To Connect The User Interface - Daikin CHYHBH05AA Installer's Reference Manual

7 Installation
7 Open the switch box cover of the indoor unit.
8 Plug the indoor unit connector into X39A of the indoor unit PCB.
9 Close the switch box cover of the indoor unit.
10 Close the switch box cover of the gas boiler.
11 Close the gas boiler.
7.10.8

To connect the user interface

▪ If you use 1 user interface, you can install it at the indoor unit (for
control close to the indoor unit), or in the room (when used as
room thermostat).
▪ If you use 2 user interfaces, you can install 1 user interface at the
indoor unit (for control close to the indoor unit) + 1 user interface
in the room (used as room thermostat).
Installer reference guide
36
#
1 Connect the user interface cable to the indoor unit.
Fix the cable with cable ties to the cable tie mountings.
b
a Main user interface
b Optional user interface
2 Insert a screwdriver into the slots underneath the user
interface and carefully separate the faceplate from the
wallplate.
The PCB is mounted in the faceplate of the user interface.
Be careful NOT to damage it.
3 Fix the wallplate of the user interface to the wall.
4 Connect as shown in 4A, 4B, 4C or 4D.
5 Reinstall the faceplate onto the wallplate.
Be careful NOT to pinch the wiring when attaching the
frontplate to the unit.
(a) The main user interface is required for operation, but has to
be ordered separately (mandatory option).
4A From the rear
PCB
1×
a
b
4C From the top
a
b
PCB
1×
b
Daikin hybrid for multi heat pump – heat pump module
Action
X1M
X5M
2
1
a
(a)
4B From the left
PCB
1×
a
b
4D From the top centre
a
b
PCB
1×
b
CHYHBH05+08AA + EHYKOMB33A
4P471761-1A – 2017.10