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Natural to Regulated LP/Propane (Kit #11K48)
For A802, 80G2, A952, A962 & 95G2 Units
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in
manuals, be alert to the potential for personal injury or death.
WARNING
In the U.S., this conversion kit is to be installed
by a licensed professional service technician (or
equivalent) or other qualified agency in accordance
with the manufacturer's instructions and all codes and
requirements of the authority having jurisdiction. If the
information in these instructions is not followed exactly, a
fire, an explosion, or production of carbon monoxide may
result, causing property damage, personal injury or loss
of life. The qualified agency is responsible for the proper
installation of the kit. The installation is not proper and
complete until the operation of the converted furnace
is checked as specified in the furnace manufacturer's
instructions supplied with the kit.
Shipping and Packing List
Package 1 of 1 contains the following:
2 - LP/Propane regulator springs (77W89)
12 -Main burner orifices (0.034)
1 - Gas converter sticker
1 - Nameplate conversion sticker
1 - Low gas inlet pressure switch
1 - Gas valve inlet brass fitting
1 - Wire harness
Manufactured By
Allied Air Enterprises LLC
A Lennox International, Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
507371-02
INSTALLATION INSTRUCTIONS
Gas Changeover Kit
This manual must be left with the homeowner for future reference.
Save these instructions for future reference
Application
Use natural to LP gas conversion kit 11K48 to convert
A802, 80G2, A952, A962 and 95G2 gas furnaces from
natural gas to regulated LP/Propane.
Installation
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
1.
Set the thermostat to the lowest setting. Shut off the
gas supply to the furnace, then turn off the electrical
power at the unit disconnect switch.
MANIFOLD
PRESSURE
POST
INLET
PRESSURE POST
GAS VALVE SHOWN IN OFF POSITION
Figure 1. White Rogers Gas Valve
Issue 1706
CAUTION
HIGH FIRE
LOW FIRE
ADJUSTMENT
ADJUSTMENT
SCREW
SCREW
(under cap)
(under cap)
Page 1 of 5
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Summary of Contents for Lennox 11K48
- Page 1 Application WARNING Use natural to LP gas conversion kit 11K48 to convert A802, 80G2, A952, A962 and 95G2 gas furnaces from In the U.S., this conversion kit is to be installed natural gas to regulated LP/Propane.
- Page 2 Remove the access panel. Move the automatic gas valve switch to OFF. See Figure 1. Disconnect the gas supply from the gas valve. Disconnect the wiring harness at the gas valve. Remove the screw that secures the burner box front cover and remove front cover.
- Page 3 IMPORTANT Carefully check all piping connection for gas leaks. DO NOT use matches, candles, open flames or other means of ignition to check for gas leaks. Use a soap solution or other preferred means. NOx Insert Re-install CAUTION Screws Some soaps used for leak detection are corrosive to Figure 5.
- Page 4 See Table 1 for supply line pressure. Following the supply Start-Up & Adjustment pressure check, turn off unit, remove manometer and tighten post hex screw. BEFORE PLACING THE UNIT INTO OPERATION B - Measuring & Adjusting the Manifold Pressure Smell all around the appliance area for gas. Be sure to A952 &...
- Page 5 C - Gas Flow (Approximate) % for LP Unit Capacity NOTE: To obtain accurate reading, shut off all other gas Low Fire High Fire appliances connected to meter. -045 6.6 - 7.6 9.1 - 10.1 -070 6.5 - 7.5 8.6 - 9.6 Furnace should operate at least 5 minutes before checking gas flow.