The service book IV / ALFA 3 03-9940.186
General provisions
Using
The air heater (hereinafter referred to as the heater) is used for heating the cabin of motor vehicle box
bodies, cabs of machines, caravans, stationary units, yachts, etc. in the regime of recirculated air or with
the ventilate air from the surrounding area..
PROHIBITED
The heater is not intended for continuous heating e.g. living space, garage or cottage. The heater is not
further intended for drying or blowing animals or objects with hot air.
The heater is not allowed to be installed in vehicles that are subject to regulations on transport of
dangerous goods ADR, TRS 003, TMD.
CAUTION!
When mounting the heater, it is necessary to follow the instructions for installation contained in this service
book. Buildings incl. the heater warranty is only possible to have done heater producer or authorized
service. Otherwise, the user loses all warranty claims. And even if the authorized service when installed or
repaired the heater grossly violated the rules set by the producer and the changes did not consult with the
producer ahead.
To ensure proper function the customer must be thoroughly familiar with service and heating function
(service worker gives the instructions for the operation of an independent heater to the user) and the heater
must be operated only as directed.
When solving installation, it is necessary to respect the provisions of the relevant standards relating to fire
protection during installation and using heating appliances.
After the lifetime the heater must be discarded appropriately.
OPERATIONAL SAFETY
In area of filing station or fuel deport the heater must be off to prevent the explosion. Also in areas
where combustion fumes or dust (fuel, coal, wood or corn dust, etc.) generate, the heart must be off
due to the danger of explosion
It must always be ensured that the program preselect ion cannot switch on the heater, especially in the
area where it is not allowed central heating (gas station, garage, underground parking, where is a
potentially dust or flammable vapors)
Always and in any circumstances, use only original parts supplied the producer (BRANO a.s.) and
approved by the appropriate standard.
Description of the device
The independent heater is a heating device that that heats the air using heat released by combustion of
diesel fuel and its heat output is infinitely adjustable. To this heater it should be ordered separately
components for proper function, i.e. the pump, harnesses, intake silencer, exhaust and parts needed for
installation of the heater in a vehicle. Electrical installation is made of 12V / 24V. The main parts of the
heater are: aluminum exchanger, combustion chamber, electrical motor with fans of heated and
combustion air, covers, flame sensor, overheating fuse, glow plug and control unit with a temperature
sensor of heated air. The heater is controlled by a timer or a manual control, which are not part of the
heater assembly and must be ordered separately too.
Description of function
After switching on, the heater passes through the test phase, which checks on the function of the important
electric circuits. For about 10 seconds the fan is made to turn. The start phase begins with ignition of glow
plug for 30s. Then the motor gradually starts rotation and simultaneously starts the fuel pump. In the
combustion chamber the glow plugs ignites mixture of a fuel with combustion air. Hot flue gases flow
exchanger and heat the flame sensor. The control unit after reaching the required temperature cuts off the
supply to the glow plug. Burning then runs automatically. When the first start is not successful, is followed
by second start automatically. When even this does not succeed, it is regarded as an error "failed start" and
heater is switched off after airing. This start phase is indicated by flashing symbol on the controller. At a
time when heater reaches the combustion temperature, the symbol stops flashing and remains lit
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