Viessmann Vitocal 252-A Series - Page 82

82
Outdoor unit with 2 fans, types ...A16 to A19
B
A
C
D
A
B
A B
Fig. 63
A
Compressor power supply 400 V~
B
Connection for CAN bus communication cable
(accessories)
C
Cable entry for CAN bus communication cable
Torque: 6 Nm
D
Cable entry for power cable
Torque: 8 Nm
Length of cable in appliance:
■
Compressor power cable 400 V~: 1600 mm
■
CAN bus communication cable: 1700 mm
Indoor/outdoor unit CAN bus communication cable (accessories)
!
Please note
Incorrectly carried out electrical installation can
cause damage to the appliance.
Protect the CAN bus communication cable from
damage.
The indoor unit and outdoor unit are integrated into the
internal CAN bus system via the CAN bus communica-
tion cable.
Electrical connections
Electrical connection of the outdoor unit (cont.)
6222080
Installation