Mitsubishi Heavy Industries MHI FDU71VNXVF1 Technical Manual page 128

DIP switch setting list (Outdoor unit)
(1) Control PCB
Model FDC71VNX
Switches
Defrost condition
SW3-1
SW3-2 Snow protection control
Model selection
SW3-3
SW3-4 Defrost prohibition time
Model selection
SW4-1
Model selection
SW4-2
SW4-3 Reserved
Reserved
SW4-4
Model selection
SW5-1
SW5-2 Model selection
Test run SW
SW5-3
SW5-4 Test run mode
Reserved
SW7-1
Reserved
SW7-2
SW7-3 Reserved
Reserved
SW8-1
Reserved
SW8-2
Reserved
SW8-3
Pump down operation
SW9
Models FDC100,125,140VNX,100,125,140VSX
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
SW3-4 Test run mode
Model selection
SW4-1
Model selection
SW4-2
SW4-3 Reserved
Reserved
SW4-4
SW5-1 Reserved
Reserved
SW5-2
Reserved
SW5-3
SW5-4 Reserved
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 131 for details)
Description
Normal*/Cold region
Normal*/Snow protection
Cooling only/Heat pump*
ON: 37min*/OFF: 45min
Domestic/Overseas*
3-phase/Single phase*
Normal*/Test run
Cooling*/Heating
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
* 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
Normal
OFF
OFF Normal
Heat pump
OFF
ON 37min.
Overseas
ON
Single phase
ON
OFF
OFF
OFF
OFF
Normal
OFF
OFF Cooling
OFF
OFF
OFF
OFF
OFF
OFF
Normal
OFF
Default setting
OFF Normal
As per model
Normal
OFF
Normal
OFF
Normal
OFF
OFF Cooling
Overseas
ON
As per model
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
127
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'12 • PAC-T-178
Remarks
Keep OFF
Keep ON
Keep ON
Keep OFF
Keep OFF
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