Burner Description; Packaging - Weight; Max. Dimensions; Standard Equipment - Riello Burners RS 190 Instrucciones De Instalación, Funcionamiento Y Mantenimiento

D3035
mm A B
RS 190 1250 725
D36
mm A B C
RS 190 681 366 315 555 856 372 222 430 1312 230 150 186 DN80
C kg
785 82
D E F G H I
(A)
(B)
D1261
L M N O
(C)
3
BURNER DESCRIPTION (A)
1 Combustion head
2 Ignition electrode
3 Screw for combustion head adjustment
4 Sleeve
5 Servomotor controlling the gas butterfly
valve and of air gate valve (by means of a
variable profile cam mechanism).
When the burner is stopped the air gate
valve will be completely closed to reduce
heat loss due to the flue draught, which
tends to draw air from the fan air inlet.
6 Plug-socket on ionisation probe cable
7 Extension for slide bars 16)
8 Motor contactor and thermal cut-out reset
button
9 Flame stability disk
10 Terminal strip
11 Fairleads for electrical connections by installer
12 Two switches:
- one ≈burner off-on∆
- one for ≈1st - 2nd stage operation∆
13 Control box with lock-out pilot light and lock-
out reset button
14 Flame inspection window
15 Minimum air pressure switch
(differential operating type)
16 Slide bars for opening the burner and
inspecting the combustion head
17 Gas pressure test point and head fixing screw
18 Air pressure test point
19 Flame sensor probe
20 Air gate valve
21 Air inlet to fan
22 Screws securing fan to sleeve
23 Gas input pipework
24 Gas butterfly valve
25 Boiler mounting flange
Two types of burner failure may occur:
• Control box lock-out: if the control box
13)(A) pushbutton (red led) lights up, it indi-
cates that the burner is in lock-out.
To reset, hold the pushbutton down for
between 1 and 3 seconds.
• Motor trip: release by pressing the pushbut-
ton on thermal cutout 8)(A).
PACKAGING - WEIGHT (B)
Approximate measurements
• The burner stands on a wooden base which
can be lifted by fork-lifts.
Outer dimensions of packaging are indicated
in (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
given in (C).
Bear in mind that inspection of the combustion
head requires the burner to be opened by with-
drawing the rear part on the slide bars.
The maximum dimension of the burner when
open is give by measurement I.

STANDARD EQUIPMENT

1 - Gas train flange
1 - Flange gasket
4 - Flange fixing screws M 10 x 35
1 - Thermal insulation screen
4 - Screws to secure the burner flange to the
boiler: M 12 x 35
1 - Instruction booklet
1 - Spare parts list