Mitsubishi PLA-RP35BA, PUHZ-RP35VHA user guide manual

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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS SPLIT-TYPE, AIR CONDITIONERS

SERVICE MANUAL

Indoor unit [Model names] [Service Ref.]

PLA-RP35BA

PLA-RP50BA

PLA-RP60BA

PLA-RP71BA

PLA-RP100BA PLA-RP125BA PLA-RP140BA

PLA-RP71BA2 PLA-RP100BA2

PLA-RP125BA2 PLA-RP140BA2

PLA-RP35BA.UK PLA-RP35BA

1.UK PLA-RP35BA#2.UK

PLA-RP50BA.UK PLA-RP50BA

1.UK PLA-RP50BA#2.UK

PLA-RP60BA.UK PLA-RP60BA

1.UK PLA-RP60BA#2.UK

PLA-RP71BA.UK PLA-RP71BA

1.UK PLA-RP71BA#2.UK

PLA-RP100BA.UK PLA-RP100BA#2.UK PLA-RP125BA.UK PLA-RP125BA#2.UK PLA-RP140BA.UK PLA-RP140BA#2.UK PLA-RP71BA2.UK PLA-RP100BA2.UK PLA-RP125BA2.UK PLA-RP140BA2.UK

August 2009

No. OCH412

REVISED EDITION-E

Revision:

• "11. SPECIAL FUNCTION" has been modified in REVISED EDITION-E.

• Some descriptions have been modified.

• Please void OCH412

REVISED EDITION-D.

NOTE:

• This manual describes only service data of the indoor units.

• RoHS compliant products have <G> mark on the spec name plate.

Model name indication

INDOOR UNIT

ON/OFF TEMP

WIRELESS REMOTE

CONTROLLER

TEMP.

WIRED REMOTE

CONTROLLER

ON/OFF

CONTENTS

1. TECHNICAL CHANGES

2. REFERENCE MANUAL

3. SAFETY PRECAUTION

4. PART NAMES AND FUNCTIONS

5. SPECIFICATIONS

6. NOISE CRITERION CURVES

7. OUTLINES AND DIMENSIONS

8. WIRING DIAGRAM

9. REFRIGERANT SYSTEM DIAGRAM

10. TROUBLESHOOTING

11. SPECIAL FUNCTION

12. DISASSEMBLY PROCEDURE

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PARTS CATALOG (OCB412)

............

11 13 14

17 32 41

TECHNICAL CHANGES

PLP-6BAJ (Automatic filter elevation panel, option)

The controller board (U.B) has been changed. (only for the panel but not for the service part)

PLA-RP140BA#2.UK PLA-RP140BA2.UK

HEAT EXCHANGER has been changed. INDOOR CONTROLELR BOARD (I.B.) has been changed. (S/W version up)

PLA-RP35BA1.UK PLA-RP35BA#2.UK PLA-RP50BA1.UK PLA-RP50BA#2.UK PLA-RP60BA1.UK PLA-RP60BA#2.UK PLA-RP71BA1.UK PLA-RP71BA#2.UK PLA-RP100BA.UK PLA-RP100BA#2.UK PLA-RP125BA.UK PLA-RP125BA#2.UK PLA-RP140BA.UK PLA-RP140BA#2.UK

INDOOR CONTROLELR BOARD (I.B.) has been changed. (S/W version up)

PLA-RP35BA.UK PLA-RP35BA1.UK PLA-RP50BA.UK PLA-RP50BA1.UK PLA-RP60BA.UK PLA-RP60BA1.UK PLA-RP71BA.UK PLA-RP71BA1.UK

FAN MOTOR (MF) has been changed. TURBO FAN, NUT and WASHER have been changed.

REFERENCE MANUAL

OUTDOOR UNIT’S SERVICE MANUAL

Service Ref.

PUHZ-RP200/250YHA

SUZ-KA·VA(1).TH SUZ-KA.VAR2.TH

PUHZ-RP35/50/60/71/100/125/140VHA2 PUHZ-RP125/140VHA2#2 PUHZ-RP35/50/60/71/100VHA3(#1) PUHZ-RP100/125/140YHA2 PUHZ-RP125/140YHA2#2 PUHZ-RP100YHA3(#1)

PU(H)-P71/100VHA PU(H)-P71/100VHA#2.UK PU(H)-P71/100VHAR3.UK PU(H)-P71/100/125/140YHA PU(H)-P71/100/125/140YHA㧏2.UK PU(H)-P71/100/125/140YHAR3.UK

PUHZ-P100/125/140VHA2(1).UK PUHZ-P100/125/140VHA3(R1).UK

(1)(2)

(1)

(1).UK

Service Manual No.

OC338

OC322

OC374

OC379

OCH415/OCB415

MXZ-8A140VA

PUHZ-P200/250YHA(3) OCH424/OCB424

PUHZ-HRP71/100VHA(2) PUHZ-HRP100/125YHA(2)

PUHZ-RP200/250YHA2

PUHZ-RP35/50/60/71VHA4 PUHZ-RP100/125/140VKA PUHZ-RP100/125/140/200/250YKA

2/VA3

OC316

OCH425/OCB425

OCH428/OCB428

OCH/OCB451

SAFETY PRECAUTION

3-1. ALWAYS OBSERVE FOR SAFETY

Before obtaining access to terminal, all supply circuits must be disconnected.

3-2. CAUTIONS RELATED TO NEW REFRIGERANT

Cautions for units utilising refrigerant R410A

Use new refrigerant pipes.

In case of using the existing pipes for R22, be careful with the followings.

· For RP100, 125 and 140, be sure to perform replace ment operation before test run.

· Change flare nut to the one provided with this product. Use a newly flared pipe.

· Avoid using thin pipes.

Make sure that the inside and outside of refrigerant piping is clean and it has no contamination such as sulfur hazardous for use, oxides, dirt, shaving particles, etc. In addition, use pipes with specified thickness.

Contamination inside refrigerant piping can cause deterioration of refrigerant oil etc.

Store the piping to be used indoors during installation and both ends of the piping sealed until just before brazing. (Leave elbow joints, etc. in their packaging.)

If dirt, dust or moisture enters into refrigerant cycle, that can cause deterioration of refrigerant oil or malfunction of compressor.

Do not use refrigerant other than R410A.

If other refrigerant (R22 etc.) is used, chlorine in refrigerant can cause deterioration of refrigerant oil etc.

Use a vacuum pump with a reverse flow check valve.

Vacuum pump oil may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc.

Use the following tools specifically designed for use with R410A refrigerant.

The following tools are necessary to use R410A refrigerant.

Tools for R410A Gauge manifold Charge hose

Gas leak detector

Torque wrench

Flare tool Size adjustment gauge Vacuum pump adaptor

Electronic refrigerant charging scale

Handle tools with care.

If dirt, dust or moisture enters into refrigerant cycle, that can cause deterioration of refrigerant oil or malfunction of compressor.

Use ester oil, ether oil or alkylbenzene oil (small amount) as the refrigerant oil applied to flares and flange connections.

If large amount of mineral oil enters, that can cause deterioration of refrigerant oil etc.

Do not use a charging cylinder.

If a charging cylinder is used, the composition of refrigerant will change and the efficiency will be lowered.

Ventilate the room if refrigerant leaks during

Charge refrigerant from liquid phase of gas cylinder.

If the refrigerant is charged from gas phase, composition change may occur in refrigerant and the efficiency will be lowered.

operation. If refrigerant comes into contact with a flame, poisonous gases will be released.

[1] Cautions for service

(1) Perform service after recovering the refrigerant left in unit completely. (2) Do not release refrigerant in the air. (3) After completing service, charge the cycle with specified amount of refrigerant. (4) When performing service, install a filter drier simultaneously. Be sure to use a filter drier for new refrigerant.

[2] Additional refrigerant charge

When charging directly from cylinder

· Check that cylinder for R410A on the market is syphon type.

· Charging should be performed with the cylinder of syphon stood vertically. (Refrigerant is charged from liquid phase.)

Unit

Gravimeter

[3] Service tools

Use the below service tools as exclusive tools for R410A refrigerant.

No. Tool name Specifications 1 Gauge manifold · Only for R410A

· Use the existing fitting

· Use high-tension side pressure of 5.3MPa·G or over. 2 Charge hose · Only for R410A

· Use pressure performance of 5.09MPa·G or over. 3 Electronic scale 4 Gas leak detector · Use the detector for R134a, R407C or R410A. 5 Adaptor for reverse flow check · Attach on vacuum pump. 6 Refrigerant charge base 7 Refrigerant cylinder · Only for R410A · Top of cylinder (Pink)

· Cylinder with syphon 8 Refrigerant recovery equipment

specifications

. (UNF1/2)

Liquid pipe

PART NAMES AND FUNCTIONS

Drain pipe

Filter

Air outlet

Gas pipe

i-see sensor (option)

Vane

Air intake (Intake grille)

Wired remote controller

Display Section

For purposes of this explanation, all parts of the display are shown as lit. During actual operation, only the relevant items will be lit.

Identifies the current operation

Shows the operating mode, etc. *Multilanguage display is available.

“Centrally Controlled” indicator

Indicates that operation from the remote controller has been prohibited by a master controller.

“Timer is Off” indicator

Indicates that the timer is off.

Temperature Setting

Shows the target temperature.

Day-of-Week

Shows the current day of the week.

Time/Timer Display

Shows the current time, unless the simple or Auto Off timer is set. If the simple or Auto Off timer is set, the time to be switched off is shown.

TIME SUN MON TUE WED THU FRI SAT TIMER

AFTER

ERROR CODE

°F°C

AFTER

°F°C

ONLY1Hr.

Up/Down Air Direction indicator

The indicator shows the direction of the outcoming airflow.

“One Hour Only” indicator

Displayed if the airflow is set to low or downward during COOL or DRY mode. (Operation varies according to model.) The indicator goes off in 1 hour, when the airflow direction also changes.

Room Temperature display

Shows the room temperature. The room temperature display range is 8–39. The display blinks if the temperature is less than 8 or 39 or more.

Louver display

Indicates the action of the swing louver. Does not appear if the louver is not running.

(Power On indicator)

Indicates that the power is on.

OFF

FUNCTION

FILTER

WEEKLY

SIMPLE

AUTO OFF

“Sensor” indication

Displayed when the remote controller sensor is used.

“Locked” indicator

Indicates that remote controller buttons have been locked.

“Clean The Filter” indicator

To be displayed on when it is time to clean the filter.

Timer indicators

The indicator comes on if the corresponding timer is set.

Fan Speed indicator

Shows the selected fan speed.

Ventilation indicator

Appears when the unit is running in Ventilation mode.

Operation Section

Temperature setting buttons

Down

Timer Menu button (Monitor/Set button)

Mode button (Return button)

Set Time buttons

Back

Ahead

Timer On/Off button (Set Day button)

Opening the lid

Note:

“PLEASE WAIT” message

TEMP.

BACK DAY

MONITOR/SET

PAR-21MAA

CLOCK

ON/OFF

OPERATION

ON/OFF

FILTER

CHECK

TEST

CLEAR

Built-in temperature sensor

This message is displayed for approximately 3 minutes when power is supplied to the indoor unit or when the unit is recovering from a power failure.

“NOT AVAILABLE” message This message is displayed if an invalid button is pressed (to operate a function that the indoor unit does not have). If a single remote controller is used to operate multiple indoor units simultaneously that are different types, this message will not be displayed as far as any of the indoor units is equipped with the function.

ON/OFF button

Fan Speed button

Filter button (<Enter> button)

Test Run button

Check button (Clear button)

Airflow Up/Down button

Louver button ( Operation button)

To return operation number

Ventilation button ( Operation button)

To go to next operation number

Wireless remote controller

CHECK

TEST RUN

display

CHECK and TEST RUN display indicate that the unit is being checked or test-run.

MODEL SELECT

Blinks when model is selected.

display

Lights up while the signal is transmitted to the indoor unit when the button is pressed.

display

SET TEMP. display indicates the desired temperature which is set.

display

OPERATION MODE display Operation mode display indicates which operation mode is in effect.

display

The vertical direction of air flow is indicated.

display

FAN SPEED display indicates which fan speed has been selected.

ON/OFF button

The unit is turned ON and OFF alternately

each time the button is pressed.

FAN SPEED SELECT button

Used to change the fan speed.

MODE SELECT button

Used to switch the operation mode between cooling, drying, heating, auto and fan mode.

CHECK

TEST RUN

MODEL SELECT

NOT AVAILABLE

ON/OFF TEMP

FAN

MODE

CHECK

VAN E

LOUVER

TEST RUN

RESETSET CLOCK

°C

AMPM

AUTO STOP

AUTO START

min

CLOCK display

Displays the current time.

TIMER display

Displays when in timer operation or when setting timer.

“ ” “ ” display

Displays the order of timer operation.

“ ” “ ” display

Displays whether timer is on or off.

button

SET TEMPERATURE button sets any desired room temperature.

TIMER CONTROL buttons

AUTO STOP (OFF timer): when this switch is set, the air conditioner will be automatically stopped at the preset time. AUTO START (ON timer): when this switch is set, the air conditioner will be automatically started at the preset time.

h and min buttons

Buttons used to set the “hour and minute” of the current time and timer settings.

CHECK-TEST RUN button

Only press this button to perform an inspection check or test operation. Do not use it for normal operation.

VANE CONTROL button

Used to change the air flow direction.

LOUVER button

Changes left/right airflow direction. (Not available for this model.)

