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Fig.61
Removing the burner pipe
Fig.62
Replacing the cover plate and the
insulation
7
C
B
A
Fig.63
Install the burner pipe
D
E
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5. Pull the burner pipe out of the opening
6. Clean the burner pipe with compressed air
5
RA-0000301
7. In the event of a defect, remove retaining clip, replace cover plate and
insulation
A
B
C
The Installation is done in reverse order.
RA-0001588
8. Reinstall the burner pipe
Important
Make sure the burner pipe is installed straight. The metal pins on
the opening of the front heat exchanger element must be located
in the recesses of the burner pipe. In addition the end of the
burner pipe must lie on the rear heat exchanger element.
D
8
E
9. Reinstall the mixing adapter and fan
Important
When installing the mixing adapter use a new seal.
RA-0000302
For more information, see
Cleaning the fan, page 143
10.3.4
Danger of electric shock
Danger to life due to electric current!
Before service work is started, the boiler has to be de-energised
and secured from accidentally being switched back on.
1. Remove front cladding and front side cladding
2. Lift the control box upwards and secure with a lock (see
fan section)
3. Disconnect ignition wire on the ignition transformer
Retaining clip
Cover plate
Insulation
Recesses in the burner pipe
Metal pins on the opening of the front heat exchanger element
Checking and replacing ignition and ionization electrode
10 Maintenance
Cleaning the
145
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