035-18579-001-B-0103
8
Unitary Products Group
TABLE 3: NATURAL GAS APPLICATION DATA
A
VAILABLE
O
N
M
ODELS
I
NPUT
C
APACITY
(M
BH
)
1
O
UTPUT
C
APACITY
(M
BH
)
G
AS
R
ATE2
F
T
.
3
/H
R
.
N
UMBER
OF
B
URNERS
T
EMP
. R
ISE
ºF A F
ULL
I
NPUT3
M
IN
.
M
AX
.
3 TON
45
36
42
2
25
55
3 TON
70
56
65
3
25
55
4 TON
80
64
74
3
25
55
3 TON
90
72
84
4
30
60
4 TON
108
87
43
4
30
60
4 TON
135
108
126
5
35
65
1.
Heating capacity valid for elevations up to 2000 feet above sea level. For elevations above 2,000 feet, rated capacity should be
reduced by 4% for each 1,000 feet above sea level.
2.
Based on 1075 BTU/Ft.
3
.
3.
The air flow must be adequate to obtain a temperature rise within the range shown. Continuous return air temperature should not
be below 55°F.
TABLE 4: PROPANE
1
(LP) GAS APPLICATION DATA
A
VAILABLE
O
N
M
ODELS
I
NPUT
C
APACITY
(M
BH
)
2
O
UTPUT
C
APACITY
(M
BH
)
G
AS
R
ATE3
F
T
.
3
/H
R
.
N
UMBER
OF
B
URNERS
T
EMP
. R
ISE
ºF A F
ULL
I
NPUT4
M
IN
.
M
AX
.
3 TON
45
36
18
2
25
55
3 TON
70
56
28
3
25
55
4 TON
80
64
32
3
25
55
3 TON
90
72
36
4
30
60
4 TON
108
87
43
4
30
60
4 TON
135
108
54
5
35
65
1.
Propane applications are accomplished by field installation of a Propane Conversion Accessory, Model 1NP0805.
2.
Heating capacity valid for elevations up to 2,000 feet above sea level. For elevations above 2,000 feet, rated capacity should be
reduced by 4% for each 1,000 feet above sea level.
3.
Based on 2500 BTU/Ft.
3
.
4.
The air flow must be adequate to obtain a temperature rise within the range shown. Continuous return air temperatures should not
be below 55°F.