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Si12-619A
Control Specification
Function and Control
99
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. An indoor fan operation command cannot be made in a multiple indoor unit. (A forced
fan command to the indoor unit from the outdoor unit must be made during forced 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.
*1.The system will follow the mode determined first. (First-push, first-set)
*2.For the rooms set with different mode, select stand-by mode. (Operation lamp flashes)
Air conditioner control mode
Forced operating mode
Forced cooling
Forced heating
Check incorrect wiring
Normal operating mode
Cooling
Heating
Defrosting
Stop mode (except for cooling/heating modes by indoor command)
Preheat operation
During C (capacitor) is discharging
Stop
(R1373)
Air conditioner control mode
Forced operating mode
Forced cooling
Check incorrect wiring
Normal operating mode
Cooling
Stop mode (except for cooling modes by indoor command)
Preheat operation
During C (capacitor) is discharging
Stop
(R1374)
Summary of Contents for 3MKS50DVM
Page 13: ...Introduction Si12 619A xii ...
Page 131: ...Control Specification Si12 619A 118 Function and Control ...
Page 213: ...Instruction Si12 619A 200 Operation Manual ...
Page 283: ...Check Si12 619A 270 Service Diagnosis ...
Page 302: ...Si12 619A Outdoor Unit E Series 50 52 58 Class Removal Procedure 289 Step Procedure Points ...
Page 385: ...Wiring Diagrams Si12 619A 372 Appendix FTK X S50 60 71FVLT ...
Page 399: ...Si12 619A vi Index ...