8
WIRING DIAGRAM
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| NAME | SYMBOL | NAME |
| SYMBOL | NAME |
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| P.B | INDOOR POWER BOARD | C | CAPACITOR<FAN MOTOR> |
| W.B | WIRELESS REMOTE CONTROLLER BOARD(OPTION) |
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| I.B | INDOOR CONTROLLER BOARD | MF | FAN MOTOR |
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| RU | RECEIVING UNIT |
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| FUSE | FUSE (6.3A/250V) |
| MV | VANE MOTOR |
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| BZ | BUZZER |
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| ZNR | VARISTOR |
| TB4 | TERMINAL BLOCK<INDOOR/OUTDOOR |
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| LED1 | LED<RUN INDICATOR > |
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| CN2L | CONNECTOR<LOSSNAY> |
| CONNECTING LINE> |
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| LED2 | LED<HOT ADJUST> |
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| CN32 | CONNECTOR<REMOTE SWITCH> | TB5,TB6 | TERMINAL BLOCK<REMOTE CONTROLLER |
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| SW1 | SWITCH<HEATING ON/OFF> |
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| CN41 | CONNECTOR<HA |
| TRANSMISSION LINE > |
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| SW2 | SWITCH<COOLING ON/OFF> |
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| CN51 | CONNECTOR<CENTRALLY CONTROL> | TH1 | ROOM TEMP.THERMISTOR |
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| SW1 | SWITCH <MODEL SELECTION>wSee Table 1. |
| <32°F/15kΩ , 77°F/5.2kΩ DETECT> |
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| SW2 | SWITCH <CAPACITY CODE>wSee Table 2. | TH2 | PIPE TEMP.THERMISTOR/LIQUID |
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| SWE | SWITCH<EMERGENCY OPERATION> |
| <32°F/15kΩ , 77°F/5.2kΩ DETECT> |
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| Please set the voltage using the remote | |||
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| X1 | RELAY<DRAIN PUMP> | TH5 | COND./EVA.TEMP.THERMISTOR |
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| controller. | |||
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| X4 | RELAY<FAN MOTOR> |
| <32°F/15kΩ , 77°F/5.2kΩ DETECT> |
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| For the setting method, please refer to | |||
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| BCR | FAN CONTROL ELEMENT | R.B | WIRED REMOTE CONTROLLER BOARD |
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| the indoor unit Installation Manual. | |||
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| LED1 | POWER SUPPLY<I.B> |
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| LED2 | POWER SUPPLY<R.B> |
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| LED3 |
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| P.B | CNDK |
| CN2S |
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| (RED) |
| (WHT) |
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| 1 |
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| 1 |
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| MF |
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| 2 | DC13.1V |
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| 2 |
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| 3 |
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| YLW |
| TB4 |
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| 1 2 3 |
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| ORN |
| S1 | ||
| C |
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| YLW | S2 | TO OUTDOOR UNIT | |
I.B |
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| RED WHT | YLW |
| ORN |
| BLK WHT | BRN ORN |
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| S3 | |||||
RED WHT BLK |
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| ORN |
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| BRN |
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| 1 3 5 | D.U.M | 1 3 | POWER | 1 3 | POWER | 1 3 |
| 1 2 | 1 3 | VANE |
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| 24/30 TYPE |
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FAN |
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| 6 | 6 |
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CNP | CNDK | CND |
| CN6V | 6 | 6 | MV |
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(WHT) | (BLU) |
| (RED) |
| (ORN) |
| FUSE |
| POWER |
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| MV |
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| X4 |
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| CN2D(WHT) CN3C(BLU) |
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BCR | X1 |
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| CN41 | CN2L |
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| 36/42 TYPE |
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| ZNR |
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| WIRELESS |
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| 5 | 5 |
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| MV |
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| CN90 |
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| 9 |
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| X4 | X1 |
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| CN51 | CN32 | (WHT) |
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| LED3 LED2 LED1 |
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SW2 SW1
SWE
ON
OFF 
Refer to tables 1 and 2 for service PCB.
D.SENSOR | INTAKE LIQUID | PIPE | REMOCON | BZ | CNB | ||||
CN31 | CN20 | CN21 | CN29 | CN22 |
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(WHT) | (RED) | (WHT) | (BLK) | (BLU) |
| RU |
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1 2 3 | 1 2 |
| 1 2 | 1 2 | 1 2 |
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| RECEIVER LED1 LED2 SW2 SW1 | |||||||
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| BLK BLK | BLK | BLK | BLU BLU |
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| W.B | |
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| 1 2 | 1 2 |
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| 2 |
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| 1 | TRANSMISSION WIRES DC12V | 1 2 |
| TH1 | TH2 | TH5 | TB5 | R.B | TB6 | |||
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Table 1
SW1
MODELS | Service board | ||||
1 | 2 | 3 | 4 | 5 | |
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| ON | |
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| OFF |
Table 2
SW2
MODELS |
| Service board | MODELS |
| Service board | ||||||||||||||||||||||
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| 1 | 2 | 3 | 4 | 5 |
| ON |
| 1 | 2 | 3 | 4 | 5 |
| ON | ||||||||||||
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| OFF |
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| OFF |
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| 1 | 2 | 3 | 4 | 5 |
| ON |
| 1 | 2 | 3 | 4 | 5 |
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| OFF |
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| OFF |
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NOTES:
1.Since the outdoor side electric wiring may change, be sure to check the outdoor unit electric wiring for servicing.
2.Indoor and outdoor connecting wires have polarities, make sure to match terminal numbers (S1, S2, S3) for correct wirings.
3. Symbols used in wiring diagram above are, | : Connector, | : Terminal (block). |
4.This diagram shows the wiring of Indoor and Outdoor connecting wires (specification of 230V), adopting superimposed system of power and signal.
w1.Use copper supply wires.
[Emergency operation procedure]
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 control board ON, the indoor unit will begin Emergency Operation.
When Emergency Operation is activated, indoor fan runs at high speed.
12