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Fabricar: Lennox International Inc. Tamaño del archivo: 1.27 mb Nombre del archivo: Idioma del manual:

The plug-in electrical connec. tors between the cooling chassis and the main control compartment should be checked to make sure the plugs are firmly seated and none of the wires are loose. Part No. 30790F089 Date 6-1-89 Supersedes 30790G082 Page 10 of 12 INSTALLATION A. Unit Check-Out Procedure -IMPORTANT 1. Filter(s) must be clean and in place as to filter all air passing over indoor coil, 2. Set thermostat to "OFF" position. 3. Check that correct size fuses are installed for unit. 4. All panels must be in place. 5. Turn on main power to unit. B. Heating Check 1. Set fan switch to "AUTO". 2. Set thermostat lever to lowest temperatuf'e. 3. Set thermostat switch to "HEAT" position (if indoor ambient temperature is near or colder than thermostat setting, heat pump will start immediately). 4. Slowly adjust thermostat to warmer temperature until first stage heat is activated (compressor will start). 5. If'possible, check outdoor fan to make sure it's rotating (this is especially important If heat pump has been installed for sometime and not running in the winter such that the outdoor fan plenum could be clogged with snow or ice build-up). 6. Check indoor air outlet to verify indoor fan is blowing air and getting warmer. 7. Adjust thermostat lever to at least 5"F warmer temperature So that second stage heat will activate. 8. Check indoor air outlet for increased heating (higher temperature). C. Cooling Check 1. Set thermostat switch, to "OFF" position for minimum of 5 minutes to allow heat pump pressures to equalize. 2. Set thermostat lever to lowest temperature for cooling 3. Set thermostat switch to "COOl." position (compressor should start unless indoor ambient is near or colder than thermostat setting). D. Blower Operation 1. Set thermostat switch to "OFF" position. 2. Set fan switch to "ON". Indoor fan only will operate. 3. Return fan switch to "AUTO". Indoor fan will stop. Part No. 30790F089 Date. 6-1-89 Supersedes 30790G082 Page 11 of 12 OPERATION INSTRUCTIONS The following instructions are to be followed to obtain years of trouble free operation of your year-around comfort system. To start unit turn on main power (may have two disconnect switches). If the outdoor temperature is below indoor temperature, the main power should be turned on 24 hours before starting unit in order to assure no liquid refrigerant is in the compressor crankcase, and to prevent valve damage of compressor. Operation of this unit is automatic and will provide heating or cooling depending on the setting of the thermostat. Heating Operation 1. Set thermostat system switch to "HEAT;', 2. Set thermostat lever to desired temperature. 3. Set fan switch to "ON" for continuous indoor blower operation or to "AUTO" for indoor blower to cycle corresponding with thermostat cycling. Cooling Operation 1. Set thermostat system switch to "COOU'. 2. Set thermostat lever to desired temperature. 3. Set fan switch to "ON" for continuous indoor blower operation or to "AUTO" for indoor blower to cycle corresponding with thermostat cycling, System Shutdown 1. For temporary or short periods of shut.down, set thermostat system to 'OFF" and fan switch to "AUTO". 2. For a prolonged period of shut-down, set thermostat system switch to "OFF" and fan switch to "AUTO". Tum off electdc power supply. (Two disconnect switches may supply unit.) Part No. 30790F089 Date, 6-1o89 Supersedes 30790G082 Page 11 of 12 OPERATION INSTRUCTIONS The following instructions are to be followed to obtain years of trouble free operation of your year-around comfort system. To start unit turn on main power (may have two disconnect switches). If the outdoor temperature is below indoor temperature, the main power should be turned on 24 hours before starting unit in order to assure no liquid refrigerant is in the compressor crankcase, and to prevent valve damage of compressor. Operation of this unit is automatic and will provide heating or cooling depending on the setting of the thermostat. Heating Operation 1. Set thermostat system switch to "HEAT". 2. Set thermostat lever to desired temperature. 3. Set fan switch to "ON" for continuous indoor blower operation or to "AUTO" for indoor blower to cycle corresponding with thermostat cycling. Cooling Operation 1. Set thermostat system switch to "(_OOU'. 2. Set thermostat lever to desired temperature. 3. Set fan switch to "ON" for continuous indoor blower operation or to "AUTO" for indoor blower to cycle corresponding with thermostat cycling. System Shutdown 1. For temporary or short periods of shut-down, set thermostat system to 'OFF" and fan switch to "AUTO". 2. For a prolonged period of shut-down, set thermostat system switch to "OFF" and fan switch to "AUTO". Turn off electric power supply. (Two disconnect switches may supply unit.) ...

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