Page 23
TABLE 12
Manifold Pressure Settings at all Altitudes
Model
Input Size
Gas
0 - 2000 ft.
2001 -4500 ft . 4501 - 7500 ft.
7501 - 10,000
ft
Line Pressure in. wg.
Min
Max
045
Nat
3.5
3.2
3.0
3.5
4.5
13.0
LP/Propane
10.0
10.0
10.0
10.0
11.0
13.0
070
Nat
3.5
3.2
2.8
3.5
4.5
13.0
LP/Propane
10.0
10.0
10.0
10.0
11.0
13.0
090
Nat
3.5
3.2
2.7
3.5
4.5
13.0
LP/Propane
10.0
10.0
9.6
10.0
11.0
13.0
110
Nat
3.5
3.5
3.0
3.5
4.5
13.0
LP/Propane
10.0
10.0
9.6
10.0
11.0
13.0
135
Nat
3.5
3.5
2.9
3.5
4.5
13.0
LP/Propane
10.0
10.0
9.6
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
045
0-4500 ft
4501-7500 ft
7501-10,000 ft 7501-10,000 ft
0-7500 ft
7501-10,000 ft
0-7500 ft
070
No Change
80W52
80W51
73W37
11K49
11K44
73W81
110
80W52
80W51
090
80W52
80W51
110
80W57
80W52
135
80W52
80W51
NOTE - A natural to L.P. propane gas changeover kit is necessary to convert this unit. Refer to the changeover kit instal-
lation instruction for the conversion procedure.
