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1 150 VLPerformancet14 SEERS ingle---Packaged Air Conditioner System with PuronR(R---410A) Refrigerant Single--- And Three---Phase1---1/2 to 5 Nominal Tons (Sizes 018---060) Product DataC99001 Fig. 1 -- Unit 50 VLSingle--Packaged Products with Energy--Saving Features SEER / EERSF actory--Installed TXVSM ulti--Speed Blower--StandardSLow Sound LevelsFEATURES/BENEFITSOne--piece cooling unit with optional electric heater, low soundlevels, easy installation, low maintenance, and Environmentally Sound Refrigerantis Carrier s uniquerefrigerant designed to help protect the environment. Puron is anHFC refrigerant which does not contain chlorine that can harm theozone layer. The most important advantage of Puron refrigerant isthat it has not been banned in future air conditioning systems as thetraditional refrigerant R--22 has been. Puron refrigerant is in servicein over 100,000 systems proving highly reliable, environmentallysound InstallationFactory--assembled package is a compact, fully self--contained,electric cooling unit that is prewired, pre--piped, and pre--chargedfor minimum installation expense.

2 These units are available in avariety of standard cooling sizes with voltage options to meetresidential and light commercial requirements. Units arelightweight and install easily on a rooftop or at ground level. Thehigh tech composite base eliminates rust problems associated withground level duct configurationUnit is designed for easy use in either downflow or horizontalapplications. Each unit is easily converted from horizontal operation High--efficiency designoffers SEER(Seasonal Energy Efficiency Ratios) of (See page 4.)Durable, dependable componentsScroll Compressorsare designed for high efficiency. Eachcompressor is hermetically sealed against contamination to helppromote longer life and dependable operation. Each compressoralso has vibration isolation to provide quieter operation. Allcompressors have internal high pressure and multi--speed blower motoris standard on all PSC condenser--fan motorsare designed to helpreduce energy consumption and provide for cooing operationdown to 40_F( ) outdoor temperature.

3 MotormasterrII lowambient kit is available as a field--installed controlsTime GuardrII anti--short cycle protection circuitry. If anon--corporate thermostat without anti--short cycle protection isused the Time Guard II field--installed anti--short cycle kit Expansion Valve-- A hard shutoff, balance portTXV maintains a constant superheat at the evaporator exit (coolingcycle) resulting in higher overall system systemis designed to provide dependability. Liquidfilter driers are used to promote clean, unrestricted operation. Eachunit leaves the factory with a full refrigerant charge. Refrigerantservice connections make checking operating pressures and Low Pressure Switchesprovide added reliability for and Outdoor coilsare computer--designed for optimumheat transfer and efficiency. The indoor coil is fabricated fromcopper tube and aluminum fins and is located inside the unit forprotection against damage.

4 The outdoor coil is internally mountedon the top tier of the unit. Copper fin coils and pre--coated fin coilsare available from the factory by special order. These coils arerecommended in applications where aluminum fins are likely to bedamaged due to corrosion. They are ideal for seacoast sound ratingsensure a quiet indoor and outdoorenvironment with sound ratings as low as 72dBA. (See Page 4.)Easy to service cabinetsprovide easy single--panel accessibility toserviceable components during maintenance and installation. Thebasepan with integrated drain pan provides easy ground levelinstallation with or without a mounting pad. Convenient handholdsare provided to manipulate the unit on the jobsite. A nesting featureensures a positive basepan to roof curb seal when the unit is roofmounted. A convenient 3/4--in. ( mm) wide perimeter flangemakes frame mounting on a rooftop metal duct coverswith insulation come with the unitand cover the horizontal duct openings.

5 These can be left in place ifthe units are converted to constructed of heavyduty, phosphated, zinc--coatedprepainted steel capable of withstanding 500 hours in salt surfaces of the evaporator/heat exchanger compartment areinsulated with cleanable semi--rigid insulation board, which keepsthe conditioned air from being affected by the outdoor ambienttemperature and provides improved indoor air quality. (Conformsto American Society of Heating, Refrigeration and AirConditioning Engineers No. 62P.) The sloped drain pan minimizesstanding water in the drain. An external drain is operationis easily provided in the field to allowvertical ductwork connections. The basepan utilizesknockout styleseals on the bottom openings to ensure a positive seal in thehorizontal airflow OF NUMBER AND UNIT ROOF PIPING AND WIRING NUMBER NOMENCLATURE50VL--- ------ --- ---1 Type of Unit50VL --- Single PackagedAir ConditionerSystemNominal Cooling Capacity018 --- 1 --- 1/2 Tons024 --- Tons030 --- Tons036 --- Tons042 --- Tons048 --- Tons060 --- Tons018N/AElectrical Supply3 --- 208/230---1---605 --- 208/230---3---606 --- 460 --- 3 --- 6030 SeriesPackagingOptionsAD --- Louvered GrilleBT --- AL evap, vinyl condenserCC --- AL evap.

