Product Manual

Heat Commander Furnace Installation and Operation Manual
27
Apply the reload button operation reminder
sticker (G) on the front of the plenum. The
sticker is provided with the owner’s manual
kit.
5.4 Configuration and restrictions of hot air distribution system
5.4.1 Start-off plenum
- The plenum can be adjusted from 63 1/2" (1610 mm) to 88" (2240 mm) depending on
ceiling height. See Section 5.1: Hot air distribution plenum height according to
ceiling height.
- The plenum has a minimum height of 22 1/2" (571 mm) and a maximum height of 47’’
(1194mm) from the top of the furnace (X).
- The minimum clearance (C) between the top of the plenum and the ceiling is
5" (127 mm).
- The ducts minimum clearance (D) to combustible materials is 0" (0 mm).
- The minimum clearance (G) of the ducts to combustible materials is 1" (0 mm) along the
length (F) 12" (305mm).
- The ducts may pass through a combustible wall maintaining a clearance of 0" (0 mm)
around ducts.