Trane UH-PRC001-EN - Manuals

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Manual Trane UH-PRC001-EN

Summary

Page 2 - Introduction; The Industrial Designed Model P Unit Heater; fins they’re

©American Standard Inc. 2000 UH-PRC001-EN Introduction The Industrial Designed Model P Unit Heater The Clean-Line Appearance of the Model S Unit Heater The square, compact design of theModel P and rectangular Model S alloweasy handling and installation. In mostcases, only one person is needed tocarr...

Page 3 - Contents

3 Contents UH-PRC001-EN Introduction Features and Benefits Application Considerations Selection Procedure Manual Selection ProcedureModel Number Description Performance Data Electric Power Dimension and Weights Mechanical Specifications 2 4 8 11 19 21 23 44 47 50

Page 5 - fin

5 UH-PRC001-EN Features andBenefits The Model P MotorThe Model P motor is mounted belowthe top panel inside the heater casing.This reduces unit height and permits theunit to be installed closer to the ceilingfor added headroom. Rectangular Draw-Thru CoilsThe Model P draw-thru coils use shortlengths ...

Page 6 - fins in a

UH-PRC001-EN 6 Features andBenefits C D E B A F G D C E B G A F H Model S AExclusive, compact one-rowserpentine coil features highperformance Sigma-Flo fins. BOne-piece wraparound casing withpicture-frame front panel combinesattractiveness with durability. CHeavy-gauge, one-piece back panelcan be ea...

Page 10 - Table AC-2 - Supply and Return Sizes at 2 Psi

UH-PRC001-EN 10 Vapor or Vacuum SystemLower supply and return mains are used.Piping should be similar to that used withoverhead supply main if it is separatelyvented and trapped. Bottom supply forsteam mains may be used if steam is dry.Refer to Figure AC-4. For proper pipe size,refer to Table AC-2. ...

Page 11 - maximum effective mounting

11 UH-PRC001-EN SelectionProcedure Trane Propeller Unit HeatersBoth Model S and Model P PropellerUnit Heaters are ideally suited to such awide variety of installations that therecan be no hard and fast rules regulatingtheir selection.In determining the type and size of theunits for any building, the...

Page 12 - Cfm final air x; Useful Data; per hour

UH-PRC001-EN 12 SelectionProcedure FormulaThe following formula is used to arrive atfinal air temperature volume when 70 F(Standard Air Basis) is known or viceversa: Cfm at final temp. = Cfm at 70 F x 460 + Final temp. 460 + 70 Cfm at 70 F = Cfm final air x 460 + 70 460 + Final temp. Determining Spe...

Page 14 - Distance of throw

UH-PRC001-EN 14 SelectionProcedure Table SP-2 – Factors for Determining Steam Capacity of Model S Horizontal Unit Heaters at Various Pressures and Temperatures Table Based on 2 PSIG and 60 F Entering Air Steam Temperature of Entering Air (F) Pressure PSIG -10 0 10 20 30 40 50 60 70 80 90 100 0 1.54 ...

Page 15 - Table SP-3 – Model S Horizontal Unit Heater Steam Capacities

15 UH-PRC001-EN SelectionProcedure Table SP-3 – Model S Horizontal Unit Heater Steam Capacities 2 Lbs. Steam 60 F Entering Air Temp Motor Motor BTU Condensate Final CFM 70 F Outlet Oper. Size HP RPM Per Hour EDR Lbs Per Hr Temp Air Basis Velocity Weight Standard Units 1050 17,400 72 18 117 280 162 1...

Page 16 - Table SP-4 – Model S Horizontal Unit Heater Steam Capacities con’t

UH-PRC001-EN 16 SelectionProcedure Table SP-4 – Model S Horizontal Unit Heater Steam Capacities con’t 2 Lbs. Steam 60 F Entering Air Temp Motor Motor BTU Condensate Final CFM 70 F Outlet Oper. Size HP RPM Per Hour EDR Lbs Per Hr Temp Air Basis Velocity Weight Low Final Temp. “Bypass” Units 1050 19,3...

Page 17 - Table SP-5 – Model P Projection Unit Heater Steam Capacities

17 UH-PRC001-EN SelectionProcedure Table SP-5 – Model P Projection Unit Heater Steam Capacities 2 Lbs. Steam 60 F Entering Air Temperature Motor Motor BTU Condensate Final CFM 70 F CFM at Outlet Oper. Size HP RPM Per Hour EDR Lbs Per Hr Temp. Air Basis Final Temp. Velocity Weight Lbs. Standard Model...

