1-4. Load/dispenser operation, door opening circuit
1. LOAD DRIVING CIRCUIT
✽
The fan operates at the regular speed even if the door of the refrigerator or freezer is opened. When the doors are closed,
the fan reverts to its original speed.
✽
(A), (B), (C), and (D) of door switch for the freezer or refrigerator are connected to the door open sensing circuit in parallel
toward both ends of switch to determine door open at MICOM.
✽
In the TEST mode, the fan will stop if any door is opened. It will resume operation when the door is closed.
1) GR-L267****
EXPLANATION FOR MICOM CIRCUIT
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REF
REF
Measuring part (IC6)
IC6-14
IC6-10
IC7-16
IC6-13
IC6-11
IC6-12
Status
ON
Within 1 V
OFF
12 V
Type of Load
Compressor
Frost Removal
Heater
AC Converting
Relay
Refrigerator
LAMP
Dispensor
Heater
Magic room
Heater
