Automatic Switching For Humid Heat Operation Room - Daikin CTXU25G2V1B Service Manual

SiBE12-908
3.2

Automatic switching for HUMID HEAT operation room

Outline When the indoor units in both 2 rooms are set to HUMID HEAT operation, priority is given to the
indoor unit starting operation first basically.
However, priority is given to the indoor unit starting operation subsequently under certain
conditions.
Detail 1. When the indoor units in both 2 rooms are set to HUMID HEAT operation, priority is given to
2. When the humidity of the Unit 1 reaches a target level, the unit which performs HUMID
3. When the temperature decreases in the room of the Unit 1, the Unit 2 goes into standby
Carry out priority room setting to prevent the room of HUMID HEAT operation from switching
automatically.
How to carry out priority room setting
Cut the jumper of the outdoor unit PCB.
Cut the JP9
Cut the JP10
Function and Control
the indoor unit starting operation first (Unit 1), and the indoor unit goes into humidifying
operation while the indoor unit starting operation subsequently (Unit 2) goes into standby
mode.
HEAT operation switches from Unit 1 to Unit 2 automatically.
mode, then, the Unit 1 starts HUMID HEAT operation again.
→
Room-A is set as the priority room.
→
Room-B is set as the priority room.
JP9
JP10
Control Specification
(R9428)
40