Tundra II Furnace Installation and Operation Manual
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Appendix 2: Optional air filters (AC01390, AC01391)
The filter option (AC01390 – cardboard frame or AC01391 – washable aluminum) allows
filtrating dirt before distribution warm air in your installation in addition of protecting your
blower. This system can be installed on any side of the blower box located behind the
furnace on the most accessible side of your installation. This option includes the filter, the
filter holder, two caps and the screws necessary for the installation.
Clean and replace filters as often as required.
Note: The operation cost is higher when using a dirty filter.
1 filter holder
2 caps
1 filter (15" x 20" x 1")
WARNING: IT IS NOT RECOMMENDED TO OPERATE THE FURNACE 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 BLOWER AND MOTOR CARTERS, CAUSING SOME
DEFECTS.
Summary of Contents for DF02001
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