Bio Energy series
40.020.953 - rev.
05 - 2015
19
English
2.2
Working principle
The stationary vegetable oil or biodiesel fired
heater is equipped with three electric motors.
The first electric motor drives a fuel pump,
which extracts fuel from the fuel tank.
The second electric motor drives the com-
bustion air ventilator, which blows the com-
bustion air into the combustion chamber.
The third electic motor drives the hot air fan,
which blows the surrounding air around the
combustion chamber and heat exchanger.
The hot air is blown into the space to be
heated.
Vegetable oil or biodiesel is poured manually
onto a burner dish, which is ignited with a
burning paper pellet. As soon as the burner
dish is at the right temperature, the pump
thermostat activates the fuel pump; the
control light flashes on. The fuel pump pumps
the vegetable oil or biodiesel onto the burner
dish. The vegetable oil or biodiesel evapo-
rates due to the temperature of the burner
dish. The gas vapour burns. A thermostat
switches on the hot air fan motor to blow hot
air into the space to be heated.
The pump thermostat switches off the fuel
pump when a failure causes the heater to
overheat.
The fuel pump is switched off when the
heater is switched off.
The hot air ventilator runs until the combus-
tion air thermostat switches the ventilator off:
this allows the heater to cool down.
The maximum thermostat switches the hea-
ter off when the temperature gets too high.
The fuel supply has an overflow that ensures
that the vegetable oil or biodiesel flows back
into the fuel tank when the fuel pipe is
blocked.
The overflow protection switches the fuel
pump off when the burner dish overflows.
2.3
Main components of the stationary
vegetable oil or biodiesel fired
heater (fig. 3)
A Cover
B Combustion chamber
C Heat exchanger
D Maximum thermostat
E Thermostats
F
T-piece with draught regulator
G Hot air fan
H Combustion air fan
I
Fill filter
J
Operating panel
K Fuel tank
L
Drain cock
M Fuel filter
N Fuel pump
O Identification plate
P Return line
Q Drawer
R Fuel pipe
S Fuel supply pipe
2.4
Main components of the
burner(fig. 4)
A Combustion chamber cover
B Combustion chamber
C Flame trap
D Burner ring
E Seal cord
F
Burner dish
G Vaporiser
H Bottom of combustion chamber
I
Overflow protection
J
Shovel
2.6
Thermostat
The heater has the following thermostats:
•
Pump thermostat
When the burner dish is sufficiently pre-
heated, the fuel pump starts up.
2.5
A Indicator light, yellow
B Indicator light, yellow
C Indicator light, red
D Bolt fuel tank
E Rocker switch:
-
0: The pump is switched off
- 1: Low pump speed
- 2: High pump speed
Summary of Contents for Bio Energy 2
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