Viessmann Vitocal 222-S, Инструкция по установке и обслуживанию

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68
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 25.
2. When work is complete, close the
heat pump; see page 65.
See also the operating instruc-
tions regarding the commission-
ing of this appliance.
Writing reports
Enter measurements taken during com-
missioning (described in the following)
into the reports from page 121 and into
the operating log (if available).
Commissioning, inspection, maintenance
Further details regarding the individual steps
5600 950 GB