7
WIRING DIAGRAM
MODEL PCH24/30/36/42GK WIRING DIAGRAM
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| (AC208/230V) |
| P.B |
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| CNSK | (DC13.1V) |
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| CN2S |
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| MF |
| (RED) TRANS |
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| (WHT) |
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| 1 | 2 | 3 |
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| 2 |
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| C |
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| 1 |
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| 1 |
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I.B | RED | WHT | BLK | BLK WHT |
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| RED BLU | BLK WHT |
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| 1 3 5 | 1 3 | POWER |
| POWER | 1 3 | 1 2 | VANE |
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FAN | CNDK |
| CND | CN6V | 6 | ||||||
(WHT) |
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| (WHT) |
| (RED) |
| CN2D | (WHT) |
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| X4 |
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| F2 | F1 | (WHT) |
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| WIRELESS |
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FC |
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| X4 |
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| ZNR |
| CN90 |
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TB2
RED L1
BLU L2
GR
GRN/YLW
6
MV
9
POWER SUPPLY ~(1PHASE) AC208/230V 60Hz
W.B
BZ CNB
MODELS
24GK
30GK
36GK
42GK
SW7
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
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| LED1 LED2 |
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| SW3 |
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| SW9 | CENTRALLY |
| REMOCON 4 |
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| REMOCON |
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| ON |
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| ON |
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| CONTROL |
| POWER | 3 | BLU | ||||||||||||
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| OFF |
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| OFF |
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| CN51 |
| CN40 | 2 | CN22 | 2 |
| BLU | |||||||||
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| (BLU) |
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| 12 |
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| 12345 |
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| (WHT) | 1 | 1 |
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| SW2 |
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| SW5 |
| SW8 |
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| SW1 |
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| SW6 | SW7 |
| INTAKE PIPE |
| OUT | 3 |
| BRN | |||||||||||||||||||||||
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| CN20 |
| CN21 LOSSNAY DOOR |
| ORN | ||||||||||||||||||||||||||||||
ON |
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OFF |
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| (RED) |
| (WHT) | CN2L CN30 | 2 |
| YLW | |||||
123456 1234 | 123456 123456789101234 123 |
| 1 2 |
| 1 | 2 |
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| (BLU) | 1 |
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| BLK | BLK |
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| 1 |
| 2 |
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RU
LED1 LED2 SW2 SW1
TB5
2
1TRANSMISSION WIRES DC12V
| 3 | 3 |
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| 2 | 2 | SW18 |
| 1 | 1 | OFF |
TB4 | TRANSMISSION WIRES |
| ON |
DC12V | TB3 | 87654321 | |
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| OUTDOOR UNIT | SW17 |
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| OFF |
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| ON |
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| 87654321 |
R.B
A01 B02
TB6
CN1
5 4 3 2 1
CN2
3 2 1
RT1 RT2 | H | FS1 FS2 |
| 88H1 | TB2 | |
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| RED 1 | RED 5 | 3 | RED | L1 |
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| WHT 2 | BLU 5 | 3 | BLU | L2 |
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| 88H2 |
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POWER SUPPLY ~(1PHASE) AC208/230V 60Hz
SYMBOL | NAME | SYMBOL | NAME | SYMBOL | NAME | ||
P.B | INDOOR POWER BOARD | C | CAPACITOR(FAN MOTOR) | W.B | WIRELESS REMOTE CONTROLLER BOARD(OPTION) | ||
I.B | INDOOR CONTROLLER BOARD MF | FAN MOTOR |
| RU | RECEIVING UNIT | ||
| CN2L | CONNECTOR(LOSSNAY) | MV | VANE MOTOR |
