1-6. Switch Input Circuits
The following circuit is an input circuit to detect the test switch for refrigerator detection and to detect the signal of
electronic single motor damper reed switch.
1-7. Option Designation Circuit (Model Classifying Function)
The above circuit is to designate model by option and inform it to MICOM. The option designation and application standard
for each model is as follows.
u This circuit is fixed in the factory before shipment. Do not add or remove option at your discretion.
1-8. Stepping Motor Working Circuit
Motor rotates as rotating magnetic forms on the coils wound on each phase of stator when Micom pin No. 41 applies “High”
signal to IC6 (TA774AP) and Micom pin No. 42 and 43 produces “High” and ‘Low” signals.
MICOM CIRCUIT DESCRIPTION
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Classification Connection Conditions Application Standard
Connection Other area (Changable)
OP1
Cut Domestic
Connection Model with dispenser
OP2
Cut Model without dispenser
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