Page 18 - Additional Selection Data

UH-PRC001-EN 18 SelectionProcedure Motor and Fan SpeedsMotor and fan speeds are selected toprovide efficient performance. Thesolid-state speed control will provide aninfinite number of speeds between thehighest and the lowest cataloged fanspeeds. The speed control is notcalibrated in specific fan sp...

Page 19 - Hot Water Selection Example

19 UH-PRC001-EN SelectionProcedure Unit Steam Pressure (PSI) Size 2 5 10 50 75 146-P-L 18.0 17.5 17.5 15.0 14.0 22.5 22.0 21.5 18.5 18.0 166-P 18.0 17.5 17.0 14.5 14.0 22.5 22.0 21.5 19.0 18.0 166-P-L 22.0 21.5 21.0 18.5 17.5 27.5 27.0 26.5 23.5 22.5 202-P 22.0 21.5 21.0 18.5 17.5 27.5 27.0 26.5 24....

Page 20 - in flow rate

UH-PRC001-EN 20 SelectionProcedure Step 4.Determine the pressure drop at 6.53GPM. Pressure drops are cataloged forboth standard wall (SWT) and heavywall. (HWT) tube coils. In this example, ifa SWT coil is selected the pressure drop,by interpolation is 2.38 feet of water. Step 5.Calculate the final a...

Page 21 - MODEL P UNIT HEATER; UHP A 0 4 2 P 4 C A A 1 T A R C A D B E

21 UH-PRC001-EN ModelNumberDescription MODEL P UNIT HEATER Digits 1,2,3 — Product Type UHP Digit 4 — Development Sequence A Digits 5,6,7 — Unit Size 042064080102122146166202252280336384500600720 Digit 8 — Coil Type P = Steam or Hot Water* Digit 9 — Fin Series 4 = 144* Digit 10 — Design Sequence C Di...

Page 22 - UHS A 0 1 8 S 2 E A A 1 T A W D A D B E; MODEL S UNIT HEATER

UH-PRC001-EN 22 ModelNumberDescription MotorsTotally enclosed, 115/60/1 Class “B”insulated, shaded pole and PSC motorsare STD. 1/25 through 1/8 hp are sleevebearing. 1/6 through 3/4 hp are ballbearing. All single phase motors havebuilt-in overload protection. Sleevebearing motors can be oiled. Ballb...

Page 23 - Table PD-1 – Model S Unit Heater Hot Water Capacities – 60°F Ent. Air Temp.

23 UH-PRC001-EN Table PD-1 – Model S Unit Heater Hot Water Capacities – 60°F Ent. Air Temp. (Conversion Factors in Table SP-11 Apply Only to 200 F Entering Water Temperature Columns) Entering Water Temperature Water 180 F 200 F 220 F 240 F Unit Temp. PD PD PD PD PD PD PD PD Size Drop °F MBH GPM FT S...

Page 32 - Table PD-3 – Model P Unit Heater Hot Water Capacities – 60°F Ent. Air Temp.

UH-PRC001-EN 32 PerformanceData Table PD-3 – Model P Unit Heater Hot Water Capacities – 60°F Ent. Air Temp. (Conversion Factors in Table SP-11 Apply Only to 200 F Entering Water Temperature Columns) Entering Water Temperature Water 180 F 200 F 220 F 240 F Unit Temp. PD PD PD PD PD PD PD PD Size Drop...

Page 35 - Table PD-4 – Model P Unit Heater Hot Water Capacities – 60°F Ent. Air Temp.

35 UH-PRC001-EN PerformanceData Table PD-4 – Model P Unit Heater Hot Water Capacities – 60°F Ent. Air Temp. (Conversion Factors in Table SP-11 Apply Only to 200 F Entering Water Temperature Columns) Entering Water Temperature Water 180 F 200 F 220 F 240 F Unit Temp. PD PD PD PD PD PD PD PD Size Drop...

Page 50 - through

UH-PRC001-EN 50 MechanicalSpecifications Model P GeneralThe “NRTLC/C” indicator adjacent to theCSA mark signifies that the product hasbeen evaluated to the applicable ANSI/UL and CSA Standards, for use in theU.S. and Canada.NRTL, i.e. Nationally Recognized TestingLaboratory, is a designation granted...