Burner Description; Packaging - Weight; Max. Dimensions; Standard Equipment - Riello RS 190 Installation, Use And Maintenance Instructions

D7860
mm A B
RS 190 1250 725
D36
mm A B C
RS 190 681 366 315 555 872 372 222 430 1328 246 150 186
C kg
785 82
D E F G H I
BURNER DESCRIPTION (A)
1 Combustion head
2 Ignition electrode
3 Screw for combustion head adjustment
4 Sleeve
5 Servomotor controlling the gas butterfly
6 Plug-socket on ionisation probe cable
7 Extension for slide bars 16)
8 Motor contactor and thermal cut-out reset
9 Flame stability disk
10 Terminal strip
11 Fairleads for electrical connections by installer
12 Two switches:
13 Control box with lock-out pilot light and lock-
14 Flame inspection window
15 Minimum air pressure switch
16 Slide bars for opening the burner and
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
26 Socket for electrical connections
(A)
Two types of burner failure may occur:
• Control box lock-out: if the control box
• Motor trip: release by pressing the pushbut-
PACKAGING - WEIGHT (B)
Approximate measurements
(B)
• The burner stands on a wooden base which
• The weight of the burner complete with pack-
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-
D731
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
L M N O
6 - Flange fixing screws M 10 x 30
1 - Thermal insulation screen
2"
4 - Screws to secure the burner flange to the
3 - Plugs for electrical connections
1 - Instruction booklet
(C)
1 - Spare parts list
3
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.
button
- one "burner off-on"
- one for "1st - 2nd stage operation"
out reset button
(differential operating type)
inspecting the combustion head
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.
ton on thermal cutout 8)(A).
can be lifted by fork-lifts.
Outer dimensions of packaging are indicated
in (B).
aging is indicated in Table (B).
boiler: M 12 x 35