19
Holder
Screw
Thermistor
Evaporator
Component
1. Thermistor
(on evaporator)
2. Bin Control Switch
Procedure
CAUTION
Thermistor sensor part is fragile,
glass sealed. Handle with care.
* Disconnect the connector CN13 on
the board.
* R e m o v e t h e s c r e w a n d t h e
thermistor holder on the evaporator.
* Immerse the sensor part in a glass
containing ice and water for 5
minutes.
* Check the resistance between CN13
connector pins.
* Replace the thermistor in its correct
position.
* Connect CN13.
Manually set the micro switch in the
TRIP and RESET positions, and
check the period.
Normal
5 -7 kilohms
Approx.
TRIP(Closed) 10 sec.
RESET(Open) 80 sec.
[c] BEFORE CHECKING CONTROLLER BOARD
Check the power source voltage and the components as shown in the table below.
Summary of Contents for IM-240ANE
Page 4: ...1 I SPECIFICATIONS 1 DIMENSIONS SPECIFICATIONS a IM 240DNE Air cooled ...
Page 5: ...2 b IM 240DNE C Air cooled ...
Page 6: ...3 c IM 240DWNE Water cooled ...
Page 7: ...4 d IM 240DWNE C Water cooled ...
Page 8: ...5 e IM 240DWNE R452 Water cooled ...
Page 9: ...6 f IM 240ANE Air cooled ...
Page 10: ...7 g IM 240AWNE Water cooled ...
Page 11: ...8 h IM 240DSNE Remote Air cooled ...
Page 12: ...9 j URC 240C E 4 Condenser Unit ...
Page 20: ...17 a CONTROLLER BOARD LAYOUT Main Board Sub Board Combination ...
Page 37: ...34 2 WIRING DIAGRAM a IM 240DNE C XNE C IM 240DWNE C R452 XWNE C R452 IM 240ANE AWNE ...
Page 38: ...35 b IM 240DSNE XSNE URC 240C E 4 ...
Page 69: ...66 Fig 16 Controller Board Board Support Control Box Cover Screw ...