Viessmann VITOCAL 151-A Installation And Service Instructions Manual page 55
Air source heat pump, monoblock version for heating and cooling operation, with 1 integrated heating/cooling circuit
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Also See for VITOCAL 151-A:
- Operating instructions for the system user (60 pages) ,
- Manual (24 pages)
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Electrical connection
Outdoor unit: Electrical terminal area on the underside of the appliance
Fig. 46
Indoor/outdoor unit CAN bus communication cable
A
connection
Power supply
B
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.
(cont.)
AB
Installation sequence
55
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