1-7. Temperature sensing circuit
(1) GR-P227/L227
The above circuits are circuits attached to freezing room sensor or cold storage room sensor for adjusting setting
temperature at the freezing room and cold storage room, ice-making sensor for sensing water temperature in ice-making, or
an evaporator for sensing temperature of a frost removal sensor necessary for frost removal. Short or open status of every
temperature sensor is as follows:
EXPLATION FOR MICOM CIRCUIT
- 32 -
SENSOR CHECK POINT
NORMAL(-30 °C ~ 50 °C) IN
SHORT IN OPEN
Freezing sensor POINT A Voltage
Frost removal sensor POINT B Voltage
Cold storage sensor 1 POINT C Voltage
0.5 V~4.5 V 0 V 5 V
Cold storage sensor 2 POINT D Voltage
Ice making sensor POINT E Voltage
Room temperature sensor POINT F Voltage
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