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Item Operation flow and applicable data, etc. Description
1. Basic
operation
1-4. Cooling/Heating operation
The operations are performed in the following parts by controls according to cooling/heating conditions.
1) Receiving the operation ON signal of the remote controller, the cooling or heating operation signal
starts being transferred from the indoor controller to the outdoor unit.
2) At the indoor unit side, the indoor fan is operated according to the contents of “2. Indoor fan motor
control” and the drain pump according to the “5. Drain pump control”.
3) The outdoor unit controls the outdoor fan motor, compressor, pulse motor valve and 4-way valve
according to the operation signal sent from the indoor unit.
Operation On
Setup of remote controller
Indoor fan motor control / drain pump
Indoor unit control
Sending of operation command signal
Outdoor unit control
Compressor revolution control / Outdoor fan motor control / 4-way valve control
Pulse motor valve control
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