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Anleitung Zusammenfassung
S Up to 15.5 SEER S Up to 8.0 HSPF S Up to 12 EER at 95°F (35°C) OD S Low Sound Levels S Variable--Speed Blower (Standard) S Factory--Installed TXV S Two--stage cooling and heat pump operation FEATURES/BENEFITS One--piece Heat Pump unit with optional electric heater, low installation cost, dependable performance and easy maintenance. Efficient operation High--efficiency design with SEERs (Seasonal Energy Efficiency Ratio) of up to 15.5. Puron® environmentally--sound refrigerant is Carrier’s unique refrigerant designed to help protect the environment. Puron is an HFC refrigerant which does not contain chlorine that can harm the ozone layer. Puron refrigerant is in service in millions of systems proving highly reliable, environmentally sound performance. Comfort Heat Pump System with IdealHumidityt featuring Infinityt control variable--speed blower motor and two--stage cooling and heating that provides greater comfort, humidity control, and energy efficiency. Variable--speed blower motors provide better comfort and energy efficiency. You can expect up to 30 times better dehumidification; economical constant airflow which provides improved indoor air quality and more even temperatures from room to room; and reduced indoor noise due to lower air velocity. In addition, you’ll realize improved installation flexibility with 3 different airflow choices for best overall comfort. Easy installation Factory--assembled package is a compact, fully self--contained heat pump unit that is pre--wired, pre--piped, and pre--charged for minimum installation expense. 50XT units are available in a variety of standard capacity ranges. Units install easily on a rooftop or at ground level. Durable, dependable components Compressors have two stages of cooling and heating and are designed for high efficiency. Each compressor is hermetically sealed against contamination to help promote longer life and dependable operation. Vibration isolation provides quiet operation. Compressors have internal high--pressure and overcurrent protection. Convertible duct configuration Unit is designed for easy use in either downflow or horizontal applications. Each unit is easily converted from horizontal to downflow with two duct covers (available as an accessory). Downflow operation is easily provided in the field to allow vertical ductwork connections. The basepan utilizes knockout style seals on the bottom openings to ensure a positive seal in the horizontal airflow mode. Direct--drive, variable--speed blower motor is standard on all 50XT models. Direct--drive, PSC condenser fan motors are designed to help reduce energy consumption and provide for cooling operation down to 55°F (12.7°C) outdoor temperature. Low--ambient cooling is available below 55°F (12.7°C) when low--ambient cooling is enabled in the User Interace (UI). Motormaster® II low--ambient kit is not required. Infinityt User Interface is designed to work as a system with Carrier’s single--packaged product. Refrigerant system is designed to provide dependability. Liquid refrigerant filter driers are used to promote clean, unrestricted operation. Each unit leaves the factory with a full Puron refrigerant charge. Refrigerant service connections make checking operating pressures easier. Indoor and outdoor coils are computer designed for optimum heat transfer and cooling efficiency. The indoor coil is fabricated from copper tube and aluminum fins and is located inside the unit 50X T 50XT for protection against damage. The outdoor coil is internally mountedonthetoptieroftheunit.Copperfincoilsandpre- --coated fincoilsareavailablefromthefactorybyspecialorder.Thesecoils arerecommendedinapplicationswherealuminumfinsarelikelyto be damaged due to corrosion. They are ideal for seacoast applications. Thermostatic expansion valve (TXV) —Ahard- --shutoff,balance port TXV maintains a constant superheat at the evaporator exit (coolingcycle)resultinginhigheroverallsystemefficiency. High- --and low- --pressure switches give added safety and reliabilitytothecompressor. Low sound ratings ensure a quiet indoor and outdoor environmentwithsoundratingsaslowas75dBA. Easy to service cabinets provideeasysingle- --panelaccessibilityto serviceable componentsduring maintenanceand installation.The basepan, with integrated drain pan, provides easy ground level installationwithorwithoutamountingpad.Convenienthandholds are provided to manipulate the unit on the job site. A nesting featureensuresapositivebasepantoroofcurbsealwhentheunitis roofmounted.Aconvenient3/4- --in.wideperimeterflangemakes framemountingonarooftopeasy. Louvered grille provides hail and vandalism protection for the coil. Cabinets areconstructedofheavy- --duty,phosphated,zinc--coated, pre--painted steel capable of withstanding 500 hrs of salt spray. Interiorsurfacesoftheevaporatorandelectricheatercompartments are insulated with cleanable, semi- --rigid insulation board, which keeps the conditioned air from being affected by the outdoor ambient temperature...