CLOCK button

RESET button

SET button

SPECIFICATIONS

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan (drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan (drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Airflow (Low-Medium2-Medium1-High)

*/min(CFM)

Pa(mmAq)

D H

*/min(CFM)

Pa(mmAq)

D H

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

PLA-RP35BA.UK PLA-RP35BA1.UK PLA-RP35BA#2.UK

Cooling

0.03

0.22

UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 258 (10-3/16) PANEL : 35 (1-3/8)

PLA-RP50BA.UK PLA-RP50BA

Cooling

0.05

0.36

UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 258 (10-3/16) PANEL : 35 (1-3/8)

Single phase, 50Hz, 230V

Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.050

11-12-13-15(390-425-460-530)

0(direct blow)

–

Remote controller & built-in

27-28-29-31

32 (1-1/4)

UNIT : 22 (49) PANEL: 6 (13)

1.UK PLA-RP50BA#2.UK

Single phase, 50Hz, 230V

Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.050

12-14-16-18(425-495-565-635)

0(direct blow)

–

Remote controller & built-in

28-29-31-32

32(1-1/4)

UNIT : 22 (49) PANEL: 6 (13)

Heating

0.02

0.14

Heating

0.04

0.29

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan (drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Airflow (Low-Medium2-Medium1-High)

*/min(CFM)

Pa(mmAq)

D H

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

PLA-RP60BA.UK PLA-RP60BA1.UK PLA-RP60BA#2.UK

Cooling

Single phase, 50Hz, 230V

0.05

0.36 Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.050

12-14-16-18(425-495-565-635)

0(direct blow)

–

Remote controller & built-in

28-29-31-32

32(1-1/4)

UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 258 (10-3/16) PANEL : 35 (1-3/8))

UNIT : 23 (51) PANEL: 6 (13)

Heating

0.04

0.29

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan (drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Airflow (Low-Medium2-Medium1-High)

D H

*/min(CFM)

Pa(mmAq)

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

PLA-RP71BA.UK PLA-RP71BA1.UK PLA-RP71BA#2.UK

Cooling

Single phase, 50Hz, 230V

0.07

0.51 Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.050

14-16-18-21(485-565-635-740)

0(direct blow)

–

Remote controller & built-in

28-30-32-34

32(1-1/4) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 258 (10-3/16) PANEL : 35 (1-3/8)

UNIT : 23 (51) PANEL: 6 (13)

Heating

0.06

0.43

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan (drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan (drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Airflow (Low-Medium2-Medium1-High)

*/min(CFM)

Pa(mmAq)

D H

*/min(CFM)

Pa(mmAq)

D H

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

PLA-RP100BA.UK PLA-RP100BA#2.UK

Cooling

Single phase, 50Hz, 230V

0.14

0.94

Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.120

20-23-26-30(710-810-920-1,060)

0(direct blow)

–

Remote controller & built-in

32-34-37-40

32(1-1/4)

UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8)

UNIT : 298 (11-3/4) PANEL : 35 (1-3/8)

UNIT : 25 (55) PANEL : 6 (13)

PLA-RP125BA.UK PLA-RP125BA#2.UK

Cooling

Single phase, 50Hz, 230V

0.15

1.00 Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.120

22-25-28-31(780-880-990-1,090)

0(direct blow)

–

Remote controller & built-in

34-36-39-41

32(1-1/4)

UNIT : 840 (33-1/16) PANEL : 950 (37-3/8)

UNIT : 298 (11-3/4) PANEL : 35 (1-3/8)

UNIT : 25 (55) PANEL : 6 (13)

Heating

0.13

0.87

Heating

0.14

0.94

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan(drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Airflow (Low-Medium2-Medium1-High)

*/min(CFM)

Pa(mmAq)

D H

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

PLA-RP140BA.UK PLA-RP140BA#2.UK

Cooling

Single phase, 50Hz, 230V

0.16

1.07 Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.120

24-26-29-32(850-920-1,020-1,130)

0(direct blow)

–

Remote controller & built-in

36-39-42-44

32(1-1/4) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8)

UNIT : 298 (11-3/4) PANEL : 35 (1-3/8)

UNIT : 27 (60) PANEL : 6 (13)

Heating

0.15

1.00

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan (drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan (drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Airflow (Low-Medium2-Medium1-High)

*/min(CFM)

Pa(mmAq)

D H

*/min(CFM)

Pa(mmAq)

D H

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

Cooling

0.07

0.51

UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 258 (10-3/16) PANEL : 35 (1-3/8)

UNIT : 23 (51) PANEL: 6 (13)

Cooling

0.15

1.00

UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8)

UNIT : 298 (11-3/4) PANEL : 35 (1-3/8)

UNIT : 27(60) PANEL : 6 (13)

PLA-RP71BA2.UK

Heating

Single phase, 50Hz, 230V

0.06

0.43

Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.050

14-16-18-21(485-565-635-740)

0(direct blow)

–

Remote controller & built-in

28-30-32-34

32(1-1/4)

PLA-RP100BA2.UK

Heating

Single phase, 50Hz, 230V

0.14

0.94

Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.120

20-23-26-30(710-810-920-1,060)

0(direct blow)

–

Remote controller & built-in

32-34-37-40

32(1-1/4)

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan (drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Airflow (Low-Medium2-Medium1-High)

*/min(CFM)

Pa(mmAq)

D H

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

Cooling

PLA-RP125BA2.UK

Single phase, 50Hz, 230V

0.16

1.07 Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.120

22-25-28-31(780-880-990-1,090)

0(direct blow)

–

Remote controller & built-in

34-36-39-41

32(1-1/4) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8)

UNIT : 298 (11-3/4) PANEL : 35 (1-3/8)

UNIT : 27(60) PANEL : 6 (13)

Heating

0.15

1.00

Service Ref.

Mode Power supply (phase, cycle, voltage) Input Running current External finish (Panel) Heat exchanger Fan Fan(drive) % No. Fan motor output

External static pressure Booster heater

INDOOR UNIT

Operation control & Thermostat Noise level (Low-Medium2-Medium1-High) Field drain pipe O.D. Dimensions

Weight

Airflow (Low-Medium2-Medium1-High)

*/min(CFM)

Pa(mmAq)

D H

dB mm(in.) mm(in.) mm(in.) mm(in.)

kg(lbs)

Cooling

PLA-RP140BA2.UK

Single phase, 50Hz, 230V

0.16

1.07 Munsell 6.4Y 8.9/0.4

Plate fin coil

Turbo fan (direct) % 1

0.120

24-26-29-32(850-920-1,020-1,130)

0(direct blow)

–

Remote controller & built-in

36-39-42-44

32(1-1/4) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 840 (33-1/16) PANEL : 950 (37-3/8)

UNIT : 298 (11-3/4) PANEL : 35 (1-3/8)

UNIT : 27 (60) PANEL : 6 (13)

Heating

0.15

1.00

NOISE CRITERION CURVES

PLA-RP35BA.UK PLA-RP35BA1.UK PLA-RP35BA#2.UK

APPROXIMATE

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)

THRESHOLD OF HEARING FOR CONTINUOUS NOISE

63 125 250 500 1000 2000 4000 8000

BAND CENTER FREQUENCIES, Hz

NOTCH SPL(dB) LINE

High 31 Medium1 29 Medium2 28

Low 27

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

PLA-RP50BA.UK PLA-RP50BA1.UK PLA-RP50BA#2.UK

APPROXIMATE

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)

THRESHOLD OF HEARING FOR CONTINUOUS NOISE

63 125 250 500 1000 2000 4000 8000

BAND CENTER FREQUENCIES, Hz

NOTCH SPL(dB) LINE

High 32 Medium1 31 Medium2 29

Low 28

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

PLA-RP60BA.UK PLA-RP60BA1.UK PLA-RP60BA#2.UK

APPROXIMATE

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)

THRESHOLD OF HEARING FOR CONTINUOUS NOISE

63 125 250 500 1000 2000 4000 8000

BAND CENTER FREQUENCIES, Hz

NOTCH SPL(dB) LINE

High 32 Medium1 31 Medium2 29

Low 28

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

PLA-RP71BA.UK PLA-RP71BA1.UK PLA-RP71BA#2.UK PLA-RP71BA2.UK

APPROXIMATE

OCTAVE .UKND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)

THRESHOLD OF HEARING FOR CONTINUOUS NOISE

63 125 250 500 1000 2000 4000 8000

BAND CENTER FREQUENCIES, Hz

NOTCH SPL(dB) LINE

High 34 Medium1 32 Medium2 30

Low 28

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

PLA-RP100BA.UK PLA-RP100BA#2.UK PLA-RP100BA2.UK

NOTCH SPL(dB) LINE

High 40 Medium1 37 Medium2 34

Low 32

PLA-RP125BA.UK PLA-RP125BA#2.UK PLA-RP125BA2.UK

NOTCH SPL(dB) LINE

High 41 Medium1 39 Medium2 36

Low 34

APPROXIMATE

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)

THRESHOLD OF HEARING FOR CONTINUOUS NOISE

63 125 250 500 1000 2000 4000 8000

BAND CENTER FREQUENCIES, Hz

PLA-RP140BA.UK PLA-RP140BA#2.UK PLA-RP140BA2.UK

NOTCH SPL(dB) LINE

High 44 Medium1 42 Medium2 39

Low 36

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)

APPROXIMATE

THRESHOLD OF HEARING FOR CONTINUOUS NOISE

63 125 250 500 1000 2000 4000 8000

BAND CENTER FREQUENCIES, Hz

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)

APPROXIMATE

THRESHOLD OF HEARING FOR CONTINUOUS NOISE

63 125 250 500 1000 2000 4000 8000

BAND CENTER FREQUENCIES, Hz

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

UNIT

CEILING

1.5m

MICROPHONE

37728460

()

Ceiling hole

Branch duct hole

Drain pipe connected to VP-25

Ceiling

Grille

Drain hole

Models

Auto vane (Air outlet)

Air intake grille

Ceiling

Cut out hole

Burring hole pitch

Burring hole

Power supply wire, Indoor unit/Outdoor unit connecting wire entry

Indoor unit/Outdoor unit connecting terminal block

Indoor power supply terminal block(Option part)

Control wire entry

Air intake hole

Air outlet hole

Connected the attached flexible pipe or socket.

Keep approximately 10 to 15mm space between unit ceiling and ceiling slab.

Branch duct hole

Fresh air intake hole

Ceiling hole

Suspension bolt pitch

Remote controller terminal block

Suspension bolt M10 or W3/8

(7.5)(7.5)

605

+35

- 5

620

DEFROST/STAND BY lamp

Receiver

Operation lamp

In case of standard grille : PLP-6BA / PLP-6BAMD

In case of wireless remote controller : PLP-6BALM Auto grille

Air intake grille up/down distance

Emergency operation switch<Cooling>and Emergency Up/Down switch<Up>

160

500

597

950

8336

950

597

B35

190

156

105

140

50~70

160

840

150

840

187.5

20~45

860~910

20~45

810

20~45

860~910

20~45

160

120°

:175

:125

167

158

Vane motor

Drain pump clean hole and Drain emergency drainage hole

130

100

70°

155

350

90 100 100 90

BACDE

241 258

400

298

85 77

440281

Refrigerant pipe

···:6.35 Flared connection

···1/4 inch

Refrigerant pipe

···:9.52 Flared connection

···3/8 inch

Refrigerant pipe

···:12.7 Flared connection

···1/2 inch

Refrigerant pipe

···:15.88 Flared connection

···5/8 inch

Refrigerant pipe

:6.35 / :9.52

Flared connection 1/4 inch/ 3/8 inch (compatible)

PLA-RP35/50BA

PLA-RP60BA

PLA-RP71BA PLA-RP71BA2

PLA-RP100,125,140BA PLA-RP100,125,140BA2

Detail drawing of fresh air intake hole

Detail connecting of branch duct(Both aspects)

3-:2.8

14-:2.8

:150

:100

Emergency operation switch<Heating>and Emergency Up/Down switch<Down>

In case of auto-grille : PLP-6BAJ

Suspension bolt lower edge

170

Ceiling

Air intake grille

Max. 4.0m

L.L Filter

Ceiling

Grille

Indoor unit

1500mm or more

1000mm

or more

3000mm or more

1800mm or more

from floor

For high attachment

Indoor unit

Obstacle

Floor

Note1. Please choose the grille from a standard grille, auto-grille.

2. As for drain pipe, please use VP-25(O.D.

32 PVC TUBE). Drain pump is included. Max. lifting height is 850mm from the ceiling.

3. As for suspension bolt, please use M10 or W3/8. (Procured at local site)

4. Electrical box may be removed for the service purpose. Make sure to slack the electrical wire little bit for control/power wires connection.

5. The height of the indoor unit is able to be adjusted with the grille attached.

6. For the installation of the optional high efficiency filter or optional multi-functional casement.

1) Requires E or more space between transom and ceiling for the installation.

2) Add 135 mm to the dimensions + marked on the figure.

3) The optional high efficiency filter must be used jointly with the optional multi-functional casement.

7. When installing the branch ducts, be sure to insulate adequately. Otherwise condensation and dripping may occur. (It becomes the cause of dew drops/Water dew.)

