507581-04Page 2 of 60 Issue 2128
1−1/2
(38)
9/16
(14)
6−9/16 (167)
Left
9 (229)
Right
23
(584)
(19)
3/4
(19)
1
Bottom Return
Air Opening
GAS PIPING INLET
(Either Side)
Side Return
Air Opening
(Either Side)
1
Bottom Return
Air Opening
EXHAUST AIR
OUTLET
ELECTRICAL
INLET
(Either Side)
SUPPLY AIR
OPENING
WEIV EDISWEIV TNORF
TOP VIEW
A
B
9/16 (14)
C
3/4
27−3/4
(705)
19−7/16
(494)
23−1/2
(597)
6−1/2 (165)
(Either Side)
33
(838)
3−3/8
(86)
1−15/16 (49)
14
(356)
12−5/8 (321)
(Either Side)
2
OPTIONAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
16
(406)
14−3/4
(375)
2
OPTIONAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
5/8
(16)
1
3−1/4
(83)
23−3/4
(603)
25
(635)
D
1(25)
Front Panel
COMBUSTION
AIR INTAKE
2 (51)
(Either Side)
2 (51)
CONDENSATE
TRAP CONNECTION
(Either Side)
1 NOTE - 20 C/D (5 Ton) size units installed in upow 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 Optional External Side Return Air Filter kit is not for use with
optional Return Air Base.
* Consider sizing requirements for optional IAQ equipment before
cutting side return opening.
Model
A B C D
in. mm in. mm in. mm in. mm
030-08
17-1/2 446 16-3/8 416 16 406 7-5/8 194045-12
070-12
090-16
21 533 19-7/8 505 19-1/2 495 9-3/8 238
110-20
Unit Dimensions