Cooling/Heating Operation - Toshiba RAS-18J2KVSG-E Service Manual

Operation flow and applicable data, etc.
Item
1. Basic

2. Cooling/Heating operation

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 form 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 louver according to the contents of "9. Louver control", respectively.
3) The outdoor unit controls the outdoor fan motor, compressor, pulse Modulating valve and
4-way valve according to the operation signal sent from the indoor unit.
Power relay ON
Remote control
settings
Operation ON
Indoor unit control
Operation command
signal transmission
Compressor revolution control
Outdoor fan motor revolution
Outdoor unit control
control
Pulse modulating valve control
Four-way valve control
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Description
Indoor fan motor
revolution control