To Connect The Main Power Supply Of The Gas Boiler; To Connect The Communication Cable Between Gas Boiler And Indoor Unit - Daikin CHYHBH05AA Installer's Reference Manual

X2M
3
X1M
2
1
X5M
a
1 2 3
1 2 3
a Interconnection cable (=main power supply)
2 Fix the cable with cable ties to the cable tie mountings.
7.10.6 To connect the main power supply of the
gas boiler
1 Connect the power supply cable of the gas boiler to a fuse (a)
(L: X2-2 (BRN), N: X2-4 (BLU)).
2 Connect the earthing of the gas boiler to an earthing terminal.
Result: The gas boiler performs a test.
display. After the test, appears on the service display (wait mode).
The pressure in bar is shown on the main display.
a
X2
DANGER: RISK OF ELECTROCUTION
A fused spur or an unswitched socket MUST be located no
more than 1 m from the appliance.
CAUTION
For installation in damp rooms, a fixed connection is
obligatory. When working on the electrical circuit ALWAYS
isolate the electric supply.
CHYHBH05+08AA + EHYKOMB33A
Daikin hybrid for multi heat pump – heat pump module
4P471761-1A – 2017.10
7.10.7
b
appears on the service
To connect the communication cable
between gas boiler and indoor unit
1 Open the gas boiler.
2 Open the switch box cover of the gas boiler.
3 Remove one of the bigger knockout holes on the right side of
the switch box of the gas boiler.
4 Put the (larger) boiler connector through the knockout hole. Fix
the cable in the switch box by routing it behind the pre-mounted
wires.
a
a Solenoid coil
b Connector X5
5 Plug the gas boiler connector into connector X5 of the gas
boiler PCB. Make sure the solenoid coil is outside the gas boiler
switch box.
6 Route the communication cable from the gas boiler to the
indoor unit as in figure below.
7 Installation
Installer reference guide
35