Heat Pump Control Unit Power Supply 230 V; Compressor Power Supply 400 V; Compressor Power Supply 230 V; Connecting 400 V~ Instantaneous Heating Water Heater Power Supply - Viessmann Vitocal 222-G Installation And Service Instructions Manual

Installation sequence
Power supply
(cont.)

Heat pump control unit power supply 230 V~

X3 X2
6
7
8
9
16
16
18
F1 T6,3AH
L1 N
Fig. 24

Compressor power supply 400 V~

L1
L2
3/N/PE
L3
400 V/50 Hz
N
Fig. 25
■ Fuse protection in accordance with the compressor
rating (see "Specification").
■ Economy tariff and power-OFF can be applied.

Compressor power supply 230 V~

L1
230 V / 50 Hz
N
1/N/PE
?
Fig. 26
■ MCB/fuse protection according to compressor out-
put: See "Specification".
Economy tariff and power-OFF can be applied
■

Connecting 400 V~ instantaneous heating water heater power supply

400 V / 50 Hz
3/N/PE
L3 L3
L2 L2
L1 L1
PE
PE
N3
N2
N N1
Fig. 27
30
X1
N
N
3
1 1
L1
L2
L3
N
PE
L1
N
PE
Note
This supply must never be blocked.
■ Max. fuse rating 16 A
■ Standard tariff (no economy tariff with power-OFF
possible)
■ Recommended power cable: 3 x 1.5 mm
2
(5 x 1.5 mm with power-OFF)
■ No parameters need to be set when using economy
tariff with power-OFF. The compressor is shut down
during the power-OFF time.
Recommended power cable:
■
2
5 x 2.5 mm
Max. cable length:
25 m
■ No parameters need to be set when using economy
tariff with power-OFF. The compressor is shut down
during the power-OFF time.
■ Recommended power cable:
2
3 x 4 mm
Max. cable length: 25 m
■ Max. fuse rating 16 A: See "Specification".
■ Economy tariff and power-OFF can be applied
■ Recommended power cable:
5 x 2.5 mm 2
Max. cable length: 25 m
2