1.
Connect the filling loop, ensuring the washers are in
place.
2. Loosen the auto air vent dust cap.
Refer to Section
3.23
3. Check the following isolation handles on water
connections are in the horizontal filling position (blue
handle on DHW inlet
and black handle on CH
return
C
).
4.
Position the CH flow isolation valve handle in the vertical
position to enable filling.
5.
Slowly turn the filling loop handle (green
B
) to the
horizontal open position until the pressure gauge reads
between 1 to 1.5 bar.
6.
Turn the filling loop handle (green
B
) back to the
closed (vertical) position.
7. Turn the CH Return handle (black
C
) and the DHW
Inlet handle (blue
) to the open (vertical) position.
8.
Disconnect the filling loop from the DHW Inlet valve and
fit the grey cap to the open end.
9.
Fit the Plug to the free end of the filling loop.
Top Up
1.
Connect the filling loop, ensuring the washers are in
place.
2. Loosen the auto air vent dust cap.
Refer to Section
3.23
3. Turn the DHW Inlet handle (blue
) to the horizontal
position.
4.
Slowly turn the filling loop handle (green
B
) to the
horizontal open position until the pressure gauge reads
between 1 to 1.5 bar.
5. Turn the handle (green
B
) on the filling loop back to
the closed (vertical) position.
6. Turn the DHW Inlet handle (blue
) to the open
(vertical) position.
7.
Disconnect the filling loop from the DHW Inlet valve and
fit the grey cap to the open end.
8.
Fit the Plug to the free end of the filling loop.
FILLING
SCAN
for video
WARNING:
Protect electrical connections from water
26
Installation and Servicing
Section 2 - Installation
INST
ALLA
TION
2.19 CONNECTIONS & FILLING CONT.
Filling System Positions shown
Top Up Pressure Positions shown
Filling Loop
(Green)
Filling Loop
(Green)
CH Return
(Black)
CH Return
(Black)
DHW Inlet
(Blue)
DHW Inlet
(Blue)
Cap
Cap
Plug
Plug
Filling
Loop
Filling
Loop
A
B
C
B
A
C
