49
Commissioning steps
Inspection steps
Maintenance steps
Page
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3. Checking the refrigerant circuit for leaks
........................................................................ 50
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4. Filling and venting the primary side
................................................................................. 50
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5. Filling and venting the secondary side
............................................................................ 51
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•
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6. Checking expansion vessels and the primary circuit/heating circuit pressure
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7. Checking the electrical connections for firm seating
•
............................................................................................... 51
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10. Checking the heat pump for noise
................................................................................... 63
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11. Checking the system function
.......................................................................................... 63
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12. Instructing the system user
.............................................................................................. 63
Opening the heat pump
Danger
Contact with live components can lead to seri-
ous injury from electric current.
■
Never touch
wiring chambers: For heat pump
control unit and power supplies, see page 23.
■
When working on the appliance, isolate the
system from the power supply, e.g. at a sepa-
rate MCB/fuse or a mains isolator. Check that
it is no longer live. Safeguard against recon-
nection.
Danger
The absence of component earthing can lead to
serious injury from electrical current and cause
component damage in the event of an electrical
fault.
All earth connectors
must
be reconnected.
!
Please note
Commissioning immediately after installation
can lead to appliance damage.
Wait
at least 30 min
between installing and
commissioning the appliance.
1.
Remove the front panel in reverse order to the
description on page 45.
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
5855006