Panasonic WH-MDF09C3E5 Installation Manual page 72

Commissioning
Preparing monobloc systems for commissioning
1 Fastening screws
Lever
2
3 Pressure relief valve
4 Raise lever
Indication
Devices with high efficiency
pumps are identified separately
in the overview on page 5 .
9 – 72 Aquarea air/water heat pump – Installation manual for monobloc and split systems C, D and E series 05 / 2014
2
1
Open the monobloc unit as described in section 5 .1 .
➤
Vent the heating system . Proceed as follows to do so:
➤
Loosen the fastening screws as shown in the figure and remove
➤
the cover .
Set the lever of the pressure relief valve to the horizontal position
➤
(open) . The enclosed air can now escape .
Return the lever of the pressure relief valve to the basic setting
➤
(closed) after a few seconds .
Repeat the process until you can no longer hear air bubbles
➤
moving .
Check the system pressure on the manometer . In normal opera-
➤
tion, the system pressure should be between 0 .5 bar and 3 bar .
If necessary, set the target pressure .
Check the refrigeration circuit in the monobloc unit for leaks . Any
➤
leaks must be repaired .
Perform a test run to ensure that no malfunctions occur after installa-
➤
tion . Proceed as follows to do so:
Switch the RCD to ON .
➤
Switch on the monobloc unit (OFF/ON button) on the operator
➤
control panel or wired remote control) . See sections 9 .3 . . . 9 .5 for
operation and programming .
Check the system pressure on the manometer again . In normal
➤
operation, the system pressure should be between 0 .5 bar and
3 bar . If necessary, set the target pressure .
Set the water circulation pump . Please note that settings differ for
➤
standard pumps and high efficiency pumps, as described in the two
relevant sub-sections 9 .3 .1 and 9 .3 .2 .
3
4
Pressure relief valve