MOD.
A
COMIST 180 DSPNM 915 465 450 1225 450 775 485 1700 330÷540 260 245 DN65 460
COMIST 250 DSPNM 1035 555 480 1260 580 680 385 1750 320÷500 320 273 DN65 440 440 400÷540 M20 330
COMIST 300 DSPNM 1035 555 480 1260 580 680 385 1750 320÷500 320 273 DN65 440 440 400÷540 M20 330
CONSTRUCTION CHARACTERISTICS
• The burner consists of:
• Light aluminium alloy fan part.
• High performance centrifugal fan.
• Combustion air intake with air flow adjustment device.
• Sliding boiler coupling flange to adapt the head protrusion to the various
types of boilers.
• Adjustable blast-pipe with stainless steel nozzle and deflector disk in
steel.
• A three-phase electric motor to run fan and another to run the pump.
• Air pressure switch to ensure the presence of combustion air.
• Electric servomotor with mechanical cam for simultaneous regulation of
combustion air and fuel.
• In the CE version the gas train is complete with regulator, operating,
safety and pilot valves, valve tightness control, minimum pressure switch,
pressure regulator and gas filter; in the EXPORT version gas train is
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A1
A2
B
B1 B2 B3
0006080118_200811
1
2
3
4
5
6
7
8
9
10 Electric board
11 Pump
12 Regulation valve return pressure
13 Safety valve
14 Main valve
15 Combustion head air control knob
16 Combustion head
C
D
E
F
complete with regulator, operating, safety device and pilot valves, valve
tightness control and minimum pressure switch.
• Gear pump with pressure regulator.
• Atomisation unit with magnet to control the outlet/nozzle return pins.
• Electrical fuel preheater comprising antigas valve, filter, thermometer,
regulation thermostats and minimum safety device.
• Automatic control and command equipment for the burner, compliant with
European standard EN298.
• Flame detection by UV photo-electric cell.
• On-board terminal box and separate control panel comprising stop/
go switch, automatic/manual and minimum/maximum selector, fuel
change switch and operation, block, pre-heating resistors on and fuel
indicators.
• Terminal block for the electrical and thermostatic connections to the burner
and to control the second stage of working or for the connection of the
electronic output regolator.
• Electrical protection rating IP40.
5 / 30
Gas pressure switches
Pilot gas train main and safety valves
Air pressure switch
UV Photocell
Electromagnet
Insulating gasket
Burner mounting flange
Pre-heater
Pump motor
G
I
I1
L
M
-
400
M20 300
E
N
G
L
I
S
H
N