Viessmann Vitocal 300-G Installation And Service Instructions Manual page 60

Installation sequence
Opening the heat pump
!
Please note
The earth conductors are con-
nected to the inside of the cas-
ing panels. Never rip off the
earth conductors when remov-
ing the external panels.
Undo the earth conductors
before removing the casing
panels. Reconnect all earth
conductors during the assem-
bly.
Note
The front panel is removed in the
delivered condition.
1. Undo the screw inside the joint
between the front and top panels.
2. Undo earth conductor A, then pull
the front panel at its upper edge
forward and lift out upwards.
60
(cont.)
3. Undo the screws of the front top
panel.
4. Undo the earth conductor, lift the
front top panel and pull away for-
ward.
5. Undo the screws that secure the
side panel.
6. Undo the earth conductor, slightly
push the side panel vertically for-
wards, tip it to the side and pull
away forwards.
Note
Traces of oil indicate a leaking refrig-
erant circuit in the heat pump module.
Ask a refrigeration engineer to check
the heat pump.