Burner Description; Packaging - Weight; Max. Dimensions; Standard Equipment - Roca TECNO 190-L Instrucciones De Instalación, Funcionamiento Y Mantenimiento

(A)
mm A B
RL 190 1270 775
(B)
mm A B C
RL 190 756 366 390
(C)
C kg
890 75
D E F G
555 696 370 222
D3328
D36
D1217
H I
430 1102
3
BURNER DESCRIPTION (A)
1 Ignition electrodes
2 Combustion head
3 Screw for combustion head adjustment
4 Screw for fixing fan to flange
5 Pump
6 Hydraulic cylinder for regulation of the air
gate valve in 1st and 2nd stage positions.
When the burner is not operating the air gate
valve is fully closed in order to reduce to a
minimum heat dispersion from the boiler due
to the flue draught which draws air from the
fan suction inlet.
7 Air inlet to fan
8 Air gate valves
9 Fan pressure test point
10 Boiler mounting flange
11 Flame stability disk
12 Slide bars for opening the burner and
inspecting the combustion head
13 Extensions for slide bars 12)
14 Electrical motor
15 Ignition transformer
16 Motor contactor and thermal cut-out with
reset button
17 1st stage valve
18 Terminal strip
19 Two switches:
- one "burner off - on"
- one for "1st - 2nd stage operation"
20 Fairleads for electrical
installer
21 Control box with lock-out pilot light and lock-
out reset button
22 Flame inspection window
23 Photocell for flame presence control
24 2nd stage valve
25 Safety solenoid valve
26 Socket for electrical connections
Two types of burner failure may occur:
Control Box Lock-out: if the control box 22)(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.
Motor trip: release by pressing the pushbutton
on thermal relay 16)(A).
PACKAGING - WEIGHT (B) - Approximate
measurements
• The burners 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 mea-
surements
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 and the
rear part withdrawn on the slide bars.
The maximum dimension of the burnerwhen
open, without casing, is give in measurement I.

STANDARD EQUIPMENT

2 - Flexible hoses (L = 1350 mm)
2 - Gaskets for flexible hoses
2 - Nipples for flexible hoses
1 - Thermal insulation screen
4 - Extensions 13)(A) for slide bars 12)(A)
4 - Screws to secure the burner flange to the
boiler: M 16 x 40
1 - Instruction booklet
1 - Spare parts list
connections by