Zanussi ULTRA COMBI 35 Installation And Servicing page 29

24A CONNECTIONS & FILLING...... CONT
FILLING
IMPORTANT - when filling:
When filling there may be a slight water leak from the air vent therefore electrical connections should be protected.
Filling
1. Ensure filling loop is connected and all washers in place.
2. Ensure dust cap on auto air vent is slackened off refer to
frame 60.
3. Check the following isolation handles on water connections
are in the horizontal filling position (blue handle on DHW
A
inlet and black handle on CH return
Note. The CH flow isolation valve handle MUST be in the
vertical position to enable filling.
4. Slowly turn the filling loop handle (blue
horizontal open position until the pressure gauge reads
between 1 to 1.5 bar.
5. Once the pressure gauge dial reads between 1 to1.5 bar
turn the filling loop handle (blue
(vertical) position.
6. Turn the CH Return handle (black
handle (blue ) to the open (vertical) position.
A
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.
Note open all DHW taps to ensure water is flowing freely-once
satisfied close all taps.
Filling Positions shown
Cap
Filling
Plug
Loop
B
Filling Loop
(Blue)
Installation and Servicing
INSTALLATION
C ).
) to the
B
) back to the closed
B
) and the DHW Inlet
C
A
DHW Inlet
(Blue)
C
CH Return
(Black)
Top Up
1. Ensure filling loop is connected and all washers in place.
2. Ensure dust cap on auto air vent is slackened off refer to
frame 60.
3. Turn the DHW Inlet handle (blue
position.
4. Slowly turn the filling loop handle (blue
horizontal open position until the pressure gauge reads
between 1 to 1.5 bar
5. Once the pressure gauge dial reads between 1-1.5 bar
turn the handle (blue
B
closed (vertical) position.
6. Turn the DHW Inlet handle (blue
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.
Note open all DHW taps to ensure water is flowing freely-once
satisfied close all taps.
Top Up Positions shown
Cap
Filling
Plug
Loop
B
Filling Loop
(Blue)
) to the horizontal
A
) to the
B
) on the filling loop back to the
) to the open (vertical)
A
A
DHW Inlet
(Blue)
C
CH Return
(Black)
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