Technical data
Installation, user and maintenance manual – Series B15 Generators
9
• pre-mix burner in stainless steel.
• high head blower.
• cylindrical combustion chamber in stainless steel.
• heat exchangers in corrugated stainless steel with a very large exchange
surface.
• external panelling in steel with epoxy powder enamel finish.
• high capacity axial fan.
• CONTROL AND SAFETY COMPONENTS:
• controller board, with CPU: controls burner ignition, flame detection; blow-
er speed control, fan speed control.
Power voltage: 230 V - 50 Hz.•
Safety time: 5 seconds.•
Pre-plunge time: 5 seconds.•
Model: Bertelli & Partners DIMS05 with ignition transformer.•
• limit thermostat set to 100°C, automatic reset, to prevent heat exchanger
overheating.
• Gas solenoid valve: if a safety device trips (limit thermostat) the gas valve
is de-excited, thus cutting off gas supply to the burner.
Power voltage: 230 V - 50 Hz.•
Operating temperature: 0° C to +60° C.•
Model: SIT 830 Tandem / BM 762.•
Figure 2.1
Electrical panel.
LEGEND
A transformer 230/24 V AC
B ignition transformer
C terminal block with fuse
D limit thermostat
E controller
A
B
C
E
D