508298-01
Page 43 of 55
Issue 2219
Table 17.
Manifold and Supply Line Pressure 0-10,000 ft.
Capacity
Gas
Manifold Pressure in. w.g.
Supply Line Pressure
in. w.g.
0-10,000 ft.
0-4500 ft.
4501-5500 ft. 5501-6500 ft. 6501-7500 ft. 7501-10000
ft.
All Sizes
Natural
3.5
3.3
3.2
3.1
3.5
4.5
13.0
LP / Propane
10.0
9.4
9.1
8.9
10.0
11.0
13.0
NOTE
: A natural to LP propane gas changeover kit is necessary to convert this unit. Refer to the changeover kit installation
instruction for the conversion procedure.
Capacity
0 - 7,500 ft
(0 - 2,286 m)
7,501 - 10,000 ft
(2,286 - 3048m)
Natural to LP/Propane
LP/Propane to Natural
High Altitude Natural
Burner Orifice Kit
High Altitude LP/
Propane Burner Orifice
Kit
All
11K50
†
73W80*
51W01
11K45
†
* Conversion requires installation of a gas valve regulator spring, which is provided with the gas conversion kit.
† LP kits include low line pressure switch.
Table 18.
Burner Orifice Conversion Kits at Varying Altitudes
Capacity
0 - 4500 ft
(0 - 1,373m)
4501 - 7500 ft
(1371 - 2286m)
7501 - 10000 ft
(2286 - 3048m)
045
No Change
11U65
11U66
070
No Change
11U70
11U68
090
No Change
11U71
11U68
110
No Change
11U70
11U68
Pressure switch is factory set. No adjustment necessary. All models use the factory-installed pressure switch from 0-4500 feet (0-
1370 m).
Table 19. Pressure Switch Requirements at Varying Altitudes
Summary of Contents for A96DF1E
Page 32: ...508298 01 Page 32 of 55 Issue 2219 Figure 50 Trap Drain Assembly Using 1 2 PVC or 3 4 PVC ...
Page 51: ...508298 01 Page 51 of 55 Issue 2219 Troubleshooting Heating Sequence of Operation ...
Page 52: ...508298 01 Page 52 of 55 Issue 2219 Troubleshooting Heating Sequence of Operation continued ...
Page 53: ...508298 01 Page 53 of 55 Issue 2219 Troubleshooting Cooling Sequence of Operation ...
Page 54: ...508298 01 Page 54 of 55 Issue 2219 Troubleshooting Continuous Fan Sequence of Operation ...