setup

PRESET

• Hi-POWER

ONE-TOUCH

Indoor unit

 

 

 

 

 

 

 

 

Signal receiving

 

Indoor unit control

 

 

 

 

 

 

 

 

 

 

 

 

• Command signal generating function of

 

 

 

Indoor unit control

 

indoor unit operation

 

• Indoor fan motor

 

 

• Calculation function (temperature calculation)

 

 

 

 

 

 

 

 

 

 

 

• Louver motor

 

 

 

 

• Activation compensation function of indoor fan

 

 

Operation command

 

 

 

 

 

• Cold draft preventive function

 

 

 

 

 

 

 

 

 

 

 

 

• Timer function

 

 

 

Serial signal send/receive

 

• Indoor heat exchanger release control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor unit

 

~

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Serial signal send/receive

 

Outdoor unit control

Inverter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Frequency control of inverter output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor unit control

 

• Waveform composite function

 

 

 

 

 

 

 

 

 

 

 

 

• Calculation function

 

 

 

• Compressor

 

 

 

 

 

 

 

 

 

 

 

 

 

(Temperature calculation)

 

 

 

• Outdoor fan motor

 

 

 

 

 

 

• AD conversion function

 

 

 

 

 

 

 

 

 

 

 

 

• 4-way valve

 

 

 

 

 

 

• Quick heating function

 

 

 

• Pulse Modulating valve

 

 

 

 

 

 

• Delay function of compressor reactivation

 

 

 

(P.M.V.)

 

 

 

 

 

 

• Current release function

 

 

 

 

 

 

 

 

 

 

 

 

• GTr over-current preventive function

 

 

 

 

 

 

 

 

 

 

 

 

• Defrost operation function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

– 28 –

FILE NO. SVM-10020

Item

Operation flow and applicable data, etc.

Description

1. Basic 2. Cooling/Heating operation

operation

The operations are performed in the following parts by controls according to cooling/heating conditions.

1)Receiving the operation ON signal of the remote controller, the cooling or heating operation signal starts being transferred form the indoor controller to the outdoor unit.

2)At the indoor unit side, the indoor fan is operated according to the contents of “2. Indoor fan motor control” and the louver according to the contents of “9. Louver control”, respectively.

3)The outdoor unit controls the outdoor fan motor, compressor, pulse Modulating valve and 4-way valve according to the operation signal sent from the indoor unit.

 

 

 

Operation ON

 

 

Setup of remote controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor fan motor control / Louver control / Operation Hz

 

 

 

Indoor unit control

 

 

 

 

 

 

 

Control (Requierment)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sending of operation command signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor revolution control / Outdoor fan motor control /

 

 

 

 

 

 

 

 

 

Operation Hz control (Include limit control)

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor unit control

 

 

4-way valve control

 

In cooling operation: ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[

In heating operation: OFF ]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pulse Modulating valve control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. AUTO operation

 

 

 

 

 

 

 

 

1) Detects the room temperature (Ta) when

 

 

Selection of operation mode

 

 

the operation started.

 

 

 

 

2) Selects an operation mode from Ta in

 

 

As shown in the following figure, the operation starts by

 

 

 

selecting automatically the status of room temperature

 

the left figure.

 

 

(Ta) when starting AUTO operation.

 

 

3) Fan operation continues until an

 

 

*1. When reselecting the operation mode, the fan

 

 

 

 

 

 

operation mode is selected.

 

 

 

speed is controlled by the previous operation mode.

4) When AUTO operation has started

 

 

 

 

 

 

 

 

 

 

 

 

 

 

within 2 hours after heating operation

 

 

Ta

 

 

 

 

 

 

 

 

 

 

stopped and if the room temperature is

 

 

 

 

 

 

 

 

 

 

 

 

68°F (20°C) or more, the fan operation is

 

 

 

 

 

 

 

 

 

 

 

 

 

°C

 

 

Cooling operation

 

 

 

 

 

 

 

 

performed with ”Super Ultra LOW” mode

 

 

Ts + 1

 

 

 

 

 

 

 

 

 

 

for 3 minutes.

 

 

 

 

Monitoring (Fan)

 

 

Then, select an operation mode.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5) In AUTO mode, either cooling or heating

 

 

Ts – 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

operation will be selected. When room

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating operation

 

 

temperature reach set temperature

 

 

 

 

 

 

 

 

commpressor will stop. In case that the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

compressor stops for 15 minutes, the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUTO mode will reselect cooling or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

heating operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4. DRY operation

 

 

 

 

 

 

 

 

1) Detects the room temperature (Ta) when

 

DRY operation is performed according to the difference

 

 

 

the DRY operation started.

 

between room temperature and the setup temperature as

2) Starts operation under conditions in the

 

shown below.

 

 

 

 

 

 

 

 

left figure according to the temperature

 

In DRY operation, fan speed is controlled in order to

 

 

 

 

 

difference between the room tempera-

 

prevent lowering of the room temperature and to avoid air

ture and the setup temperature (Tsc).

 

flow from blowing directly to persons.

 

 

Setup temperature (Tsc)

 

°F [˚C]

 

 

 

 

 

 

 

 

 

 

 

= Set temperature on remote controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Ts) + 0~1.0°C (0 to 2°F)

 

 

Ta

 

 

 

 

 

L– (W5)

 

 

 

3) When the room temperature is lower

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2°F (1°C) or less than the setup

 

+2.0 (1.0)

 

 

 

 

 

 

(W5+W3) / 2

 

 

 

temperature, turn off the compressor.

