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4 Installation
NOTICE
The distance between the high voltage and low voltage
cables should be at least 25 mm.
Routing
Possible cables (depends on the installed options)
a
▪ Interconnection cable to HPSU monobloc tank
Low voltage
▪ Remote outdoor sensor (option)
b
▪ Shut-off valve (field supply)
High voltage
c
▪ Main power supply
Main power supply
3 Inside the unit, route the wiring as follows:
a
a
Low voltage wiring
b
High voltage wiring + main power supply
4 Make sure that the cable does NOT come in contact with sharp
edges.
5 Install the switch box cover.
INFORMATION
When installing field supply or option cables, foresee
sufficient cable length. This will make it possible to remove/
reposition the switch box and gain access to other
components during service.
CAUTION
Do NOT push or place redundant cable length in the unit.
4.4.2
To connect the main power supply
1 Connect the main power supply.
1
GND
2
L
3
N
Installation manual
8
b
1
2
3
X4M
1 2 3
4.4.3
To connect the remote outdoor sensor
1
3
4.4.4
To connect the shut-off valve
1 Connect the valve control cable to the appropriate terminals as
shown in the illustration below.
NOTICE
Only connect NO (normal open) valves.
NO
X5M
X3M
ROTEX HPSU monobloc compact outdoor unit
10 mm
2
5 6
X5M
X4M
M2S
RBLQ05+07C2V3
4P501825-1 – 2017.08
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