Thermia Calibra Cool, Руководство по установке

Страница: 21 / 44

6.3 Power supply 400V
If the heat pump is connected to ground fault switch RCDs, it should be connected to a separate type B.
L1 L2
N L3 L1 PE PE L2
L3 N
1
2
3
4
OK
12mm
▪
L1, :Control, and circulation pump
▪
L1, L2: Internal immersion heater
▪
L3: Inverter, compressor
6.4 External reversing valve (Optional)
In systems with separated cooling circuit, a reversing valve can be fitted outside the heat
pump.
For connection on to the heat pump,
see chapter "Electrical connections to
terminal block and I/O card" This gives
possibility to build system where not all
the system is used for cooling/heating.
BM
-ca
rd
310
310
Reversing valve
Radiator circuit
M
N
L
Y
N
L1
TR9
TR8
TAP
W
A
TER
Installation Guide Calibra Cool
Thermia AB BWCC01IG0102
21