Serie COMIST

Technical and functional features

• Dual fuel natural gas/light oil burners..
• Single stage operation (on/off).
• Compatible with any type of combustion chamber.
• Air-gas mixing at blast-pipe and high pressure mechanical atomisation of fuel using nozzle.
• Ability to obtain optimal combustion values by regulating combustion air and blast-pipe.
• Maintenance facilitated by the fact that the mixing unit and the atomisation unit can be removed without having to remove the burner from the boiler.

COMIST 20

• Manual air flow adjustment.
• Possibility to chose gas train with valve tightness control.
• Comes with 2 flexible oil pipes, 1 nozzle, 1 oil filter, 1 flange and 1 insulating seal to connect the burner to the application.

COMIST 36 - 72

• Air flow regulation for first and second stage by means of electric servomotor with pause closure of gate to prevent any heat dispersion to flue.
• Ability to link the gas burner train to valves seal control device.
• Comes with 2 flexible oil pipes, 2 nozzles, 1 oil filter, 1 flange and 1 insulating seal to connect the burner to the application.

COMIST 122 - 180 - 250 - 300

• Air flow regulation for first and second stage by means of electric servomotor with pause closure of gate to prevent any heat dispersion to flue.
• Tightness gas valve control, EN676.
• Comes with 2 flexible oil pipes, 3 nozzles (2 for COMIST 122), 1 oil filter, 1 flange and 1 insulating seal to connect the burner to the application.
• Preparation for automatic fuel switching (on request for COMIST122).

Design features

• Light aluminium alloy fan part.
• High performance centrifugal fan.
• Combustion air inlet with device to adjust the air flow.
• Flange connecting sliding generator to adapt the protuberance of the head to various types of heat generators (fixed for COMIST36).
• Adjustable blast-pipe with stainless steel nozzle and deflector disk in steel.
• Sequence controller - EN 298..
• Ultra Violet cel flame scanner.
• Electrical plant protection rating IP40.

COMIST 20

• One monophase electric motor to run the fan and one to run the pump.
• Air pressure switch to ensure the presence of combustion air.
• Gas train complete with operation and safety valve, minimum pressure switch, pressure regulator and gas filter.
• Gear pump with pressure regulator and fuel stop-cock valve.
• Control panel comprising stop/go switch, fuel change switch, and operation, block and fuel used indicators.
• Terminal block for the electrical and thermostatic supply for the burner.

COMIST 36 - 72

• One three-phase electric motor for driving fan, one electric motor (single-phase for COMIST36, three-phase for COMIST72) for driving pump.
• Gas train complete with operation and safety valve, minimum pressure switch, pressure regulator and gas filter.
• Gear pump with pressure regulator, fuel stop-cock valve and safety valve.
• Control panel comprising stop/go switch, 1st/2nd stage selector, fuel change switch, and operation, block and fuel used indicator.
• Terminal block for the electrical and thermostatic connections to the burner and to control the second stage of working.

COMIST 122 - 180 - 250 - 300

• A three-phase electric motor to run fan and another to run the pump.
• Gas train complete with operation and safety valve, valves seal control, minimum pressure switch, pressure regulator and gas filter.
• Gear pump with pressure regulator, fuel stop-cock valve and safety valve.
• Spray nozzle unit with closing pin on nozzle (COMIST 180 only).
• Control panel comprising stop/go switch, 1st/2nd stage selector, fuel change switch, and operation, block and fuel used indicator.
• Terminal block for the electrical and thermostatic connections to the burner and to control the second stage of working.