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manual abstract
Your heating/cooling unit has been designed and developed to provide safe, reliable, and economic operation when properly installed and maintained. Your year-round air conditioner is a major investment; therefore, you will expect it to perform at its best. By reading this manual, you can learn how to operate it, do recommended routine maintenance, and what to do if a problem should arise. Your new unit should perform at the efficiency level built into it if you will contribute a little of your time and attention. NOTE TO INSTALLER: This manual should be left with equipment owner= Special Instructions to Equipment Owner NOTE: Retain this manual for future reference. Your heating/cooling unit must have a supply of fresh outdoor air circulating around it during both heating and cooling operation. When the gas heating section is operating, the unit needs fresh air for proper gas combustion and proper ventilation. When the cooling section is operating, the unit needs fresh air for proper airflow through the outdoor (condenser) coil. J^RNING: Improper installation, adjustment, al-ration, service, maintenance, or use can cause carbon îéë poisoning, explosion, fire, electric shock, or Igitgther occurrences which may injure you or damage property. Consult a qualified installer, service 'ency, or the gas supplier for information or stance. To minimize the possibility of serious Igersbnal injury, fire, damage to your heating/cooling or improper unit operation, never violate the ¿Mogfflg safety rules:________________________ iwavs Keep the area around your unit free of bustible „materials, gasoline, and other flam-ple liquids and vapors. ievéfrMY&yTOr ^nit, lean anything against it, or debris near it, stand on it, or in any fie ñow of fresh outdoor air to your ЮСК unit. ST^ever" plant trees, shrubbery, or Bowers near ■your unit; and be sure to prevent weeds and/or other vegetation from growing up around your ~;ij recommended operational and service In the unit Installation Instructions.) Your Comfort System Your efficient new gas/electric unit not only represents the very latest in modern engineering development and design — it is a result of over 70 years of experience in gas-fired heating systems. For your convenience, you or your installer should, or should have, recorded (printed) the following information that is applicable to your system: Heating/Cooling Unit Identification MODEL NO. _ PRODUCT NO. SERIAL NO. _ DATE INSTALLED Dealer NAME _ ADDRESS CITY_ STATE . PHONE ZIP. Operating Your Heating/Cooling Unit The key to operating your comfort system is the conditioned s-pace thermostat. A wide variety of thermostats is used, but all have one main function — to automatically maintain the temperature in your building at a level required for your personal comfort, or for a particular application e.g. computer rooms. The thermostat maintains the indoor temperature by controlling the operation of the unit. During the heating season, whenever the temperature around your thermostat drops below the thermostat temperature setting, the thermostat automatically starts the heating section. During the cooling season, whenever the temperature around your thermostat rises above the thermostat temperature setting, the thermostat automatically starts the cooling section. Your conditioned space thermostat has a temperature control selector for selecting the desired indoor temperature. It also has a FAN switch with two selections available: AUTO or ON. When set to AUTO, the blower will operate only when the thermostat starts the unit. When set to ON, the blower will run continuously, regardless of whether the heating or cooling section is operating. The SYSTEM switch on your thermostat has the following selections: HEAT, OFF, and COOL. Some thermostats may also have a fourth selection — AUTO. The unit will remain off regardless of the conditioned space temperature when the SYSTEM switch is set to the OFF position. When set to the HEAT position, the heating section will operate as required. With the SYSTEM switch set to the COOL position, the cooling section will operate as required. The SYSTEM switch AUTO selection on some thermostats provides for automatic changeover between heating and cooling operation. With the switch set in AUTO position, the heating section will operate when the conditioned space temperature drops below the thermostat heating temperature setting, or the cooling section will operate when the conditioned space temperature rises above the thermostat cooling temperature setting. Gas Heating Section Startup and Shutdown The gas heating section of your combination heating/cooling unit is equipped with automatic intermittent ignition devices that do not have continuously burning pilot flames. The pilots are automatically lit by electric sparking devices each time your conditioned space thermostat “calls for heat.” See Figure 3. INING: 1. Never attempt to manually light the pilots on thi...