Trane UHSB Installation, Operation And Maintenance Manual
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Trane UHSB Installation, Operation And Maintenance Manual

S&p unit heaters
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Installation, Operation, and
Maintenance
S&P Unit Heaters
Model Numbers:
UHSB
UHPB
September 2008
UH-SVX01A-EN

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  • Page 1 Installation, Operation, and Maintenance S&P Unit Heaters Model Numbers: UHSB UHPB UH-SVX01A-EN September 2008...
  • Page 2 1 cubic foot = 0.028 m manner while in operation or just power. Failure to do so could result in after it has been turned off, as some fatal electric shock, or severe personal injury. © 2008 Trane All Rights Reserved UH-SVX01A-EN...

  • Page 3: Table Of Contents

    Contents Model Number Description ......... Location .

  • Page 4: Model Number Description

    Model Number Description Service Model Number horizontal units range from 18,000 to Description 360,000 (5.3 to 105.5 kW) and can Description operate with either hot water or Vertical hydronic unit heaters are steam. Both units are furnished with designed for installation requiring DIGIT 1,2,3 —...
  • Page 5 Model Number Description 280,000 BTU/HR DIGIT 16 - THERMOSTAT COVER 336,000 BTU/HR None 384,000 BTU/HR Locking Thermostat Cover 500,000 BTU/HR 600,000 BTU/HR DIGIT 17 - Manual Starter 720,000 BTU/HR None DIGIT 8—VOLTAGE Manual Starter 115/1/60 DIGIT 18 - STEAM & HOT WATER 230/1/60 (115 V motor with CONTROL Transformer)

  • Page 6: Location

    Location It is assumed that the design engineer has selected, sized, and located in the area to be heated. However, the information given here may be of additional help to the installer. These sketches indicate suggested basic locations for different types of unit heaters. Horizontal unit heaters should be located to give a circulatory motion, preferably in the outer perimeter of...
  • Page 7 Location UNIT SIZE 048/060 15-5/16 1-7/8 16-9/16 2-1/2 084 & 120 19-1/16 3" 11-11/16 096/108 17-13/16 2-1/2 132/144/156 21-9/16 3-1/2 1-3/4 180/204 22-13/16 4" 4-1/2 240/280 26-1/16 10" 300/360 31-9/16 6" 1" 1-3/4 4 PT. SUSPENSION USE 3/8-16 THREADED RODS (4 LOCATIONS) D6340 Figure 9.
  • Page 8 Location "FORCED HOT WATER" D-6056 Figure 10. Forced Hot Water UH-SVX01A-EN...
  • Page 9 Location PET COCK (SYSTEM VENT) GATE VALVE "FORCED HOT WATER" GATE VALVE (Serpentine Units) DRAIN VALVE D-6057 Figure 11. Forced Hot Water: Serpentine Unit Only UH-SVX01A-EN...
  • Page 10 Location "HIGH PRESSURE STEAM" D-6058 Figure 12. High Pressure Steam UH-SVX01A-EN...
  • Page 11 Location "LOW PRESSURE STEAM GRAVITY" D-6059 Figure 13. Low Pressure Steam Gravity UH-SVX01A-EN...
  • Page 12 Location "LOW PRESSURE VAPOR OR VACUUM" D-6060 Figure 14. Low Pressure Vapor Or Vacuum UH-SVX01A-EN...

