Page 21
TABLE 12
Manifold Pressure Settings at all Altitudes
Model
Input Size
Gas
0 - 4500 ft.
4501 - 7500 ft . 7501 - 10,000
ft.
Line Pressure in. wg.
Min
Max
045
Nat
3.5
3.5
3.5
4.5
13.0
LP/Propane
10.0
10.0
10.0
11.0
13.0
070
Nat
3.5
3.3
3.5
4.5
13.0
LP/Propane
10.0
10.0
10.0
11.0
13.0
090
Nat
3.5
3.3
3.5
4.5
13.0
LP/Propane
10.0
10.0
10.0
11.0
13.0
110
Nat
3.5
3.3
3.5
4.5
13.0
LP/Propane
10.0
10.0
10.0
11.0
13.0
TABLE 13
Pressure Switch and Gas Conversion Kits at all Altitudes
Model
Input Size
High Altitude Pressure Switch Kit
High Altitude
Natuarl Gas
Orifice Kit
LP/Propane Oricifice Kit
Natuarl Gas
Orifice Kit
0-4500 ft
4501-7500 ft 7501-10,000 ft 7501-10,000 ft
0-7500 ft 7501-10,000 ft
0-7500 ft
045
No Change
No Change
80W51
73W37
11K49
11K44
73W81
070
80W52
090
No Change
110
80W52
NOTE - A natural to L.P. propane gas changeover kit is necessary to convert this unit. Refer to the changeover kit in-
stallation instruction for the conversion procedure.