| BZ | BUZZER |
| CN51 | CONNECTOR(CENTRALLY CONTROL) TB2 | TERMINAL BLOCK(POWER) |
| LED1 | LED(RUN INDICATOR) | |
| FC | FAN PHASE CONTROL | TB4 | TERMINAL BLOCK(INDOOR/OUTDOOR TRANSMISSION LINE) |
| LED2 | LED(HOT ADJUST) |
| SW1 | SWITCH(FUNCTION SELECTOR) TB5 | TERMINAL BLOCK(REMOTE CONTROLLER |
| SW1 | SWITCH(HEATING ON/OFF) | |
| SW2 | SWITCH(ADDRESS SELECTOR) |
| TRANSMISSION LINE) |
| SW2 | SWITCH(COOLING ON/OFF) |
| SW3 | SWITCH(EMERGENCY OPERATION) RT1 | ROOM TEMP.THERMISTOR | HEATER |
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| SW5 | SWITCH(MODEL SELECTOR) |
| (32°F/15k",77°F/5.4k" DETECT) |
| FS1,2 THERMAL FUSE<243°F/16A:24GK> | |
| SW6 | SWITCH(TWIN/TRIPLE SELECTOR) RT2 | PIPE TEMP.THERMISTOR/LIQUID |
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| THERMAL FUSE<230°F/16A:30,36,42GK> | |
| SW7 | SWITCH(MODEL SELECTOR) |
| (32°F/15k",77°F/5.4k" DETECT) |
| H | HEATER |
| SW8 | SWITCH(OPTION) | R.B | REMOTE CONTROLLER BOARD |
| 26H | HEATER THERMAL SWITCH |
| SW9 | SWITCH(MODEL SELECTOR) | CN1 | CONNECTOR(PROGRAM TIMER) |
| 88H1,2 | HEATER CONTACTOR |
| X4 | RELAY(FAN MOTOR) | CN2 | CONNECTOR(REMOTE SWITCH) |
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| F1,F2 | FUSE(6A/250V) | SW17 | SWITCH(ADDRESS SELECTOR) |
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| ZNR | VARISTOR | SW18 | SWITCH(FUNCTION SELECTOR) |
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| LED1 | LED(DC12V POWER) | TB6 | TERMINAL BLOCK(REMOTE CONTROLLER |
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| LED2 | LED(DC5V POWER) |
| TRANSMISSION LINE) |
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| HEATER |
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| 1 2 | CN24 |
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I.B | (YLW) |
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YLW YLW |
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| GRY | 6 | RED 26H | |
| 8 | 88H1 7 | RED | |||
YLW | 5 | |||||
8 |
| 7 | GRY |
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| 88H2 |
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NOTES:
1.Since the indoor fan motor(MF)is connected with 230V power, using 208V power will require a setting change of the dip switch(SW8<I.B>) on
indoor controller board as shown in fig:*1. |
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fig:*1 Indoor fan motor(MF)for |
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208V. | SW8 |
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| ON |
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| ON |
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| OFF |
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| OFF |
| 123456 |
| 123456 | ||||||||||||
2.Since the outdoor side electric wiring may change, be sure to check the outdoor unit electric wiring for servicing. 3.Indoor and outdoor connecting wires are made with polarities, make wiring matching terminal numbers.
4.Symbols used in wiring diagram above are, | :Connector, :Terminal block. |
5.Emergency operation |
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If remote controller or microcomputer fails but there is no other trouble, emergency operation is possible by setting dip switch (SW3<I.B>) on the indoor controller board.
6.Fasten terminal of the terminal board "TB4" equips lock system.
To remove the fasten terminal, pull it while pressing the protruding portion (locking lever) of the terminal. Connection of the fasten terminal, protruding portion should face upward.
[Check items]
(1)Make sure that no other trouble exist in the outdoor unit. Trouble with the outdoor unit prevents emergency operation.
(If any trouble exists in the outdoor unit error code "P8" will be displayed on the remote controller and the trouble position will be shown on the outdoor controller board LED. See electric wiring diagram of the outdoor unit for details.)
(2)Make sure that there is no trouble with the indoor fan.
Emergency operation will be continuous operation mode. (ON/OFF by the remote controller is not possible.) [Emergency operation procedure]
(1)Set the dip switch (SW3<I.B>) on the indoor controller board to on and off for cooling and · on for heating. (2)Turn on outdoor unit side circuit breaker, then indoor unit side circuit breaker.
(3)During emergency operation, indoor fan runs at high speed but automatic vane does not work.
(4)Thermostat will not function. Cold air blows out for defrosting during heating thus do not operate defrosting for a long time. (5)Emergency cooling should be limited to 10 hours maximum. (The indoor unit heat exchanger may freeze.)
(6)After every emergency operation, set all dip switch (SW3<I.B>) to OFF.
(7)Movement of the vane does not work in emergency operation, therefore you have to slowly set them manually to the appropriate position.
