BIEMMEDUE BH 50 GAS Manual De Instrucciones página 34

5.2. STOP
To stop the heater turn and press switch (a) to "0" position or, if the
heater is in automatic mode, by setting the room thermostat to a
lower temperature: the burner shuts off and lamp (f) goes out. The
fan keeps running until the combustion chamber has cooled
completely.
Warning
Never stop the heater by simply turning off the
disconnecting switch on the panel.
The electrical supply must be disconnected ONLY when
the fan has come to a complete stop.
5.3. VENTILATION
To run the heater only in continuous ventilation mode, turn switch
(a) to the position with the symbol
6. MAINTENANCE
Warning
All of the operations described in this section must be
performed by professionally qualified personnel only.
The heater must be checked and cleaned frequently to ensure
efficient operation. Respect the maximum intervals specified in the
table below.
In particular, when the heater is used in very dusty and harsh
environments (for example, animal stalls), the inside of the burner
and heater must ALWAYS be cleaned at the end of every breeding
cycle.
Warning
Before doing any maintenance:
• Stop the heater as indicated in the "STOP" paragraph;
• Switch off the power supply by means of the cut-off on
the electrical panel;
• Wait until the heater cools.
Procedure
Check heater
Check gas supply line
Clean exterior of heater
Clean motor and fan
Check gas supply pressure
Check electrical connections
Check and test burner
Check thermostats
Clean interior of heater
Inspect and clean combustion
chamber
L-L 195.04-BM
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Periodic maintenance
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6.1. CHECKING THE HEATER AND THE GAS SUPPLY LINE
Perform the following checks:
• Make sure the heater is not installed where there may be a risk of
fire or explosion
• Make sure that flammable materials are kept a safe distance away
• If you smell:
• Open the windows immediately
• Do not touch electrical switches
• Close the gas stopcock
• Find and repair the source of the gas leak
• Do not use the heater if any removed panels have not been
remounted
• Make sure the room to be heated is sufficiently ventilated
• Make sure that the air intake and outlet are completely
unobstructed
• Make sure that the heater is not covered by any sheets or covers
• Check that the heater is in a fixed and stable position;
• Make sure the heater is constantly monitored during operation and
checked before being started;
6.2 CLEANING THE EXTERIOR OF THE HEATER
To ensure efficient operation, clean the following parts:
• Burner:
• Remove all external dirt and debris
• Make sure the air inlet is not obstructed.
• Pipes, connectors and joints:
• Clean with a cloth.
• External body:
• Clean with a cloth.
• Air inlet/outlet:
• Remove all dirt and debris
• Make sure the air inlet/outlet are not obstructed.
6.3 CLEANING THE MOTOR AND THE FAN
Clean the fan blades and the motor as follows:
• Remove the two side fixing screws (A) on the fan group, slide the
fan group (B) backward and rotate it downward.
• Remove the fastening screws on the fan safety grille (C).
• Clean the motor with compressed air.
• Clean the fan blades with a hard brush.
• Reinstall the safety grille and the fan group.
6.4 CHECKING THE ELECTRICAL CONNECTIONS
After detaching the power cable, check all electrical connections as
follows:
• Make sure that all connections are complete and tight.
• If there are traces of dirt or corrosion, clean or replace the
connections if necessary.
• Replace any damaged wires or connectors if necessary
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