20
Subject to technical amendments without prior notice | 83072100aUK | ait-deutschland GmbH
7. Position the valve motor
(①)
on the 3-way switch-
ing valve
(③)
.
8. Insert the U-clip
(②)
into the floor of the valve mo
-
tor.
2
3
1
9. Ensure that the U-clip has latched into position
correctly:
Valve motor sits securely on the 3-way switching
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.
7.5
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 vapour-diffusion tight.
9
Set the overflow valve
NOTE
●
The activities in this section are only nec-
essary for in-line tank integration.
● Complete the worksteps quickly, otherwise
the maximum return temperature can be
exceeded and the heat pump switches to
high-pressure fault.
● Turn the adjusting knob at the overflow
valve to the right to increase the tempera-
ture difference (the temperature drop), turn
it to the left to reduce it.
System is running in heating mode (ideally in cold
condition
).
The IBN assistant already provides the option, in the
event of the integration of the storage tank in series to
adjust the overflow valve according to to the hydrau
-
lic system.
Confirm the IBN assistant or:
Summary of Contents for WZSV 42K3M
Page 1: ...UK 83072100aUK Brine Water Heat Pumps Brine heat station Operating Manual WZSV 42K3M...
Page 31: ...31 Subject to technical amendments without prior notice 83072100aUK ait deutschland GmbH...
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