Supplied By www.heating spares.co Tel. 0161 620 6677
28
221474C
2.6 Service Checks
Before replacing any parts removed during servicing, inspect the
condition of all seals and joints, renewing them as necessary.
Check the condition of the combustion chamber insulation.
Check that the spark and sensing gaps are as shown in diagram
2.3.
2.7 Note. Reassembly
Make sure the sensing lead is reconnected and the main burner is
fitted correctly on assembly, located on the main injector and
horizontal, the tips of the rearmost blade under the two burner
guides, see diagram 2.4.
Locate the combustion chamber front panel under the front edge
of the flue hood on assembly, then secure all screws and wing nuts.
The combustion chamber front panel should be fitted loosely, then
the flue collector also fitted loosely, make sure that it is seated onto
the heat exchanger and over the top edge of the front panel.
To fit the fan, locate it into the rear bracket and ease the flue elbow
onto the fan outlet, making sure that the fan outlet seal is correctly
positioned. Secure with the two screws, see diagram 2.1.
Refit electrical connector making sure that the red spots are
aligned.
Refit the sensing tube.
Secure the flue collector and combustion chamber front panel by
tightening the securing screws, see diagram 2.1 and 2.2.
Refit the inner case cover, see diagram 1.1.
2.8 Operational Checks
Light the boiler, carry out operational checks and any necessary
adjustments as described in “Commissioning” in the Installation
Instructions.
2.9 Completion
Hook the outer case on at the top and secure with the screws
previously removed, see diagram 6.1 Installation Instructions.
Close the door.
Diagram 2.3
SECURING
NUT AND
WASHER (2)
5018
5
+0.5
-0.5
3
+0.5
-0.5
5
+0.5
-0.5
5059
SILICONE
TUBES
SEALING ANGLE
SPARK
ELECTRODE
EARTH
ELECTRODE
2 Servicing
