9 – 72
Aquarea air/water heat pump – Installation manual for monobloc and split systems C, D and E series 05 / 2014
Commissioning
Preparing monobloc systems for commissioning
Indication
Devices with high efficiency
pumps are identified separately
in the overview on page 5 .
Pressure relief valve
1
2
4
3
1
Fastening screws
2
Lever
3
Pressure relief valve
4
Raise lever
➤
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 .
