Model: FDEN series
PCB power supply connector
(Primary side)
Power supply
Fan motor
| L2 | CNW1 | CNW0 | CNM1 |
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CNM3 CNJ2 | 52X6 52X2 52X2 52X3 52X5 | L3 | F1 |
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| PCB power supply |
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| IC7 | IC8 |
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| ZNR |
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| CNB CNW2 | |||||
L1 |
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| Remote controller | |||||
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| CNE |
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CNR | 52X4 |
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| LED1 | LED2 |
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| DIP switch | |
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| 52X7 |
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CNV | KN1 |
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| SW2 | SW5 |
| SW8 |
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| J5, J6 | |||
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| SW10 | SW9 | SW7 |
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| C57 |
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| CNH CNN1 |
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| J1~J4 | |
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| CNQ | CNT |
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| (SW7) |
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| DIP switch |
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| Address switch |
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| (SW9) | ||
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| J9~J11 |
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| (SW2) |
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| (CNT) |
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| (SW10) |
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Heat exchanger thermistor, | Heat exchanger thermistor | |
Return air thermistor | ||
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●Change by the jumper wire
| Name | Function | |
J1 |
| With | Input signal - Reverse invalid |
| None (1) | Input signal - Rus stop | |
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J2 |
| With | Heating thermostat |
| None (1) | Heating thermostat | |
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J3 |
| With | Normal operation operable |
| None (1) | Operation permission prohibited | |
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J4 |
| With | Normal |
| None (1) | Heating temp. +3 | |
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J5 |
| With | Louver free stop control - Invalid |
| None (1) | Louver free stop control - Effective | |
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J6 |
| With | Freeze prevention fan control activated. |
| None (1) | Freeze prevention fan control deactivated. | |
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Note (1) “None” means that jumper wire is not provided on the PCB or the connection is cut
(2)The replacement board is not equipped with jumpers J1 ~ J6. Instead, SW7 and 8, with the same functions as jumpers J1~J6, are used in the position where the jumpers were previously. Set SW7 and 8 locally in accordance with the above table.
●Control change switch (SW5, SW9, SW10)
Function of DIP switch SW5 (Usually all turned OFF)
| Switch |
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| ON |
| ON | Setting time : 1000hrs. (Unit stop) | |
OFF | Setting time : 1000hrs. (Display) | ||||
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OFF | ON | Setting time : 600hrs. (Display) | |||
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| OFF | Setting time : 180hrs. (when shipped from factory) | ||
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Function of DIP switch SW9 (Usually all turned OFF)
| Switch | Function | |
| ON | Emergency operation | |
| OFF | Normal | |
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| ON | Fan control : Powerful mode | |
| OFF | Fan control : Mild mode | |
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Note (1) It is normally ON only in the case of
Function of DIP switch SW10 (Usually all turned OFF)
| Switch |
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| OFF | Auto swing fanction - None |
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| ON | Auto swing function - With |
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| OFF |
| OFF | Remote controller air flow | – |
ON | Remote controller air flow | 1 speed | |||
(J10) | ON | (J11) | OFF | Remote controller air flow | 2 speed |
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| ON | Remote controller air flow | 3 speed | |
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