Atlantic WOYG112LHT, Installation And Commissioning Instructions

Page: 36 / 92

4 .4 Filling and draining the installation
- Check the attachment of the pipes, that the connectors
are tight and that the hydraulic module is stable.
- Check the direction of circulation of the water and that
all of the valves are open.
- Fill the installation.
- Deactivate the non-return valves.
- Position the directional valve in intermediate position.
- When filling, do not operate the circulation pump, open
all of the drains of the installation and the drains of the
hydraulic module ( P and A ) to evacuate the air in the
pipes.
- Close the drains and add water until the pressure of
the hydraulic circuit reaches 1 bar.
- Check that the hydraulic circuit is drained correctly.
- Close the non-return valves.
- Check that there are no leaks.
"
The exact filling pressure is determined
according to the installation's manometric head .
figure 31 - Hydraulic module drain taps
(P)
Manual
drain tap
(P)
Manual
drain tap
(A)
Automatic
drain tap
figure 32 - Non-return valve
Flap closed
(Normal operating
position)
Flap disengaged
(Filling or drain
position)
Installation and commissioning instructions "1485 - EN"
Heat pump alféa hybrid duo gas
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