60
L1
400 V/50 Hz
?
L2
L3
N
PE
3/N/PE
L1
L2
L3
N
Fig. 57
3.
Connect the wires to mains terminal
A
in the con-
trol panel.
4.
Secure contact shield
C
with screws.
5.
If a seal is required (e.g. when using an economy
tariff with power-OFF), pass the seal wire through
the holes
D
drilled in both studs.
■
On-site fuse protection in accordance with the com-
pressor rating (see specification).
Note
The upstream MCBs must have B characteristics.
■
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: 5 x 2.5 mm
2
, flexible
Power supply with power-OFF
Power-OFF without on-site load disconnection
The power-OFF signal is connected directly to the heat
pump control unit. An active power-OFF shuts down
the compressor "hard".
Parameter
"Output for instant. heating water heater
at power-OFF 790A"
determines whether and at what
stage the instantaneous heating water heater (acces-
sory) stays operational.
Service instructions, Vitotronic 200 heat pump
control unit
Note
Observe the technical connection conditions of the rel-
evant power supply utility.
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 ...
