Product Manual

HeatPack Furnace Installation and Operation Manual
18
7 Hot air distribution and air return system
The Drolet furnace is designed and equipped with a hot air distribution plenum who can
receive 6 to 10, 6" (152 mm) diameter round ducts.
WARNING
THE INSTALLER IS RESPONSIBLE OF THE PERFORMANCE OF THE HOT AIR
DISTRIBUTION DUCTS AND THE AIR RETURN SYSTEM. IT WILL HAVE A DIRECT
EFFECT ON THE ABILITY OF THE BLOWER TO DISTRIBUTE HEAT EFFICIENTLY
THROUGHOUT THE HOUSE. THE NUMBER, SIZE AND LENGTH OF THE HOT AIR
DISTRIBUTION DUCTS AND AIR RETURN DUCT WILL VARY DEPENDING ON THE
CONFIGURATION AND CHARACTERISTICS OF EACH HOUSE.
WARNING
THE FURNACE AIR JACKET IS NOT TOTALLY AIR TIGHT. IT IS NORMAL TO
DETECT SOME AIR LEAKS AT THE JACKET’S JOINTS.
7.1 Hot air distribution plenum height according to ceiling height
ATTENTION
REMEMBER TO TAKE INTO ACCOUNT THE 5" (127 MM) CLEARANCE TO
COMBUSTIBLES MATERIALS ABOVE THE PLENUM.
7.1.1 Plenum’s minimum height (Plenum B only)
For a minimum ceiling height of 72" (183 cm)