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7.8
Replacement of parts
CAUTION: Mains supplies:
▶ Turn off the gas supply and isolate the mains supplies
before starting any work on the boiler and observe all
relevant safety precautions.
CAUTION: Component replacement:
▶ Replace the burner housing gasket and the Flueway
sump seal when re-assembling the heat exchanger.
Do not reassembly the heat exchanger and Flueway
until new gaskets and seals are available.
▶ After replacement of a gas related component,
where a gasket or seal has been disturbed or
replaced, check for gas tightness using a gas sniffer/
analyser.
▶ On re-assembly check all affected seals for cracks,
hardness and deterioration.
If damaged or in any doubt the seal must be replaced.
▶ Also after re-assembly, carry out the following
checks:
Fan pressure in section 7.5,
Flue gas analysis in section 7.6.
7.8.1
Removing the outer case
Removing the bottom panel:
1. Pull the catch down.
2. Slide the panel forward and down to remove
1.
2.
Fig. 77 Bottom panel
Removing the outer case:
1. Locate and remove the two screws under the front of the boiler.
2. Pull the two catches, located under the front of the boiler, down to
release the control panel
3. Pull the bottom of the control panel forward slightly and down.
4. Allow the control panel to rotate down on the hinges.
5. Remove the two screws securing the bottom of the case.
6. Release the two catches on top of the boiler.
7. Pull the case towards you and remove.
CDi Compact
ErP
- 6 720 813 276 (2015/07)
3.
2.
6.
7.
5.
4.
Fig. 78 Removing outer case
7.8.2
Draining the boiler
Many of the tasks in this section require that the boiler be isolated and
drained.
1. Connect a suitable hose firmly to the drain point and run the hose
outside to a suitable point or container.
2. Turn the drain valve a ¼ turn anticlockwise to open the drain. Turn
the valve firmly clockwise to close.
Fig. 79 Draining the boiler
SERVICE AND SPARES
1.
¼
2.
1.
47
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