Trane SCWH user manual

User manual for the device Trane SCWH

Device: Trane SCWH
Category: Air Conditioner
Manufacturer: Trane
Size: 4.45 MB
Added : 3/31/2014
Number of pages: 36
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Abstracts of contents
Summary of the content on the page No. 1

Installation, Operation, and
Maintenance
Midrange Self-Contained Units
Models SCWH/SCRH
3, 5, 7.5, 10, 12, & 15-tons
“AO” and later design sequence
PKG-SVX14A-EN
October 2008

Summary of the content on the page No. 2

general information About This Manual Common HVAC Acronyms CAUTION For convenience, a number of acronyms Literature Change History Indicates a potentially hazardous and abbreviations are used throughout situation, which may result in minor or Use this manual for commercial self- this manual. These acronyms are moderate injury if not avoided. Also, it contained models SCWH and SCRH. alphabetically listed and defined below. This is the original issue of this may alert against unsafe practices. CF

Summary of the content on the page No. 3

contents Cross reference to related publications/information: Midrange Self-Contained catalog, PKG-PRC012-EN Installation…………………………………………………2 general information ……………………………………………2 pre-installation considerations ………………………………6 dimensions & weights ………………………………………11 mechanical requirements ……………………………………17 electrical requirements ………………………………………19 installation procedure ………………………………………21 pre-startup requirements ……………………………………22 startup …………………………………………………………23 Operation…………

Summary of the content on the page No. 4

general Installation information Midrange Model Number Description Following is a complete description of the midrange model number. Each digit in the model number has a corresponding code that identifies specific unit options. S C W H 075 4 2 A0 1 0 1 0 1 2 3 4 567 8 9 1011 12 13 14 15 Digit 14 - unit finish Digit 8 - unit voltage 1 = painted Digit 1 - unit model 3 = 208 - 230 volt/60 hz/3 ph 2 = corrosion resistant coating S = self contained 4 = 460 volt/60 hz/3 ph 5 = 575 volt/60 hz/3 ph Digi

Summary of the content on the page No. 5

general Installation information General refrigerants as a trace gas. Perform Refrigerant Handling evacuation prior to charging with a The midrange models SCWH/SCRH Procedures vacuum pump capable of pulling a is a high efficiency, vertical air Environmental Accountability Policy vacuum of 1,000 microns of mercury or condioner. units have either front or top Trane urges that all HVAC servicers to less. Let the unit stand for 12 hours and discharge configuration options and easy make every effort

Summary of the content on the page No. 6

pre-installation Installation considerations Receiving Checklist Service Access Pre-Installation Considerations Complete the following checklist Maintain adequate clearances around immediately after receiving unit and above the unit to ensure proper unit Pre-Installation Checklist shipment to detect possible shipping operationa nd allow sufficient service Complete the following checklist before damage. accesss. Trane recommends 36-inches beginning unit installation. Inspect individual cartons

Summary of the content on the page No. 7

pre-installation Installation considerations Service Access 3 through 7.5-ton SCRH/SCWH LATCH THIS PANEL GOES TO TOP ON HORIZONTAL AIR DISCHARGE CONFIGURATION HEATER ACCESS PROVIDED DISASSEMBLED (FOR FIELD-INSTALLED REAR RETURN) 10 through 15-ton SCWH/SRCH with top-mounted fan configuration FAN ACCESS 24" 24" COIL / ELECTRIC HEATER ACCESS FRONT RETURN MOTOR / DRIVE ACCESS (RIGHT SIDE) CONTROL BOX & CONDENSER FAN ACCESS TXV ACCESS (RIGHT SIDE) AIR FILTER ACCESS UNIT-MOUNTED T-STAT (BOTH SI

Summary of the content on the page No. 8

pre-installation Installation considerations Service Access 10 through 15-ton SCRH/SCWH 10, 12, & 15-ton SCWH/SRCH with side-mounted fan configura- tion, field converted 8 PKG-SVX14A-EN

Summary of the content on the page No. 9

pre-installation Installation considerations Isolator Placement Table I-PC-1. Isolator load points, units with a vertical discharge configuration, lbs. model L1 L2 L3 L4 L1 L2 L3 L4 Note: Isolators are field-provided. SCRB/SIRB SCWB/SIWB 3-ton 99 105 120 127 105 133 118 124 5-ton 115 122 157 166 129 165 166 165 7.5-ton 154 203 227 221 177 234 230 231 10-ton 208 266 273 253 263 334 293 300 15-ton 243 332 359 356 315 388 382 375 Table I-PC-2. Isolator load points, units with a

Summary of the content on the page No. 10

pre-installation Installation considerations Proper Lifting Procedure 2. Using slings, attach through the circular WARNING holes provided on the unit base. Protect Follow these instructions and reference Improper Unit Lift! the unit from damage by rigging Figure I-PC-3. Test lift unit approximately 24 inches equipment. 1. Slide a fork lift into the opening high to verify the proper center-of- provided on the unit base. Move the gravity lift point. To avoid dropping the fork lift carefully. unit

Summary of the content on the page No. 11

dimensions & Installation weights 3 & 5-tons SCWH/SCRH vertical discharge horizontal discharge (field converted) SCRH SCWH SCWH/SCRH dimensions & weight, in-lbs. unit shipping operating size A B C D E F G J K L M N O P Q R S weight weight 3 31.89 64.17 22.24 5.65 11.93 14.31 10.63 18.00 7.80 7.80 15.60 15.63 20.20 6.28 4.33 8.58 4.37 494 459 5 36.41 75.98 24.01 7.73 13.03 15.65 11.61 20.31 12.32 8.66 20.98 18.58 24.20 7.10 5.43 6.38 7.12 592 555 PKG-SVX14A-EN 11

