4 Installation
Installation manual
9
RHYHBH RHYHBH/X08AAV3
ROTEX HPU hybrid heat pump module
4P353065-1 – 2013.05
4.5.3
To connect the user interface
1
Connect the user interface cable to the indoor unit.
X2M
X1M
1
2
X5M
2
Fix the cable with cable ties to the cable tie mountings.
4.5.4
To connect the shut-off valve
1
Connect the valve control cable to the appropriate terminals as
shown in the illustration below.
NOTICE
Wiring is different for a NC (normal closed) valve and a NO
(normal open) valve.
X2M
X1M
7
5
6
X5M
X2M
X1M
X5M
NO
NC
M2S
M2S
7
6
5
2
Fix the cable with cable ties to the cable tie mountings.
4.5.5
To connect the electrical meter
INFORMATION
In case of an electrical meter with transistor output, check
the polarity. The positive polarity MUST be connected to
X5M/7; the negative polarity to X5M/8.
1
Connect the electrical meters cable to the appropriate terminals
as shown in the illustration below.
X2M
X1M
7
8
X5M
2
Fix the cable with cable ties to the cable tie mountings.