  • Page 13: Installation

    Installation Installation: P Type warm air. Place the units at points of EXAMPLE greatest heat loss. Blanket outside Table 4 lists maximum mounting doorway and provide ample Periodic Service height and floor spread data of warm coverage of window areas. Keep air coverage at floor level with louver units away from obstructions that cone diffusers.
  • Page 14 Installation Table 3. Maximum Mounting Height in Feet with and without Louver Cone Diffuser Unit Size Steam Pressure (PSI) Unit Size Steam Pressure (PSI) (13.8) (34.5) (68.9) (344.7) (517.1) (13.8) (34.5) (68.9) (344.7) (517.1) 10.5 10.0 10.0 18.0 17.5 17.5 15.0 14.0 (3.2)
  • Page 15 Installation Table 4. Maximum Mounting Height in Feet with and without Louver Cone Diffuser Steam Pressure (PSI) Steam Pressure (PSI) Unit Size (13.8) (34.5) (68.9) (344.7) (517.1) Unit Size (13.8) (34.5) (68.9) (344.7) (517.1) 18.0 17.5 17.0 14.5 14.0 29.0 28.5 28.0 25.0...
  • Page 16 Installation Table 6. Maximum Mounting Height and Diameter at Floor (Based on 60°F EAT and 219°F EWT or 2 psig steam) Diffuser Cone 90° Diffuser Cone 45° See Figure 5A See Figure 5B Standard Low Output Standard Low Output Model ft (m) ft (m) ft (m)
  • Page 17 Installation Figure 15. To meet OSHA requirements, units mounted lower than 8 feet from the floor must be equipped with an OSHA fan guard. Notes: Table 7. Mounting Height Correction Factors Water °F Temperature (°C) (66) (71) (77) (82) (88) (93) Steam Pressure...
  • Page 18 Installation Piping To provide proper coil operation, follow all piping recommendations listed in this manual. Threaded pipe headers are provided on all Vertical Units for piping connections. See Figure Connections are given in Figure 18 Figure 19 Table 27 Table Follow standard practices and codes when installing the piping.
  • Page 19 Installation Figure 18. Figure 19. UH-SVX01A-EN...
  • Page 20 Installation Installation: S Type at four points. Refer to On steam systems it is Figure 20 Figure 21 recommended that the unit be two point suspension and installed level for proper condensate Unit Mounting refer to Figure 9 for four point drainage.

  • Page 21: Fan Guard/Louver Installation

    Fan Guard/Louver Installation OSHA Fan Guard/Louver Cone Diffuser Installation Detail WARNING Hazardous Voltage Do not mount either the Louver Cone Diffuser or OSHA Fan Guard while unit is in operation or severe personal injury may occur. Disconnect all power supplies to the unit before installing the Louver Cone Diffuser or OSHA Fan Guard.
  • Page 22 Fan Guard/Louver Installation Figure 22. Vertical Unit with Louver Cone Diffuser Figure 23. Vertical Unit with OSHA Fan Guard UH-SVX01A-EN...

  • Page 23: Dimensional Data

    Dimensional Data Dimensional Data: P Model (4) MOUNTING HOLES - 16 FOR 42P-80P THREAD TAPS CEILING STEAM SUPPLY HOT WATER RETURN STEAM RETURN HOT WATER SUPPLY Figure 24. Models 42-80 Table 8. Roughing in Dimensional Data - Model Size 42-80 Unit Capacity (MBH) Fan Dia.
  • Page 24 Dimensional Data (4) MOUNTING HOLES - 16 FOR 102P-384P THREAD TAPS - 13 FOR 500P-720P CEILING STEAM SUPPLY HOT WATER RETURN STEAM RETURN HOT WATER SUPPLY Figure 25. Models 102-720 Table 9. Roughing in Dimensional Data - Model Size 102-720 Unit Capacity (MBH)
  • Page 25 Dimensional Data Dimensional Data: S Model Figure 26. Serpentine Type Models A08, A18, A25, A36 Note: Motors are totally enclosed, thermally protected, sleeve bearing, with 4" (w) x 2" (h) conduit connection boxes. 3/8-16 nutserts are attached to enclosure for balanced hanging. Table 10.
  • Page 26 Dimensional Data Figure 27. Header Type Models 18 thru 360 Note: Motors are totally enclosed, thermally protected, sleeve bearing, with 4" (w) x 2" (h) conduit connection boxes. 3/8-16 nutserts are attached to enclosure for balanced hanging. UH-SVX01A-EN...
  • Page 27 Dimensional Data Table 11. Header Models NOM. APPROX. DIAM. SHIP inches inches inches inches inches inches inches inches inches inches inches inches inches LOU- inches WT. lbs. MODEL (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) VERS (mm)

