...your outdoor heating/cooling package unit is a valuable piece of equipment, designed and manufactured by the most modern methods. Proper care of your unit should result in many years of service and comfort. To keep your operating costs low and to eliminate unnecessary service calls, we have provided a few guidelines. These guidelines will help you understand how your heating/cooling unit operates and how to maintain it so you can get years of safe and dependable service. Read all the instruct

IMPORTANT Once the venting system is installed, attach the “Disconnected Vent” warning sticker to a visible area of the plenum near the vent pipe. See Figure 23. The warning sticker is provided in the bag assembly. Order kit 66W04 for additional stickers. WARNING Asphyxiation hazard. The exhaust vent for this furnace must be securely connected to the furnace flue transitiion at all times. Vent Connection Figure 23 Use self drilling sheet metal screws or a mechanical fastener to firmly secure the

When you see this symbol on labels or in manuals, be alert to the potential for personal injury or death. CAUTION WARNING As with any mechanical equipment, personal injury can result from contact with sharp sheet metal edges. Be careful when you handle this equipment. Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a licensed professional installer (or equivalent), serv

When you see this symbol on labels or in manuals, be alert to the potential for personal injury or death. CAUTION WARNING As with any mechanical equipment, personal injury can result from contact with sharp sheet metal edges. Be careful when you handle this equipment. Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a licensed professional installer (or equivalent), serv

After the main burner has operated for 5 minutes, test for leaks of flue gases at the draft hood relief opening. Use the flame of a match or candle. After determining that each appliance connected to the common venting system is venting properly, (step 3) return all doors, windows, exhaust fans, fireplace dampers, and any other gas burning appliances to their previous mode of operation. If a venting problem is found during any of the preceding tests, the common venting system must be modified to

EXHAUST VENT INTAKE AIR Side View FIGURE 30 DIRECT VENT CONCENTRIC ROOFTOP TERMINATION 71M80, 69M29 or 60L46 (US) 44W92 or 44W93 (Canada) Minimum Above Average Snow Accumulation SHEET METAL STRAP (Clamp and sheet metal strap must be field installed to support the weight of the termination kit.) FLASHING (Not Furnished) CLAMP FIELD.PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION 1 1/2" (38mm) accelerator provided on 71M80 & 44W92 12” (305mm) INTAKE AIR EXHAUST VENT

3. When there is a cooling demand, the indoor blower will run on the cooling speed. Generator Use - Voltage Requirements • The furnace requires 120 volts ± 10% (Range: 180 volts to 132 volts) • The furnace operates at 60 Hz ± 5% (Range: 57 Hz to 63 Hz) • The furnace integrated control requires both polarity and proper ground. Both polarity and proper grounding should be checked before attempting to operate the furnace on either permanent or temporary power. • Generator should have a wave form di

When inspection reveals that an existing chimney is not safe for the intended purpose, it shall be rebuilt to conform to nationally recognized standards, lined or relined with suitable materials, or replaced with a gas vent or chimney suitable for venting. The chimney passageway must be checked periodically to ensure that it is clear and free of obstructions. Do not install a manual damper, barometric draft regulator, or flue restrictor between the furnace and the chimney. Never connect a Catego

18. The common vent diameter must always be at least as large as the largest vent connector diameter. 19. In no case, shall the vent connector be sized more than two consecutive table size diameters over the size of the draft hood outlet or flue collar outlet. 20. Do not install a manual damper, barometric draft regulator or flue restrictor between the furnace and the chimney. 21. When connecting this appliance to an existing dedicated or common venting system, you must inspect the venting syste

Units installed at altitudes of 4501 - 10,000 feet (1373 to 3048 m) require a pressure switch change which can be ordered separately. Table 14 lists conversion kit and pressure switch requirements at varying altitudes. The combustion air pressure switch is factory-set and requires no adjustment. Page 36 of 48 Issue 1109 506725-01 Burner Orifice Conversion Kits at Varying Altitudes Unit Size 0 - 7,500 ft (0 - 2,286 m) 7,501 - 10,000 ft (2,286 - 3,038 m) Natural to LP/Propane LP/Propane to Natural