20
Subject to change without notice | 83056600dUK – Translation of the original operating manual | ait-deutschland GmbH
7. Position the valve motor (1) on the 3-way change-
over valve (3).
8.
Insert the U-clip (2) into the floor of the valve mo
-
tor.
9. Ensure that the U-clip has latched into position
correctly:
Valve motor sits securely on the 3-way changeo-
ver valve.
Both prongs of the U-clip sit on the lug.
The tips of the U-clip are visible by approx. 2 mm
(not significantly more
!).
10. Screw the front panel of the module box.
7.6
Flush, fill and vent
the domestic hot water tank
Drain pipe of the safety valve is connected.
►
Ensure that the set pressure of the safety valve is
not exceeded.
1. Open the domestic water inlet valve at the
domestic hot water tank.
2. Open taps for domestic hot water.
3.
Flush the domestic hot water tank until no more
air discharges from the valves at the taps.
4. Close taps for domestic hot water.
8 Insulate hydraulic connections
1. Insulate heating circuit, heat source and domestic
water pipes according to the local regulations.
2.
Open shut-off devices.
3.
Perform a pressure test and check for leaks.
4. Insulate the internal piping of the module box with
the insulation material from the separate pack
included.
5. Insulate external piping on site.
6.
Insulate all connections, fittings and pipes.
7.
Insulate heat source so that it is vapour-diffusion
tight.
8. Insulate the heating circuit of units with cooling
vapour-diffusion tight too.
