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TCH070A

9-5. EMERGENCY OPERATION

9-5-1. When IR wireless remote controller troubles or its battery is exhausted

9-5-2. When wired remote controller or indoor unit microprocessor fails

When the remote controller cannot be used

When the batteries of the remote controller run out or the remote control-

ler malfunctions, the emergency operation can be done using the emer-

gency buttons on the grille.

DEFROST/STAND BY lamp (Orange)

Operation lamp (Green)

Emergency operation switch (heating)

Emergency operation switch (cooling)

Receiver

Starting operation

• To operate the cooling mode, press the button for more than 2

seconds.

• To operate the heating mode, press the button for more than 2

seconds.

Note: Lighting of the Operation lamp means the start of operation.

Details of emergency mode are as shown below.

Operation mode

COOL

HEAT

Set temperature

75°F [24°C]

Fan speed

High

Airflow direction

Horizontal

Downward 5

Stopping operation

• To stop operation, press the button or the button .

75°F [24°C]

1.When the wired remote control or the indoor unit microcomputer has failed, but all other components work properly,

setting the switch (SWE) on the indoor controller board ON will begin the indoor unit Emergency Operation.

When Emergency Operation is activated, the indoor unit operates as follows:

(1) Indoor fan is running at high speed. (2) Drain pump is working.

Note on the IR 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 IR wireless signal

receiver board).

However, if the indoor unit microprocessor has failed, it is necessary to proceed with points 2 and 3 below as in the

case of the wired remote control.

2.When activating Emergency Operation of the cooling or heating, 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.

3.Before activating Emergency Operation, check the following points:

(1)Emergency Operation cannot be activated when:

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

• it has detected the malfunction of drain pump 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 slowly set them

manually to the appropriate position.

TCH070A.indd 32

7/2/2565 16:46:50

Содержание Mr. Slim PLA Series

Страница 1: ... for GRILLE PLA A12EA7R1 TH PLA A18EA7R1 TH PLA A24EA7R1 TH PLA A30EA7R1 TH PLA A36EA7R1 TH PLA A42EA7R1 TH PLA A12EA7 PLA A18EA7 PLA A24EA7 PLA A30EA7 PLA A36EA7 PLA A42EA7 Indoor unit Model Name Service Ref SPLIT SYSTEM HEAT PUMP No TCH070 February 2022 MENU ON OFF RETURN SELECT HOLD Grille model Model Name PLP 41EAEU IR WIRELESS REMOTE CONTROLLER Option ON OFF TEMP Notes This manual describes s...

Страница 2: ... U1 MXZ 8C48NA2 U1 MXZ 8C48NAHZ2 U1 MXZ 8C60NA2 U1 OCH730A OCB730A PUZ A12 18 36 42NK7 BS PUZ A24 30NHA7 BS PUY A12 18 36 42NKA7 BS PUY A24 30NHA7 BS PUZ A12 18 36 42NK7 BS PUZ A24 30NHA7 BS PUY A12 18 36 42NKA7 BS PUY A24 30NHA7 BS OCH636D OCB636A PUZ HA24NHA1 PUZ HA30 36NKA PUZ HA42NKA1 PUZ HA24NHA1 PUZ HA30 36NKA PUZ HA42NKA1 OCH750B OCB750 Remote controller Optional parts Wired remote controll...

Страница 3: ... to flare and flange connections must be ester oil ether oil or alkylbenzene oil in a small amount Make sure that the inside and outside of refrige rant piping is clean and it has no contaminants such as sulfur oxides dirt shaving particles etc which are hazards to refrigerant cycle In addition use pipes with specified thickness Store the piping indoors and keep both ends of the piping sealed unti...

Страница 4: ... hazards 10 After installation has been completed check for refrigerant leaks If refrigerant leaks into the room and comes into contact with the flame of a heater or portable cooking range poisonous gases will be released 11 Do not use low temperature solder alloy in case of brazing the refrigerant pipes 12 When performing brazing work be sure to ventilate the room sufficiently Make sure that ther...

Страница 5: ...cle with specified amount of refrigerant 4 When performing service install a filter drier simultaneously Be sure to use a filter drier for new refrigerant No Tool name Specifications 1 Gauge manifold Only for R410A Use the existing fitting specifications UNF1 2 Use high tension side pressure of 768 7 PSIG 5 3MPa G or over 2 Charge hose Only for R410A Use pressure performance of 738 2 PSIG 5 09MPa ...

