Unitary Products Group
21
036-21311-003-A-0104
25
22
47
14
CENTER OF GRAVITY
FRONT
OF
UNIT
49
1
8
A
B
C
D
BHA
UNIT
SIZE
SHIPPING
WEIGHT
OPERATING
WEIGHT
CORNER WEIGHTS
A
B
C
D
018
350
345
103
92
73
82
024
350
345
95
92
80
83
030
360
355
98
94
82
85
036
367
362
100
96
84
87
042
394
389
107
103
90
93
048
445
440
121
117
102
105
060
490
485
133
129
112
116
CLEARANCES
3'
MINIMUM CLEARANCE OF 1"
ALL SIDES FOR THE FIRST 3'
OF DUCT FOR 20 & 25 kW.
ZERO INCHES THEREAFTER,
FOR ALL OTHER HEATERS,
ZERO INCH CLEARANCE ALL
SIDES FOR ENTIRE LENGTH
OF DUCT.
FLEXIBLE DUCT
COLLAR
NOTE: FOR UNITS APPLIED WITH A ROOF CURB, THE
MINIMUM CLEARANCE MAY BE REDUCED FROM 1
INCH TO 1/2 INCH BETWEEN COMBUSTIBLE ROOF
CURB MATERIAL AND THE SUPPLY DUCT.
CENTER OF GRAVITY
UNIT CLEARANCES
(Minimum)
Front
12"
Back
0"
Left Side (Filter Access) 24"
Right Side
24"
Below Unit
1
0"
Above Unit
2
36" (For Condenser
Air Discharge)
1
Units may be installed on combustible floors made from wood or class A,
B or C roof covering material.
2
Units must be installed outdoors. Overhanging structures or shrubs
should not obstruct outdoor air discharge outlet.