8. As for necessary installation/service space, please refer to the left figure.

OUTLINES AND DIMENSIONS

PLA-RP35BA.UK PLA-RP50BA.UK PLA-RP60BA.UK PLA-RP71BA.UK PLA-RP100BA.UK PLA-RP125BA.UK PLA-RP140BA.UK

PLA-RP35BA

.UK PLA-RP50BA1.UK PLA-RP60BA1.UK PLA-RP71BA1.UK PLA-RP35BA#2.UK PLA-RP50BA#2.UK PLA-RP60BA#2.UK PLA-RP71BA#2.UK PLA-RP100BA#2.UK PLA-RP125BA#2.UK PLA-RP140BA#2.UK PLA-RP71BA2.UK PLA-RP100BA2.UK PLA-RP125BA2.UK PLA-RP140BA2.UK

Unit: mm

WIRING DIAGRAM

PLA-RP35BA.UK PLA-RP50BA.UK PLA-RP60BA.UK PLA-RP71BA.UK PLA-RP100BA.UK PLA-RP125BA.UK PLA-RP140BA.UK PLA-RP35BA

.UK PLA-RP50BA1.UK PLA-RP60BA1.UK PLA-RP71BA1.UK PLA-RP35BA#2.UK PLA-RP50BA#2.UK PLA-RP60BA#2.UK PLA-RP71BA#2.UK PLA-RP100BA#2.UK PLA-RP125BA#2.UK PLA-RP140BA#2.UK

[LEGEND]

SYMBOL SYMBOLNAME NAME

I.B

DCL DP FS

MMMM

Notes:

1.SymboIs used in wiring diagram above are, :Connector, : Terminal (block).

2.Indoor and outdoor connecting wires have poIarities, make sure to match terminal numbers (S1, S2, S3) for correct wirings.

3.Since the outdoor side electric wiring may change, be sure to check the outdoor unit electric wiring diagram for servicing.

4.This diagram shows the wiring of indoor and outdoor connecting wires.(specification of 230V), adopting superimposed system for power and signal. +1:If indoor and outdoor units have separate power supplies, refer to Fig.1. +2:For power supply system of this unit, refer to the caution label located near this diagram.

INDOOR CONTROLLER BOARD

CN2L

CONNECTOR (LOSSNAY)

CN32

CONNECTOR (REMOTE SWITCH) CONNECTOR (HA TERMINAL-A)

CN41 CN51

CONNECTOR (CENTRALLY CONTROL)

FUSE

FUSE (T6.3AL250V)

LED1

POWER SUPPLY (I.B)

LED2

POWER SUPPLY (R.B)

LED3

TRANSMISSION (INDOOR-OUTDOOR)

SW1

SWITCH (MODEL SELECTION) +See table 1

SW2

SWITCH (CAPACITY CODE) +See table 2

SWE

CONNECTOR (EMERGENCY OPERATION)

RELAY (DRAIN PUMP)

REACTOR DRAIN PUMP DRAIN FLOAT SWITCH

Please set the voltage using the remote controller. For the setting method, please refer to the indoor unit Installation Manual.

I.B

VAN E

CNV(

1 3

AUTO GRILLE

CN3G (BLK)

MVMVMV

GRILLE

WHT)

WIRELESS

CN90

(WHT)

114169

CNB

5555

SW1

SW2

1234567891011121314151617

LED3 LED2 LED1

I-SEE SENSOR

CN4Y

(WHT)

I-SEE

SENSOR

LED2

I-SEE SENSOR CORNER PANEL (OPTION PART)

LED1

W.B

OPTION PART

Refer to tables 1 and 2.

SW2SW1

I-SEE

SENSOR MOTOR

CN6Y (RED)

4 5

MF MV TB2 TB4 TB5,TB6

TH1

TH2

TH5

FAN MOTOR VANE MOTOR TERMINAL BLOCK (Indoor unit Power (option)) TERMINAL BLOCK ( TERMINAL BLOCK (REMOTE CONTROLLER TRANSMISSION LINE) ROOM TEMP. THERMISTOR (0 / 15k, 25 / 5. 4k DETECT) PIPE TEMP. THERMISTOR/LIQUID (0 / 15k, 25 / 5. 4k DETECT) COND. / EVA. TEMP. THERMISTOR (0 / 15k, 25 / 5. 4k DETECT)

PCB FOR WIRELESS REMOTE CONTROLLER

W.B

BUZZER

LED1

LED (OPERATION INDICATION : GREEN)

LED2

LED (PREPARATION FOR HEATING : ORANGE) RECEIVING UNIT

RU SW1

EMERGENCY OPERATION (HEAT / DOWN)

SW2

EMERGENCY OPERATION (COOL / UP)

TB6

R.B

CN2L

U.B

AUTOMATIC FILTER ELEVATION PANEL (OPTION PART)

TRANSMISSION WIRES DC12V

J42J41

(WHT)

CN51(WHT)

Pair No.

CN41(WHT)

SWE

ON OFF

AUTO GRILLE

POWER

CNAC (WHT)

CN3G

CN32

FLOAT SW

(WHT)

CN3A

INDOOR/OUTDOOR CONNECTING LINE

TB5

2 1

113

CN4F

13135

REMOCON

CN22

(BLU)

LIQUID/PIPE

CN44

(WHT)

t° t° t°

TH2 TH5 TH1

INDOOR/OUTDOOR

COMMUNICATION

CN3C

(BLU)

DC325V

RECTIFICATION

INTAKE

CN20 (RED)

741

+ Be sure to turn off the power source and then disconnect fan motor connector. (Failure to do so will cause trouble in fan motor.)

+1(Fig. 1) CN01

(BLK)

5 3 1

I.B

CNMF (WHT)

<Table 1>SW1(MODEL SELECTION)

SW1

SETTING

12345

MODELS

PLA-RP35BA

PLA-RP50BA

PLA-RP60BA

PLA-RP71BA

135

D.U.M

CNP

(BLU)

RED BLU

GRN/YLW

YLW ORN ORN BRN

ON OFF

SETTING

12345

YLW

FUSE

TB2

L N

TB4

SW2

ON OFF

DCL

POWER SUPPLY ~(1PHASE) 230V 50Hz

TO OUTDOOR UNIT

)

<Table 2>SW2(CAPACITY CODE)

The black square (■) indicates a switch position.

OUTDOOR

CN01

(BLK)

FAN

I.B

YLW ORN

INDOOR/OUTDOOR

COMMUNICATION

CN3C (BLU)

MODELS

PLA-RP100BA

PLA-RP125BA

PLA-RP140BA

YLW

ORN

ORN BRN

SETTING

12345

TB4

S1 S2 S3

ON OFF

TO OUTDOOR UNIT

PLA-RP71BA2.UK PLA-RP100BA2.UK PLA-RP125BA2.UK PLA-RP140BA2.UK

[LEGEND]

SYMBOL SYMBOLNAME NAME

I.B

DCL DP FS

INDOOR CONTROLLER BOARD

CN2L

CONNECTOR (LOSSNAY)

CN32

CONNECTOR (REMOTE SWITCH) CONNECTOR (HA TERMINAL-A)

CN41 CN51

CONNECTOR (CENTRALLY CONTROL)

FUSE

FUSE (T6.3AL250V)

LED1

POWER SUPPLY (I.B)

LED2

POWER SUPPLY (R.B)

LED3

TRANSMISSION (INDOOR-OUTDOOR)

SW1

SWITCH (MODEL SELECTION) +See table 1

SW2

SWITCH (CAPACITY CODE) +See table 2

SWE

CONNECTOR (EMERGENCY OPERATION)

RELAY (DRAIN PUMP)

REACTOR DRAIN PUMP DRAIN FLOAT SWITCH

MF MV TB2 TB4 TB5,TB6

TH1

TH2

TH5

OPTION PART

W.B

BZ LED1 LED2 RU SW1 SW2

FAN MOTOR VANE MOTOR TERMINAL BLOCK (Indoor unit Power (option)) TERMINAL BLOCK ( TERMINAL BLOCK (REMOTE CONTROLLER TRANSMISSION LINE) ROOM TEMP. THERMISTOR (0 / 15kΩ, 25 / 5. 4kΩ DETECT) PIPE TEMP. THERMISTOR/LIQUID (0 / 15kΩ, 25 / 5. 4kΩ DETECT) COND. / EVA. TEMP. THERMISTOR (0 / 15kΩ, 25 / 5. 4kΩ DETECT)

PCB FOR WIRELESS REMOTE CONTROLLER BUZZER LED (OPERATION INDICATION : GREEN) LED (PREPARATION FOR HEATING : ORANGE) RECEIVING UNIT EMERGENCY OPERATION (HEAT / DOWN) EMERGENCY OPERATION (COOL / UP)

INDOOR/OUTDOOR CONNECTING LINE

<Table 1> SW1 (MODEL SELECTION)

)

<Table 2> SW2 (CAPACITY CODE)

The black square (■) indicates a switch position.

SW1

PLA-RP71BA2 PLA-RP100BA2 PLA-RP125BA2

PLA-RP140BA2

SW2

PLA-RP71BA2

PLA-RP100BA2

PLA-RP125BA2

PLA-RP140BA2

SETTINGMODELS

12345

SETTINGMODELS

12345

ON OFF

Refer to tables 1 and 2.

I.B

AUTO GRILLE

CN3G

(BLK)

M M M M

GRILLE

5555

MVMVMVMV

VAN E

CNV(

WHT)

1011121314151617181920

WIRELESS

CN90 (WHT)

CNB

SW1

SW2

123456789

LED3 LED2 LED1

I-SEE

SENSOR

CN4Y (WHT)

I-SEE

SENSOR

LED2

I-SEE SENSOR CORNER PANEL (OPTION PART)

LED1

W.B

SW2SW1

I-SEE

SENSOR MOTOR

CN6Y (RED)

21 TB6

R.B

U.B

AUTOMATIC FILTER ELEVATION PANEL (OPTION PART)

J42J41

Pair No.

CN2L

AUTO GRILLE

CN3G

TRANSMISSION WIRES DC12V

CN32

(WHT)

CN51(

WHT)

CN41(

WHT)

SWE

POWER

CNAC

(WHT)

131414

13315

Notes:

1.SymboIs used in wiring diagram above are, :Connector, : : Terminal (block).

2.Indoor and outdoor connecting wires have polarities, make sure to match the terminal numbers (S1, S2, S3) for correct wirings.

3.Since the outdoor side electric wiring may change, be sure to check the outdoor unit electric wiring for servicing.

4.This diagram shows the wiring of indoor and outdoor connecting wires.(specification of 230V), adopting superimposed system for power and signal.

If indoor and outdoor units have separate power supplies, refer to Fig.1.

+1: +2:For power supply system of this unit, refer to the caution label

located near this diagram.

1123

OFF

FLOAT SW

CN4F (WHT)

CN3A

TB5

2 1

INDOOR/OUTDOOR

COMMUNICATION

REMOCON

CN22

(BLU)

LIQUID/PIPE

CN44

(WHT)

t° t° t°

TH5TH2FS TH1

DCL

YLW

OUTDOOR

CN01

CN3C

(BLU)

DC325V

RECTIFICATION

INTAKE

FAN

CN20

CNMF

(RED)

(WHT)

12 7 4 1

(BLK)

153

FUSE

TB4

YLW

D.U.M

CNP

(BLU)

ORN

BRN

ORN

S1 S2 S3

+Be sure to turn off the source power and then disconnect fan motor connector. (Failure to do so will cause trouble in fan motor)

+1(Fig. 1

)

CN01 (BLK)

5 3 1

I.B

CN3C(BLU)

I.B

YLW ORN

INDOOR/OUTDOOR

COMMUNICATION

RED BLU

GRN/YLW

YLW ORN ORN BRN

TB2

TB4

POWER SUPPLY ~(1PHASE) 230V 50Hz

TO OUTDOOR UNIT

Please set the voltage using the remote controller. For the setting method, please refer to the indoor unit Installation Manual.

1515

REFRIGERANT SYSTEM DIAGRAM

PLA-RP35BA.UK PLA-RP50BA.UK PLA-RP60BA.UK PLA-RP71BA.UK PLA-RP100BA.UK PLA-RP125BA.UK PLA-RP140BA.UK PLA-RP35BA

.UK PLA-RP50BA

UK PLA-RP60BA1.UK PLA-RP71BA

UK PLA-RP35BA#2.UK PLA-RP50BA#2.UK PLA-RP60BA#2.UK PLA-RP71BA#2.UK PLA-RP100BA#2.UK PLA-RP125BA#2.UK PLA-RP140BA#2.UK PLA-RP71BA2.UK PLA-RP100BA2.UK PLA-RP125BA2.UK PLA-RP140BA2.UK

Strainer (#50)

Heat exchanger

Refrigerant GAS pipe connection (Flare)

Thermistor TH5

Thermistor TH1 (Room temperature)

(Cond./ Eva.temperature)

Thermistor TH2 Pipe temperature(Liquid)

Distributor with strainer (#50)

Refrigerant LIQUID pipe connection (Flare)

Strainer (#50)

Refrigerant flow in cooling Refrigerant flow in heating

TROUBLESHOOTING

10-1. TROUBLESHOOTING

Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit. Actions to be taken for service and the trouble reoccurrence at field are summarized in the table below. Check the contents below before investigating details.

Unit conditions at service

The trouble is reoccurring.

The trouble is not reoccurring.

Error code

Displayed

Not displayed

Logged

Not logged

Actions to be taken for service (summary)

Judge what is wrong and take a corrective action according to “10-3. Self-diagnosis action table”.

Conduct troubleshooting and ascertain the cause of the trouble according to “10-4. Troubleshooting by inferior phenomena”.

Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor, poor connection of wiring, noise and etc. Re-check the symptom, and check the installation environment, refrigerant amount, weather when the trouble occurred, matters related to wiring and etc. Reset error code logs and restart the unit after finishing service. There is no abnormality in electrical component, controller board, remote controller and etc.

