3-2 Control PCB switches and functions
| OC (CN040) |
| EMG (CN044) |
| VARISTOR |
| (VA041) |
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| JP1 | DISP (CN072) |
| EXCT (CN073) | FILTER | (JP001) |
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| FAN DRIVE | (CN070) | GRL | CHK (CN071) |
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| (CN032) | POWER LED | (CN020) | T10 (CN061) |
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| (D002) |
| EEPROM |
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| (IC010) |
T10: | 6 plug (yellow): used for remote control. (Refer to the remote control section) | |||
(CN061) | 1- start/stop input |
| 2- COM |
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| 3- remote control prohibit/release input | 4- start signal output | ||
| 5- COM (+DC12v) |
| 6- alarm signal output T10 | |
EXCT: | 2P plug (red): Can be used for demand control. When imput is present, forces the unit to operate | |||
(CN073) | with the termostat OFF. |
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DISP: | 2P plug (white): | |||
(CN072) | connected to an outdoor unit. (In this case, alarm "E04", which indicates trouble in the serial communication | |||
| between the indoor and outdoor unit, does not occur.) |
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CHK: | 2P plug (white): Test pin. | |||
(CN071) | flap motor (F1 position), and electronic expansion valve | |||
| turns OFF if the indoor unit protection mechanism is activated. The unit can be operated even if the remote | |||
| controller and outdoor unit are not connected. However even if the remote controller cannot is connected, | |||
| it cannot be used to operate the unit. This function can be used for | |||
JP1: | Jumper wire: Allows selection of the T10 terminal |
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(JP001) |
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