Burner Description; Packaging - Weight; Max. Dimensions; Standard Equipment - Riello RL 28/1 Installation, Use And Maintenance Manual

(A)
mm A B
RL 28 /1 1010 620
(B)
mm A B
RL 28 /1 476 474
(1) Blast tube: short-lang
C kg
495 35
C D (1) E F
468 216 - 351 140 352
D583
D3260
D3261
D88
D452
G H (1)
52 672 - 807
(C)
3
BURNER DESCRIPTION (A)
1 Ignition electrodes
2 Combustion head
3 Screw for combustion head adjustment
4 Photocell for flame presence control
5 Screw for fixing fan to flange
6 Indexed selector.
Opens the fan gate to the value necessary at
the burner delivery
7 Slide bars for opening the burner and inspect-
ing the combustion head
8 Valve assembly
9 Pump
10 Plate prearranged to drill 4 holes for the pas-
sage of hoses and electrical cables.
11 Air inlet to fan
12 Fan pressure test point
13 Boiler mounting flange
14 Flame stability disk
15 Flame inspection window
16 Extensions for slide bars 7)
17 Motor capacitor
18 Control box with lock-out pilot light and lock-
out reset button
19 Plugs for electrical connections
20 Air gate valve
21 Pump pressure adjustment
N.B.
If the control box 18)(A) pushbutton (red led)
lights up, it indicates that the burner is in lock-
out.
To reset, hold the pushbutton down for between
1 and 3 seconds.
PACKAGING-WEIGHT (B)
Approximate measurements
• The burner is shipped in cardboard boxe with
the maximum dimensions shown in table (B).
• The weight of the burner complete with pack-
aging is indicated in table (B).
MAX. DIMENSIONS (C)
Approximate measurements.
The maximum dimensions of the burner are giv-
en in (C).
Bear in mind that inspection of the combustion
head requires the burner to be opened and the
rear part withdrawn on the slide bars.
The maximum dimension of the burner, without
casing, when open is give by measurement H.

STANDARD EQUIPMENT

2 - Flexible hoses
2 - Gaskets for flexible hoses
2 - Nipples for flexible hoses
1 - Thermal insulation screen
2 - Extensions 16)(A) for slide bars 7)(A)
(for model with 351 mm blast tube)
4 - Screws to secure the burner flange to the
boiler: M 8 x 25
2 - Fairleads for electrical connections
1 - Instruction booklet
1 - Spare parts lis