BG801UH Installation Manual

507330-01BPage 2 of 33 Issue 1809
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C
23-1/2
(597)
25 (635)
D
3-1/4
(83)
23
(584)
14
(356)
15-1/2
(394)
23-7/8
(606)
30
(762)
26
(660)
19-1/2 (495)
28-3/8 (721)
B
33
(838)
A
1
NOTE -C*20 size units installed in upow applications that
require air volumes of 1800 cfm (850 L/s or greater 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 lter.
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.
2
Flue outlet may be horizontal but furnace must be vented
vertically.
3
Optional external side return air lter kit cannot be used with
the optional RAB Return Air Base.
*
Consider sizing requirements for optional IAQ equipment before
cutting side return opening.
Unit Dimensions
BG801UHE
Capacity
A B C D
in. mm in. mm in. mm in. mm
070-12 14-1/2 368 13-3/8 340 13 330 4-3/4 121
090-16
090-20
17-1/2 446 16-3/8 416 16 406 6-1/4 159
110-20 21 533 19-7/8 504 19-1/2 495 8 203