INSULATED PIPE
AIR SUPPLY
AIR INLET
EXTERIOR WALL
2.13 FILTERS
WARNING
THE FURNACE SHOULD NEVER BE OPERATED WITHOUT FILTERS. THIS
APPLIES
ESPECIALLY
TO
TEMPORARY
HEATING
DURING
CONSTRUCTION PERIOD. OPERATING THE FURNACE WITHOUT FILTERS
WOULD ALLOW DUST AND OTHER PARTICLES IN THE AIR TO
CIRCULATE FREELY AND TO PENETRATE INTO THE FAN AND MOTOR
CARTERS, CAUSING SOME DEFECTS.
Clean and replace filters as often as required.
Note : The operation cost is higher when using a dirty filter.
N.B.: THE OWNER OF THE FURNACE IS RESPONSIBLE FOR THE ROOM'S
AIR QUALITY IN CASE OF NEGATIVE PRESSURE OR TEMPORARY
NEGATIVE PRESSURE.
2.14 SETTING UP THE UNIT
For a safe and quiet operation, the furnace must be level in both directions and
supported evenly to ensure stability.
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