General Information - Electrical Connection; Installation - Viessmann Vitocal 300-G Installation And Service Instructions For Contractors

General information - electrical connection

■ Connecting cables, heat pump
stage 1 – stage 2:
See page 65.
■ Electrical connection of system
components (pumps, mixers, valves,
alarm facilities, contactors, function
extensions, sensors, etc.):

Installation

For handling purposes, the heat pump
module can be removed (see
page 120).
!
Please note
Avoid damaging the appliance
during handling.
Never put weight on top of the
appliance.
Installation room requirements
!
Please note
The installation room must be dry
and free from the risk of frost.
Ensure ambient temperatures of
0 to 35 ºC.
!
Please note
Avoid risk of explosion due to
dust, gases and vapours
in the installation room.
Preparing for installation
These connections are made inside
the heat pump control unit. Observe
information from page 67.
■ Power supply:
The number of power cables from the
distribution board (meter box) to the
heat pump control unit and to the con-
trol panel depends on the system ver-
sion and tariffs used.
These connections are made inside
the heat pump control panel. Observe
information from page 91.
!
Please note
If the compressor is at a steep
angle in the heat pump, lubricant
will enter the refrigerant circuit
and damage the appliance.
Max. tilting angle 45°.
!
Please note
Observe the permissible floor
load.
■ Total weight
BW 121
BWS 121
BW 129
BWS 129
BW 145
BWS 145
282 kg
277 kg
305 kg
300 kg
345 kg
340 kg
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