Re-check the abnormal symptom. Conduct trouble shooting and ascertain the cause of

the trouble inferior phenomena”. Continue to operate unit for the time being if the cause is not ascertained. There is no abnormality concerning of parts such as

electrical component, controller board, remote controller

and etc.

according to “10-4. Troubleshooting

10-2. MALFUNCTION-DIAGNOSIS METHOD BY REMOTE CONTROLLER

When a malfunction occurs to air conditioner, both indoor unit and outdoor unit will stop and operation lamp blinks to inform unusual stop.

<Malfunction-diagnosis method at maintenance service>

[Procedure]

CHECK display

ON/OFF button

CHECK button

ON/OFF

MODE

CHECK

TEST RUN

SET

CHECK

FAN

VAN E

LOUVER

RESET

TEMP

AUTO STOP

AUTO START

CLOCK

min

Refrigerant address display

Temperature button

HOUR button

1. Press the CHECK button twice.

2. Press the temperature buttons.

3. Point the remote controller at the sensor on the indoor unit and press the HOUR button.

• "CHECK" lights, and refrigerant address "00" flashes.

• Check that the remote controller's display has stopped before continuing.

• Select the refrigerant address of the indoor unit for the self-diagnosis. Note: Set refrigerant address using the outdoor unit’s DIP switch (SW1). (For more information, see the outdoor unit installation manual.)

• If an air conditioner error occurs, the indoor unit's sensor emits an intermit tent buzzer sound, the operation light flashes, and the error code is output. (It takes 3 seconds at most for error code to appear.)

4. Point the remote controller at the sensor on the indoor unit and press the ON/OFF button.

• The check mode is cancelled.

• Refer to the following tables for details on the check codes. [Output pattern A]

Beeper sounds

OPERATION INDICATOR lamp flash pattern

Beep

Self-check starts (Start signal received)

Beep Beep Beep Beep Beep Beep

1st2nd3

Off

Approx. 2.5 sec.On0.5 sec.On0.5 sec.On0.5 sec.

Number of flashes/beeps in pattern indicates the check code in the following table (i.e., n=5 for “P5”)

0.5 sec.

Off

Approx. 2.5 sec.On0.5 sec.On0.5 sec.

Number of flashes/beeps in pattern indicates the check code in the following table

1st2

· · · Repeated

[Output pattern B]

Beeper sounds

OPERATION INDICATOR lamp flash pattern

Beep Beep Beep Beep Beep Beep Beep

1st2nd3

Off

Self-check starts (Start signal received)

Approx. 2.5 sec.OnApprox. 3 sec.On0.5 sec.On0.5 sec.On0.5 sec.

Number of flashes/beeps in pattern indicates the check code in the following table (i.e., n=5 for “U2”)

0.5 sec.

Off

Approx. 2.5 sec.OnApprox. 3 sec.On0.5 sec.On0.5 sec.

Number of flashes/beeps in pattern indicates the check code in the following table

[Output pattern A] Errors detected by indoor unit

Wireless remote controller

Beeper sounds/OPERATION

INDICATOR lamp flashes

(Number of times)

1P1

3E6,E7

Wired remote controller

Check code

Intake sensor error

P2 Pipe (TH2) sensor error P9 Pipe (TH5) sensor error

Indoor/outdoor unit communication error

Symptom Remark

4 P4 Drain sensor error/Float switch connector (CN4F) open

P5 PA

Drain pump error

Forced compressor stop(due to water leakage abnormality) 6 P6 Freezing/Overheating protection operation 7 EE Communication error between indoor and outdoor units 8 P8 Pipe temperature error 9 E4, E5 Remote controller signal receiving error

10 11

–

12 Fb Indoor unit control system error (memory error, etc.)

–

E0, E3

Remote controller transmission error – E1, E2 Remote controller control board error

[Output pattern B]

Wireless remote controller

Beeper sounds/OPERATION

INDICATOR lamp flashes

Errors detected by unit other than indoor unit (outdoor unit, etc.)

Wired remote controller

Check code

Symptom

(Number of times)

2 3 4

7 8 9

12 13 14

*1 If the beeper does not sound again after the initial

the OPERATION INDICATOR lamp does not come on,

*2 If the beeper sounds 3 times continuously “beep, beep, beep (0.4 + 0.4 + 0.4 sec.)” after the initial 2 beeps to confirm

the self-check start signal was received, the specified refrigerant address is incorrect.

• On wireless remote controller The continuous buzzer sounds from receiving section of indoor unit. Blink of operation lamp

• On wired remote controller Check code displayed in the LCD.

UP U3,U4 UF

U1,Ud

U5 U8 U6 U7

U9,UH

– –

Others

Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)

Compressor overcurrent interruption Open/short of outdoor unit thermistors Compressor overcurrent interruption (When compressor locked) Abnormal high discharging temperature/49C worked/

insufficient refrigerant Abnormal high pressure (63H worked)/Overheating

protection operation Abnormal temperature of heat sink

Outdoor unit fan protection stop

Compressor overcurrent interruption/Abnormal of power module Abnormality of super heat due to low discharge temperature Abnormality such as overvoltage or voltage shortage and

abnormal synchronous signal to main circuit/Current sensor error

– –

Other errors (Refer to the technical manual for the outdoor unit.)

2 beeps to confirm the self-check start signal was received and

there are no error records.

1st2

· · · Repeated

Remark

For details, check the LED display of the outdoor controller board. As for outdoor unit, refer to outdoor unit's service manual.

• On wireless remote controller

The continuous buzzer sounds from receiving section of indoor unit. Blink of operation lamp

• On wired remote controller Check code displayed in the LCD.

If the unit cannot be operated properly after test run, refer to the following table to find the cause.

•

Symptom

Wired remote controller LED 1, 2 (PCB in outdoor unit)

PLEASE WAIT

PLEASE WAIT → Error code

Display messages do not appear even when operation switch is turned ON (operation lamp does not light up).

On the wireless remote controller with condition above, following phenomena take place.

• No signals from the remote controller can be received.

• Operation lamp is blinking.

• The buzzer makes a short ping sound.

Note: Operation is not possible for about 30 seconds after cancellation of function selection. (Correct operation)

For description of each LED (LED1, 2, 3) provided on the indoor controller, refer to the following table.

LED1 (power for microcomputer) Indicates whether control power is supplied. Make sure that this LED is

LED2 (power for remote controller)

LED3 (communication between indoor and outdoor units)

For about 2 minutes after power-on

Subsequent to about 2 minutes after power-on

After LED 1, 2 are lighted, LED 2 is

turned off, then only LED 1 is

lighted.

(Correct operation)

Only LED 1 is lighted. →

Only LED 1 is lighted.

always lit. Indicates whether power is supplied to the remote controller.

This LED lights only in the case of the indoor unit which is connected to the outdoor unit refrigerant addresses “0”.

Indicates state of communication between the indoor and outdoor units. Make sure that this LED is always blinking.

LED 1, 2 blink.

→

LED 1 blinks twice, LED 2 blinks once.

•For about 2 minutes following power-on,operation of the remote controller is not possible due to system start-up. (Correct operation)

•Connector for the outdoor unit’s protection device is not connected.

•Reverse or open phase wiring for the outdoor unit’s power terminal block (L1, L2, L3)

•Incorrect wiring between indoor and outdoor units (incorrect polarity of S1, S2, S3)

•Remote controller wire short

Cause

10-3. SELF-DIAGNOSIS ACTION TABLE

Error Code

Abnormal point and detection method

Room temperature thermistor (TH1)

1 The unit is in 3-minute resume prevention mode if short/open of thermistor is detected. Abnormal if the

unit does not reset normally after 3 minutes. (The unit returns to normal opera-

tion, if it has been reset normally.) 2 Constantly detected during cooling, drying, and heating operation. Short: -90: or more Open: -40: or less

1 Defective thermistor characteristics

2 Contact failure of connector

3 Breaking of wire or contact

failure of thermistor wiring 4 Defective indoor controller

Note: Refer to the manual of outdoor unit for the details of display such as F, U, and other E.

Cause

(CN20) on the indoor controller board (Insert failure)

board

Countermeasure

1–3 Check resistance value of thermistor.

0: 15.0k" 10: 9.6k" 20: 6.3k" 30: 4.3k"

40: 3.0k" If you put force on (draw or bend) the lead wire while measuring resistance value of thermistor, breaking of wire or contact failure can be detected. 2 Check contact failure of connector (CN20)

on the indoor controller board. Refer to 10-7. Turn the power on again and check restart after inserting connector again.

4 Check room temperature display on remote

controller.

Replace indoor controller board if there is

abnormal difference with actual room

temperature. Turn the power off, and on again to operate

after check.

Pipe temperature thermistor/Liquid (TH2)

1 The unit is in 3-minute resume prevention mode if short/open of thermistor is detected. Abnormal if the

unit does not reset normally after 3 minutes. (The unit returns to normal opera-

tion, if it has been reset normally.) 2 Constantly detected during cooling, drying, and heating (except defrosting)

operation Short: 90: or more Open: -40: or less

Contact failure of drain float switch (CN4F)

• Extract when the connector of drain float

switch is disconnected. (3 and 4 of connector CN4F is not

short-circuited.)

• Constantly detected during operation

Drain over flow protection operation

1 Suspensive abnormality, if drain float

switch is detected to be underwater for

1 minute and 30 seconds continuously

with drain pump on. Compressor and indoor fan will be

turned off. 2 Drain pump is abnormal if the condition

above is detected during suspensive

abnormality. 3 Constantly detected during drain pump

operation

1 Defective thermistor characteristics 2 Contact failure of connector

(CN44) on the indoor controller

board (Insert failure) 3 Breaking of wire or contact failure of thermistor wiring 4 Defective refrigerant circuit is

causing thermistor temperature

of 90: or more or -40: or

less. 5 Defective indoor controller

board

1 Contact failure of connector (Insert failure)

2 Defective indoor controller

board

1 Malfunction of drain pump 2 Defective drain

Clogged drain pump Clogged drain pipe 3 Defective drain float switch

Jamming of the drain float

switch or malfunction of mov-

ing parts causing the drain float

switch to be detected under

water (Switch On) 4 Defective indoor-controller

board

1–3 Check resistance value of thermistor. For characteristics, refer to (P1) above. 2 Check contact failure of connector (CN44)

on the indoor controller board. Refer to 10-7. Turn the power on and check restart after inserting connector again.

4 Check pipe <liquid> temperature with remote

controller in test run mode. If pipe <liquid> temperature is extremely low (in cooling mode) or high (in heating mode), refrigerant circuit may have defective.

5 Check pipe <liquid> temperature with

remote controller in test run mode. If there is extremely difference with actual pipe <liquid> temperature, replace indoor controller board.

Turn the power off, and on again to operate after check.

Check contact failure of float switch connector.

1 Turn the power on again and check after

inserting connector again.

2 Operate with connector (CN4F) short-

circuited.

Replace indoor controller board if abnormality

reappears.

1 Check if drain pump works. 2 Check drain function.

3 Remove drain float switch connector CN4F

and check if it is short (Switch On) with the moving part of float switch UP, or OPEN with the moving part of float switch down.

Replace float switch if it is short with the

moving part of float switch down.

4 Replace indoor controller board if it is short-

circuited between 3-4 of the drain float switch connector CN4F and abnormality reappears.

It is not abnormal if there is no problem about the above-mentioned Turn the power off, and on again to operate after check.

Error Code

Abnormal point and detection method

Freezing/overheating protection is working

1 Freezing protection (Cooling mode)

The unit is in 6-minute resume prevention mode if pipe <liquid or condenser/ evaporator> temperature stays under

-15: for 3 minutes, 3 minutes after the compressor started. Abnormal if it stays under -15: for 3 minutes again within 16 minutes after 6-minute resume prevention mode.

Cause

(Cooling or drying mode)

1 Clogged filter (reduced airflow) 2 Short cycle of air path 3 Low-load (low temperature)

operation out of the tolerance range

4 Defective indoor fan motor

• Fan motor is defective.

• Indoor controller board is defective.

Countermeasure

(Cooling or drying mode)

1 Check clogs of the filter. 2 Remove blockage.

4 Refer to 10-6.

2 Overheating protection (Heating mode)

The units is in 6 minute resume prevention mode if pipe <liquid or condenser/evaporator> temperature is detected as over 70: after the compressor started. Abnormal if the temperature of over 70: is detected again within 30 minutes after 6 minute resume prevention mode.

Pipe temperature

<Cooling mode> Detected as abnormal when the pipe temperature is not in the cooling range 3 minutes after compressor start and 6 minutes after the liquid or condenser/evaporator pipe is out of cooling range. Note 1) It takes at least 9 minutes to

detect.

Note 2) Abnormality P8 is not detected in

drying mode. Cooling range : -3 °C ] (TH-TH1) TH: Lower temperature between: liquid

pipe temperature (TH2) and condenser/evaporator temperature (TH5)

TH1: Intake temperature <Heating mode>

When 10 seconds have passed after the compressor starts operation and the hot adjustment mode has finished, the unit is detected as abnormal when condenser/ evaporator pipe temperature is not in heating range within 20 minutes.

5 Defective outdoor fan control 6 Overcharge of refrigerant 7 Defective refrigerant circuit

(clogs)

(Heating mode)

1 Clogged filter (reduced airflow) 2 Short cycle of air path 3 Over-load (high temperature)

operation out of the tolerance range

4 Defective indoor fan motor

• Fan motor is defective.

• Indoor controller board is defective.