  • Page 28: Technical Data

    Technical Data Technical Data: S Models The performance data listed in CATEGORY OF AREA SOUND RATING Table 11 includes sound ratings. The apartment, assembly hall, classrooms, churches, courtrooms, executive ratings provide a guide in offices, hospitals, libraries, museums, theatres determining the acceptable degree dining rooms, general offices, recreation areas, small retail stores of loudness in particular occupancy restaurants, banks, cafeterias, department stores, public buildings,...
  • Page 29 Technical Data Technical Data: P Model Category of Area Sound Rating apartment, assembly hall, classrooms, churches, courtrooms, executive The performance data listed in offices, hospitals, libraries, museums, theatres Table Table 14, and Table 15 dining rooms, general offices, recreation areas, small retail stores include sound ratings.

  • Page 30: Options

    Options Options: S Models Mount face plate with screw Standard duty models with "off- provided and attach control auto" and "auto-off-fan" and a heavy Variable Speed Control 115 Volt knob. duty model with "auto-off-fan" Only (optional) switching are available. Other Strap-On Water Control The solid state speed controller may models available on request.
  • Page 31 Options Options: P Models diffuser to the bottom of the unit speeds indefinitely controllable. All 1/ heater as shown in Figure 3, 1/2 HP and 230V motors operate Variable Speed Control 115 Volt Mounting holes are provided in the only at rated speed and CFM - See Only (optional) unit base plate.

  • Page 32: Electrical Connections

    Electrical Connections Electrical Connections: P cold air unless the heater has steam Motors passing through the coil. Model The standard 115/1/60 motors Small hot water systems could have provided on Vertical Unit Heaters are WARNING the circulating pump controlled totally enclosed, Class “B” insulated directly by the room thermostat.
  • Page 33 Electrical Connections Figure 35. Fan Motor Connections 115/1/60 Constant Speed, Two Lead (GE, Marathon, Universal) Figure 32. Fan Motor Connections Low Voltage with Protector Select Rotation (CCW shown)(Marathon) For CW Rotation Interchange (Red and black lead) Figure 34. Fan Motor Connections Low Voltage CCW Internal (Marathon) Figure 33.
  • Page 34 Electrical Connections Wiring Installation: P Model 1 PHASE LINE 3 PHASE LINE Notice When using a speed controller, MAGNETIC always locate the thermostat STARTING SWITCH MANUAL STARTING between the speed controller SWITCH THERMOSTAT and the line, not between the motor and the controller. MOTOR MOTOR MOTOR...
  • Page 35 Electrical Connections Electrical Connections: S Small hot water systems could have the circulating pump controlled Model directly by the room thermostat. On 3 PHASE LINE large systems, zone valves could be WARNING used to control the individual unit Hazardous Voltage heater where constant water MANUAL STARTING Disconnect all electric power...
  • Page 36 Electrical Connections Wiring Installation: S Model 1 PHASE LINE 3 PHASE LINE Notice When using a speed controller, MAGNETIC always locate the thermostat STARTING SWITCH MANUAL STARTING between the speed controller SWITCH THERMOSTAT and the line, not between the motor and the controller. MOTOR MOTOR MOTOR...
  • Page 37 Electrical Connections 3 PHASE LINE MANUAL STARTING SWITCH THERMOSTAT LIMIT CONTROLLER REVERSE ACTING MOTOR MANUAL CONTROL WITH THREE PHASE MOTOR Figure 55. 1 PHASE LINE MANUAL STARTER WITH BUILT IN SELECTOR SWITCH THERMOSTAT LIMIT CONTROLLER MOTOR THREE POSITION SELECTOR SWITCH BUILT INTO MAGNETIC STARTER FOR MANUAL OR THERMOSTATIC CONTROL Figure 56.

