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

Control Specification
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 will be given
to the indoor unit starting operation first basically.
However, priority will be 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 will be
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 will go 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
28
given to the indoor unit starting operation first (Unit 1), and the indoor unit will go into
humidifying operation while the indoor unit starting operation subsequently (Unit 2) will go
into standby mode.
HEAT operation switches from Unit 1 to Unit 2 automatically.
mode, then, the Unit 1 will start HUMID HEAT operation again.
→
Room-A will be set as the priority room.
→
Room-B will be set as the priority room.
JP9 JP10
SiBE12-908
(R9428)
Function and Control