10/2007 - Art. Nr. 13 017 700B4
General information
Burner description
Packaging
Overview
Burner description
Monobloc gas burners NC12, NC16 and
NC21 GX are one or two-stage blast-air
units with low gas pollution discharge
(low NOx).
They use all the gases listed in the
included table on the condition that
suitable settings are made according to
the pressure levels available and taking
account of the variations in the heating
capacities of these gases (see technical
data).
They are suited to generators meeting
EN 303.1 Standard requirements.
Two adaptable combustion head
lengths are available (T1-T2).
The control unit is designed for
intermittent service (limiting it to twenty-
four hours of continued use).
Packaging
The burner with its cover is supplied in a
package weighing about 25kg which
contains:
- the assembly accessories kit :
- the connecting flange,
- boiler front gasket,
- bag of nuts and bolts.
- the document folder containing:
- the operating instructions,
- the wiring and hydraulic diagram,
- the certificate of guarantee,
- an adhesive plate.
- the gas manifold with a filter built-in
with the valve.
Air flap control
103B Manual (1 stage)
Y10 Servomotor (2 stages)
B1 Measuring bridge
A1 Control and safety unit
F6 Air pressure switch
M1 Fan motor
T1 Firing transformer
2 Burner retaining flange
5 Casing (volute casing downwards)
6 Plate securing device
8 Blast tube
9 Cable clamp: electric cables towards gas
valve
Elec. connection to the boiler
10 7 poles (1 and 2 stage(s)
10.1 4 poles (2-stage controller thermostat)
16 Gas valve connecting flange
18 Cover
19 Button (fault light indicator)
reset or shutdown of the control unit
20 Hood retaining screw (Tx25)
113 Air box
119 Air pressure tap pL
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