Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 360

FDT ( N ) -H
Parts layout on the outdoor unit PCB
Inspection display lamp
(LED·Red)
Inspection display lamp
(LED·Green)
PCB power supply connector
(Secondary side)
• Function of DIP switched (SW4)
SW4
ON
1 (J3)
OFF
ON
ON
2 3 OFF
(J4) (J5)
ON
OFF
OFF
ON
4 (J9)
OFF
• Function of DIP switched (SW6)
SW6
ON
1
4-Way Valve Control
(J17)
OFF
ON
Defrost Circulation
2
(J18)
Temperature Switching
OFF
ON
63HI Abnormal
3
(J19)
detection switching
OFF
ON
3 minute delay when power
4
(J20)
is turned on Switching
OFF
358
63H1
CNA2
SW3
CNL
CNQ
SW6
Function
1 Phase model
3 Phase model
–
Compressor
Rotary
unit
Reciprocal
switching
Scroll
Spare
Function
Enabled
Disabled
14˚C
18˚C
Enabled
Disabled
Enabled
Disabled
PCB power supply connector
(Primary side)
63H1
63H2 63H2
CNA1
CNE
CT1
SW4 SW5
• Function of DIP switched (SW5)
SW5
ON
Defrost Switching
1
OFF
ON
Snow protection control
2
OFF
ON
3
OFF
Test run Switch
ON
4
OFF
• Function of jumper wire
Name
With Service valve open/close check control enabled.
J21
Service valve open/close check control disabled.
None
Function
Actual spot
Ordinary
Enabled
Disabled
Test run
Normal
Test run for heating
Test run for cooling
Function