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Unit Dimensions - inches (mm)
1
NOTE - 60C and 60D size units that require air volumes over
1800 cfm must have one of the following:
1. Single side return air and Optional Return Air Base
with transition that must accommodate required
20 x 25 x 1 inch (508 x 635 x 25 mm) air filter to
maintain proper velocity.
2. Bottom return air.
3. Return air from both sides.
4. Bottom and one side return air.
See Blower Performance Tables for additional information.
2
Optional Side Return Air Filter Kit is not for use
with the Optional Return Air Base.
Flue Condensate Trap Assembly
Furnished for external
field installation
on either side of unit.
(See installation instructions
for additional
information.)
A
B
AIR FLOW
3/4
C
(19)
1
Bottom Return
Air Opening
FRONT VIEW
SLP99UH Model
in.
No..
070XV36B
17-1/2
090XV36C
090XV48C
21
090XV60C
110XV60C
135XV60D
24-1/2
7
(178)
9/16 (14)
2
OPTIONAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
33
(838)
14-3/4
(375)
16
(406)
5/8
(16)
3/4
(19)
A
mm
in
446
16-3/8
533
19-7/8
622
23-3/8
3-1/4
(83)
1-7/8 (48)
D
COMBUSTION
AIR INTAKE
2
OPTIONAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
1-1/2 (38)
Front Panel
6-9/16 (167)
Left
9 (229)
Right
12-5/8 (321)
(Either Side)
ELECTRICAL
INLET
(Either Side)
3-1/4
(83)
B
mm
in
416
16
505
19-1/2
594
23
Page 2
EXHAUST AIR
OUTLET
SUPPLY AIR
OPENING
23-3/4
(603)
25
(635)
TOP VIEW
27-3/4
(705)
19-7/16
(494)
2 (51)
(Either Side)
GAS PIPING INLET
(Either Side)
CONDENSATE
TRAP CONNECTION
(Either Side)
6-1/2 (165)
(Either Side)
23
(584)
14
1
Side Return
(356)
Air Opening
(Either Side)
1-15/16 (49)
23-1/2
(597)
1
Bottom Return
Air Opening
SIDE VIEW
C
mm
in
406
7-5/8
495
9-3/8
584
11-1/8
9/16
(14)
1-1/2
(38)
D
mm
194
238
283
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