Lennox G60UHV Series Installation Instructions Manual page 2

*NOTE - 60C and 60D units that require air volumes
over 1800 cfm (850 L/s) must have one of the following:
1. Return air from single side with transition which will
accommodate 20 x 25 x 1 in. (508 x 635 x 25 mm)
cleanable air filter. (Required to maintain proper air
velocity.)
2. Return air from single side with optional RAB Return
Air Base.
3. Return air from bottom.
4. Return air from both sides.
5. Return air from bottom and one side.
Refer to Engineering Handbook for additional information.
**Flue outlet may be horizontal but furnace must be
vented vertically
_Optional external side return air filter kit cannot be used
with the optional RAB Return Air Base.
3/4 (19) -I_
<1-9/16 (14)
_OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
14-3/4
(375)
(406)
5/8 (16)
|/
3/4 (19)
*Bottom Return
Air Opening
FRONT VIEW
40
(1016)
3"3/4 (95)-I_1 F
D
FLUE OUTLET
(Top)
_OPTIONAL _---'---'--_----__--_. I
EXTERNAL _ _ 23-3/4 t603_
SIDE RETURN - II - • , - uI
AIR FILTER KIT I_-._ 25 (635) =I
(Either Side) TOP VIEW
TOP VIEW
3-1/4 (83) Right --I 4
8-1/8 (206) Left |3-31, L
-_ (95)
= I _._
t
l \
14 (356) Right
13-1/4 (337) Left
4-7/8 (124) Right
2-1/4 (57) Left
28 -1/2
(724)
n._ 19-7/16._
(494)
23-1/2
(597)
4-1/4 *Bottom Return
(108) Air Opening
SIDE VIEW
A B C D
Model No.
in. mm in. mm in. mm in. mm
G6OUHV-36A-070 14-1/2 368 13-3/8 340 13 330 4-1/2 114
G6OUHV-36B-090 17-1/2 446 16-3/8 416 16 406 6 152
G6OUHV-6OC-O9O, 21 533 19-7/8 454 19-1/2 495 7-3/4 197
G6OUHV-60C-110
G6OUHV-6OD-135 24-1/2 622 23-3/8 546 23 584 9-1/2 241
9/16
'91-(14)
Page 2