Lennox ML180DF045P24A Unit Information

Page 16
TABLE 9
Manifold Pressure Settings at all Altitudes
Model
Input Size
Gas 0-4500 ft 4501-7500 ft 7501 - 10,000 ft
Supply 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 10
Pressure Switch and Gas Conversion Kits at all Altitudes
Model
Input Size
High Altitude Pressure Switch Kit
High Altitude
Natural Gas Burner
Orifice Kit
Natural Gas to LP/Propane
Gas Change Over Kit
LP/Propane to
Natural Gas
Change Over 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 70W89 76W15 73W81
070 80W52
090 No Change
090(X)
80W52
110
NOTE - A natural to L.P. propane gas changeover kit is necessary to convert this unit. Refer to the changeover kit installation instruction for the conversion
procedure.

Lennox ML180DF045P24A Specifications

General

Brand	Lennox
Model	ML180DF045P24A
Category	Furnace
Language	English