BIEMMEDUE SW 128 Manuel D'instruction page 19

Warning
Before moving the unit:
• Stop the heater as indicated in the "STOPPING" section;
• Close the gas stopcock and disconnect the gas hose;
• Wait until the heater cools.
Warning
During transportation and/or storage, make sure the gas
valve group and gas connection pipes are not knocked or
damaged in any way.
7. MAINTENANCE
For efficient operation of the heater, clean the combustion
chamber, and burner at regular intervals. Remove all debris.
Warning
Before doing any maintenance:
• Stop the heater as indicated in the "STOPPING" section;
• Close the gas stopcock;
• Wait until the heater cools.
Warning
Incorrect cleaning of the heater can cause damage to
property and/or people.
Warning
All of the operations described in this section must be
performed by professionally qualified personnel only.
Procedure
Check the heater
Check gas supply line
Clean exterior of heater
Clean interior of heater
L-L 206.01-OK
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.
6.3 CLEANING THE INTERIOR OF THE HEATER
For thorough cleaning, the heater can be cleaned and washed inside
and outside with water. It is however necessary to:
• do not use water jets at a pressure exceeding 70 bar at a distance
less than 30 cm
• completely dry all parts before reconnecting the electrical cable.
The heater must ALWAYS be cleaned before starting if it has not
been used for a long period (months or years).
Warning
After any technical work, always check that the heater
works correctly.
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