Trane UH-PRC001-EN Mechanical Specifications, Model P General, Casing, Model S General, Coils

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Mechanical Specifications

Mechanical Specifications

Model P

General

The “NRTLC/C” indicator adjacent to the CSA mark signifies that the product has been evaluated to the applicable ANSI/ UL and CSA Standards, for use in the U.S. and Canada.

NRTL, i.e. Nationally Recognized Testing Laboratory, is a designation granted by the U.S. Occupational Safety and Health Administration to laboratories which have been recognized to perform certification to U.S. Standards.

Casing

Formed by two square steel plates. Bottom plate forms orifice for air delivery. Air ports stamped in top plate as standard for easy removal for low final air temperature.

Fan

Trane high efficiency Model A fan with aluminum blades is quiet, factory balanced and sturdy for standard or spark-proof applications.

Model S

General

The “NRTLC/C” indicator adjacent to the CSA mark signifies that the product has been evaluated to the applicable ANSI/ UL and CSA Standards, for use in the U.S. and Canada.

NRTL, i.e. Nationally RecognizedTesting Laboratory, is a designation granted by the U.S. Occupational Safety and Health Administration to labortories which have been recognized to perform certification to U.S. Standards.

Casing

Two-piece with “picture frame” front formed into wraparound sides, top and bottom. Adjustable horizontal louvers are standard. 18 gauge back panel with deep-draw fan orifice for extreme rigidity. Steel supply and return pipe tap connectors bolted to back. Casings phosphatized to prevent corrosion and painted with blue gray baked enamel.

Fan

Trane designed and built high efficiency Model A fan with aluminum blades is quiet, factory balanced and sturdy for standard or sparkproof applications.

Coils

Hot water-steam coils are rectangular

3 or 4-sided, one-pass, multiple circuit, with aluminum Sigma-Flo®fins mechanically bonded to tubes. Standard coils are seamless copper tubing. Coils tested at 375 psi under water. Supply and return connections are steel pipe. Standard coils have .025 copper tubing suitable for use on steam pressure to 75 psi or hot water up to 225 psi or 325 F. When Specified) Heavy .049 red brass tubing suitable for 75 psi steam or up to 425 deg. F water at 300 psi – .049 cupro- nickel tubing suitable for 75 psi steam or up to 450 deg. F water at 400 psi – .049 steel tubing suitable for 450 deg. F water at 400 psi.

Motors

Standard motors are 115/60/1, totally enclosed, with thermal overload protection for all units through size 280P. Standard motors for 42P, 64P and 80P are shaded pole, sleeve bearing.The 102P motor is permanent split capacitor

Coils

Hot water-steam headerless coils are single tube, single serpentine on all sizes except 230 thru 354 which have two circuits. Fins are aluminum Sigma-Flo, mechanically bonded to seamless copper tubing. All coils one-row deep in air flow direction.

Coils tested at 400 psi air under water. Standard coils have .031 copper tubing suitable for use on steam pressures to 75 psi or hot water up to 200 psi or

325 F.

(When Specified) Heavy .049 red brass tubing suitable for 75 psi steam or 390 deg. F water at 260 psi — .031 cupro- nickel tubing suitable for 450 deg. F water at 400 psi — .049 steel tubing suitable for 450 deg. F water at 400 psi. (When Specified) Coils with turbulators (Suffix W) available for high performance on hot water.

(When Specified) Coils with fin series

132 (Suffix 2) for high performance on hot water or steam.

(When Specified) Bypass Model S units with modified coils for air bypass. Unit

type with sleeve bearings. Motor for unit sizes 122P through 280P are permanent split capacitor types with permanently lubricated ball bearings. Motors used on unit sizes 336P through 720P are 230/460/ 60/3, totally enclosed, with permanently lubricated ball bearings. Unit sizes smaller than 336P are also available with 230/400/60/3 motors.

