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2.3 MOUNTING AND SERVICING CONSIDERATIONS

The two following pictures are showing the minimum clearance needed to open the door completely.

22.5” 15.75”
(572 mm) (400 mm)
VD0117
VD0116
22”
(559 mm)

NOTE: A minimum of 8” (203 mm) clearance from any obstruction on top of the unit is required for the ductwork radius turn.

8”
(203 mm)
VD0118A
8 ¾”
222 mm
9 ¾”
248 mm

• The joist opening needed to install the Tandem®tansition (included in

both installation kits) must be 9 ¾” (248 mm) minimum. Also, the maximum

height of the Tandem transition is 8 ¾” (222 mm). See Tandem transition

end view beside.

2.2 HEPA 3100, HF 3.1 ANDHEPA 4100 UNITS
FRONT VIEW TOP VIEW2.1 HRV 2600 AND HR 2.6 UNITSFRONT VIEW TOP VIEW
17.8''
(452 mm)
30.2''
(767 mm)
22.9'' (581 mm)
VK0049A