Viessmann AWT-AC 221.A04, Инструкция по установке и обслуживанию

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63
Opening the heat pump
Danger
Contact with 'live' components
can lead to serious injury from
electric current.
■
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 from electrical current and
in component damage in the
event of an electrical fault.
All earth connectors
must be
reconnected.
!
Please note
Wait at least 30 min between
installing and commissioning the
appliance to prevent equipment
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 16.
2. When work is complete, close the
heat pump; see page 60.
Regarding commissioning this
appliance, see also the operating
instructions.
Compiling reports
Enter measurements taken during com-
missioning (described below) into the
reports from page 129 and the opera-
tor's log (if available).
Commissioning, inspection, maintenance
Further details regarding the individual steps
5782 201 GB
Service