VENMA Comfort S20, Operation And Maintenance Manual

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2.
Fire protection measures
For safety reasons, the burner features the following fire protection
measures:

The burner temperature sensor installed on the feeding duct; in the event
of a flashback, it detects high temperature and sends a signal to the
controller to activate the internal feeder, which empties the feeding duct
from any fuel remaining there,

Air ducts in the feeding duct, combined with pressure in the pressure
chamber, prevent the flashback by generating pressure and air flow in the
direction opposite to the burner feed,

Special design of the feeding pipe and the entire fuel supply system,
whose high tightness does not allow the hot air to reverse

Spiro-non-flammable pipe, which melts and cuts off fuel supply in an
exceptional case of previous protection measures being insufficient,
3.
Burner design
The VENMA burner is made from steel elements and electrical parts. The
furnace and burner grate are made of heat-resistant stainless steel. Steel is
tested up to temperatures above 1000
O C. The feeder pipe is made of black
steel and galvanised to prevent corrosion during use. The burner design
prevents overheating of electrical components, which effectively extends the
life and reliability of the entire device.
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