Fire Extinguishing Systems; Fire Extinguishing System For The In-Feed Auger; Fire Extinguishing System For The Conveyor Auger; Fire Extinguishing System For The Down Pipe - Viessmann Vitoflex RF 150 Installation And Service Instructions Manual

Mechanical

Fire Extinguishing Systems

The fire extinguishing system functions independent from
the electrical power and is flooding the material which is
still remaining in the in-feed auger in case of a back-burn.
The activation temperature is approx. 200°F (95°C).

Fire extinguishing system for the in-feed auger

Note: The fire extinguishing system for the in-feed auger
is part of the boiler.
- Line from the extinguishing water container to the b in.
valve (as short as possible).
- Valve thermostatic, Danfoss AVTA 15 122-194°F
(50- 90°C) position 3 equals approximately
176°F (80°C).
- The lines must be executed as hard piping in metal (b in.).
- It must not be possible to shut off the cold water inlet
without the aid of tools.
- Be especially sure to comply with the instruction in
the Fire Protection section.
Legend
A Combustion
B Metering Container
C Fuel supply
D Extinguishing water container 6.6 USG (25 L)
E N1 Floater switch
CW Cold water supply b in. min. 30 psi (2.0 bar),
max. 45 psi (3.0 bar)
36
Vitoflex 300-RF Installation & Operating

Fire extinguishing system for the conveyor auger

Note: The fire extinguishing system for the conveyor
auger is optional.

Fire extinguishing system for the down pipe

Note: The fire extinguishing system for the down pipe
is optional.
Note: A slide valve is required as standard for an
unpressurized material store or a rotary valve
for a material storage with overpressure or
under pressure (charging with blower, e.g. wood
processing operations).
- The lines must be executed as hard piping in metal (b in.).
- It must not be possible to shut off the cold water inlet
without the aid of tools.
- Be especially sure to comply with the instruction in
the Fire Protection section.