Carrier Performance 50VG Owner's Information Manual

Contents

maintenance and service

2SAFETY CONSIDERATIONSImproper installation adjustment, alteration, service, maintenance,or use can cause explosion, fire, electrical shock, or otherconditions which may cause death, personal injury, or propertydamage. Consult a qualified installer, service agency, or yourdistributor or branch for information or assistance. The qualifiedinstaller or agency must use factory--authorized kits or accessorieswhen modifying this product Refer to the individual instructionspackaged with the kits or accessories when installing.Follow all safety codes. Wear safety glasses, protective clothing,and work gloves. Use quenching cloth for brazing operations.Have a fire extinguisher available. Read these instructionsthoroughly and follow all warnings or cautions included inliterature and attached to the unit. Consult local building codes, thecurrent editions of the National Electrical Code (NEC) NFPA 70.In Canada refer to the current editions of the Canadian electricalCode CSA C22.1.Recognize safety information. This is the safety--alert symbol .When you see this symbol on the unit and in instructions ormanuals, be alert to the potential for personal injury. Understandthese signal words; DANGER, WARNING, and CAUTION. Thesewords are used with the safety--alert symbol. DANGER identifiesthe most serious hazards which will result in severe personal injuryor death. WARNING signifies hazards which could result inpersonal injury or death. CAUTION is used to identify unsafepractices which may result in minor personal injury or product andproperty damage. NOTE is used to highlight suggestions whichwill result in enhanced installation, reliability, or operation.NOTE: Installer: This manual should be left with the equipmentuser.FIRE, EXPLOSION, ELECTRICAL SHOCKHAZARDFailure to follow this warning could result in personalinjury, death, and/or property damage.Installation and servicing of this equipment can behazardous due to mechanical and electrical components.Only trained and qualified personnel should install, repair,or service this equipment.! WARNINGFIRE, EXPLOSION HAZARDFailure to follow this warning could result in personalinjury, death, and/or property damage.Do not store or use combustible materials, gasoline, or otherflammable vapors and liquids in the vicinity of this or anyother appliance.WARNING!ELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury and/or death.Before performing recommended maintenance, be sure themain power switch to unit is turned off and lock--out tag isinstalled.! WARNINGCUT HAZARDFailure to follow this caution may result in personal injury.When removing access panels or performing maintenancefunctions inside your unit, be aware of sharp sheet metalparts and screws. Although special care is taken to reducesharp edges to a minimum, be extremely careful and wearappropriate protective clothing, safety glasses and gloveswhen handling parts or reaching into the unit.! CAUTIONFIRE, EXPLOSION, ELECTRICAL SHOCKHAZARDFailure to follow this warning could result in personalinjury, death or property damage.Do not use this unit if any part has been under water.Immediately call a qualified service technician to inspect theunit and to replace any part of the control system which hasbeen under water.! WARNINGStarting or Shutting Unit OffTo start the unit:1. Turn on the electrical power supply to unit.2. Select temperature and set MODE control to desired mode.To shut unit off:NOTE: If the unit is being shut down because of a malfunction,call your dealer as soon as possible.1. Set system MODE control to OFF.2. Turn off the electrical power supply to unit.OPERATING YOUR UNITThe operation of your unit is controlled by indoor thermostat. Yousimply adjust the thermostat and it maintains the indoortemperature at the level you select. Most thermostats of coolingsystems have 3 controls: a temperature control selector, a FANcontrol, and a SYSTEM or MODE control. Refer to yourthermostat owner’s manual for more information.To better protect your investment and to eliminate unnecessaryservice calls, familiarize yourself with the following facts:Cooling ModeWith the SYSTEM or MODE control set to COOL, your unit willrun in cooling mode until the indoor temperature is lowered to thelevel you have selected. On extremely hot days, your unit will runfor longer periods at a time and have shorter “off” periods than onmoderate days.Heating Mode (if installed with optional electricheat)Your system may also be equipped with an electric heating source.On cold days and nights, place your MODE control to HEAT andyour system will automatically turn on the supplemental heat inorder to maintain the level of comfort you have selected.MAINTENANCE AND SERVICEThis section discusses maintenance that should be performed onyour system. Most maintenance should be performed by yourdealer. You, as the owner, may wish to handle some minormaintenance for your new unit.

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