Closing The Heat Pump - Viessmann VITOCAL 151-A Installation And Service Instructions Manual

Closing the heat pump

Danger
The absence of system component earthing can
lead to serious injury from electrical current and
component damage in the event of an electrical
fault.
Before closing the indoor unit, restore all pro-
■
tective conductor connections.
Check whether equipment and pipe connec-
■
tions are connected to the equipotential bond-
ing of the building. Restore the connections if
required.
!
Please note
If a casing door is not securely closed this can
lead to damage from condensation, vibrations
and excessive noise.
■ Check all-round seal of front panel for dam-
age.
Close appliance correctly.
■
On pipe and hose outlets, ensure the thermal
■
insulation is seated correctly.
Closing the indoor unit
In reverse order: See page 41.
Commissioning, inspection, maintenance
!
Please note
Leaking hydraulic connections lead to appliance
damage.
■ Check the internal and on-site hydraulic con-
nections for leaks.
In the event of leaks, switch off the appliance
■
immediately. Drain the heating water. Check
the seating of seal rings. Replace any seal
rings that may have become dislodged.
Close the heat pump after completing all work.
For commissioning this appliance, see also the
operating instructions.
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