Burner Description - Riello RLS 70 Installation, Use And Maintenance Instructions

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Burner description

1 Combustion head
2 Ignition electrodes
3 Screw for combustion head adjustment
4 Pipe coupling
5 Relay
6 Fan motor
7 Motor contact maker and thermal relay with reset button
8 LED PANEL
9 Terminal board
10 Cable grommets for electrical wiring (to be carried out by the
installer)
11 Two electric switches:
- one "burner off - on"
- one for "1st - 2nd stage operation"
12 Control box with lockout pilot light and reset button
13 Flame inspection window
14 Minimum air pressure switch (differential type)
15 Slide bars for opening the burner and inspecting the
combustion head
16 Safety valve
17 1st and 2nd stage valves
18 Gas pressure test point and head fixing screw
19 Air pressure test point
20 Servomotor.
When the burner is not operating the air damper is fully
closed in order to reduce heat dispersion from the boiler
due to the flue draught which draws air from the fan suction
inlet.
21 Pump motor
Technical description of the burner
13 GB
22 Air damper
23 Air inlet to fan
24 Pump
25 Gas input pipe
26 Boiler fixing flange
27 Flame stability disc
28 Screws to secure fan to pipe coupling
29 Cell UV
30 "OIL - OFF - GAS" selector
31 Lifting rings
32 Ignition transformer
33 Pump motor capacitor
Two types of burner lockout may occur:
CONTROL BOX LOCKOUT:
if the control box 12)(Fig. 4) push-button lights up, it indicates that
the burner is in lockout.
Press the push button to reset.
MOTOR LOCKOUT:
release by pressing the pushbutton on thermal relay 7)(Fig. 4).
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Fig. 4
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