Страница 6: ...rain pipe Filter Vane Gas pipe Liquid pipe Air outlet Air intake Intake grille i see Sensor Option Signal receiver Option Model name indication for MAIN UNIT Model name indication for GRILLE TCH070A indd 6 TCH070A indd 6 7 2 2565 16 46 45 7 2 2565 16 46 45 ...

Страница 7: ...e button function varies with the screen 2 SELECT HOLD button 7 Function button F1 Press to return to the previous screen Main display Press to decrease temperature Main menu Press to move the cursor left Menu screen The button function varies with the screen 3 RETURN button 8 Function button F2 4 MENU button 9 Function button F3 Press to bring up the Main menu Main display Press to increase tempe...

Страница 8: ...saving mode Will not appear on some models of indoor units Appears when the built in thermistor on the remote controller is activated to monitor the room temperature 1 appears when the thermistor on the indoor unit is acti vated to monitor the room temperature Appears when an energy saving operation is performed us ing a 3D i See sensor function Indicates the louver setting Indicates the ventilati...

Страница 9: ...rn Clock Main Sub Temp range Auto OFF timer Schedule Daylight saving time Clock Administrator password Operation locked 3D i See sensor High power Vane Louver Vent Lossnay Comfort Timer Energy saving Basic setting Display setting Operation setting Restriction Weekly timer OU silent mode Timer menu Main display Display details Contrast Brightness Language selection Auto mode Setback mode Continue t...

Страница 10: ...ry Maintenance password Dealer information input Error information Test run menu Maintenance information Filter information Cleaning Settings menu Check menu Other menu Auto descending panel Descending operation Self check Descending adjustment Remote controller check Continue from the previous page Not all functions are available on all models of indoor units TCH070A indd 10 TCH070A indd 10 7 2 2...

Страница 11: ...8 operation patterns can be set for each day Not valid when the ON OFF timer is enabled OU silent mode 1 3 Use to set the time periods in which priority is given to quiet operation of outdoor units over temperature control Set the Start Stop times for each day of the week Select the desired silent level from Normal Middle and Quiet Energy saving Restriction Temp range 2 Use to restrict the preset ...

Страница 12: ...n Use to check error information when an error occurs Check code error source refrigerant address unit model manufacturing number contact information dealer s phone number can be displayed The unit model manufacturing number and contact information need to be registered in advance to be displayed Filter information Use to check the filter status The filter sign can be reset Cleaning Auto descendin...

Страница 13: ...Buttons used to set the hour and minute of the current time and timer settings h and min buttons display display FAN SPEED display indicates which fan speed has been selected display The vertical direction of airflow is indicated display Blinks when model is selected display display CHECK and TEST RUN display indicate that the unit is being checked or test run display OPERATION MODE display Operat...

Страница 14: ... setting Set Temperature buttons Set Time button Sets the time Airflow button Changes up down airflow direction Mode button Changes operation mode Timer ON button Timer OFF button OFF ON button Fan Speed button Changes fan speed SET SEND button CANCEL button Up Down buttons Menu button i see button Reset button Remote controller display Battery replacement indicator Transmission area Not available...

Страница 15: ...low Low Medium2 Medium1 High CFM m min 460 490 570 600 13 14 16 17 External static pressure Pa mmAq 0 direct blow Booster heater kW Operation control Thermostat Remote controller built in Noise level Low Medium2 Medium1 High dB 28 29 31 32 Field drain pipe O D inch mm 1 1 4 32 Dimensions W inch mm MAIN UNIT 33 1 16 840 PANEL 37 13 32 950 D inch mm MAIN UNIT 33 1 16 840 PANEL 37 13 32 950 H inch mm...

Страница 16: ...edium2 Medium1 High CFM m min 670 850 1020 1200 19 24 29 34 External static pressure Pa mmAq 0 direct blow Booster heater kW Operation control Thermostat Remote controller built in Noise level Low Medium2 Medium1 High dB 32 37 41 44 Field drain pipe O D inch mm 1 1 4 32 Dimensions W inch mm MAIN UNIT 33 1 16 840 PANEL 37 13 32 950 D inch mm MAIN UNIT 33 1 16 840 PANEL 37 13 32 950 H inch mm MAIN U...

