Control Specification; Mode Hierarchy - Daikin Super Multi NX C-Series Service Manual

Control Specification

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
Air Conditioner's Control Mode
1. For heat pump model
2. For cooling only model
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)
88
There are following modes; stop, cooling (includes drying), heating (include defrosting)
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
There are following models; stop and cooling (including drying).
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
SiE12-411
(R1373)
(R1374)
Function and Control