Control Specification Si04-402A
28 Function and Control
3. Control Specification
3.1 Mode Hierarchy
Outline There are two modes; the mode selected in user’s place (normal air conditioning mode) and
forced operation mode for installation and providing service.
Detail 1. For heat pump model
There are following modes; stop, cooling (includes drying), heating (include defrosting)
Note: Unless specified otherwise, an indoor dry operation command must be regarded as cooling
operation.
Air conditioner control mode
Forced operating mode
Forced cooling (for Pump Down Operation)
Normal operating mode
Cooling
Heating
Defrosting
Stop mode (except for cooling/heating modes by indoor command)
Preheat operation
During C (capacitor) is discharging
Stop
(R2829)
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