All motors fractional hp and integral hp, have Class “B” insulation.The (115/60/1 motors used as standard on unit sizes 42P through 102P can be operated at multiple speeds with the addition of a solid-state control.

All units available with explosion-proof motors. Only sizes 42P, 64P, 102P and 146P are available from stock with 115/60/1 explosion-proof motors.

Louver Cone Diffuser

(When Specified) Available for complete versatility in air diffusion patterns. Adjustable 18-gauge steel blades held in set position by spring steel clips.

sizes have odd numbers (19, 77, 243, etc.).

Motors

Totally enclosed, 115/60/1 Class “B” insulated shaded pole and PSC motors are STD. 1/50 through 1/8 hp are sleeve bearing, 1/6 through 3/4 hp are ball bearing. All single phase motors have built in overload protection. Sleeve bearing motors can be oiled. Ball bearing motors are permanently lubricated.

The 115/60/1 motors used as standard on unit sizes 18S through 100S can be operated at multiple speeds with the addition of a solid- state control.

All units available with explosion-proof motors. Only sizes 18S, 42S, 90S and 126S are available from stock with 115/60/1 explosion-proof motors.

Louver Fin Diffuser

(When Specified) For versatility in lateral diffusion, used with standard louvers, provides four-direction control. Ships separately and clips onto horizontal louvers.

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UH-PRC001-EN

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Contents 17.4 to 705.6 MBh UH-PRC001-ENPropeller Unit Heaters/Unitary OctoberIntroduction The Industrial Designed Model P Unit HeaterSelection Procedure ContentsFeatures and Benefits Electric PowerFeatures and Benefits Put HeatWhere It’s NeededCompact Design The Model S CoilThe Model P Motor Rectangular Draw-ThruCoilsFeatures and Benefits Model PModel S External Couplings Features and BenefitsTypical Factory Application ConsiderationsGeneral Rules Application Considerations HotWater System - Using Circulating PumpGeneral Notes Application Considerations Vapor orVacuum SystemHotWater System with Circulating Pump Figure AC-4 Figure AC-5 Figure AC-6BTU Requirements Selection ProcedureTrane Propeller Unit Heaters Type of BuildingUseful Data FormulaDetermining Special Steam Capacities Equivalent Direct RadiationSelection Procedure Model S NomenclatureD BE Selection Procedure Model SModel P Table Based on 2 PSIG and 60 F Entering AirSelection Procedure 2 Lbs. Steam 60 F Entering AirTempSelection Procedure 2 Lbs. Steam 60 F Entering AirTempSelection Procedure Table SP-6- Maximum Spread FtMotor and Fan Speeds Additional Selection DataModel P Nomenclature Selection ProcedureSelection Procedure Selection ProcedureHotWater Selection Example StepPropylene Correction Factors for Propylene Glycol/WaterPropylene Glycol GlycolMotors Model Number DescriptionMODEL P UNIT HEATER Motors D B EModel Number Description Performance Data Performance Data WaterPerformance Data WaterPerformance Data WaterPerformance Data Entering WaterTemperaturePerformance Data Entering WaterTemperaturePerformance Data 117.6Performance Data Entering WaterTemperaturePerformance Data Entering WaterTemperaturePerformance Data WaterPerformance Data WaterPerformance Data WaterPerformance Data 115.1Performance Data WaterPerformance Data WaterPerformance Data Entering WaterTemperaturePerformance Data Entering WaterTemperaturePerformance Data Entering WaterTemperaturePerformance Data 100.1Performance Data Entering WaterTemperaturePerformance Data Entering WaterTemperatureElectric Power Electric Power AccessoryElectric Power ModelMotor MountType-1 Dimensions and WeightsFigure DW-1 Motor MountType-2Dimensions and Weights Figure DW-2Figure DW-3 Dimensions and WeightsIn Dimensions Figure DW-4 Table DW-4- Louver Cone Diffuser RoughingCasing Mechanical SpecificationsModel P General Model S GeneralPage NRTL/C TheTrane Company
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