Mitsubishi Heavy Industries FDCA Series Technical Manual page 133

Model: FDEN series
Fan motor
● Change by the jumper wire
Name
With Input signal - Reverse invalid
J1 (SW7-1)
(1)
None Input signal - Run stop
With Heating thermostat OFF-Lo
J2 (SW7-2)
(1)
None Heating thermostat OFF-Stop, Lo
With Normal operation operable
J3 (SW7-3)
(1)
None Operation permission prohibited
With Normal
J4 (SW7-4)
(1)
None Heating temp. +3
With Louver free stop control - Invalid
J5 (SW8-1)
(1)
None Louver free stop control - Effective
With Freeze prevention fan control activated.
J6 (SW8-2)
(1)
None Freeze prevention fan control deactivated.
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.
PCB power supply connector
(Primary side)
Power supply
L2
CNW1 CNW0 CNM1
L1
C57
CNQ CNT
Connector
(CNT)
Heat exchanger thermistor,
Return air thermistor
(Thl-R1, Thl-A)
Function
IC7
CNE
SW2 SW5
SW10
CNH CNN1
Address switch
(SW2)
Heat exchanger thermistor
(Thl-R2)
● Control change switch (SW5, SW9, SW10)
Function of DIP switch SW5 (Usually all turned OFF)
Switch
ON
SW5-3 SW5-4
OFF
Function of DIP switch SW9 (Usually all turned OFF)
Switch
SW9-3
SW9-4
Note (1) It is normally ON only in the case of SW9-4.
Function of DIP switch SW10 (Usually all turned OFF)
Switch
SW10-1 (J9)
OFF
SW10-2
SW10-3
(J10) (J11)
ON
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PCB power supply
connector
IC8
(Secondary side)
Remote controller
DIP switch
(SW5)
SW8
J5, J6
SW9 SW7
(SW8)
J1~J4
(SW7)
DIP switch
(SW9)
J9~J11
(SW10)
Function
Setting time : 1000hrs. (Unit stop)
ON
Setting time : 1000hrs. (Display)
OFF
Setting time : 600hrs. (Display)
ON
OFF Setting time : 180hrs. (when shipped from factory)
Function
Emergency operation
ON
OFF Normal
ON Fan control : Powerful mode
OFF Fan control : Mild mode
Function
Auto swing function - None
OFF
Auto swing function - With
ON
Remote controller air flow –
OFF
ON Remote controller air flow 1 speed
OFF Remote controller air flow 2 speed
ON Remote controller air flow 3 speed