59
Heat pump control unit power supply 230 V~
L1
X3.18
N
X2.1
?
X1.1
A
1/N/PE
230 V/50 Hz
max.16 A
Fig. 55
A
Mains terminals inside the heat pump control unit
Note
This supply must
never
be blocked.
■
Max. fuse rating 16 A
■
Standard tariff: No economy tariff with power-OFF
possible for the heat pump control unit
■
Recommended power cable:
3 x 1.5 mm
2
■
Recommended power cable with power-OFF for
compressor/instantaneous heating water heater:
5 x 1.5 mm
2
Compressor power supply (400 V~), sealing economy tariff connection for compressor
1.
3.
2.
Fig. 56
1.
Undo screws on contact shield
C
.
2.
Route 400 V~ power cable through cable fitting
B
and apply strain relief.
Installation sequence
Power supply
(cont.)
5692878
Installation
Summary of Contents for Vitocal 350-A AWHI 351.A14
Page 82: ...82 Troubleshooting Repairs cont 5692878 Maintenance ...
Page 101: ...101 Parts list type AWHI 351 A Heat pump module cont 5692878 Components ...
Page 104: ...104 Parts list type AWHI 351 A Base frame cont 5692878 Components ...
Page 125: ...125 Parts list type AWHO 351 A Heat pump module cont 5692878 Components ...
