Factory setting for the relay board’s DIP switches
CommentsAMS 10-16AMS 10-12AMS 10-8FunctionSwitch
See page 30.XX-Pump downSW1
--XPump downSW9
Resets and restarts the board.XXXResetSW2
May not be changed!off / openoff / open-Model setting1 or J1JSW1
on / closedoff / open-2 or J2
off / openoff / open-3 or J3
off / openoff / open-4 or J4
Shorter time between de-
frosts.
offoffoffDefrosting1SW3
The fan blows away snow
even if the compressor has
stopped.
offoffoffSnow guard2
May not be changed!--offNo function3
Start/stop test operation.offoff-Test operation off/on3
May not be changed!--onNo function4
Select operation mode for test
operation.
Off = Cooling operation.
offoff-Test operation cool-
ing/heating
4
May not be changed!onononJapan/Export model1SW4
ononon3-phase / 1-phase mod-
el
2
offoffoffLoad measurement3
--offFunction test electron-
ics
4
onon-Model setting4
May not be changed!offoff-Matching pipe1SW5
offon-Current limit2
On = Short compressor start
delay.
offoff-Protected compressor
start
3
May not be changed!offoff-Test4
May not be changed!onon-No functionJ5Jumper
onon-J6
onon-J7
May not be changed!--offNo function1SW7
--off2
--off3
May not be changed!--offNo function1SW8
--off2
On = Short compressor start
delay.
--offProtected compressor
start
3
INVERTER PCB
Factory setting for the inverter’s DIP switches
CommentsAMS 10-16AMS 10-12AMS 10-8FunctionSwitch
May not be changed!offoffoffMiscellaneous1JSW10
offoffoff2
offoffoff3
offoffoff4
May not be changed!offononModel setting1JSW11
offoffon2
onoffon3
ononon4
61Chapter 6 | TroubleshootingNIBE AMS10