3
Filling and bleeding
See Installation Quick Guide for more information.
1. Fill the system with cold water by opening the filler valve, that is on the valve pipe, to a pressure of 1 bar.
2. Open all radiator valves fully.
3. Bleed all radiators.
4. Bleed the outdoor unit. See figure 3.
5. Refill the heating system to a pressure of 1 bar.
6. Repeat the procedure until all air has been removed.
7. Check the system for leakage.
!
Leave all radiator valves fully open.
!
To bleed the out door unit, remove the lower front hatch and right hand side cover.
a
tec
-043
T25
Fig. 2: Remove front hatch and side cover
a
te
c
-042
Fig. 3: Bleed the outdoor unit
Commissioning
VIGFH102
Danfoss Heating Solutions
8
