Lennox G23 Series Installation Instructions Manual
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Also See for G23 Series:
- User's information manual (7 pages) ,
- User's information manual (6 pages)
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Summary of Contents for Lennox G23 Series
- Page 1 INSTALLATION INSTRUCTIONS...
- Page 4 NOTE - G23(X) series units must not be used as a construction heater during any phase of construction. Very low return air temperatures, harmful vapors and misplacement of the filters will damage the unit and low er its efficiency. NOTE-Service access clearance must be maintained. **For installation on combustible floors, appliance shall not be installed directly on carpeting, tile, or other combustible material other than wood flooring.
- Page 7 NOTE - 1/3 and 1/2 hp blower motors are equipped with either four flexible mounting legs or three flexible legs and one rigid leg. The rigid leg is equipped with a shipping bolt and a flat white plastic washer (rather than the rubber mounting grommet used with a flexible mounting leg).
- Page 9 NOTE - For bottom return air, return air duct should be se cured to the unit using rivets or S locks. For side return air, secure return air duct to filter rack using screws. When us ing screws, take care to avoid interference with the filter which may cause improper filtration.
- Page 10 NOTE - If vent connector length exceeds 15 ft. (4.5 m), entire length of single-walled vent connector must be insulated. NOTE - CHIMNEY MUST BE PROPERLY SIZED PER THE PROVIDED VENTING TABLES OR LINED WITH LISTED METAL LINING SYSTEM.
- Page 11 For single appliance vents: vertical vent diameter minimum vent capacity For multiple appliance vents:...
- Page 12 NOTE: Single appliance venting configurations with zero lateral lengths are assumed to have no elbows in the vent system. For all other vent configurations, the vent system is assumed to have two 90_ elbows. For each additional 90_ elbow or equivalent (for example two 45_ elbows equal one 90_ elbow) beyond two, the maximum capacity listed in the venting table should be reduced by 10 percent (0.90 x maximum listed capacity).
- Page 13 NOTE: Single appliance venting configurations with zero lateral lengths are assumed to have no elbows in the vent system. For all other vent configurations, the vent system is assumed to have two 90_ elbows. For each additional 90_ elbow or equivalent (for example two 45_ elbows equal one 90_ elbow) beyond two, the maximum capacity listed in the venting table should be reduced by 10 percent (0.90 x maximum listed capacity).
- Page 16 unit connects to the gas supply. The tap must be accessi ble for test gauge connection. See figure 14. NOTE - If an emergency shutoff is required, shut off the main manual gas valve and disconnect the main power from the unit. Properly label these devices. NOTE - Install an 1/8 inch NPT plugged tap into the field piping.
- Page 17 The furnace must be isolated from the gas supply system by closing its individual manual shut off valve during any pressure testing of the gas supply system at pressures equal to or greater than 1/2 psig (3.48 kPa). NOTE-Capacity given in cubic feet of gas per hour (kilo liters of gas per hour) and based on 0.60 specific gravity gas.
- Page 22 Honeywell VR8205 Gas Valve - White Rodgers 36E Gas Valve - Honeywell VR8205 Gas Valve - White Rodgers 36E Gas Valve - Honeywell VR8205 Gas Valve - White Rodgers 36E Gas Valve - NOTE-When unit is initially started, steps 1 through 11 may need to be repeated to purge air from line.
- Page 23 A natural to LP/propane gas changeover kit is required to convert unit. Refer to the installation instructions supplied with the changeover kit for conversion procedure. NOTE - Do not secure electrical conduit directly to ducting or structure. NOTE Call Technical Support regarding installations above 7500 feet.
- Page 24 NOTE-Use papers or protective covering in front of fur nace while cleaning furnace.
- Page 25 Units Only Units Only...
- Page 28 4 SECONDS...