-
92
-
CNT
CNV
CNO
CNH
CNF
CNB
CNQ
CNN1 CNN2
SW2
SW10
SW5
SW7
SW9
SW8
CNZ
CNI
CNO
CNA
F3
F2
CNK2
CNK1
CNW2
CNG
CNE
CNW0
CNW1
CNM3
52X3
52X5
52X4
52X2
52X1
52X6
L3
L2
L1
L4
CNJ2
CNR
F1
LED1
LED2
PCB power supply connector
(Primary side)
PCB power supply connector
(Secondary side)
Heat exchanger thermistor
(Thl-R2)
Address swith
(SW2)
DIP switch
(SW5)
DIP switch
(SW9)
J6
(SW8)
J1~J4
(SW7)
Float switch
J10~J11
(SW10)
Connector
(CNT)
Drain motor
Remote controller
Power supply
Heat exchanger thermistor,
Return air thermistor
(Thl-R1, Thl-A)
Input signal - Reverse invalid
Input signal - Run stop
Heating thermostat OFF-Lo
Heating thermostat OFF-Stop, Lo
Normal operation operable
Operation permission prohibited
Normal
Heating temp. +3
Freeze prevention fan control activated
Freeze prevention fan control deactivated
J1 (SW7-1)
J2 (SW7-2)
J3 (SW7-3)
J4 (SW7-4)
J6 (SW8-2)
With
None
(1)
With
None
(1)
With
None
(1)
With
None
(1)
With
None
(1)
Name
Function
Note (1)
(2)
“None” means that jumper wire is not provided on the PCB or the
connection is cut
The replacement PCB is not equipped with jumpers J1 ~ J4, J6. Instead,
SW7 and 8, with the same functions as jumpers J1~J4, J6, are used in
the position where the jumpers were previously. Set SW7 and 8 locally
in accordance with the above table.
Emergency operation
Normal
Fan control : High speed (High Ceiling)
Fan control : Standard
SW9-3
SW9-4
Switch
Function
Remote controller air flow –
Remote controller air flow 1 speed
Remote controller air flow 2 speed
Remote controller air flow 3 speed
OFF
ON
OFF
ON
ON
OFF
ON
OFF
Switch
Function
OFF
ON
SW10-3
(J11)
SW10-2
(J10)
Slave c
Slave b
Slave a
Master
SW5-2
SW5-1
ON
OFF
ON
OFF
ON
OFF
Setting time : 1000hrs. (Unit stop)
Setting time : 1000hrs. (Display)
Setting time : 600hrs. (Display)
Setting time : 180hrs. (when shipped from factory)
SW5-4
SW5-3
ON
OFF
ON
OFF
ON
OFF
Switch
Function
●
Control change switch (SW5, SW9, SW10)
Function of DIP switch SW5 (Usually all turned OFF)
Function of DIP switch SW9 (Usually all turned OFF)
●
Change by the jumper wire
Function of DIP switch SW10 (Usually all turned OFF)
Model: FDUM series
