Master BV 471S User And Maintenance Book page 14

pressure. An increase in burner power could
damage the heater.
►►►3. UNPACKING
WARNING: THE PACKAGING MATERIAL IS NOT A
TOY. KEEP THE PLASTIC BAG OUT OF REACH OF
CHILDREN; DANGER OF SUFFOCATION!
►3.1. Remove all packaging materials used to package
and ship the heater. Dispose of them in compliance
with current standards.
►3.2. If the heater is placed on the platform, lower it
gently using suitable devices and instruments, in
accordance with national regulations and current
standards. It can be lifted with the forklift truck, by
using suitable chains and suspension hooks (the
heater is equipped with eyebolts).
►3.3. Check for any damage incurred during transport.
If the heater appears damaged, immediately inform
the dealer from whom it was purchased.
►►►4. ASSEMBLY
(PIC. 2)
These heaters are equipped with handles, brackets,
supports, etc. depending on the model. These parts,
which come with the relative nuts and bolts, are in the
heater's packaging.
►►►5. FUEL
WARNING: THE HEATER ONLY WORKS WITH
DIESEL OR KEROSENE.
Only use diesel or kerosene to avoid any fire or
explosion hazard. Never use petrol, naphtha, solvents
for paints, alcohol or other highly inflammable fuels.
Use non-toxic, anti-freeze additives in case of very low
temperatures.
It is recommended to use winter diesel oil below 5°C.
►►►6. OPERATING PRINCIPLES
The burner pump draws the fuel from the tank and
sends it to the pressurised nozzle where it is nebulised
and mixed with comburent air in the combustion
chamber. A spark triggers combustion while the waste
fumes are expelled from the chimney. A series of
sensors constantly checks the correct operation of the
heater, stopping the cycle in the case of a fault. The fan,
located at the rear of the heater, cools the combustion
chamber and the flue gas pass, transferring the heat
from the latter into the environment.
►►►7. CONTROL PANEL
(PIC. 3)
A. Electronic regulator.
B. Hour meter.
C. Power switch.
D. Ventilation control button.
E. Electric voltage presence light.
F. Burner block alarm light.
G. Ventilation block alarm light.
H. Overtemperature alarm light.
I. Overtemperature thermostat reset.
L. Burner connector.
M. Fuse.
N. Room thermostat remote connector.
►►►8. OPERATION
WARNING: CAREFULLY READ THE
INFORMATION" BEFORE SWITCHING ON THE
HEATER.
►►8.1. IGNITING THE HEATER:
►8.1.1. Follow all the safety instructions.
►8.1.2. Connect the fuel pipes respecting the correct
inlet and outlet connections (PIC. 4).
►8.1.3. Check if there is any fuel in the tank.
►8.1.4. Connect the supply plug to the power mains
(PIC. 5) (SEE VOLTAGE IN THE "TECHNICAL
DATA TABLE").
►8.1.5. Set the "ON/OFF" switch to "FLAME" (C PIC.
3). The heater should turn on within a few seconds.
If the heater does not start, refer to paragraph
"TROUBLESHOOTING".
►8.1.6. The heater can be used in ventilation mode,
which is activated by setting the ON/OFF switch to
"FAN" (C PIC. 3).
►8.1.7. The heater has a ventilation control button (D
PIC. 3).
-BUTTON ON: The ventilation works continuously
(ideal for extreme conditions of use).
-BUTTON OFF: The ventilation works automatically
(normal operation).
►8.1.8. For models with a room thermostat, check the
set temperature (PIC. 6).
NOTE: IF THE HEATER SWITCHES OFF DUE TO
LACK OF FUEL, TOP UP THE TANK AND RESET
THE HEATER (SEE PAR. "RESET THE HEATER").
IMPORTANT: IN INDIRECT MODELS, COMBUSTION
PRODUCTS CAN BE DIRECTED OUTSIDE VIA
THE DUCTS. CARRY OUT THE DUCTING IN
ACCORDANCE WITH CURRENT REGULATIONS
AND FOLLOW THE
RELEVANT SECTION OF THE MANUAL.
►►8.2. TURNING OFF THE HEATER:
Turn the "ON/OFF" switch to "0" (C PIC. 3). The
flame turns off and the fan keeps on working until the
combustion chamber has fully cooled down. Do not pull
out the electrical plug until the cooling cycle has ended.
►►►9. RESET THE HEATER
In the event of an anomaly during the normal operation,
the heater switches off.
To restart the heater, identify and eliminate the cause
that caused the stop (for instance, obstruction of the
air intake and/or outlet, fan stop, lack of fuel, etc.). If
it is not possible to eliminate the problem that caused
the stoppage, contact a support centre for technical
assistance.
In order to reset the heater, we recommend following the
procedure below (follow all safety-related instructions):
►OVERTEMPERATURE
[Light on (H PIC. 3)]: The heater has reached the
"SAFETY
INSTRUCTIONS IN THE
THERMOSTAT RESET
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