Summary of the content on the page No. 12

dimensions & Installation weights 7.5-tons SCWH/SCRH vertical discharge horizontal discharge (field converted) SCWH SCRH SCWH/SCRH weight, lbs. unit shipping operating size weight weight 7.5 702 657 12 PKG-SVX14A-EN

Summary of the content on the page No. 13

dimensions & Installation weights 10, 12, & 15-tons with top-mounted fan configuration SCWH/SCRH horizontal discharge vertical discharge (field converted) SCWH SCRH SCWH/SCRH dimensions & weight, in-lbs. unit shipping operating tons A B C D E F G J K M N weight weight 5 10 66.75 88.78 7.04 18.07 57.28 19.01 25.0 5.23 7.48 /8 8.30 984 917 5 12 65.75 92.71 7.04 18.07 61.22 22.95 29.01 5.23 7.48 /8 12.24 977 907 3 15 80.31 92.71 19.83 19.83 61.22 22.95 29.01 4.76 5.12 / 12.24 1098 1021 4 P

Summary of the content on the page No. 14

dimensions & Installation weights 10, 12, & 15-tons with side-mounted fan configuration, field converted SCWH/SCRH Notes: 1. Base rail must be attached to the floor before converting unit to side-mounted fan configuration. 2. Coil or electric heater cannot be assembed inside the SCWH/SCRH Dimensions, in. cabinet with the side-mounted fan configuration. unit tons A C D E F G 10 65.75 7.04 18.07 57.28 66.93 25.79 12 65.75 7.04 18.07 61.22 66.93 29.73 15 80.31 19.83 19.83 61.22 81.49 29.73 14 PKG-S

Summary of the content on the page No. 15

dimensions & Installation weights Plenum Plenum dimensions & weight, in-lbs. unit size A B weight 3-ton 31.89 22.24 44 5-ton 36.41 24.01 54 7.5-ton 40.94 28.74 73 10 & 12-ton 65.75 29.52 120 15-ton 80.31 29.52 146 Hot water coil 3 & 5-ton units A 3.15 5.91 B 1.57 D G F 0.28 E 0.39 C 0.39 1.03 1.03 1.08 1.0 NPT 0.75 0.75 5.9 SCWH/SCRH Hot water coil dimensions & weights, 3 & 5-ton units, in-lbs. size A B C D E F G weight 3-ton 26.46 18.98 25.67 5.79 5.79 10.00 12.76 13 5-ton 30.98 23.50 30.20 7.

Summary of the content on the page No. 16

dimensions & Installation weights Hot water coil 3.15 35.51 5.91 28.03 1.57 7.5-ton units 0.43 0.28 34.72 0.39 1.03 0.39 1.03 1.08 1.0 NPT 0.75 5.9 0.75 SCWH/SCRH Hot water coil dimensions & weights, in-lbs. size A B C D weight 7.5-ton - - - - 24 10-ton 58.72 50.98 6.95 59.51 49 12-ton 58.72 50.98 6.95 59.51 49 15-ton 73.29 63.98 8.52 74.07 55 Hot water coil 10 thru 15-ton units 1.03 0.39 A 0.39 1.08 1.03 0.28 0.43 C B 1.57 3.19 D BLOCKOFF (SHIPS DISASSEMBLED) 1.00 NPT 0.75 0.75 5.90 16 PKG-SVX

Summary of the content on the page No. 17

mechanical Installation requirements Duct Connections Cooling Tower Piping Water Piping Cooling tower control affects the unit Install all air ducts according to the Condenser Connections cycle rates. Condenser water National Fire Protection Association temperature swings from 10-15°F may Note: To prevent water damage, install standards for the “Installation of Air cause excessive compressor, water piping drain and vent plugs. Conditioning and Ventilation Systems valve, and unit cycling. Be sure

Summary of the content on the page No. 18

mechanical Installation requirements Brazing Procedures Refrigerant Piping (Air-Cooled 7. Begin brazing when the joint is hot Proper brazing techniques are essential Units Only) enough to melt the brazing rod. The hot when installing refrigerant piping. Keep copper tubing, not the flame, should Reference industry recommendations the following factors in mind when melt the rod. for air-cooled unit refrigerant piping. If making sweat connections. 8. Continue to apply heat around the joint suspendi

Summary of the content on the page No. 19

electrical Installation requirements Electrical Data Calculations In this example, 2.2% imbalance is not Supply Power Wiring acceptable. Whenever a voltage RLA = rated load amps It is the installer’s responsibility to provide imbalance of more than 2.0% exists, power supply wiring to the unit terminal Compressor LRA = locked rotor amps check the voltage at the unit disconnect block or the non-fused disconnect switch Fan motor LRA = locked rotor amps, switch. If the imbalance at the unit N.E.C. T

Summary of the content on the page No. 20

electrical Installation requirements Table I-ER-1. Model SCWH/SCRH electrical data evaporator standard motor evaporator oversized motor MFS / compressor evap. fan motor evap. fan motor min. circuit min. circuit model tons voltage MFS / MCB MCB RLA LRA qty. hp FLA qty. hp FLA qty ampacity ampacity 0.5 1 SC*H0303.... 208-230V/60Hz/3Ph 12.9 77.0 2.21 18.3 30 3.15 19.3 30 31 11 SC*H0304.... 460V/60Hz/3Ph 5.7 35.0 1.00 8.1 15 1.42 8.5 15 SC*H0305.... 575V/60Hz/3Ph 4.8 31.0 0.80 6.8 15 1.14 7.1 15


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