Viessmann BWT 221.A06, Installation And Service Instructions Manual

Page: 52 / 124

52
Opening the heat pump
Danger
Contact with 'live' components
can lead to severe injury from
electric current.
Never touch terminal areas
(heat pump control unit and
power connections; see
page 34).
Danger
The absence of component
earthing can lead to serious injury
from electrical current and to
component damage if an electri-
cal fault occurs.
Always reconnect the earth con-
ductors.
!
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 quali-
fied personnel (in accordance
with Ordinances EC 842/2006
and 303/2008).
1. Remove front panel, see page 18.
2. When work is complete, close the
heat pump; see page 50.
Regarding commissioning this
appliance, see also the operating
instructions.
Writing reports
When commissioning the appliance as
described below, enter the actual values
captured into the reports from
page 106 and into the operator's log (if
available).
Commissioning, inspection, maintenance
Further details regarding the individual steps
5601 574 GB