8
Materials needed to install the heat pump
Water connection on the indoor unit is 1-
1/4” female connection for both flow and return.
3 way Valve when requiring a hot water & heating system.
2 way Valve when requiring zone heating NB each zone requires a 2 way valve
NB The water connection can be reduced using a male to female bush
Power cable to the unit
：
6KW&9kw used 3 core 4mm2 shielded heat resistance cables,
12KW&15kw used 3 core 6mm2 shielded heat resistance cables An
isolator is required as part of the field wiring.
Power cable to the indoor unit 3 core 2.5mm2 shielded heat resistance cable. An isolator is
required as part of the field wiring.
Low voltage inter connecting cable .75mm shielded twisted pair.
NB all controls cable must be installed 300mm away from mains cables
The required insolation for the field pipe installation is Class ‘0’.
Heating operation range
The Unit
Dry bulb
Wet
Bulb
Inlet
Outlet
Heating
Max.
35
26
50
55
Min.
-15
/
15
20
