Viessmann BW 301.A090, Installation And Service Instructions Manual

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80
Provide information first
Details on the steps required
for commissioning, inspection
and service:
Installation and service instruc-
tions Vitocal 300-G Pro,
Vitocal 300-W Pro
Opening the heat pump
Danger
Contact with 'live' components
can lead to serious injury from
electric current.
Never touch wiring chambers of
the heat pump control unit or
power connections; see
page 53.
Danger
The absence of component
earthing can result in serious
injury from electrical current and
in component damage in the
event of an electrical fault.
Always remake all earth connec-
tions.
!
Please note
Wait at least 30 min between the
installation and commissioning of
the appliance to prevent equip-
ment damage.
Work on the
refrigerant circuit
must only be carried out by a
qualified
refrigeration engi-
neer .
1. Remove top panel; see page 77.
2. When work is complete, close the
heat pump; see page 77.
Regarding commissioning this
appliance, see also the operating
instructions.
Commissioning, inspection, maintenance
Further details regarding the individual steps
5848 164 GB