...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

Do not permit overhanging structures or shrubs to obstruct condenser air discharge outlet, combustion air inlet, or vent outlet. Minimum Clearances to Combustibles Front of Unit 24” Back of Unit 2” Left Side 12” Right Side 15” (from Vent Cover) Below Unit * 0” * Minimum clearance to combustible material below the flue is 10" to allow proper dissipation of flue gasses and temperatures. Table 1 In the U.S., units may be installed on combustible floors made from wood or class A, B, or C roof coveri

WARRANTY PROCEDURE When service or warranty parts are required: 1. Call a local licensed service dealer or contractor. 2. If the installing dealer is unable to provide warranty service, check online at 3. Be prepared to furnish the following information: a. complete model and serial number; b. proof of required periodic maintenance, installation date and location; and c. an accurate description of the problem. WARRANTY LIMITATIONS 1. This Limited Warranty is void if the covered equipment is remo

Turn on clothes dryers and any appliance not connected to the common venting system. Turn on exhaust fans, such as range hoods and bathroom exhausts, so they will operate at maximum speed. Do not operate a summer exhaust fan. Close fireplace dampers. 4. Following the lighting instructions, place the unit being inspected in operation. Adjust the thermostat so the appliance will operate continuously. 5. Test for spillage at the draft control relief opening after 5 minutes of main burner operation.

Superheat should be determined at Standard ARI test conditions of 82°F outdoor and 80°F indoor dry bulb/67°F wet bulb. If superheat measured deviates from values found in Table 4, refrigerant charge should be adjusted accordingly for maximum performance. Suction Superheat Size Suction Superheat @ARI Conditions 80° IDDB/67° IDWB82° OD R22 410A 24 22° 15° 30 20° 15° 36 20° 12° 42 20° 12° 48, 60 20° 10° Table 4 Page 8 of 13 Issue 0902 506252-01 Owner Record MAINTENANCE WARNING ELECTRICAL SHOCK, FIR

For assistance or additional information, consult a qualified installer, service agency, or the gas supplier. WARNING Do not store combustible materials, including gasoline and other flammable vapors and liquids, near the furnace, vent pipe, or warm air ducts. Such actions could cause property damage, personal injury, or death. WARNING Never use a flame to check for gas leaks. Explosion causing injury or death may occur. WARNING If this unit is to be installed in a mobile or manufactured home ap

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

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

For assistance or additional information, consult a qualified installer or service agency. WARNING Installation and servicing of air conditioning equipment can be hazardous due to internal refrigerant pressure and live electrical components. Only trained and qualified service personnel should install or service this equipment. Installation and service performed by unqualified persons can result in property damage, personal injury, or death. WARNING If this unit is to be installed in a mobile or

Use copper conductor only, min. 75°C wire. WARNING - Electric shock hazard. Unit mustbe grounded in accordance with national andlocal codes. Line voltage field installed. W1 & W2 can be used to stage electric heataccessory on 15 & 20kW models. 5, 7.5, & 10kW heater accessories functionoff W1 only. Note: Because the pressure switches are monitored only when "Y1" (Input) is active, thecode for pressure switch open will not be seen when "Y1" is off. Instead, the“Normal Operation" or “Anti-Short Cyc