Mitsubishi Heavy Industries FDT71VNXVD Service Manual page 38

DIP witch etting li t (Outdoor unit)
(1) Control PCB
Model FDC71VNX
Switches
SW3-1 Defrost condition
SW3-2 Snow protection control
SW3-3 Model selection
Defrost prohibition time
SW3-4
Model selection
SW4-1
Model selection
SW4-2
Reserved
SW4-3
Spare
SW4-4
Model selection
SW5-1
SW5-2 Model selection
SW5-3 Test run SW
SW5-4 Test run mode
SW7-1 Spare
Antifrost control
SW7-2
Spare
SW7-3
Reserved
SW8-1
Spare
SW8-2
Spare
SW8-3
Pump down operation
SW9
Models FDC125,140VNX
Switches
SW1 Pump down operation
JSW1-1
JSW1-2
Model selection
JSW1-3
JSW1-4
Defrost condition
SW3-1
Snow protection control
SW3-2
Test run SW
SW3-3
Test run mode
SW3-4
SW4-1 Model selection
SW4-2 Model selection
SW4-3 Reserved
SW4-4 Reserved
SW5-1 Reserved
Reserved
SW5-2
Reserved
SW5-3
Reserved
SW5-4
Antifrost control
J5
Outdoor fan control when ducting
J7
Table 1: Outdoor unit model selection with JSW1-1-JSW1-4 and SW4-1-SW4-2
100VNX 100VSX 125VNX 125VSX 140VNX 140VSX
JSW1-1 0 0
JSW1-2 0 0
JSW1-3 0 0
JSW1-4 0 0
SW4-1 1 1
SW4-2* 1 0
(2) Inverter PCB
71VNX
Switches
Single phase models
JSW10-1 OFF
JSW10-2 OFF
JSW10-3 OFF
JSW10-4 OFF
JSW11-1 ON
JSW11-2 ON
JSW11-3 ON
JSW11-4 ON
＊ When checking inverter PCB of FDC71 ∼ 140 models with inverter checker, turn JSW10-4 ON.
(Regarding the checking method of inverter PCB with inverter checker, refer to page 50 for details)
Description
Normal*/Cold region
Normal*/Snow protection
Cooling only/Heat pump*
ON: 37min*/OFF: 45min
Domestic/Overseas*
3-phase/Single phase*
Capacity
Capacity
Normal*/Test run
Cooling*/Heating
Valid*/Invalid
Normal*/Pump down
* Default setting
Description
Normal*/Pump down
Normal*/Cold region
Normal*/Snow protection
Normal*/Test run
Cooling*/Heating
Domestic/Overseas*
3-phase/Single phase
Valid*/Invalid
Normal*/Hi tap
* Default setting
0: OFF 1:ON
1 1 0 0
0 0 1 1
0 0 0 0
0 0 0 0
1 1 1 1
1 0 1 0
* 3-phase: OFF/Single phase: ON
100, 125, 140VNX 100, 125, 140VSX
Single phase models 3-phase models
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
-
Default setting
OFF Normal
OFF Normal
OFF Heat pump
37min.
ON
Overseas
ON
Single phase
ON
OFF
OFF
OFF
OFF
OFF Normal
OFF Cooling
OFF
Valid
OFF
OFF
OFF
OFF
OFF
Normal
OFF
Default setting
OFF Normal
As per model
Normal
OFF
Normal
OFF
Normal
OFF
Cooling
OFF
ON Overseas
As per model
OFF
OFF
OFF
OFF
OFF
OFF
Valid
With
Normal
With
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
38 -
'10 • PAC-SM-137A
Remarks
Keep OFF
Keep ON
Keep ON
Keep OFF
Keep OFF
Keep OFF
Keep OFF
Keep OFF
Keep OFF
Keep OFF
Keep OFF
Remarks
See table 1
See table 1
See table 1
Keep OFF
Keep OFF
Keep OFF
Keep OFF
Keep OFF
Keep OFF
*