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48D0139
48D0139
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PRE-INSTALLATION INFORMATION
INSTALLING ABOVE 2000 FEET
• In the USA, the appliance must be derated 4% for every 1,000 ft above 2,000 ft elevations.
• In Canada, these appliances are certified for altitudes of 0 – 2000 ft, and must be de-rated by 10 percent for installations
between 2000 and 4,500 ft. (derate an additional 4% for every 1,000 ft. above 4,500 ft. elevations).
The ASHTON AI42 is equipped with a variable output gas control.
ORIFICE SIZES, PRESSURES AND BTUs
NATURAL GAS
PROPANE GAS
Manifold Press: (W.C.)
3.5"
Manifold Press: (W.C.)
10"
Maximum Supply Pressure
10.5"
Maximum Supply Pressure
13"
Minimum Supply Pressure
4.5"
Minimum Supply Pressure
11"
NOTE: Ashton AI42 model insert works without any electrical supply.
Optional blower must have electricity.
INSTALLATION PLANNING
Plan for the installation of your insert. This includes determining the size of fireplace in which unit is to be installed, length of
venting to be used, and finishing details, and whether any optional accessories (i.e. wall switch, or remote control) are desired.
Consult your local building code agency to ensure compliance with local codes, including permits and inspections.
Model Number
AI42
NATURAL
PROPANE
Max. Btu/hr Input
42,000
40,000
Min. Btu/hr Input
29,000
28,000
Orifice sizes (as shipped)
Front: #44
Front: #55
Rear: #43
Rear: #55
Summary of Contents for ASHTON AI42DV
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