4 Installation
Installation manual
8
07C2V3
ROTEX HPSU monobloc compact outdoor unit
4P501825-1 – 2017.08
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
Low voltage
▪ Interconnection cable to HPSU monobloc tank
▪ Remote outdoor sensor (option)
b
High voltage
▪ Shut-off valve (field supply)
c
Main power supply
▪ Main power supply
3
Inside the unit, route the wiring as follows:
a
b
a
Low voltage wiring
b
High voltage 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 2 3
X4M
2
3
1
1
GND
2
L
3
N
4.4.3
To connect the remote outdoor sensor
1
2
10 mm
3
56
X5M
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
X4M
X3M
M2S
2
1