5 Defective outdoor fan control 6 Overcharge of refrigerant 7 Defective refrigerant circuit

(clogs)

8 Bypass circuit of outdoor unit

is defective.

1 Slight temperature difference

between indoor room

temperature and pipe <liquid or condenser/evaporator> temperature thermistor

• Shortage of refrigerant

• Disconnected holder of pipe <liquid or condenser/

evaporator> thermistor

• Defective refrigerant circuit

2 Converse connection of extension pipe (on plural units

connection) 3 Converse wiring of indoor/ outdoor unit connecting wire

(on plural units connection) 4 Defective detection of indoor

room temperature and pipe

<condenser/evaporator> temperature thermistor 5 Stop valve is not opened completely.

5 Check outdoor fan motor. 67 Check operating condition of refrigerant

circuit.

(Heating mode)

1 Check clogs of the filter. 2 Remove blockage.

4 Refer to 10-6.

5 Check outdoor fan motor. 6~8 Check operating condition of refrigerant

circuit.

1~4 Check pipe <liquid or condenser/evapora-

tor> temperature with room temperature display on remote controller and outdoor controller circuit board.

Pipe <liquid or condenser/evaporator>

temperature display is indicated by setting SW2 of outdoor controller circuit board as follows.

Conduct temperature check with outdoor controller circuit board after connecting

(

‘A-Control Service Tool(PAC-SK52ST)’.

23 Check converse connection of extension

pipe or converse wiring of indoor/outdoor unit connecting wire.

)

Note 3) It takes at least 27 minutes to

detect abnormality.

Note 4) It excludes the period of defrosting.

(Detection restarts when defrosting mode is over.)

Heating range : 3 °C [ (TH5-TH1)

Error Code

Abnormal point and detection method

Pipe temperature thermistor/ Condenser-Evaporator (TH5)

1 The unit is in 3-minute resume protec-

tion mode if short/open of thermistor is detected. Abnormal if the unit does not get back to normal within 3 minutes. (The unit returns to normal operation, if it has been reset normally.)

2 Constantly detected during cooling,

drying, and heating operation (except

defrosting) Short: 90: or more Open: -40: or less

Remote controller transmission error(E0)/signal receiving error(E4)

1 Abnormal if main or sub remote con-

troller cannot receive any transmission

normally from indoor unit of refrigerant

address “0” for 3 minutes. (Error code : E0) 2 Abnormal if sub remote controller could

not receive any signal for 2 minutes.

(Error code: E0) 1 Abnormal if indoor controller board can

not receive any data normally from

remote controller board or from other

indoor controller board for 3 minutes.

(Error code: E4) 2 Indoor controller board cannot receive

any signal from remote controller for 2

minutes. (Error code: E4)

Cause

1 Defective thermistor characteristics 2 Contact failure of connector

(CN44) on the indoor controller

board (Insert failure) 3 Breaking of wire or contact failure of thermistor wiring 4 Temperature of thermistor is

90: or more or -40: or less

caused by defective refrigerant

circuit. 5 Defective indoor controller

board

1 Contact failure at transmission

wire of remote controller

2 All remote controllers are set

as “sub” remote controller. In this case, E0 is displayed on remote controller, and E4 is displayed at LED (LED1, LED2) on the outdoor controller circuit board.

3 Miswiring of remote controller 4 Defective transmitting receiving

circuit of remote controller

5 Defective transmitting receiving

circuit of indoor controller board of refrigerant addresses “0”.

6 Noise has entered into the

transmission wire of remote controller.

Countermeasure

1–3 Check resistance value of thermistor. For characteristics, refer to (P1) above. 2 Check contact failure of connector (CN44)

on the indoor controller board. Refer to 10-7. Turn the power on and check restart after

inserting connector again. 4 Operate in test run mode and check pipe

<condenser/evaporator> temperature with

outdoor controller circuit board. If pipe <condenser/evaporator> temperature is

extremely low (in cooling mode) or high (in

heating mode), refrigerant circuit may have

defect. 5 Operate in test run mode and check pipe

<condenser/evaporator> temperature with

outdoor control circuit board. If there is extreme difference with actual pipe <condenser / evaporator> temperature,

replace indoor controller board. There is no abnormality if none of above

comes within the unit. Turn the power off and on again to operate.

In case of checking pipe temperature with outdoor controller circuit board, be sure to connect A-control service

(

tool (PAC-SK52ST).

1 Check disconnection or looseness of indoor

unit or transmission wire of remote controller. 2 Set one of the remote controllers “main” if there is no problem with the action above. 3 Check wiring of remote controller.

• Total wiring length: max. 500m (Do not use cable x 3 or more.)

• The number of connecting indoor units: max. 16 units

• The number of connecting remote controller: max. 2 units

When it is not the above-mentioned problem of

1~3 4 Diagnose remote controllers.

a) When “RC OK” is displayed,

Remote controllers have no problem. Turn the power off, and on again to check. If abnormality generates again, replace indoor controller board.

b) When “RC NG” is displayed,

Replace remote controller.

c) When “RC E3” or “ERC 00-66” is dis-

played, noise may be causing abnormality.

* If the unit is not normal after replacing

indoor controller board in group control, indoor controller board of address “0” may be abnormal.

)

Remote controller transmission error(E3)/signal receiving error(E5)

1 Abnormal if remote controller could not

find blank of transmission path for 6 seconds and could not transmit.

(Error code: E3) 2 Remote controller receives transmitted

data at the same time and compares the received and transmitted data. Abnormal if these data are judged to be different 30 continuous times. (Error code: E3)

1 Abnormal if indoor controller board could

not find blank of transmission path.

(Error code: E5) 2 Indoor controller board receives trans-

mitted data at the same time and compares the received and transmitted data. Abnormal if these data are judged to be different 30 continuous times. (Error code: E5)

1 2 remote controllers are set as

“main.” (In case of 2 remote con trollers) 2 Remote controller is connected

with 2 indoor units or more. 3 Repetition of refrigerant

address 4 Defective transmitting receiving

circuit of remote controller 5 Defective transmitting receiving

circuit of indoor controller board 6 Noise has entered into trans-

mission wire of remote control-

ler.

1 Set a remote controller to main, and the

other to sub.

2 Remote controller is connected with only one

indoor unit.

3 The address changes to a separate setting. 4~6 Diagnose remote controller.

a) When “RC OK” is displayed, remote con-

trollers have no problem.

Turn the power off,and on again to check.

When becoming abnormal again, replace

indoor controller board.

b) When “RC NG” is displayed, replace

remote controller.

c) When “RC E3” or “ERC 00-66” is dis-

played, noise may be causing abnormality.

Error Code

Abnormal point and detection method

Indoor/outdoor unit communication error (Signal receiving error)

1 Abnormal if indoor controller board cannot receive any signal normally for 6

minutes after turning the power on. 2 Abnormal if indoor controller board cannot receive any signal normally for 3

minutes. 3 Consider the unit abnormal under the fol-

lowing condition: When 2 or more indoor

units are connected to an outdoor unit, indoor controller board cannot receive a signal for 3 minutes

from outdoor controller circuit board, a

signal which allows outdoor controller

circuit board to transmit signals.

Cause

1 Contact failure, short circuit or,

miswiring (converse wiring) of indoor/outdoor unit connecting wire

2 Defective transmitting receiving

circuit of indoor controller board

3 Defective transmitting receiving

circuit of indoor controller board

4 Noise has entered into indoor/

outdoor unit connecting wire.

Countermeasure

* Check LED display on the outdoor control

circuit board. (Connect A-control service

tool, PAC-SK52ST.) Refer to outdoor unit service manual. 1 Check disconnection or looseness of indoor/

outdoor unit connecting wire of indoor unit or

outdoor unit. Check all the units in case of twin triple indoor unit system. 2-4 Turn the power off, and on again to check.

If abnormality generates again, replace

indoor controller board or outdoor controller circuit board. * Other indoor controller board may have defect in case of twin triple indoor unit system.

Indoor/outdoor unit communication error (Transmitting error)

Abnormal if “1” receiving is detected 30 times continuously though indoor controller board has transmitted “0”.

Indoor controller board

Abnormal if data cannot be read normally from the nonvolatile memory of the indoor controller board.

Remote controller control board

1 Abnormal if data cannot be read nor-

mally from the nonvolatile memory of the remote controller control board.

(Error code: E1) 2 Abnormal if the clock function of remote

controller cannot be operated normally.

(Error code: E2)

Forced compressor stop (due to water leakage abnormality)

1 The unit has a water leakage abnor-

mality when the following conditions, a) and b), are satisfied while the abovementioned detection is performed.

a) The intake temperature subtracted

with liquid pipe temperature detects to be less than -10: for a total of 30 minutes. (When the drain sensor is detected to be NOT soaked in the water, the detection record of a) and b) will be cleared.)

b) Drain float switch detects to be in the

water for more than 15 minutes.

*Once the water leakage abnormality is

detected, abnormality state will not be released until the main power is reset.

1 Defective transmitting receiving

circuit of indoor controller board

2 Noise has entered into power

supply.

3 Noise has entered into outdoor

control wire.

1 Defective indoor controller

board

1 Defective remote controller 1 Replace remote controller.

1 Drain pump trouble 2 Drain defective

· Drain pump clogging

· Drain pipe clogging

3 Open circuit of float switch 4 Contact failure of float switch

connector

5 Dew condensation on float

switch

· Drain water descends along lead wire.

· Drain water waving due to filter clogging.

6 Extension piping connection

difference at twin, triple, quadruple system.

1-3 Turn the power off, and on again to check.

If abnormality generates again, replace indoor controller board.

1 Replace indoor controller board.

1 Check the drain pump. 2 Check whether water can be drained.

3 Check the resistance of the float switch. 4 Check the connector contact failure.

5 Check the float switch leadwire mounted.

Check the filter clogging.

6 Check the piping connection.

7 Miswiring of indoor/ outdoor

connecting at twin, triple, quadruple system.

8 Room temperature thermistor/

liquid pipe temperature thermistor detection is defective.

7 Check the indoor/outdoor connecting wires.

8 Check the room temperature display of

remote controller.

Check the indoor liquid pipe temperature dis

play of outdoor controller board.

10-4. TROUBLESHOOTING BY INFERIOR PHENOMENA

Note: Refer to the manual of outdoor unit for the detail of remote controller.

Phenomena

(1)LED2 on indoor controller board is off.

• When LED1 on indoor controller board is also off. 1 Power supply of rated voltage is not supplied to out-

door unit.

2 Defective outdoor controller circuit board

3 Power supply of 220~240V is not supplied to indoor

unit.

4 Defective indoor controller board

Cause

Countermeasure

1 Check the voltage of outdoor power supply terminal block (L, N) or (L

• When AC 220~240V is not detected, check the power wiring to outdoor unit and the breaker.

• When AC 220~240V is detected, check

2 (below).

2 Check the voltage between outdoor

terminal block S1 and S2.

• When AC 220~240V is not detected,

—check the fuse on outdoor controller

circuit board.

—check the wiring connection.

• When AC 220~240V is detected, check

3 (below).

3 Check the voltage between indoor termi-

nal block S1 and S2.

• When AC 220~240V is not detected,

check indoor/outdoor unit connecting wire for miswiring.

• When AC 220~240V is detected,

check 4 (below).

4 Check the fuse on indoor controller

board. Check the wiring connection. If no problem are found, indoor controller

board is defective.

3, N).

(For the separate indoor/outdoor unit power sup-

ply system)

1 Power supply of 220~240V AC is not supplied to

indoor unit.

2 The connectors of the optional replacement kit are

not used.

3 Defective indoor controller board

• When LED1 on indoor controller board is lit. 1 Mis-setting of refrigerant address for outdoor unit (There is no unit corresponding to refrigerant address “0”.)

1 Check the voltage of indoor power supply

terminal block (L,N).

• When AC220~240V is not detected, check the power supply wiring.

• When AC220~240V is detected, check 2 (below).

2 Check that there is no problem in the

method of connecting the connectors.

• When there are problems in the method of connecting the connectors,

connect the connector correctly refer-

ring to installation manual of an optional kit.

• When there is no problem in the method of connecting the connectors,

check 3 (below).

3 Check the fuse on indoor controller

board. Check the wiring connection. If no problem are found, indoor controller

board is defective.

1 Check again the setting of refrigerant

address for outdoor unit. Set the refrigerant address to “0”. (For grouping control system under

which 2 or more outdoor units are connected, set one of the units to “0”.) Set refrigerant address using SW1 (3-6) on outdoor controller circuit board.

Phenomena

(2)LED2 on indoor controller board is blinking.

Note: Refer to the manual of outdoor unit for the detail of remote controller.

Cause

• When LED1 on indoor controller board is also blinking. Connection failure of indoor/outdoor unit connecting wire

Countermeasure

Check indoor/outdoor unit connecting wire for connection failure.

(3)Upward/downward vane performance failure

• When LED1 is lit. 1 Miswiring of remote controller wires

Under twin triple indoor unit system, 2 or more indoor

units are wired together.

2 Refrigerant address for outdoor unit is wrong or not

set. Under grouping control system, there are some units whose refrigerant address is 0.

3 Short-cut of remote controller wires 4 Defective remote controller

1 The vane is not downward during defrosting and heat

preparation and when the thermostat is OFF in HEAT

mode. (Working of COOL protection function) 2 Vane motor does not rotate.

• Defective vane motor

• Breaking of wire or connection failure of connector

3 Upward/downward vane does not work.

• The vane is set to fixed position.

1 Check the connection of remote con troller wires in case of twin triple indoor unit system. When 2 or more indoor units are wired in one refrigerant system, connect remote controller wires to one of

those units.

