Rotex RHYKOMB33AA, Installation And Operation Manual

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7 Installation
Installation and operation manual
14
RHYKOMB33AA
ROTEX HPU hybrid gas boiler module
4P353068-1 – 2013.07
7.5.2 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 a knockout hole in the switch box of the gas boiler.
4
The (larger) boiler connector of the cable is too large to fit
through the knockout hole. Therefore, put the (smaller) indoor
unit connector through the backside of the knockout hole and
slide the cable all the way through, so that the gas boiler
connector is near the PCB of the gas boiler.
5
Route the communication cable from the gas boiler to the
indoor unit as in figure below.
6
Open the switch box cover of the indoor unit.
7
Plug the indoor unit connector into X39A of the indoor unit PCB.
X39A
8
Close the switch box cover of the indoor unit.
9
Plug the gas boiler connector into the gas boiler PCB.
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
Install a gas valve between the gas supply and the gas boiler.
Use a Ø22 mm connection.
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.
4
Check all parts for gas leaks on a pressure of maximum
50 mbar (500 mm H
2
O). There may be no stress on the gas
supply connection.