48
Henrad CC FF
- Installation
SER
VICING
For option C, proceed as follows:
C1. Isolate the electrical, gas and water
services.
C2. Drain down the boiler CH/HW circuits using
the appropriate boiler drain cocks (refer
Frame 68).
C3. Undo all service unions at the base of the
boiler, and unplug and disconnect the
electrical supply lead, which is secured by
one screw in the centre of the boiler base.
C4. Disconnect the flue turret and place to one
side (reverse of the assembly described in
Frames 18 & 28).
C5. Lift the boiler off the wall and place
horizontally, at a convenient working height.
C6. Follow instructions B3 to B6.
C7. Return the boiler to the wall mounting frame,
remaking all connections, including the flue.
C8. Fill, pressurise and test.
C9. Remove the filling loop.
B2. Drain down the boiler CH circuits, using the
appropriate drain cocks.
B3. Where RH clearance is available.
Unscrew the 10 screws securing the RHS
panel and remove panel to gain access to
expansion vessel connector.
Where RH clearance is not available.
Remove the fan (refer Frame 49) and gas
valve (refer Frame 62) to gain access to
the expansion vessel connector.
B4. Disconnect the flue, if RH exit, and remove
to the right (general details are reverse of
Frames 18 & 28).
B5. Undo the 3 screws securing the boiler
panel above the expansion vessel, and
remove the panel.
B6. Undo the water connection at the bottom of
the expansion vessel. Lift out the vessel
and fit the replacement, reassembling in
reverse order - using new gaskets and 'O'
rings where appropriate.
B7. Fill, pressurise and test.
B8. Remove the filling loop.
78 CH EXPANSION VESSEL REPLACEMENT - continued
SERVICING
Summary of Contents for CC 100 FF
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