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2915847
8
GB
Technical description of the burner
3.7
Burner description
1
Combustion head
2
Ignition electrode
3
Screw for combustion head adjustment
4
Sleeve
5
Low air pressure switch
(differential operating type)
6
Flame sensor probe (flame rod)
7
Air pressure test point
8
Gas pressure test point and head fixing screw
9
Screws securing fan housing to sleeve
10 Slide bars for opening the burner and inspecting the combus-
tion head
11 Servomotor controlling the gas butterfly valve and air damper
(by means of a variable profile cam mechanism).
When the burner is not operating the air damper is fully closed
in order to reduce heat loss.
12 Plate with four hole knock-outs for electrical cable routing
13 Air inlet to fan
14 Gas input connection
15 Gas butterfly valve
16 Boiler mounting flange
17 Flame stability disk
18 Flame inspection window
19 Ignition pilot
20 Motor contactor
21 Plug-socket on flame rod probe cable
22 Flame safeguard
23 Power switch for different operations:
automatic - manual - off
Switch for:
manual modulation of servomotor
24 Burner terminal strip
25 Air damper
26 Bracket for mounting the PID modulating controller RWF
(optional)
27 Pilot burner attachment
NOTE:
If the flame relay 22) push-button lights up, it indicates that the
burner is in lock-out. To reset, press the push-button.
Fig. 3
D2784
D2785
D2258
Содержание C9541000
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