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Mechanical Specifications <br /> General Condenser Coil— Heat Exchanger—stainless steel <br /> All units shall be factory assembled, The Spine Fin TM condenser coil shall be tubes. Free floating design. <br /> piped, internally wired and fully charged continuously wrapped, corrosion resistant Burners— stainless steel.Multi- <br /> with refrigerant.All units shall be de- all aluminum with minimum brazed joints. port inshot. <br /> signed to operate at outdoor ambient This coil is 3/8 inch OD seamless alumi- Accessories <br /> temperatures as high as 115°F. Cooling num tubing glued to a continuous alumi- (U.S.Domestic Models) <br /> capacities shall be rated in accordance num fin.Coils are lab tested to withstand Roof Curb—The roof curb shall <br /> with A.H.R.I.standards.The unit design 2,000 pounds of pressure per square be designed to mate with the unit <br /> is certified to ANSI 221.47/CSA 2.3 inch.The outdoor coil provides low airflow and provide support and complete <br /> specifically for outdoor applications resistance and efficient heat transfer. weather-tight installation when <br /> using natural gas or propane.All units The coil is protected on all four sides by properly installed.Curb shall ship <br /> shall be designed for outdoor rooftop or louvered panels. knocked down for field assembly, <br /> ground level installation.Unit casing is Indoor Air Fan—Direct-drive,forward- and include wood nailer strips. <br /> constructed of heavy gauge, galvanized curved, centrifugal wheel in a Composite <br /> steel and painted with a weather-resistant Vortice Blower housing.Motor shall Modulating Economizer—This <br /> powder paint. have thermal overload protection.Perma- accessory shall be field installed <br /> Shipped for horizontal application, nently lubricated motor bearings.Motor/ and be composed of the following <br /> convertible to downf low. blower assembly isolated from unit with items:0-100%fresh air damper, <br /> Casings rubber mounts. damper drive motor fixed dry bulb <br /> All panels shall be heavy gauge steel, Condenser Fan—Direct-drive, draw enthalpy control, and low voltage <br /> gasketed and insulated. Foil-faced through propeller type.Weather-proofed polarized plug for electrical con- <br /> insulation shall be in the heat exchanger permanent split capacitor fan motor shall nections.Solid state enthalpy or <br /> section. Foil-faced insulation shall be in have built-in thermal overload and perma- differential enthalpy control is op- <br /> the evaporator section.Base pan shall be nently lubricated motor bearings. tional.Economizer operations shall <br /> heavy gauge steel.WEATHERGUARDT"' Low Ambient—Standard refrigerant be controlled by the preset position <br /> of the enthalpy control.A barometic <br /> exterior corrosion resistant screws shall <br /> system operation down to 55°F.Low am- relief damper shall be standard <br /> be used for added resistance to rust and bient accessory required for operation to <br /> corrosion. with the economizer and provide <br /> 0o F ambient condition. a pressure operated damper that <br /> Controls shall be gravity closing and prohibit <br /> Refrigeration cycle controls shall include Gas-Fired Heating System—Models entrance of outside air on equip- <br /> condenser fan, evaporator fan and com- shall provide completely assembled, ment"off'cycle. <br /> pressor contactors.Compressors shall wired and piped gas fired heating systems Manual Fresh Air Hood <br /> be equipped with a combination internal within unit.Design certified by UL, specifi- Manual outside air provides a <br /> winding thermostat/current overload. cally for outdoor application.Threaded <br /> Internal high pressure relief shall also be fixed outside air quantity from 0 <br /> g p gas connection on the unit. to 25 percent. Includes hood and <br /> provided. Electronic Ignition System—Main birdscreen. <br /> Refrigeration System burner is lit each time thermostat calls for <br /> Compressors— gas heat. Flame sensor proves flame and Low Ambient Control <br /> Control allows cycling of compres <br /> The Climatuff®compressor features in- keeps the main burners on.Should a loss <br /> ternal over temperature and pressure pro- cor under low ambient cooling <br /> p p p of flame occur,the main valve closes and conditions.Required for cooling <br /> tector,total dipped hermetic motor.Other the spark recurs within 0.8 second.When operation to 0°F. <br /> features include:centrifugal oil pump, and thermostat is satisfied, main burner is <br /> low vibration and noise. extinguished. Propane Gas <br /> Evaporator Coil—Internally enhanced Conversion Kit—For conversion <br /> 3/8-inch OD seamless copper tubing Forced Combustion Blower in Insures from natural gas to LP gas. <br /> mechanically bonded to aluminum fins, flame stability under varying wind condi- <br /> factory pressure and leak tested at 250 nd l Gives higher combustion efficiency <br /> a <br /> to 300 psig.All units have TXV to control and location flexibility. <br /> refrigeration flow. <br /> `10 rek <br /> 1 <br /> / c ah rid rertery.o rg TCM <br /> UritarySmallAC <br /> . d.i 1 41 IIC <br /> C V V <br /> /STEM <br /> Trane <br /> 6200 Troup Highway The manufacturer has a policy of continuous product and product data improvement and it reserves the right <br /> Tyler,TX 75707-9010 <br /> to change design and specifications without notice. <br /> 10 <br />