036-21489-001-C-1004
26
Unitary Products Group
NOTE: Units and ductwork are approved for zero clearance to
combustible materials when equipped with electric heat-
ers.
NOTE: All entry holes should be field sealed to prevent rain
water entry into building.
FIGURE 6 : UNIT DIMENSIONS - 20 TON
!"# $ % %&'
!"!" $ % $ % (( "!) $ %
"((*+ & &! !",
-
%. "(&&*+ !**"&
(!'" & .
! *&!"
/01/203
41/253
61/263
417253
717253
403
8
561/253 09
&!* 3:3
; 2 ; #
: 8
:- -
&!* 33
1
-
<!*!&+
(""
( & !'
-
:
/7=1/253 09
0/3
>3
417253
//1/203
017253
0/1/203
773
7>3
>1?263
7>1/253 09
All dimensions are in inches. They are
subject to change without notice. Certi-
fied dimensions will be provided upon
request.
TABLE 16: MINIMUM CLEARANCES
LOCATION
CLEARANCE
Front
36”
Back
24” (Less Economizer)
49” (With Economizer
Left Side (Filter Access)
24” (Less Economizer)
36” (With Economizer)
Right Side (Cond. Coil)
36”
Below Unit
1
1. Units (applicable in U.S.A. only) may be installed on
combustible floors made from wood or class A, B or C
roof covering material.
0”
Above Unit
2
2. Units must be installed outdoors. Overhanging struc-
tures or shrubs should not obstruct outdoor air dis-
charge outlet.
72” With 36” Maximum
Horizontal Overhang (For
Condenser Air Discharge)
TABLE 17: UTILITIES ENTRY DATA
HOLE
OPENING SIZE (DIA.)
USED FOR
A
1-1/8” KO
Control Wiring
Front
3/4” NPS (Fem.)
Bottom
B
3-5/8” KO
Power Wiring
Front
3” NPS (Fem.)
Bottom