  • Page 38: Motor Data

    Motor Data Motor Data: P Models Table 16. Standard (Totally Enclosed) Motor Type [MT=1] CAUTION Voltage Selections Unit Model No. 115/1/60† Operating Voltage Select appropriate AMP , MCA, and MOP for the multiple voltage 1.23** 1/40* 1550 motors. For example, the AMP , MCA, 2.1** 1/20* 1550 and MOP for Model 40 with a 230...
  • Page 39 Motor Data in motor data. All 1/4 H.P . motors are P .S.C. Note: Motors under 1/3 H.P . are Table 17. Explosion Proof with Thermal Overload Motor Type [MT=2] totally enclosed, frame Unit Model mounted, 115/1/60 with thermal overload protection 115/1/60†...
  • Page 40 Motor Data Table 18. Totally Enclosed Motor Type Unit Model No. 115/1/60 18, 24, A08, A18 16W* 1550 1/20* 1000 36, A25 25W* 1550 48, 60, 72 1/20* 1000 84, 96, 108 1/12* 1000 120, 132, 144, 156, 180, 204, 240 10.1 1140 280, 300, 360...

  • Page 41: Steam Performance Data

    Steam Performance Data Table 20. Model S Header Type Only Output BTU/ Cond. E.D.R. Final Air Nom. Fan lbs./hr. Sq. Ft. Deg. °F Motor HP Nominal Outlet FPM Nom. Amps Diam. Inches Unit Size (kW) (kg/hr) (sq. m) (Deg. °C) (kW) CFM (m (m/s)
  • Page 42 Steam Performance Data Table 20. Model S Header Type Only (continued) Output BTU/ Cond. E.D.R. Final Air Nom. Fan lbs./hr. Sq. Ft. Deg. °F Motor HP Nominal Outlet FPM Nom. Amps Diam. Inches Unit Size (kW) (kg/hr) (sq. m) (Deg. °C) (kW) CFM (m (m/s)
  • Page 43 Steam Performance Data Table 23. PROPERTIES OF SATURATED STEAM STEAM PRESSURE IN PSIG (kPa) Steam Pressure psi (kPa) (13.8) (34.5) (68.9) (103.4) (137.9) (206.8) (275.8) (344.7) (517.1) (689.4) (891.8) (1,034.1) Steam Temperature 218.5 227.1 239.4 249.8 258.8 274.0 286.7 297.7 319.9 337.9 352.9...
  • Page 44 Steam Performance Data Table 25. "Low Output" Standard Vertical Units with All Air Ports Open Unit Output Condensate E.D.R. Final Air Capacity BTU/HR lbs./hr Sq. ft. Temp. °F Motor H.P. Motor Nominal Outlet Velocity (MBH) (kW) (kg/hr) (Sq. m) °C (kW) CFM (m FPM (m/s)
  • Page 45 Steam Performance Data Table 26. STEAM CALCULATIONS AND CORRECTION FACTORS P STYLE EXAMPLE: UNIT SIZE __________ 042 Steam Pressure _____10 PSI Entering Air Temp. ____ 40°F I. CAPACITY Read output directly from Table 24: 41,300 BTU/ A. For 2 lbs. steam, 60° entering air B.