Страница 17: ... FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 BAND CENTER FREQUENCIES Hz PLA A24EA7R1 TH PLA A30EA7R1 TH NOTCH SPL dB LINE High 36 Medium1 33 Medium2 30 Low 28 NOTCH SPL dB LINE High 38 Medium1 35 Medium2 32 Low 28 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 BAND CENTER FREQUENCI...

Страница 18: ...NUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 BAND CENTER FREQUENCIES Hz 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 bar OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 bar MAIN UNIT 5 ft MICROPHONE CEILING TCH070A ...

Страница 19: ...R1 TH PLA A24EA7R1 TH PLA A30EA7R1 TH PLA A36EA7R1 TH PLA A42EA7R1 TH 6 OUTLINES AND DIMENSIONS Unit inch mm 16 9 16 420 16 9 16 420 PLA A12 18EA7R1 TH PLA A24 42EA7R1 TH TCH070A indd 19 TCH070A indd 19 7 2 2565 16 46 48 7 2 2565 16 46 48 ...

Страница 20: ...ECEIVING UNIT EMERGENCY OPERATION FAN DOWN EMERGENCY OPERATION COOL UP I SEE SENSOR MOTOR TERMINAL BLOCK INDOOR UNIT POWER AND TRANSMISSION LINE LED PREPARATION FOR HEATING ORANGE HEAT PUMP ONLY TB4 TB5 TB6 TH1 TH2 TH5 BZ LED1 LED2 RU SW1 SW2 MT TB2 R B W B OPTION PART CONNECTOR LOSSNAY CN2L CN32 CN41 CN51 CN105 F1 LED1 LED2 LED3 SW1 SW2 SWE DP FS MF MV CONNECTOR REMOTE SWITCH CONNECTOR HA TERMINA...

Страница 21: ...rigerant flow in cooling Refrigerant flow in heating Strainer 50 Strainer 50 Heat exchanger Refrigerant GAS pipe connection Flare Refrigerant LIQUID pipe connection Flare 8 REFRIGERANT SYSTEM DIAGRAM PLA A12EA7R1 TH PLA A18EA7R1 TH PLA A24EA7R1 TH PLA A30EA7R1 TH PLA A36EA7R1 TH PLA A42EA7R1 TH TCH070A indd 21 TCH070A indd 21 7 2 2565 16 46 48 7 2 2565 16 46 48 ...

Страница 22: ...he unit after finishing service 3There is no abnormality in electrical component controller board remote controller etc 1Re check the abnormal symptom 2Conduct troubleshooting and ascertain the cause of the trouble according to 9 4 TROUBLESHOOTING BY INFERIOR PHENOMENA 3Continue to operate unit for the time being if the cause is not ascertained 4There is no abnormality concerning of parts such as ...

Страница 23: ...rigerant address display HOUR button ON OFF button Malfunction diagnosis method at maintenance service 9 2 MALFUNCTION DIAGNOSIS METHOD BY REMOTE CONTROLLER In case of trouble during operation When a malfunction occurs to air conditioner both indoor unit and outdoor unit will stop and operation lamp blinks to inform unusual stop IR wireless remote controller PAR FL32MA Continue to the next page 5 ...

Страница 24: ... OPERATION INDICATOR lamp blinks 1 Check code Number of times IR wireless remote controller Wired remote controller 1 P1 Intake sensor error P9 Pipe TH5 sensor error 2 P2 Pipe TH2 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Float switch connector open 5 P5 PA Drain pump error Forced compressor stop due to water leakage abnormality 6 P6 Freezing Overheating protection operatio...

Страница 25: ...g for the outdoor unit s power terminal block L1 L2 GR Incorrect wiring between indoor and outdoor units incorrect polarity of S1 S2 S3 Remote controller wire short 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 microproc...

Страница 26: ...reset normally 2 Constantly detected during cooling drying and heating except defrosting operation Short 194 F 90 or more Open 40 F 40 or less Note When all of the following conditions have been satisfied the error is not detected 1 During cooling operation or for 3 min utes after cooling operation is stopped 2 Up to 16 minutes from 10 seconds after cooling operation is started 3 Outside temperatu...

Страница 27: ...ork ing 1 Freezing protection Cooling mode In case when outside temperature 4 F 20 The unit is in 6 minute resume preven tion mode if pipe liquid or condenser evaporator temperature stays under 5 F 15 for 3 minutes 3 minutes after the compressor started Abnormal if it stays under 5 F 15 for 3 minutes again within 16 minutes after 6 minute resume prevention mode In case when outside temperature 4 F...

