York AFFINITY DNZ060 - Natural Gas Application Data-Single Stage; Natural Gas Application Data-Two Stage; Flue Vent Outlet Air Hood

508258-YIM-E-0412
Johnson Controls Unitary Products 17
attached to the inside of the gas control/electrical
compartment, see Figure 12.
Figure 12: Flue Vent Outlet Air Hood
Flue hood surfaces may be hot.
VENT OUTLET SCREEN
FLUE VENT OUTLET
AIR HOOD
The flue exhaust hood must be properly installed and
within the recommended clearances. Further
communications and action must be given to the
home or building owner(s) to eliminate any
unauthorized human contact around this area during
the heating cycle. Flue hood surface and the
immediate area reach high temperatures during the
heating cycle.
Table 11: Natural Gas Application Data-Single Stage
Available On Models
Input
(MBH)
1
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)
Gas Rate
2
Ft.
3
/Hr.
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, 2-1/2, 3 Ton 45 36 42 2 25 55
2, 2-1/2 Ton 70 56 65 3 30 60
3 Ton 70 56 65 3 25 55
3-1/2, 4, 5 Ton 80 64 74 3 25 55
3 Ton 90 72 84 4 30 60
3-1/2 Ton 108 87 100 4 45 75
4, 5 Ton 108 87 100 4 35 65
4, 5 Ton 135 108 126 5 45 75
Table 12: 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.
2. Based on 1075 BTU/Ft.
3
.
Number of
Burners
High Fire / Low Fire
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, 2-1/2 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