Technical information
29
AWE – 6721835317 (2021/09)
11.3.2 Single-phase heat pump with three-phase integrated electric booster heater
Fig. 32 Single-phase heat pump with integrated electric booster heater (three-phase current)
[1] Indoor unit
[2] Heat pump
[3] Pressure switch
[4] Overheating protection (OHP)
[5] Installation module of the indoor unit
[6] Accessories
[7] CAN-BUS
[8] Power supply to heat pump
[9] I/O module
[10] Inverter
[11] Heating element 3 x 1 kW (3 x 53 )
[12] Heating element 3 x 2 kW (3 x 27 )
[13] Electrical heater
[14] Compressor
[15] Terminals
[16] Mains voltage 400 V ~3 N
[17] Power supply to heat pump
[18] Power supply for accessories
The connection of a heat pump operated with single phase AC current to
an indoor unit operated with three-phase AC current (three-phase
current) must be done according to the wiring diagram.
Maximum output of the electric booster heater when operated in tandem
with a compressor: 6 kW.
▶ K3 not together with a compressor.
Indoor unit is set up as a three phase appliance. If single phase
connection is required, refer to fig. 12 for the correct jumper setting. For
single phase connections, the heat pump has a separate power supply
and is connected via the building connection.
1
3
4
6
7
8
9
2
13
18
17
16
15
11
12
14
10
5
Factory connection
Connected during installation / accessories
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