Viessmann Vitocal 252-A Series - Page 88

88
Only types ... SP: Heat pumps with central power supply on the indoor unit
Shared power supply for heat pump control unit and
instantaneous heating water heater:
■
Only for instantaneous heating water heaters with
230 V~ power supply
■
230 V~ power supply kit (accessories) required
Installation instructions "230 V~ mains con-
nection kit"
Note
Fuse in "230 V~ mains connection kit" for appliance
protection only
■
Power supply: 1/N/PE 230 V/50 Hz
■
Recommended power cable:
3 x 6.0 mm
2
■
Max. cable length: 30 m
■
Max. fuse rating: 32 A
■
Standard tariff: No economy tariff with power-OFF
facility possible
Indoor unit: Heat pump control unit power supply 230 V~
The mains connection is made in the
230 V~/400 V~ terminal area.
40
P2P1171143
1 2 3 4 5 6 7 8 9 10 11 12 13 14
N L N L N L
N
L
NL1 L2 L3 N1 N2 N3
136
136
1/N/PE
230 V/50 Hz
3/N/PE
400 V/50 Hz
1/N/PE
230 V/50 Hz
230 V~
3x
AC
r
r
1
F2
Fig. 67
F2 Fuse 6.3 A H (slow)
Mains terminal for heat pump control unit
power supply
Electrical connections
Power supply (cont.)
6222080
Installation