7 Installation
Installation and operation manual
16
EHYKOMB33A
Daikin Altherma hybrid heat pump – gas boiler module
4P353067-1K – 2020.10
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
b
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
Open the switch box cover of the indoor unit.
8
Plug the indoor unit connector into X39A of the indoor unit PCB.
X39A
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.
7.6
Connecting the gas piping
7.6.1
To connect the gas pipe
1
Connect a gas valve to the 15 mm gas connection of the gas
boiler and connect it to the field pipe according to local
regulations.
2
Install a gas mesh filter in the gas connection if the gas may be
contaminated.
3
Connect the gas boiler to the gas supply.
