Control Specification; Mode Hierarchy - Daikin CTXU25G2V1B 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 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.
Decision of the In this multi system, when both 2 indoor units are operating, one of them may enter the standby
operation mode mode by the following conditions.
Refer to the following pages for detail.
"Note for multi" on page 100.
"HUMID HEAT operation" on page 86.
"FRESH AIR SUPPLY VENTILATION" on page 88.
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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
The units in the 2 rooms are different in operation mode
The indoor units in both 2 rooms are set to HUMID HEAT operation or FRESH AIR SUPPLY
VENTILATION
SiBE12-908
(R2829)
Function and Control