 

 

 

 

 

 

 

 

 

 

 

 

 

+1.0 (0.5)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUL (W3)

 

 

 

 

 

 

 

Tsc

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan speed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

–− 29

FILE NO. SVM-10020

 

 

Item

 

 

 

 

Operation flow and applicable data, etc.

 

 

 

 

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Indoor fan

 

 

<In cooling operation>

 

 

 

 

 

 

 

 

motor control

 

(This operation controls the fan speed at indoor unit side.)

 

 

* Symbols

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The indoor fan (cross flow fan) is operated by the phase-

 

 

 

UH

: Ultra High

 

 

 

 

 

 

 

 

control induction motor. The fan rotates in 5 stages in

 

 

 

H

: High

 

 

 

 

 

 

 

 

MANUAL mode, and in 5 stages in AUTO mode, respec-

 

 

 

M+

: Medium+

 

 

 

 

 

 

 

 

tively. (Table 1)

 

 

 

 

 

 

 

 

M

: Medium

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L+

: Low+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

: Low

 

 

 

COOL ON

 

 

 

 

 

 

 

 

 

 

 

 

L-

: Low–

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UL

: Ultra Low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan speed setup

 

 

 

 

 

 

 

 

 

 

SUL

: Super Ultra Low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MANUAL

 

 

 

 

 

* The values of fan speed and air flow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Fig. 1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

volume indicate on the table are measured

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

when the louver is inclined downward.

 

 

 

 

AUTO

 

 

 

Indication

 

Fan speed

 

 

Fan speed and air flow volume broadly

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

W6

 

 

vary with position of louver.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1) When setting the fan speed to L,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L+

 

 

 

 

(L + M) / 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L+, M, M+ or H on the remote

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M

 

 

 

 

W9

 

 

 

controller, the operation is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

performed with the constant

 

 

 

 

 

 

 

 

 

 

M+

 

 

 

 

(M + H) / 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

speed shown in Fig. 1.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H

 

 

 

 

WC

 

 

2) When setting the fan speed to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUTO on the remote controller,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Fig. 2)

 

 

 

revolution of the fan motor is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

controlled to the fan speed level

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

shown in Fig. 2 and Table 1

 

 

Ta

 

 

 

 

 

 

Air volume AUTO

 

 

 

 

 

 

 

according to the setup temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and room temperature.

 

°F [°C]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+4.5 (+2.5)

 

 

 

 

 

 

 

M+(WB)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+3.5 (+2.0)

 

a

 

 

 

 

*3

 

*3 : Fan speed = [(M+) –L] x 3/4 + L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+2.7 (+1.5)

 

b

 

 

 

 

*4

 

*4 : Fan speed = [(M+) –L] x 2/4 + L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+2.0(+1.0)

 

c

 

 

 

 

*5

 

*5 : Fan speed = [(M+) –L] x 1/4 + L

 

 

 

 

 

 

 

+1.0 (+0.5)

 

d

 

 

 

 

 

L(W6)

 

(Linear approximation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

from M+ and L)

 

 

 

 

 

 

 

 

Tsc

 

e

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Table 1) Indoor fan air flow rate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan speed

 

 

 

 

 

 

 

 

RAS-15LKV-UL

RAS-17LKV-UL, RAS-22LKV-UL

 

COOL

 

HEAT

 

DRY

 

 

 

 

 

 

 

 

 

 

 

 

 

level

 

 

 

Fan speed

Air flow rate

 

Fan speed

Air flow rate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(rpm)

cfm (m3/h)

 

(rpm)

cfm (m3/h)

 

 

WF

 

 

 

 

UH

 

 

1100

 

583 (991)

1200

 

648 (1101)

 

 

 

WE

 

 

 

 

H

 

 

1100

 

583 (991)

1200

 

648 (1101)

 

 

 

WD

 

UH

 

M+

 

UH

1090

 

577 (980)

1200

 

648 (1101)

 

 

 

WC

 

H

 

 

 

H

1070

 

563 (957)

1180

 

635 (1079)

 

 

 

WB

 

M+

 

 

 

M+

980

 

505 (858)

1080

 

570 (968)

 

 

 

WA

 

 

 

 

 

 

M

940

 

479 (813)

1020

 

531 (902)

 

 

 

W9

 

M

 

L+

 

 

890

 

446 (758)

980

 

505 (858)

 

 

 

W8

 

 

 

 

L

 

 

780

 

374 (636)

850

 

420 (713)

 

 

 

W7

 

L+

 

L-

 

L+

750

 

355 (603)

810

 

394 (669)

 

 

 

W6

 

L

 

 

 

L

740

 

348 (591)

800

 

387 (658)

 

 

 

W5

 

L-

 

UL

 

L-

700

 

322 (547)

760

 

361 (614)

 

 

 

W4

 

UL

 

 

 

UL

700

 

322 (547)

700

 

322 (547)

 

 

 

W3

 

SUL

 

 

 

SUL

650

 

290 (492)

650

 

290 (492)

 

 

 

W2

 

 

 

 

SUL

 

 

500

 

191 (325)

500

 

191 (325)

 

 

 

W1

 

 

 

 

 

 

 

500

 

191 (325)

500

 

191 (325)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

– 30 –

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