Viessmann 7424689, Инструкция по установке и обслуживанию

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64
Opening the heat pump
Danger
Touching 'live' components can
result in severe injury due to elec-
tric shock.
■
Do not touch wiring chambers
(heat pump control unit and
power connections for internal
and external units; see chapter
"Overview of connections:
Internal unit" and "Overview of
connections: External unit").
■ Before working on the applian-
ces (internal/external unit), iso-
late the system from the power
supply (e.g. by removing a sep-
arate mains fuse or by means
of a mains isolator) and safe-
guard against unauthorised
reconnection.
Danger
The absence of component
earthing can result in serious
injury due to electric shock and
component damage in the event
of an electrical fault.
All earth connectors
must be
reconnected.
!
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
may
only be carried out by certi-
fied personnel (in accordance
with EC Directives 842/2006 and
303/2008).
1. Remove front panel, see page 30.
2. When work is complete, close the
heat pump; see page 60.
For commissioning this appli-
ance, also see the operating
instructions
Writing reports
Enter measurements taken during com-
missioning described in the following into
the reports from page 114 and into the
operator's log (if available).
Commissioning, inspection, maintenance
Further details regarding the individual steps
5601 429 GB