2 Check the setting of refrigerant address

in case of grouping control system. If there are some units whose refrigerant addresses are 0 in one group, set one of the units to 0 using SW1 (3-6) on outdoor controller circuit board. 34 Remove remote controller wires and check LED2 on indoor controller board.

• When LED2 is blinking, check the shortcut of remote controller wires.

• When LED2 is lit, connect remote

controller wires again and: if LED2 is blinking, remote controller is defective; if LED2 is lit, connection failure of remote controller terminal block etc. has returned to normal.

1 Normal operation (The vane is set to

horizontal regardless of remote control.)

2 Check 2 (left).

• Check the vane motor. (Refer to “How to check the parts”.)

• Check for breaking of wire or connection failure of connector.

3 Normal operation (Each connector on

vane motor side is disconnected or setting the fixed vanes by wired remote

controller.)

(4)Receiver for wireless remote controller

1 Weak batteries of wireless remote controller. 2 Contact failure of connector (CNB) on wireless

remote controller board

(Insert failure) 3 Contact failure of connector (CN90) on indoor con-

troller board (Insert failure)

4 Contact failure of connector between wireless remote

controller board and indoor controller board

1 Replace batteries of wireless remote con-

troller.

2~4 Check contact failure of each connector. If no problems are found of connector,

replace indoor controller board.

When the same trouble occurs even if

indoor controller board is replaced,

replace wireless remote controller

board.

10-5. EMERGENCY OPERATION

10-5-1. When wireless remote controller fails or its battery is exhausted

When the remote controller cannot be used

When the batteries of the remote controller run out or the remote controller malfunctions, the emergency operation can be done using the emergency buttons on the grille.

DEFROST/STAND BY lamp Operation lamp

Emergency operation switch (heating)

Emergency operation switch (cooling) Receiver Starting operation

• To operate the cooling mode, press the button

seconds

• To operate the heating mode, press the button

seconds

* Lighting of the Operation lamp

Details of EMERGENCY MODE are as shown below.

Operation mode COOL HEAT Set temperature 24°C 24°C Fan speed High High Air ow direction Horizontal Downward 5

Stopping operation

• To stop operation, press the

for more than 2

means the start of operation.

button or the button .

10-5-2. When wired remote controller or indoor unit microcomputer fails

1. When the wired remote control or the indoor unit microcomputer has failed, but all other components work properly, if you set the switch (SWE) on the indoor controller board ON, the indoor unit will begin Emergency Operation. When Emergency Operation is activated, the indoor unit operates as follows: (1) Indoor fan is running at high speed. (2) Drain-up machine is working. + Note on the wireless remote control When the remote control does not function, it is possible to activate. Emergency Operation by using the indoor unit Emergency operation switch (SW1, SW2 of the wireless signal receiver board). However, if the indoor unit microcomputer has failed, it is nesessary to proceed with points 2 and 3 below as in the case of the wired remote control.

2. When you activate Emergency operation of the cooling or heating, you have to set the switch (SWE) on the indoor controller board and activate Emergency operation of the outdoor unit. For details on how to activate Emergency operation of the outdoor unit, refer to the outdoor unit wiring diagram.

Note: Emergency operation will not work unless outdoor unit is PU series.

3. Before you activate Emergency operation, check the following points: (1) Emergency operation cannot be activated when:

• the outdoor unit malfunctions. • the indoor fan malfunctions.

• when it has detected the malfunction of drain-up machine during self-diagnosing. (2) Emergency operation becomes continuous only by switching the power source on/off. ON/OFF on the remote control or temperature control etc. does not function. (3) Avoid operating for a long time when the outdoor unit begins defrosting while Emergency operation of the heating is activated, because it will start to blow cold air. (4) Emergency cooling should be limited to 10 hours maximum (The indoor unit heat exchanger may freeze). (5) After Emergency operation has been deactivated, set the switches etc. to their original positions. (6) Movement of the vanes does not work in Emergency operation, therefore you have to slowly set them manually to the appropriate position.

10-6. HOW TO CHECK THE PARTS PLA-RP35BA.UK PLA-RP50BA.UK PLA-RP60BA.UK PLA-RP71BA.UK

PLA-RP100BA.UK PLA-RP125BA.UK PLA-RP140BA.UK PLA-RP35BA

1.UK PLA-RP50BA1.UK PLA-RP60BA1.UK PLA-RP71BA1.UK

PLA-RP35BA#2.UK PLA-RP50BA#2.UK PLA-RP60BA#2.UK PLA-RP71BA#2.UK PLA-RP100BA#2.UK PLA-RP125BA#2.UK PLA-RP140BA#2.UK PLA-RP71BA2.UK PLA-RP100BA2.UK PLA-RP125BA2.UK PLA-RP140BA2.UK

Parts name Check points

Room temperature thermistor (TH1)

Pipe temperature thermistor/liquid(TH2)

Condenser/Evaporator temperature thermistor (TH5)

Disconnect the connector then measure the resistance with a tester. (At the ambient temperature of 10~30)

Normal

4.3k~9.6k

Abnormal

Open or short

(Refer to the thermistor.)

Vane motor (MV)

White

Orange

Red

Blue

Yellow

Drain pump (DP)

YLW

Drain float switch (FS)

Moving part

i-see sensor (Option)

Measure the resistance between the terminals with a tester. (At the ambient temperature of 20~30)

Connector

Normal

Abnormal

Red - Yellow (-, -, -, -)

Red - Blue (-, -, -, -)

Red - Orange (-, -, -, -)

300

Open or short

Red - White (-, -, -, -)

Measure the resistance between the terminals with a tester. (Winding temperature 20)

Normal Abnormal

290  Open or short

Measure the resistance between the terminals with a tester.

State of moving part

DOWN Other than open

Normal

Short Other than short

Open

Abnormal

Switch

Magnet

Moving Part

Turn on the indoor unit with the black plastic tape on the outside of i-see sensor controller board. With electricity being turned on, measure the power voltage between connectors with tester. i-see sensor rotates and pull out the connector of motor for i-see sensor.

4321

43 1

Blue

Black

Brown

Pink

Vane motor for i-see sensor (Option)

White

Orange

Red

Blue

Yellow

Do not disassemble corner panel with i-see sensor.

Black plastic tape

i-see sensor (At the ambient temperature of 10~40)

i-see sensor connector

(–)—(+)

(+)—(–) Other than the normal

Normal DC 1.857V ~ 3.132V Other than the normal

DC 0.939V ~ 1.506V

NOTE : Be careful not to discharge static electricity into electronics.

Measure the resistance between the terminals with a tester. (At the ambient temperature of 20~30)

Connector

Normal

Abnormal

Red - Yellow

Red - Blue

Red - Orange

250 

Open or short

Red - White

Abnormal

10-6-1. Thermistor

Thermistor for lower temperature

Room temperature thermistor (TH1) Pipe temperature thermistor/liquid (TH2) Condenser/evaporator temperature thermistor (TH5)

< Thermistor for lower temperature >

Thermistor R0=15k' ± 3% Fixed number of B=3480 ± 2%

Rt=15exp { 3480( ) }

273+t

273

0: 15k' 10: 9.6k' 20: 6.3k' 25: 5.4k' 30: 4.3k' 40: 3.0k'

10-6-2. DC Fan motor (FAN MOTOR/INDOOR CONTROLLER BOARD)

Check method of DC fan motor (fan motor / indoor controller circuit board)

Notes



· High voltage is applied to the connector (CNMF) for the fan motor. Pay attention to the service.

· Do not pull out the connector (CNMF) for the motor with the power supply on. (It causes trouble of the indoor controller circuit Self check



Symptom : The indoor fan cannot turn around.

Indoor controller board fuse check

Is the fuse normal?

Yes

Wiring contact check

Contact of fan motor connector (CNMF)

board and fan motor.)

Is the resistance between the terminals of drain pump normal?

Replace the drain pump.

Yes

Resistance (k)

-20 -10 0 10 20 30 40 50

Temperature ()

Replace the fan motor. Replace the indoor controller board.

Is there contact failure?

Power supply check (Remove the connector (CNMF))

Measure the voltage in the indoor controller circuit

TEST POINT TEST POINT  : VCC (between 5 (+) and 4 (-) of the fan connector): VCC DC 15 V

Is the voltage normal?

Check the operation

Replace the fan motor.

 : VDC (between 1 (+) and 4 (-) of the fan connector): VDC DC 310~340 V

Replace indoor

controller board

Yes

Wiring recovery

board.

Replace the fan motor.

Check the operation of fan. END

Replace indoor controller board.

END

10-7.TEST POINT DIAGRAM

Indoor controller board

PLA-RP35/50/60/71/100/125/140BA.UK PLA-RP35/50/60/71BA PLA-RP30/50/60/71/100/125/140BA#2.UK PLA-RP71/100/125/140BA2.UK

CN90 Connect to the wireless remote controller board (CNB)

CN4Y i-see sensor

CN6Y i-see sensor motor output 12V DC pulse output

1.UK

LED3 Transmission (Indoor/outdoor)

CN3G Connect to the auto grille controller board (CN3G) 13V pulse output

CNV Vane motor output (MV) 12V pulse output

SW1 Model selection

SW2 Capacity setting

LED2 Power supply (R.B)

CN4F Drain float switch (FS)

CN44 Pipe temperature thermistor

1-2 : Liquid (TH2) 3-4 :

Condenser/Evaporator(TH5)

CN20 Room temperature thermistor (TH1)

LED1 Power supply (I.B)

CNMF Fan motor

1-4: DC 310~340V 5-4: DC15V

Jumper wire J41,J42 Pair No. setting for wireless remote controller

CN2L Connector (LOSSNAY)

SWE Emergency operation

CN41 Connector (HA terminal-A)

CN32 Connector (Remote switch)

CN22 Connect to the terminal block (TB5) (Remote controller connecting wire) (10.4~14.6V DC)

CN3C Transmission (Indoor/outdoor) (0~24V DC)

: Voltage between pins of

C955 15VDC (Same as 5(+)–4(-) of CNMF)

CNP Drain-pump output (DP) (220-240V AC)

CNAC Connect to the auto grille controller board (CN3A) (220-240V AC)

CN01 Connect to the Terminal Block (TB4) (Indoor/outdoor connecting line) Between 3 and 5 220-240V AC

FUSE 6.3A /250V

10-8. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE

Each function is controlled by the dip switch and the jumper wire on control P.C. board.

The black square (■) indicates a switch position

Jumper wire ( : Short : Open)

Jumper wire

SW1

SW2

J41 J42

Functions

Model settings

Capacity settings

Pair number setting with wireless remote controller

Setting by the dip switch and jumper wire

MODELS

PLA-RP·BA

PLA-RP71BA2 PLA-RP100BA2 PLA-RP125BA2

PLA-RP140BA2

MODELS

PLA-RP35BA

PLA-RP50BA

PLA-RP60BA

PLA-RP71BA(2)

Wireless remote

controller setting

0 1 2

3 ~ 9

SETTING

1 2 3 4 5

12345

23451

SETTING

12345

PLA-RP100BA(2)

ON OFF

PLA-RP125BA(2)

ON OFF

PLA-RP140BA(2)

ON OFF

Control PCB setting

J41 J42

ON OFF

MODELS

SETTING

12345

Remarks

ON OFF

<Initial setting> Wireless remote controller: 0 Control PCB: (for both J41 and J42) 4 pair number settings are supported. The pair number settings of the wireless remote controller and indoor control PCB (J41/J42) are given in the table on the left. (' ' in the table indicates the jumper wire is dis connected.)

JP1

JP3

Unit type setting

Indoor controller board type setting

Model

Without TH5

With TH5

Indoor controller board type

For product

Service parts

JP1

There is no jumper (JP1) because these models have the cond./eva. temperature thermistor (TH5).

JP3

SPECIAL FUNCTION

11-1. HOW TO PERFORM THE UP/DOWN OPERATION OF THE AIR INTAKE GRILLE

11-1-1. Setting up the lowering distance of air intake grille

You can set up 8 different stages of lowering distance for the air intake grille according to the set up location if desired.

* As a factory default, the decorative panel will automatically

stop at 1.6 m from the ceiling surface. The distance is a rough indication, check by actually lowering it.

1) Take the cover off the electric box of the decorative panel. (2 screws)

2) Set up the dip switches of SW22 or SW2 on the control board of the decorative panel as followed.

Dip SW 22 Dip SW 2

Decorative panel

Cover for Electric Box of the decorative panel

Screws

Control board of the decorative panel SW 22 or SW2

Unit

The black square (■) indicates a switch position. The black square (■) indicates a switch position.

Lowering distance

(Rough indication

of the ceiling height)

1.2m

(~ 2.4m)

2.0m

(2.8m ~ 3.2m)

2.8m

(3.6m ~ 4.0m)

3.6m

(4.4m ~ 4.8m)

SW22

(Lowering distance)

* Airflow outreach distance is different depending on indoor units and

air volume (ceiling height), so airflow may not reach the indicated ceiling height as shown in the above table.

