Lennox G50UH Series User Manual

Page 2
505254M 05/2009
G50UH(X) Unit Dimensions − inches (mm)
1
Bottom Return
Air Opening
GAS PIPING INLET
(Either Side)
1
Bottom Return
Air Opening
FLUE OUTLET
(Top)
ELECTRICAL INLET
(Either Side)
ELECTRICAL INLET
(Either Side)
SUPPLY AIR
OPENING
AIR FLOW
FRONT VIEW SIDE VIEW
TOP VIEW
A
B
9/16 (14)
C
D
3/4 (19)
3/4 (19)
28−1/2
(724)
19−7/16
(494)
23−1/2
(597)
4−1/4
(108)
14 (356) Right
13−1/4 (337) Left
4−7/8 (124) Right
2−1/4 (57) Left
40
(1016)
3−3/4 (95)
4
(102)
1−15/16 (49)
23
(584)
14
(356)
9/16
(14)
3−3/4
(95)
3−1/4 (83) Right
8−1/8 (206) Left
2
FLUE OUTLET
(Either Side)
TOP VIEW
1
OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
16
(406)
14−3/4
(375)
5/8 (16)
3
OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
23-3/4 (603)
25 (635)
2
Flue outlet may be horizontal but furnace must be
vented vertically
3
Optional External Side Return Air Filter Kit is not for use
with the optional RAB Return Air Base.
1
NOTE − 60C and 60D size units that require air volumes
over 1800 cfm (850 L/s) must have one of the following:
1. Single side return air with transition, to accommodate
20 x 25 x 1 in. (508 x 635 x 25 mm) air filter. Required to
maintain proper air velocity across the filter.
2. Single side return air with optional RAB Return Air
Base
3. Bottom return air.
4. Return air from both sides.
5. Bottom and
one side return air.
See Blower Performance Tables for additional informa-
tion.
1
OPTIONAL
RETURN CUTOUT
(Either Side)
Model No
A B C D
Model No.
in. mm in. mm in. mm in. mm
G50UH−24A−045,
G50UH−24A−070,
G50UH−36A−070
14−1/2 368 13−3/8 340 13 330 4−1/2 114
G50UH−36B−090,
G50UH−48B−090
17−1/2 446 16−3/8 416 16 406 6 152
G50UH−36C−110,
G50UH−48C−110,
G50UH−48C−135,
G50UH−60C−110
21 533 19−7/8 504 19−1/2 495 7−3/4 197
G50UH−60D−135,
G50UH−60D−155
24−1/2 622 23−3/8 546 23 584 9−1/2 241

Lennox G50UH Series Specifications

General

Brand	Lennox
Model	G50UH Series
Category	Furnace
Language	English