Daikin 2MKS40DVMB, Service Manual

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SiBE12-519 Control Specification
Function and Control 53
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)
2. For cooling only model
There are following models; stop and cooling (including drying).
Note: Unless specified otherwise, an indoor dry operation command must be regarded as cooling
operation.
Determine Operating Mode
Judge the operating mode command set by each room in accordance with the instructing
procedure, and determine the operating mode of the system.
The following procedure will be taken as the modes conflict with each other.
Š
The system will follow the mode determined first. (First-push, first-set)
Š
For the rooms set with different mode, select stand-by mode. (Operation lamp flashes)
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)
Air conditioner control mode
Forced operating mode
Forced cooling (for Pump Down Operation)
Normal operating mode
Cooling
Stop mode (except for cooling modes by indoor command)
Preheat operation
During C (capacitor) is discharging
Stop
(R2830)
Command of the
first set room
Command of the
second set room Operation of the
first set room
Operation of the
second set room
Cooling Heating Cooling Stand-by
Cooling Fan Cooling Fan
Heating Cooling Cooling Stand-by
Heating Fan Fan Stand-by
Fan Cooling Cooling Cooling
Fan Heating Stand-by Heating