Lowering distance

(Rough indication

of the ceiling height)

1.6m

(2.4m ~ 2.8m)

2.4m

(3.2m ~ 3.6m)

3.2m

(4.0m ~ 4.4m)

4.0m

(4.8m ~ 5.2m)

SW22

(Lowering distance)

Initial setting

Lowering distance

(Rough indication

of the ceiling height)

1.2m

(~ 2.4m)

2.0m

(2.8m ~ 3.2m)

2.8m

(3.6m ~ 4.0m)

3.6m

(4.4m ~ 4.8m)

SW2

(Lowering distance)

Lowering distance

(Rough indication

of the ceiling height)

1.6m

(2.4m ~ 2.8m)

2.4m

(3.2m ~ 3.6m)

3.2m

(4.0m ~ 4.4m)

4.0m

(4.8m ~ 5.2m)

* Airflow outreach distance is different depending on indoor units and

air volume (ceiling height), so airflow may not reach the indicated ceiling height as shown in the above table.

3) Put the cover back on the electric box of the decorarive panel.

11-1-2. How to perform the up/down operation using wireless remote controller

1) Ensure that the air-conditioner is not running.

2) Press the "Down" button to lower the air intake grille.

Warning:

* By default, the air intake grille will automatically stop at a lowering distance of 1.6 m from the ceiling level. The distance can be changed to 1.2 m, 2.0 m, 2.4 m, 2.8 m, 3.2 m, 3.6 m and 4.0 m. These should be used only as a guide. You should lower the air intake grille yourself to check the exact distance. * When you want to stop the air intake grille while it is lowering, press the "Stop" or "Up" button on the remote controller to stop at that position.

3) Remove the filter or air intake grille and clean them.

4) Attach the filter and air intake grille.

5) Press the "Up" button on the remote controller to put the air intake grille in place.

* If the air intake grille is not placed in the correct position at a time, the operation is automatically retried. * When you want to stop the air intake grille while it is rising, press the "Stop" or "Down" button on the remote controller to stop at that position.

Ensure that the air-conditioner is not running.

• Otherwise, it may cause an injury or a failure.

Wireless remote controller for Automatic Filter Elevation Panel

SW2

(Lowering distance)

Initial setting

11-1-3. How to perform the up/down operation using wired remote controller (PAR-21MAA)

■General Operation

* Raise or lower all the air intake grilles managed by the remote controller at the same time.

Install the remote controller in a place where you can observe all the air-conditioners. Otherwise, the lowering grille may make contact with something and cause damage to it.

1) Ensure that the air-conditioner is not running.

* The up/down operation mode is only available when the

airconditioner is "OFF".

Warning:

Ensure that the air-conditioner is not running.

• Otherwise, it may cause an injury or a failure.

2) Press both the "FILTER" and "Ventilation" buttons simultaneously for 2 seconds or more to enter the up/down operation mode.

"Up/down operation mode" display

3) Press the TEMP. ( ) button. After a while, the air intake grille will begin lowering.

"Stand by for lowering" display

"Lowering" display (blinking)

"Stopped" display (when finished lowering)

Alternately

[

]

Note:

• You cannot stop the operation while the air intake grille is lowering.

* If you press the ( ) button while the air intake grille is moving down, the air intake grille

may stop lowering, but it will not stop immediately.

• By default, the air intake grille will automatically stop at the lowering distance of 1.6 m

from the ceiling level.

* The distance can be changed to 1.2 m, 2.0 m, 2.4 m, 2.8 m, 3.2 m, 3.6 m, and 4.0 m. These should be used only as a guide. You should lower the air intake grille yourself to check the exact distance.

the air intake grille

4) Remove the filter and/or air intake grille to clean them.

5) Press the TEMP. ( ) button. After a while, the air intake grille will begin to rise and then be put back into place.

"Stand by for raising" display

"Raising" display (blinking)

"Stopped" display (when the air intake grille has been put back into place)

Alternately

[

]

Note:

• You cannot stop the operation while the air intake grille is rising.

* If you press the ( ) button while the intake grille is moving up, the air

intake grille may stop rising, but it will not stop immediately.

6) Exit the up/down mode either by pressing the "ON/OFF" button or by pressing both the "FILTER" and "Ventilation" buttons simultaneously for 2 seconds or more.

* After exiting the up/down mode, wait for

about 30 seconds to perform the next operation. The remote controller will not accept any operation for that period.

Operation status

display

Down/Up

buttons

TEMP.

MONITOR/SET

BACK DAY

PAR-21MAA

CLOCK

ON/OFF

OPERATION

ON/OFF

FILTER

CHECK

CLEAR

Button to exit the up/down operation mode

Buttons to enter the up/down operation mode (Press them

TEST

simultaneously for 2 seconds.)

3333

■

Up/down operation with the individual specified air-conditioner (when used in combination with Mr. SLIM model)

* Raise or lower the air intake grille of the specific air-conditioner that you select from all that are managed by that remote controller.

1) Ensure that the air-conditioner is not running.

* The up/down operation mode is only available when the

Warning:

Ensure that the air-conditioner is not running.

• Otherwise, it may cause an injury or a failure.

air-conditioner is "OFF".

2) Press both the "FILTER" and "Ventilation" buttons simultaneously for 2 seconds or more to enter the up/down operation mode.

Up/down operation mode

3) Press the "Ventilation" button. After a while, it will switch to the "individually-specified up/down operation mode".

Up/down operation mode

Individually-specified up/down operation mode

Unit No.

Refrigerant address No.

In the upper right figure, the air-conditioner for which the refrigerant address is "00"

If the number of the target airconditioner is unknown, go to 4).

and the unit No. is "1" is currently selected.

If the number of the target airconditioner is known, go to 5).

4) If you press the "FILTER" button when the "Unit No." or "Refrigerant address No." is blinking, after a while, the up/down airflow direction of the displayed air-conditioner will be switched downward; and the airflow direction of the other vents will all be blocked.

■ In Step 5) described below, identify the target

air-conditioner by changing the "Unit No." and "Refrigerant address No." and by pressing the "FILTER" button to check the up/down airflow direction.

[Remarks:]

■ If "Err" is displayed when you press the "FILTER" button to check the target air-conditioner, the air-conditioner with that "Unit No." or "Refrigerant address" may not exist. Check and set that air-conditioner again.

5) Select the "Unit No." and "Refrigerant address No.".

■ "Unit No." and "Refrigerant address No." can be changed by using the "TEMP." buttons ( ) ( ) when the panel displays (a) or (b).

■ Every time you press the "Mode selection" button, the target of operation will change as illustrated below.

(a) "Unit No." selection display

[Remarks:]

■ Each pressing action changes the unit No. from "1 - 4" to "0".

(Unit No. "0" means that all of 1 - 4 are targeted.)

(b) "Refrigerant address No." selection display

■ Each press changes the "Refrigerant address" from "0 to 15".

6) Continue to press the "Mode selection" button until "Waiting for up/down operation" is displayed.

"Waiting for up/down operation" display

The following steps are the same as steps 3) - 6) described in the "General Operation" section. Refer to that section.

Operation status display

Down/Up buttons (for selecting unit No. and refrigerant address)

Mode selection

TEMP.

MONITOR/SET

BACK DAY

PAR-21MAA

CLOCK

ON/OFF

OPERATION

ON/OFF

CHECK

CLEAR

FILTER

TEST

Button to exit the up/down operation mode

Buttons to enter the up/down operation mode (Hold them down simultaneously for 2 seconds.)

11-2. OPERATION (AUTOMATIC FILTER ELEVATION PANEL: PLP-6BAJ)

(1) Normal operation

 UP/DOWN Air intake grille is raised/lowered by commands of UP and DOWN. Air intake grille does not move under the state of no-load detection or obstacle detection. Air intake grille stops automatically at the set lowering distance from the ceiling level.  STOP It stops in the cases below :

• When it reaches at the set lowering distance from the ceiling level. It automatically stops after a predetermined period

of lowering.

• When it is stored in the panel. The air intake grille is judged to be stored in the panel when the storage detection switch is pressed for 3 seconds continuously.

• When receiving commands of STOP, DOWN while moving up or UP while moving down. The STOP button is only available on the automatic filter elevation panel remote controller. When the wired remote controller is used, there will be a slight delay in stopping due to transmission speed.

• When both wire 1b and 2b are not loaded. Only the wire b in each UP/DOWN Machine has a tension detection switch.

UP/DOWN Machine 1

Detection switch

Wire 1a

Wire 1b

UP/DOWN Machine 2

Wire 2a

Fig.1

Wire 2b

(2) Special operation

Storage operation Case : Obstruction of the raising grille before storage or malfunction of storage detection switch Storage operation will be performed when the intake grille has been raised the set distance but the storage detection switch is not engaged. In this case, the operation below will be repeated up to 4 times. 10 cm down 30 cm up ···· 10 cm down 30 cm up  No-load detection Case : UP/DOWN commands with no grille suspended. When both wire 1b and wire 2b are not loaded, the wires will not move.  Obstacle detection Case : Making contact with something while lowering. Should the loads on the wire 1b and wire 2b be removed due to the grille making contact with something while lowering, the lowering operation will stop. The grille will then be raised 10 cm and stop again.

[Emergency operation]

• When the wireless remote controller cannot be used (in the case of battery discharge, misplacing of the wireless remote controller, malfunctioning and so on), the emergency switch on the receiver can be used as an alternative. * When doing this, particular caution must be taken not to fall. To lower the air intake grille : Press the button once. (For emergency heating operation, press and hold this button.) To raise the air intake grille : Press the button once. (For emergency cooling operation, press and hold this button.)

• To stop the air intake grille from moving, use the opposite buttons to those used to initiate movement. (To stop it from lowering, press the UP button; To stop it from rising, press the Down button.)

• If up/down machine is out of order, fix air intake grille temporarily and the indoor unit can be operated. + For details, refer to installation manual for the attachment of grille.

11-3. ELECTRICAL CIRCUIT (Controller board and wiring diagram (Panel))

11-3-1. Dip SW 22 type

UK1

LS21

MU1

LS21

MU1

LS1

2 1

WHT WHT

BLK BLK

CN2G

(BLK)

CN2F

(BLK)

Symbol Name Symbol Name

U.B Auto grille controller board W.B Wireless remote controller board

FUSE Fuse (3.15A)

SW22 Switch (Lowering distance set up) SW1 Emergency switch (heating/down)

UK1 Up/down machine SW2 Emergency switch (cooling/up)

MU1 Motor (Up/down) LS1 Limit switch (storage detection) LS21 Limit switch (tension detection) R.B Wired remote controller

I.B Indoor controller board

11-3-2. Dip SW 2 type

SW22

123456789

SW22

CN2E (RED)

CN3G

(BLK)

B R N

CN2C

(WHT)

SW2

Panel

FUSE

CN2B

(WHT)

CN3A

(RED)

11325

U.B

W.B

CNB

(WHT)

2 3

SW1

5 6 7

SW2

GRN/YLW

Indoor unit

I.B

CNAC (WHT)

CN22 (BLU)

CN90 (WHT)

CN3G (BLK)

TB5

TB6

R.B

BZ Buzzer RU Receiver

SYMBOL NAME SYMBOL NAME

U.B CONTROLLER BOARD UK1

FUSE FUSE (T3.15AL250V)

SWITCH (MODEL SELECTION)

SW1

SWITCH (LOWERING DISTANCE)

SW2

SWITCH (SYSTEM SELECTION)

SW3

LED RED

LED1

(MICROCOMPUTER POWER)

LED RED

LED2

(GRILLE CONDITION)

I.B

W.B

RU RECEIVING UNIT

SW1

SW2

INDOOR UNIT CONTROLLER BOARD

WIRELESS SIGNAL RECEIVER BOARD BUZZER

EMERGENCY HEATING LONG PRESS FOR OVER 2 SEC)

EMERGENCY COOLING LONG PRESS FOR OVER 2 SEC)

GRILLE / DOWN (SHORT PRESS)

GRILLE / UP (SHORT PRESS)

LS1

R.B.

SYMBOL NAME

UP/DOWN MACHINE M MOTOR (FOR GRILLE UP/DOWN) LS21

LIMIT SWITCH (TENSION DETECTION)

LIMIT SWITCH (STORAGE DETECTION)

WIRED REMOTE CONTROLLER

11-3-3. Check point of trouble <LED (SW22 type) /LED2 (SW2 type) display>

Turn OFF : No power supply Blink : Storage detection switch ON (short) One blink : Storage detection switch OFF (open) Two blinks : Tension detection switch OFF (open)

Check item Check point Normal Remarks Up/down controller

P.C. board supply voltage

Up/down machine supply voltage

CN3A (between 3-5)

AC 198~264 V

CN2B, CN2C DC 10~12 V

Check when instructing up/down with LED blinking once.

Check item Check point Normal Check contents Storage detection

switch Tension detection

switch Motor CN2B, CN2C 5~20  Check if it is not open or short.

Entwining wires Pull wire

CN2E open or short Check if it is short when pressing push switch.

CN2F, CN2G open or short Check if it is short when wire b is tensioned.

Retension: about 2 kgf

Check if wire is drawn out by pulling with 3 kgf.

11-4. TROUBLESHOOTING

•

Check the following points.

Problem Possible Reason Corrective Action

Air intake grille does not function with operation of the wireless remote controller.

Air intake grille cannot be fixed in place.

Air intake grille stops lowering. (Air intake grille would not lower any further.)

Noises are made during up/down operation. (While air intake grille is moving up/down.)

Air-conditioner is running. Stop running the air-conditioner and try again.

Power failure

Batteries are not inserted into the wireless remote controller. Or battery power is running low.

There is something on the air intake grille. Or something is stuck in the air intake grille.

There is something on the air intake grille.

Filter is not properly installed.

Air intake grille is not hung with all 4 hooks.

The air intake grille has finished lowering to the auto-stop position.

This is the noise made when the wire is wound and unwound.

After recovering from power failure, try again.

Insert or replace the battery.