Страница 28: ...3Check converse connection of exten sion pipe or converse wiring of indoor outdoor unit connecting wire P9 Condenser evaporator temperature ther mistor 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...

Страница 29: ...ective 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 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 abov...

Страница 30: ...ise has entered into outdoor control wire 1 3 Turn the power off and on again to check If abnormality generates again replace indoor controller board FB Fb Indoor controller board Abnormal if data cannot be read normally from the nonvolatile memory of the indoor controller board 1 Defective indoor controller board 1 Replace indoor controller board E1 or E2 Remote controller control board 1 Abnorma...

Страница 31: ...aking 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 2 Receiver for IR wireless remote controller 1 Weak batteries of IR wireless remote con troller 2 Contact failure of connector CNB on IR wireless remote controller board Insert failure 3 Contact failure of connector CN90 on indo...

Страница 32: ...l 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 IR wireless signal receiver board However if the indoor unit microprocessor has failed it is necessary to proceed with points 2 and 3 below as in the case of the wired remote control 2 When activating Emergency Operation of the cooling or hea...

Страница 33: ...te Yellow Blue Red Orange White i See sensor 1 2 3 4 1 2 3 4 Black Black Black Black Turn the power ON while the i See sensor connector is connected to the CN4Z on indoor controller board A communication between the indoor controller board and i See sensor board is made to detect the connection Normal When the operation starts the motor for i See sensor is driven to rotate the i See sensor Abnorma...

Страница 34: ...nector CNMF Measure the voltage in the indoor controller circuit board TEST POINT 1 VDC between 1 and 4 of the fan connector VDC 294 325 V DC TEST POINT 2 VCC between 5 and 4 of the fan connector VCC 15 V DC Correct wiring Replace the drain pump DP Replace the indoor controller board Replace the defective fan motor Replace the indoor controller board I B Replace the defective fan motor MF Replace ...

Страница 35: ...put J41 J42 Jumper wire Pair No setting with wireless remote controller SW2 Capacity setting LED3 Communication Indoor outdoor SWE Jumper switch Emergency operation CN32 Remote switch CN01 Connect to the terminal block TB4 Indoor outdoor connecting line 220 V AC F1 FUSE 6 3A 250 V CN3C Connect to the terminal block TB4 Indoor outdoor connecting line 0 24 V DC Communication CNP Drain pump DP 13 V D...

Страница 36: ...the table on the left in the table indicates the jumper wire is disco nnected Jumper wire Short Open 1 2 3 4 5 6 ON OFF MODEL Service PLA A EA7 Service PLA A12EA7 MODEL ON OFF 1 2 3 4 5 Service PLA A30EA7 MODEL ON OFF 1 2 3 4 5 PLA A18EA7 ON OFF 1 2 3 4 5 PLA A36EA7 ON OFF 1 2 3 4 5 PLA A24EA7 ON OFF 1 2 3 4 5 PLA A42EA7 ON OFF 1 2 3 4 5 9 8 FUNCTIONS OF DIP SWITCH AND JUMPER WIRE Each function is...

Страница 37: ...ed options High efficiency filter Not supported 10 1 Supported 2 Up down vane setting Downward setting vanes angle setup 3 11 1 Middle setting vanes angle setup 1 2 Draft less setting vanes angle setup 2 1 3 3D i See sensor positioning Position 1 12 2 1 Position 2 2 Position 3 Default 3 3D i See sensor ceiling height setting when installing the 3D i See sensor panel Low ceiling ceiling height less...

Страница 38: ...junction with the 1st unit Once the actual room temperature goes down to 7 2 F 4 below set point the 2nd unit stops operation automatically set point set temperature by R C remote controller 7 2 10 8 14 4 F 4 6 8 C selectable Number of operating units is determined according to the room temperature and set point When room temperature reaches higher than set point standby unit starts 2 units operat...

Страница 39: ...ing contents Rotation ON Alternating interval 28days and back up function Rotation ON Alternating interval 14days and back up function Rotation ON Alternating interval 1day and back up function Back up function only No 5 324 Rotation ON Alternating interval 7days and back up function Rotation ON Alternating interval 5days and back up function Rotation ON Alternating interval 3days and back up func...

