Cranborne THI 5-25c, Инструкция по установке, наладке и обслуживанию

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VIII - MAINTENANCE
The annual inspection of the boiler and of the com-
bustion product outlet is
recommended . It must be car-
ried out by a qualified person.
Spare parts must be ordered by using the referen-
ces listed in chapter XII - NOMENCLATURE, and
specifying the type and serial number of each part.
Before any servicing, cut the power
supply. Close the gas inlet of the boiler
and the water
valve s if required.
If the boiler is removed, provide a p lug
at the end of the gas piping.
1 - SERVICING THE FAN AND THE BURNER
Check the state of the ventilator and the burner and
clean them if necessary (following their cleaning ins-
tructions).
Disassembling the fan:
- Unscrew the four screws (1) fixing the fan (7) to
the burner’s air sleeve (6),
- Clean it using a domestic vacuum cleaner by pla-
cing the suction device over the air inlet and outlet
successively.
Disassembling the burner:
- Unscrew the four screws fixing (5) the burner (4)
to the boiler shell (8),
- Disassemble the elbow joint (9),
- Clean the burner (4) using a domestic vacuum
cleaner by placing the suction device over the air
inlet and the gas inlet successively,
- Check the ignition electrodes (3) and the ionisa-
tion electrodes (2).
During reassembly:
- Check the airtightness of the gas at the burner el-
bow joint/gas inlet tube level,
- check airtightness at the burner and boiler shell
levels,
- following the assembly of the fan:
• check the correct positioning of the fan/burner
gasket (10),
• check the airtightness of the gasket and repla-
ce it if necessary.
!
10
»
20
2.25
2
3 4
7
T
H
I-
85-
0
10
1
6
5
5 8
9
Fig. 63