Remove the objects or obstacles from the air intake grille. Or, remove the stuck object.

Remove the objects or obstacles from the air intake grille.

Lower the air intake grille again and check whether the filter is installed in the correct position.

Lower the air intake grille again and hook on the air intake grille.

This is normal.

Noises are made while putting the air intake grille into place.

Air intake grille repeats rising and lowering several times while being put into place.

Air intake grille leans toward one side during the up/down operation.

This is the operational noise for putting the air intake grille into place.

This is the operation for putting the air intake grille into place.

The speeds of winding/unwinding wires are slightly different for each wire.

This is normal.

11-5. ROTATION FUNCTION (AND BACK-UP FUNCTION, 2ND STAGE CUT-IN FUNCTION)

11-5-1. Operation

(1) Rotation function (and Back-up function)

• Outline of functions

· Main and sub unit operate alternately according to the interval of rotation setting. w Main and sub unit should be set by refrigerant address. (Outdoor Dip switch setting) Refrigerant address "00" Main unit Refrigerant address "01" Sub unit

· When error occurs to one unit, another unit will start operation.(Back-up function)

• System constraint

· This function is available only by the grouping control system (INDOOR UNIT : OUTDOOR UNIT=1:1) of 2 refrigerant groups. (Refer to Fig. 1)

· Main indoor unit should be connected for wired remote controller and the transmission line (TB5) for main and sub unit should also be connected. (Refer to Fig. 1)

(This function cannot be set by wireless remote controller.)

· Set refrigerant address of each unit. (Dip switch on the outdoor unit···Refrigerant address 00/01)

Operation pattern

[Back-up function only]··· Request code number "312"

Start operation

Main

unit

IC-1

Sub unit

IC-2



[Rotation function] & [Back-up function]··· Request code number "313~318"

Start operation

Main

unit

IC-1

Sub unit

IC-2

(Ex:When the request code number is "313", each unit operates alternately in daily cycle.)

Run

Stop

Main Sub Main Sub Main Sub

Run

Stop

1~28 days 1~28 days

Error occurs on main unit. Main Sub

Abnormal condition

Run

Stop

Run

Stop Run

Error occurs on main unit.

Abnormal condition

Main unit

Refrigerant address "00"

OC-1

3(2)

IC-1

Fig. 1

OC : Outdoor unit IC : Indoor unit RC : Wired remote controller

Refrigerant address "01"

OC-2

Sub

3(2)

unit

IC-2

Note:

· When the unit is restarted to operate after turning off the power or OFF operation, the unit which was operationg will start operation.

· To operate the main unit, refer to the 11-5-2. and set the request code No. which is not the same as the current one, and set again the former request code No.

(2) 2nd stage cut-in function Outline of functions

· When the 1st unit can NOT supply with sufficient capacity for exceptionally high-demand conditions and the actual room temperature reaches set point *, the 2nd unit starts operation in conjunction with the 1st unit.

· Once the actual room temperature goes down to 4degrees C below set point *, the 2nd unit stops operation automatically. (* set point = set temperature by R/C (remote controller) + 4, 6, 8: (selectable) )

· Number of operating units is determined according to the room temperature and set point.

· When room temperature becomes higher than set point, standby unit starts.(2 units operation)

· When room temperature falls below set point -4:, standby unit stops.(1 unit operation)

• System constraint

· This function is available only in cooling mode.

Ex.) Set temp. by R/C = 20:

Set point = 26: When request code number is “323”.

26: 2nd unit Cut-in

4 degree C

22: 2nd unit Cut-out

[2nd stage cut-in function]··· Request code number "322~324"

Start operation Sub unit start operation

Main

unit

IC-1

Sub unit

IC-2

Room temp. Set point

Run

Stop StopRun

20:

11-5-2. How to set rotation function (Back-up function, 2nd stage cut-in function)

You can set these functions by wired remote controller. (Maintenance monitor)

NOTICE

Both main and sub unit should be set in same setting. Every time replacing indoor controller board for servicing, the function should be set again.

(1) Request Code List

Rotation setting

Setting No.

(Request code)

No.1

(310)

No.2

(311)

No.3

(312)

No.4

(313)

No.5

(314)

No.6

(315)

No.7

(316)

No.8

(317)

No.9

(318)

Setting contents

Monitoring the request code of current setting.

Rotation and Back-up OFF (Normal group control operation)

Back-up function only

Rotation ON (Alternating interval = 1day) and back-up function

Rotation ON (Alternating interval = 3days) and back-up function

Rotation ON (Alternating interval = 5days) and back-up function

Rotation ON (Alternating interval = 7days) and back-up function

Rotation ON (Alternating interval = 14days) and back-up function

Rotation ON (Alternating interval = 28days) and back-up function

Initial

setting

Room temp. < Set point -4

Sub unit stop

2nd unit cut-in setting

Setting No.

(Request code)

No.1

(320)

No.2

(321)

No.3

(322)

No.4

(323)

No.5

(324)

Setting contents

Monitoring the request code of current setting.

Cut-in function OFF

Cut-in function ON(Set point = Set temp.+ 4(7.2F)

Cut-in function ON(Set point = Set temp.+ 6(10.8F)

Cut-in function ON(Set point = Set temp.+ 8(14.4F)

Initial

setting

(2) Setting method of each function by wired remote controller













1. Stop operation().

2. Press the button () for 3 seconds so that [Maintenance mode] appears on the screen (). After a while, [00] appears in the refrigerant address number display area. (at  )

3. Press the button () for 3 seconds to switch to [Maintenance monitor].

Note) It is not possible to switch to [Maintenance monitor] during data request in maintenance mode

[----] appears on the screen () when [Maintenance monitor] is activated. (The display () now allows you to set a request code No.)

TEST

CHECK

(i.e., while “----” is blinking) since no buttons are operative.









B: Refrigerant address C: Data display area D: Request code display area

4. Press the [TEMP ( and )] buttons () to select the desired refrigerant address.

[ScreenB]

5. Press the [CLOCK ( and )] buttons () to set the desired request code No. (“311~318”, “321~324”)

6. Press the button () to perform function setting. If above setting operations are done correctly, "Request code number will appear in data display area.() [Example: When the "311" of "Request code number" is set, [311] appears on the screen.()]

[Refererence] You can check current "request code number" setting by setting the "request code number" (“310” or “320”) and pressing the button.() [Example: When the current setting is "Setting No.2 (Request code 311)", [311] appears on the screen.()]

7. To return to normal mode, press the button ().

FILTER

  

ON/OFF

DISASSEMBLY PROCEDURE

PLA-RP35BA.UK PLA-RP50BA.UK PLA-RP60BA.UK PLA-RP71BA.UK PLA-RP100BA.UK PLA-RP125BA.UK PLA-RP140BA.UK PLA-RP35BA

1.UK PLA-RP50BA1.UK PLA-RP60BA1.UK PLA-RP71BA1.UK

PLA-RP35BA#2.UK PLA-RP50BA#2.UK PLA-RP60BA#2.UK PLA-RP71BA#2.UK PLA-RP100BA#2.UK PLA-RP125BA#2.UK PLA-RP140BA#2.UK PLA-RP71BA2.UK PLA-RP100BA2.UK PLA-RP125BA2.UK PLA-RP140BA2.UK

Be careful when removing heavy parts.

OPERATING PROCEDURE

1. Removing the air intake grille

(1) Slide the knob of air intake grille toward the arrow 1 to

open the air intake grille. (2) Remove drop prevention hook from the panel. (3) Slide the shaft in the hinge to the direction of the arrow 2

and remove the air intake grille.

2. Removing the room temperature thermistor (TH1)

(1) Remove the air intake grille and the filter. (See Figure 1) (2) Remove the 2 screws from the electrical box. (3) Disconnect the connector CN20 (Red) from the indoor con troller board. (4) Remove the room temperature thermistor and holder.

3. Removing the reactor (DCL)

(1) Remove the air intake grille and the filter. (See Figure 1) (2) Remove the 2 screws from the reactor cover. (3) Disconnect the relay connector of reactor. (4) Remove 2 reactor fixing screws and remove the reactor.

PHOTOS & ILLUSTRATIONS

Figure 1

Photo 1

Filter

Reactor cover

Fixing screw (reactor)

4. Removing the indoor controller board (I.B)

(1) Remove the air intake grille and the filter. (See Figure 1) (2) Remove the 2 screws from the electrical box cover. (3) Disconnect the connectors : CNMF (White/7P) for fan motor CN44 (White/4P) for thermistor (TH2/TH5) CNP (Blue/3P) for drain pump CN4F (White/4P) for float switch CN01 (Black/5P) for earth and reactor CNV (White/20P) for vane motor (4) Remove the 6 supports from indoor controller board. (5) Remove the indoor controller board.

5. Removing the electrical box

(1) Remove the air intake grille and the filter. (See Figure 1) (2) Remove the 2 screws from the electrical box cover. (3) Disconnect the connectors. (Refer to 4.)

Remove 2 electrical box fixing screws and remove 2 hooks.

(4) (5) Pull the electrical box.

Indoor controller board

Terminal block (TB4)(TB5)

Electrical box cover

Photo 2

Electrical box Fixing screw

Electrical box

Fixing screw

(Electrical box)

Bell mouth

Indoor controller board (I.B)

Room temp. thermistor (TH1)

Turbo fan

Electrical box Fixing screw

4141

OPERATING PROCEDURE

6. Removing the fan and fan motor (MF)

(1) Remove the electrical box. (See Photo 2) (2) Remove the bell mouth (3 screws). (See Photo 2) (3) Remove the turbo fan nut. (4) Pull out the turbo fan. (5) Remove the wire cover (3 screws). (6) Remove 2 wiring clamps. (7) Disconnect the connector of the fan motor (CNMF). (8) Remove the 3 nuts and washers and rubber mounts of the

fan motor.

7. Removing the panel

(1) Remove the air intake grille and the filter. (See Figure 1) (2) Disconnect the connector CNV (White/20P).

Corner panel (See Figure 2)

(3) Remove the corner screw. (4) Slide the corner panel to the direction of the arrow 1, and

remove the corner panel.

Panel (See Photo 4, 5)

(5) Remove the 2 screws from the panel which fix to the oval

holes.

(6) Rotate the panel a little to come to the bell shaped hole

where the screw is large and remove the panel.

PHOTOS & ILLUSTRATIONS

Photo 3

Fan motor

Figure 2

Corner panel

Photo 4

Screw

Detail

Screw

Ball shaped hole

Coil plate

Corner panel

Oval hole

Clamp

Wire cover fixing screw

Nut Washer Rubber mount

Panel

Photo 5

8. Removing the drain pan

(1) Remove the air intake grille and the filter. (See Figure 1) (2) Remove the 2 screws from the electrical box cover. (3) Disconnect the connectors. (Refer to 4.) (4) Remove the panel. (See Photo 4, 5) (5) Remove the electrical wiring service panel (3 screws). (6) Remove the electrical box. (See Photo 2) (7) Remove the bell mouth. (See Photo 2) (8) Remove the 4 screws and pull out the drain pan. w Pull out the left and right of the pan gradually. Be careful not to crack or damage the pan.

9. Removing the pipe temperature thermistor (TH2) and condenser evaporator temperature thermistor (TH5)

(1) Remove the drain pan. (See Photo 6) (2) Remove the turbo fan. (See Photo 3) (3) Remove the 2 wiring clamps. (See Photo 3) (4) Remove the coil plate (2 screws). (5) Remove the thermistors which are inserted into the holders

installed to the thin copper pipe.

(6) Disconnect the 4-pin white connector (CN44).

Photo 6

Drain pan fixing screw

Electrical wiring service panel

Drain pan fixing screw

Photo 7

Electrical wiring service panel fixing screw

Liquid pipe temp. thermistor (TH2)

Drain pan

Drain pan fixing screw

Cond./ eva. thermistor (TH5)

OPERATING PROCEDURE

PHOTOS & ILLUSTRATIONS

10. Removing the drain pump (DP) and float switch (FS)

(1) Remove the drain pan. (See Photo 6) (2) Cut the hose band and remove the hose. (3) Remove the drain pump assembly (3 screws and 2 hooks). (4) Remove the drain pump (3 screws). (5) Remove the float switch (2 screws).

Photo 8

Float switch

Hose band

Drain pump

Drain pump assembly fixing screw

Photo 9

11. Removing the heat exchanger

(1) Remove the drain pan. (See Photo 6) (2) Remove the 3 screws of the piping cover, and pull out

piping cover. (3) Remove the 2 screws of coil plate. (4) Remove the 2 screws of the coil. (5) Remove the screw of the coil support. (6) Pull out the heat exchanger.

Drain pump fixing screw

Photo 10

Piping cover

Coil plate

Heat exchanger fixing screw

Coil support fixing screw

Float switch fixing screw

Heat exchanger

Coil support

HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN

CCopyright 2007 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in Aug. 2009 No.OCH412 REVISED EDITION-E PDF 6 Distributed in Mar. 2009 No.OCH412 REVISED EDITION-D PDF 6 Distributed in Apr. 2008 No.OCH412 REVISED EDITION-C PDF 7 Distributed in Feb. 2008 No.OCH412 REVISED EDITION-B PDF 7 Distributed in Oct. 2007 No.OCH412 REVISED EDITION-A PDF 7 Distributed in Mar. 2007 No.OCH412 PDF 7 Made in Japan

New publication, effective Aug. 2009 Specifications subject to change without notice

Mitsubishi PLA-RP35BA, PUHZ-RP35VHA user guide manual

Specifications and Main Features

Frequently Asked Questions

User Manual