Страница 40: ... button Select Check with the F1 or F2 button and press the SELECT button Select Request code with the F1 or F2 button and press the SELECT button Set the Refrigerant address and Request code Select the item to be changed with the F1 or F2 button Select the required setting with the F3 or F4 button Press the F3 or F4 button to set the Refrigerant address 0 Press the F3 or F4 button to set the desi...

Страница 41: ...y time You can set these functions by wired remote controller Note that the change can be made only by the wired remote controller PAR 40MAA Notes 1 Both main and sub unit should be set in the same setting 2 Every time replacing indoor controller board for service the function should be set again 3 Stop the air conditioner operation before changing the heater ON delay time Setting No Request code ...

Страница 42: ...gure 2 3 Removing the electrical box cover 1 Remove the air intake grille and the filter Refer to procedure 2 2 Loosen the 2 electrical box cover fixing screws M4 10 approximately 2 to 3 mm See Photo 1 3 Slide the electrical box cover toward the arrow to remove See Photo 2 Photo 1 Photo 2 Knob Electrical box cover Electrical box cover fixing screws Hook of drop prevention strap Slide Intake grille...

Страница 43: ... signal receiver CNP White for drain pump CN4F White for float switch CN44 White for thermistor TH2 TH5 CN01 Black for Indoor Outdoor connecting line CN3C Blue for Indoor Outdoor transmission Disconnect the connectors for optional parts if any 3 For the unit controlled with the wireless remote control ler disconnect the lead wire connected to TB5 on the indoor controller board TB5 Remote controlle...

Страница 44: ...ve the electrical box See Photo 3 and refer to procedure 6 2 Remove the bell mouth tapping screw 4 10 2 screws See Photo 6 3 Remove the nut and washer 1 nut See Photo 7 and 8 4 Remove the turbo fan Photo 8 Electrical box Bell mouth fixing screws Bell mouth Turbo fan Nut and washer Turn this way to tighten Turn this way to loosen The same directions as the fan rotation Rubber mount Note When re att...

Страница 45: ...isconnect the connector for vane motor CNV White Refer to procedure 5 3 Loosen the 4 corner panel fixing screws tapping screw 4 16 See Figure 4 4 Slide the corner panel to the direction of the arrow 1 and remove the corner panel See Figure 4 5 Remove the 4 installation screws M5 28 See Photo 11 6 Release the 2 temporary hanging hooks to remove the grille See Photo 12 Figure 4 Corner panel Corner p...

Страница 46: ... thermistor TH5 1 Remove the drain pan Refer to procedure 10 and loos en the 2 clamps of the coil plate See Photo 10 2 Remove the coil plate tapping screw 4 10 2 screws 3 Disconnect the pipe temperature thermistor liquid TH2 and the condenser evaporator temperature thermistor TH5 from the holder Photo 14 Drain pan Drain pan fixing screws Drain pan fixing screws Condenser evaporator temperature the...

Страница 47: ...ain pump See Photo 15 3 Remove the float switch tapping screw 4 10 1 screw 1 hook See Photo 15 4 Remove the float switch base and the lead wire fixing band See Photo 16 5 Remove the lead wire from the U shaped portion of the float switch base See Photo 16 6 Slide the float switch towards the arrow to remove from the float switch base Photo 16 Tapping screws Drain pump Float switch Clamp Hose band ...

Страница 48: ...s 5 Remove the coil support tapping screw 4 10 1 screw each PLA A12 18EA7 1 coil support See photo17 PLA A24 30 36 42EA7 3 coil supports See photo18 6 Remove the heat exchanger Photo 17 Photo 18 Coil support fixing screw Coil support Heat exchanger fixing screws Piping cover Coil plate Heat exchanger Coil support fixing screw Coil support Heat exchanger fixing screws Coil plate Heat exchanger Pipi...

Страница 49: ...TCH070A indd 49 TCH070A indd 49 7 2 2565 16 46 56 7 2 2565 16 46 56 ...

Страница 50: ... PRODUCTS THAILAND CO LTD 700 406 MOO 7 TAMBON DON HUA ROH AMPHUR MUANG CHONBURI 20000 THAILAND Issued Feb 2022 No TCH070 REVISED EDITION A Published Oct 2021 No TCH070 Made in Thailand Specifications are subject to change without notice TCH070A indd 50 TCH070A indd 50 7 2 2565 16 46 56 7 2 2565 16 46 56 ...

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