Writing Reports; Checking The Refrigerant Circuit For Leaks; Filling And Venting On The Primary Side - Viessmann Vitocal 300-G Pro SPS Installation And Service Instructions For Contractors

Commissioning, inspection, maintenance
Opening the heat pump
Danger
Contact with 'live' components can lead to seri-
ous injury from electric current.
Never touch terminal areas of the heat pump
control unit or power connections; see page 29.
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.
Remake all earth connections.
!
Please note
Wait at least 30 min between siting and com-
missioning the appliance to prevent appliance
damage.
Work on the refrigerant circuit must only be
carried out by a qualified refrigeration engi-
neer.

Writing reports

Enter all readings taken during commissioning (descri-
bed below) into the reports from page 85 onwards.

Checking the refrigerant circuit for leaks

Check the floor area, valves and all visible solder joints
for traces of oil.
Note
Traces of oil indicate a leak in the refrigerant circuit.
Have your heat pump checked over by a refrigeration
engineer.

Filling and venting on the primary side

!
Please note
To prevent appliance damage,
fill the primary circuit before switching on the
power supply.
1. Check the Victaulic connections in the heat pump
for tightness. The Victaulic couplings must be form-
locked and fitted together seamlessly.
2. Check the pre-charge pressure of the expansion
vessel.
46
1. Remove top panel; see page 43.
2. When work is complete, close the heat pump; see
page 43.
Regarding commissioning this appliance, see
also the operating instructions.