6 CU condenserCU --- CU evap & condenserGS --- Stainless Steel HXTP --- Base unit with tin plated indoor coil hairpinsTV --- TP with vinyl coating on outdoor coilTC --- TP with AL indoor coil & CU/CU outdoorcoilSee Price Page for full list of factory used if ordering an optionLEGENDAL --- AluminumCU --- Copper---N/AREGISTEREDISO 9001:2000 This Product has been designed and manufactured to meet Energy Star criteria for energy efficiency when matched with appropriate coil components. However, proper refrigerant charge and proper airflow are critical to achieverated capacity and efficiency. Installation of this Product should follow all manufacturing refrigerant charging and airflowinstructions. Failure to confirm proper charge and airflow may reduce energy efficiency and shorten equipment * CAPACITIESC ooling Capacities and EfficienciesUNIT 50 VLNOMINAL TONSSTANDARD CFMNET COOLINGCAPACITIES (Btuh)EER**SEER 0181--1/260018, , , , , , , B ---Sound Levels (decibels)db Dry BulbSEER Seasonal Energy Efficiency Ratiowb Wet BulbCOP---Coefficient of Performance* Air Conditioing & Refrigeration Institute.

7 **At A conditions---80_F ( ) indoor db/67_F ( ) indoor wb &95_F(35_C) outdoor db.{Rated in accordance with Government DOE Department of Energy)test procedures and/or ARI Standards 210 :1. Ratings are net values, reflecting the effects of circulating fan are based on:Cooling Standard:80 F ( ) db, 67 Fwb ( ) indoor entering --- airtemperature and 95 Fdb(35_C) outdoor entering---air Before purchasing this appliance, read important energy cost and effi-ciency information available from your Sound Power: Octave Band Data--DecibelsUNIT50 VLCapacity018024030036042048060 Sound Ratings* (dBA)72717376747978 Frequency (Hz) * Tested in accordance with ARI Standard 270---95 (not listed in ARI).50VL5 PHYSICAL DATAP hysical Data--Unit 50 VLUNIT SIZE018024030036042048060 NOMINAL CAPACITY (ton)1 --- 1/222 --- 1/233 --- 1/245 SHIPPING WEIGHT* (lb)SHIPPING WEIGHT* (kg) (R---410A)Quantity (lb.}

8 Quantity (kg) METERING DEVICETXVOUTDOOR Area (sq ft) FANN ominal CfmDiameter (in.)Diameter (mm)Motor Hp (Rpm) (825) (825) (825) (825) (825) (1100) (1100)INDOOR Area (sq ft) BLOWERN ominal Cooling Airflow (Cfm)Size (in.)Size (mm.)Motor HP (RPM)60010x10254x2541/3 (1050)80010x10254x2541/2 (1050)100010x10254x2541/2 (1050) (1000) (1075) (1075) (1040)HIGH---PRESSURE SWITCH(psig) Cut---out Reset (Auto)650 +/--- 15420 +/--- 25LO S S --- O F --- C H A R G E / LO W --- P R E S -SURE SWITCH (Liquid Line) (psig)cut---out Reset (auto)20 +/ --- 545 +/--- 10 RETURN---AIR FILTERS }Throwaway Size (in.)Throwaway Size (mm)20x20x1508x508x2520x24x1508x610x2524 x30x1610x762x2524x36x1610x914x25* For 460 volt units add 14 lb ( kg) to the shipping weight.{Required filter sizes shown are based on the larger of the ARI (Air Conditioning and Refrigeration Institute) rated cooling airflow or the heating airflow velocityof 300 ft/minute for throwaway type or 450 ft/minute for high---capacity type.

9 Air filter pressure drop for non---standard filters must not exceed IN. }If using accessory filter rack refer to the filter rack installation instructions for correct filter sizes and Heat Pressure Drop Tables (IN. )Small Cabinet: Cabinet: AND ACCESSORIESF actory--installed optionsLouver grilleprovides hail and vandalism protection. A wire grilleis standard on all models. See model number nomenclature forlouver grille optionsinclude copper/copper and vinyl--coated constructionfor refrigerant coils. Units are shipped standard with coppertube/aluminum fin construction. See model number nomenclaturefor coil accessoriesEconomizer with Solid--State Controls and BarometricRelief DampersManual Air Damper (25% open)Electric HeatersFilter RackFlat Roof Curbs (8--in. and 14--in.)Square--to--Round Duct Transition KitThermostatsCrankcase HeaterCompressor Hard Start Kit(for use on single-- phase units only)Rigging KitLow Ambient Kit (Motormaster II Control)Solid--State Time Guard II DeviceEconomizer with solid--state controls and barometric reliefdampersincludes filter racks and provide outdoor air duringcooling and reduce compressor outside air damperincludes hood and filter rack withadjustable damper blade for up to 25% outdoor roof curbsin both 8 in.

10 ( mm) and 14 in. ( mm)sizes are available for roof mounted duct transition kitenables 018--048 size unitsto be fitted to 14 in. ( mm) round hard start kitassists compressor start--up byproviding additional starting torque on single phase units andprolongs compressor motor Thermostatsprovide control for the system heatingand cooling functions. Thermostat models are available in bothprogrammable and non--programmable heaterprovides anti--floodback protection forlow--load cooling kitincludes lifting brackets which are inserted into theunit base rigging holds to lift unit for rooftop kit (Motormaster II control)allows the use ofmechanical cooling down to outdoor temperatures as low as 0_F(--17_C) when properly Time Guard II deviceprovides short--cyclingprotection for the compressor. Not required with corporateelectronic rackfeatures easy installation, serviceability, andhigh--filtering performance for vertical heatersprovide additional heat in the unit when package has a heater module that slides into the controlscompartment.