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574D----AAND577C----A
LEGACYtANDPREFERREDt13AND14SEER
SINGLE--PACKAGEDAIRCONDITIONERANDGASFURNACESYSTEM
WITHPURON(R--410A)REFRIGERANTSINGLEANDTHREEPHASE
2--5NOMINALTONS(SIZES24--60)
Owner’sInformationManual
A09033
A09034
577C--AWithoutEconomizer
574D----AWithoutEconomizer
A10078
A10077 577C--AWith Economizer
574D----AWith Economizer
Fig.2 -- Unit577C--A
Fig.1 -- Unit574D--A
1
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NOTETOEQUIPMENTOWNER: For your convenience, please record the model and serial numbers of your new equipment in the spaces provided. This information, along with the installation data and dealer contact information, will be helpful should your system require maintenance or service. UNITINFORMATION INSTALLATIONINFORMATION Model # Date Installed Serial # DEALERSHIPCONTACTINFORMATION Company Name ACCESSORIES (Listtype and model #) Address Phone Number Technician Name NOTETOINSTALLER: This manual mu
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SAFETYCONSIDERATIONS ! Improper installation, adjustment, alteration, service maintenance, WARNING or use can cause explosion, fire, electrical shock, or other FIREANDEXPLOSIONHAZARD conditions which may cause death, personal injury, or property Whatto do ifyou smellgas: damage. Consult a qualified installer, service agency, or your 1.Donottrytolightanyappliance. distributor or branch for information or assistance. The qualified 2. Do not touch any electrical switch; do not use any phone install
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UNITINTRODUCTION WARNING These units are small packaged gas heat/electric cooling system ! that can utilize the comfort of gas heating packaged along with FIRE ANDEXPLOSIONHAZARD efficient electric air conditioning. This unit uses Puronr,the Failure to follow this warning could result in personal ozone friendly refrigerant forcooling. injury, death, and/orproperty damage. Startingor ShuttingOffUnit 1. If the main burners fail to light, or the blower fails to NOTE: Your combination heating/coolin
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Air Filters OPERATINGYOURUNIT The air filter(s) should be checked every 3 or 4 weeks and The operation of your unit is controlled by the indoor temperature changed or cleaned whenever it becomes dirty. Dirty filters control (thermostat). You simply adjust the thermostat and it produce excessive stress on the blower motor and can cause the maintains the indoor temperature at the level you select. Most motorto overheat and shut down. thermostats of heating and cooling systems have 3 controls: a Th
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Replacingorinspectingfiltersinunitswitheconom- ! izers CAUTION SmallChassis(SeeFig.5) UNITOPERATIONHAZARD 1. Removereturn airduct coverat rearofunitusing a5/16--in. Failure to follow this caution may result in property nut driver. damage. 2. Remove the filter(s) by pulling it out and through the unit Never operate your unit without filters in place. An duct opening. If filter is dirty, replace both filters with new accumulation of dust and lint on internal parts of your unit ones. can cause loss
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Condenser(Outdoor)Fan Combustion Areaand VentSystem Forproperand safeoperation, thefurnaceneedsairforcombustion and ventilation. The air openings, on the furnace, the air openings WARNING ! to theareain which thefurnaceisinstalled, andthespacingaround thefurnacemust not beblocked orobstructed. PERSONAL INJURY AND UNIT DAMAGE The combustion areaand vent system should be inspected visually HAZARD before each heating season. The normal accumulation of dirt, soot, rust, and scale can result in loss
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E N S E P O O L C MAIN ON 55 OFF STEP 1 STEP 2 STEP 3 STEP 5 STEP 4 STEP 6 STEP 7 MAIN ON 72 OFF STEP 8 STEP 9 STEP 10 A07662 Fig.7 -- To StartUnitGasHeat 8
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E E S S O O L L C C MAIN ON 55 OFF STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 A07663 Fig.8 -- To Shut--offUnitGasHeat MAIN ON 72 90 OFF STEP 2 STEP 4 & 5 STEP 1 STEP 3 A09194 Fig.9 -- To StartUnitElectricCooling 9
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E S O L C MAIN ON 90 OFF STEP 1 STEP 2 STEP 3 A07797 Fig.10 -- To Shut--offUnitElectricCooling BURNER FLAME WarrantyCertificate Your unit has a limited warranty. Be sure to read the warranty carefully to determinethecoverageforyourunit. BURNER Beforeyoucallforservice... ...check for several easily--solved problems. Ifinsufficientheating orcooling issuspected: ( ) Check for sufficient airflow. Check the air filter for dirt. Check for blocked return--air or supply--air grilles. Be sure they are op
