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Aquarea air/water heat pump – Installation manual for monobloc and split systems C, D and E series 05 / 2014
9
Commis
-
sioning
Commissioning
Preparing split systems for commissioning
9.2 Preparing split systems for commissioning
➤
Open the hydro module as described in section 5 .2 and the outdoor
unit as described in section 5 .1 .
➤
Vent the heating system . Proceed as follows to do so:
➤
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 .
1
Pressure relief valve
2
Manometer
3
RCD
4
Lever
5
Pressure relief valve
6
Raise lever
4
6
5
2
3
1
Danger!
Only qualified or certified personnel may work on the open device .
The device carries potentially fatal voltage when open .
Warning!
The refrigerant system absolutely must be evacuated before initial
commissioning, see section 7 .6 .
Warning!
System must be powered up (Power supply 1) 5 hours prior to running
the heat pump to prevent long-term irreversible compressor damage .