830841-BIM-D-0512
Johnson Controls Unitary Products
15
Table 10: Natural Gas Application Data-Two Stage
Available On Models
Input
(MBH)
1
High Fire/Low Fire
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.
Output
(MBH)
High Fire/Low Fire
Gas Rate
2
Ft.
3
/Hr.
High Fire/Low Fire
2. Based on 1075 BTU/Ft.
3
.
Number of
Burners
Temp. Rise ºF
At Full Input
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.
Min.
Max.
2 Ton
70 / 45.5
56 / 36.4
65 / 42
3
30
60
3 Ton
70 / 45.5
56 / 36.4
65 / 42
3
25
55
3 Ton
90 / 58.5
72 / 46.8
84 / 54
4
30
60
4, 5 Ton
108 / 70.2
87 / 56.2
100 / 65
4
35
65
4, 5 Ton
135 / 87.75
108 / 70.2
126 / 82
5
45
75
Table 11: Propane
1
(LP) Gas Application Data-Two Stage
1. Propane applications are accomplished by field installation of a Propane Conversion Accessory, Model 1NP0809 for 2 and 3 Ton units
with 33-1/2" tall cabinets and Model 1NP0810 for 4 and 5 Ton units with 41-1/2" tall cabinets.
Available On Models
Input Capacity
(Mbh)
2
High Fire/Low Fire
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.
Output Capacity
(Mbh)
High Fire/Low Fire
Gas Rate
3
Ft.
3
/Hr.
High Fire/Low Fire
3. Based on 2500 BTU/Ft.
3
.
Number of Burners
Temp. Rise ºF
At Full Input
4
4. 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.
Min.
Max.
2 Ton
70 / 45.5
56 / 36.4
28 / 18.2
3
30
60
3 Ton
70 / 45.5
56 / 36.4
28 / 18.2
3
25
55
3 Ton
90 / 58.5
72 / 46.8
36 / 23.4
4
30
60
4, 5 Ton
108 / 70.2
87 / 56.2
43 / 27.95
4
35
65
4, 5 Ton
135 / 87.75
108 / 70.2
54 / 35.1
5
45
75
