34
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Installation & Servicing
SERVICING
42 SAFETY
It is the law that any service work must be carried out by a
registered CORGI installer, or in IE a competent person.
WARNING. Always turn off the gas supply at the gas
service cock, and switch off and disconnect the electricity
supply to the appliance and any external controls before
servicing or replacing components.
IMPORTANT.
After completing the servicing or replacement of components
always:
-
Test for gas soundness after reconnecting the gas at the
inlet connection and at all the individual gas valve inlets.
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Check the water system is correctly filled and free from air.
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Check all casing panels are correctly fitted and secured and
earth leads connected.
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As each burner is ignited, immediately check the gas valve
connections to the burner hood for gas soundness, and
check the burner seal for soundness.
-
With the system hot, examine all water connections for
soundness.
-
Check the gas rate and measure the combustion CO/CO
2
content. Refer to Frames 27 and 32
for reference on how to
run the boiler at maximum rate. The CO/CO
2
ratio of the flue
gas should not be greater than 0.004 ratio.
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Check burner pressure adjustment, see Frame 39.
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Complete the boiler log book.
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Carry out functional checks as appropriate.
43 SERVICING SCHEDULE
To ensure the continued safe and efficient
operation of the appliance it is recommended
that it is checked at regular intervals and
serviced as necessary. The frequency of
servicing will depend upon the installation
condition and usage but should be carried out
at least annually.
Caradon Ideal Limited does not accept any
liability resulting from the use of unauthorised
parts or the repair and servicing of appliances
not carried out in accordance with the
company's recommendations and
specifications.
Before Servicing
1. Light the boiler and carry out function
checks, noting any operational faults.
2. Run the boiler for 10 minutes and then
check the gas consumption rate and
measure the combustion CO/CO
2
content.
For reference on how to force the boiler to
maximum rate see Frames 27 and 32.
Step One - Disassembly
1. Turn off the gas supply at the gas service
cock and disconnect the gas supply from the
boiler gas manifold. Switch off and
disconnect the electricity supply to the
appliance and any external controls.
2. Remove the 2 screws securing the top panel
to front/back panels. Now pull all the casing
panels off their latch studs and remove,
taking care to disconnect their earth leads.
3. Remove the cover of the fan box 'A' by removing screws 'B'.
4. Remove the grommets 'C' on the bottom of the fan box to gain
access to the securing bolts.
5. Remove the bolts 'D1 - D2 - D3 - D4' securing the burners
and fan box to the combustion chamber, using a 13mm
socket wrench and ring spanner.
6. Remove the 'E' fixing screws on the 2 sides of the gas
manifold. Remove the sheet metal protections 'F' on the 2
sides of the gas manifold.
A
B
3
D4
5
D3
5
D1
D2
5
E
F
6
C
C
4
SER
VICING