  • Page 46: Hot Water Performance Data

    Hot Water Performance Data Table 29. Model S Serpentine and Header Type Output Final Air Prssr. Drop Nominal Outlet Nom. BTU/HR* Flow Rate Deg. °F FT./H2O Amps @ Unit Size (kW) GPM (L/s) (Deg. °C) (m/water) Motor HP (kW) (m/s) 115VAC†...
  • Page 47 Hot Water Performance Data Table 29. Model S Serpentine and Header Type (continued) 87,100 0.39 1140 1900 (25.5) (.555) (39) (.119) (.249) (.897) (4.572) 95,800 0.41 1140 2000 (28.1) (.606) (40) (.125) (.249) (.944) (4.826) 104,000 10.4 0.43 1140 2200 1000 (30.5) (.656)
  • Page 48 Hot Water Performance Data Table 31. HOT WATER CONVERSION FACTORS BASED ON 200° (93°C) ENTERING WATER, 60° (16°C) ENTERING AIR AND 20° (11°C) TEMPERATURE DROP ENTERING ENTERING WATER TEMPERATURE - °F (°C) TEMPERAT 100° 120° 140° 160° 180° 200° 220° 240°...
  • Page 49 Hot Water Performance Data Table 35. P Type Standard Output Units** Water Final Temp. Press. Drop Air. Nominal Outlet Drop Output MBH Flow Rate ft/water Temp. Velocity Model No. °F (°C) (kW) G.P.M. (L/s) (m/water) °F (°C) Motor H.P. (kW) R.P.M. FPM (m/s) Sound Rating 10°...
  • Page 50 Hot Water Performance Data Table 35. P Type Standard Output Units** (continued) Water Final Temp. Press. Drop Air. Nominal Outlet Drop Output MBH Flow Rate ft/water Temp. Velocity Model No. °F (°C) (kW) G.P.M. (L/s) (m/water) °F (°C) Motor H.P. (kW) R.P.M. FPM (m/s) Sound Rating 10°...
  • Page 51 Hot Water Performance Data Table 35. P Type Standard Output Units** (continued) Water Final Temp. Press. Drop Air. Nominal Outlet Drop Output MBH Flow Rate ft/water Temp. Velocity Model No. °F (°C) (kW) G.P.M. (L/s) (m/water) °F (°C) Motor H.P. (kW) R.P.M. FPM (m/s) Sound Rating 20°...
  • Page 52 Hot Water Performance Data Table 36. Low Output Units Standard Vertical Unit with All Air Ports Open** (continued) Water Final Temp. Press. Drop Air. Nominal Outlet Drop Output MBH Flow Rate ft/water Temp. Velocity Model No. °F (°C) (kW) G.P.M. (L/s) m/water °F (°C) Motor H.P.
  • Page 53 Hot Water Performance Data Table 36. Low Output Units Standard Vertical Unit with All Air Ports Open** (continued) Water Final Temp. Press. Drop Air. Nominal Outlet Drop Output MBH Flow Rate ft/water Temp. Velocity Model No. °F (°C) (kW) G.P.M. (L/s) m/water °F (°C) Motor H.P.
  • Page 54 Hot Water Performance Data Table 38. HOT WATER CONVERSION FACTORS BASED ON 200° ENTERING WATER 60° ENTERING AIR 20° TEMPERATURE DROP ENTERING WATER TEMPERATURE -20° WATER TEMPERATURE DROP ENTERING AIR TEMPERATURE 100° 120° 140° 160° 180° 200° 220° 240° 260° 280°...

  • Page 55: Maintenance

    Maintenance Periodic Service 38°C). Below 32°F (0°C), SAE 10W inspection sheet provided in non detergent oil will be required. this manual. WARNING The frequency of oiling will depend Should maintenance be required, Hazardous Voltage upon operating conditions and perform the following inspection and length of running time.
  • Page 56 Maintenance Table 42. Troubleshooting Guide Symptoms Possible Cause(s) Corrective Action A. Leaking coil 1. Frozen coil. 1. Replace. 2. Defective coil. 2. Replace. 3. Corrosion. 3. Replace 4. Leak in joint. 4. Braze joint if joint is exposed where leak has occurred.

  • Page 57: Warranty Info

    Warranty Info LIMITED WARRANTY: S exists a defect in material or This limited warranty does not apply: workmanship. Model a. if the Product has been subjected to misuse or Repair or replacement of any part neglect, has been HORIZONTAL STEAM & HOT under this Limited Warranty shall not accidentally or intentionally WATER UNIT HEATERS...
  • Page 58 Warranty Info SELLING PRICE OF THE PRODUCT OR ANY PARTS THEREOF FOUND TO BE DEFECTIVE. THIS LIMITED WARRANTY GIVES THE ORIGINAL OWNER OF THE PRODUCT SPECIFIC LEGAL RIGHTS. YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY BY EACH JURISDICTION. UH-SVX01A-EN...
  • Page 60 Supersedes UH-SVX01A-EN July 2008 www.trane.com For more information, contact your local Trane Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. office or e-mail us at comfort@trane.com...

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