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Installation
Operation
Maintenance
Series R Air-Cooled Helical Rotary
Liquid Chillers
Models
RTAC 140-500 ton units (60 Hz)
RTAC 140-400 ton units (50 Hz)
January 2006 RTAC-SVX01F-EN
© American Standard Inc. 2006
Preliminary
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NOTICE: Warnings and Cautions appear at appropriate sections through- out this literature. Read these carefully. WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices. CAUTION: Indicates a situation that may result in equipment or property- damage only ac
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Table of Contents General Information............................................................................................. 7 Literature History.................................................................................................... 7 Unit Identification - Nameplates ............................................................................. 7 Unit Inspection ....................................................................................................... 8 Inspection
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Table of Contents Leak Test and Evacuation..................................................................................... 58 Refrigerant and Additional Oil Charge .................................................................. 60 Refrigerant Charge Determination........................................................................ 60 Oil Charge Determination ..................................................................................... 61 Installation - Electrical..............
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Table of Contents Modes Screen ....................................................................................................... 95 Chiller Screen ....................................................................................................... 101 Compressor Screen.............................................................................................. 101 Refrigerant Screen ............................................................................................... 102 Setp
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Table of Contents Periodic Maintenance........................................................................................ 149 Weekly Maintenance........................................................................................... 149 Maintenance Procedures .................................................................................. 155 Refrigerant and Oil Charge Management............................................................ 155 R134a Field Charging Procedure ............
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General Information Literature History RTAC-SVX001-EN (December 2000) New manual. RTAC-SVX01B-EN (September 2001) New manual describes installation, operation, and maintenance of RTAC units and the remote evaporator option. RTAC-SVX01C-EN (February 2002) Revised manual includes additional RTAC units to size 500 tons, new installation and maintenance material, and expanded CH530 diagnostics. RTAC-SVX01D-EN (July 2003) Revised manual for new evaporator design for 2 compressor units. Design S
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General information Unit Inspection When the unit is delivered, verify that it is the correct unit and that it is properly equipped. Compare the information which appears on the unit nameplate with the ordering and submittal information. Inspect all exterior components for visible damage. Report any apparent damage or material shortage to the carrier and make a “unit damage” notation on the carrier’s delivery receipt. Specify the extent and type of damage found and notify the appropri- ate
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General Information . Figure 2 Typical RTAC Unit Chilled water inlet and outlet openings are covered for shipment. Each compressor has a separate compressor motor starter. The RTAC series features Trane’s exclusive Adaptive Control ™ logic, which monitors the control variables that govern the opera- tion of the chiller unit. Adaptive Control logic can adjust capacity variables to avoid chiller shutdown when necessary, and keep producing chilled water. The units feature two independent refrig
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General information Table 1 General Data — 140-250 Ton 60 Hz Units - Standard Efficiency Size 140155170185200225250 Type STDSTDSTDSTDSTDSTDSTD Compressor Quantity 2 2 2 2 2 2 2 Nominal (tons) 70/70 85/70 85/85 100/85 100/100 120/100 120/120 Size Evaporator Water Storage (gallons) 29 32 33 35 39 38 42 (liters) 111 121 127 134 146 145 158 Min. Flow (gpm) 193 214 202 217 241 217 241 (l/sec) 12 14 13 14 15 14 15 Max. Flow (gpm) 709 785 741 796 883 796 883 (l/sec) 45 50 47 50 56 50 56 Condenser Quan
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General Information Table 2 General Data — 275- 500 Ton 60 Hz Units - Standard Efficiency Size 275300350400450500 Type STDSTDSTDSTDSTD STD Compressor Quantity 3 3 3 4 4 4 Nominal (tons) 85/85 100/100 120/120 100/100 120/120 120/120 Size 100 100 100 100/100 100/100 120/120 Evaporator Water Storage (gallons) 60 65 70 81 84 89 (liters) 229 245 264 306 316 337 Min. Flow (gpm) 309 339 375 404 422 461 (l/sec) 20 21 24 26 27 29 Max. Flow (gpm) 1134 1243 1374 1483 1548 1690 (l/sec) 72 78 87 94 98 107 Co
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General information Table 3 General Data — 140-400 Ton 60 Hz Units - High Efficiency Size 140155170185200225250275300350400 Type HIGHHIGHHIGHHIGHHIGH HIGH HIGH HIGH HIGH HIGH HIGH Compressor Quantity 22222223344 Nominal (tons) 70/70 85/70 85/85 100/85 100/100 120/100 120/120 85/85 100/100 85/85 100/100 Size 100 100 85/85 100/100 Evaporator Water (gallons)3335393842424270708189 Storage (liters) 127 134 146 145 158 158 158 264 264 306 337 Min. Flow (gpm) 202 217 241 217 241 241 241 375 375 404 4
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General Information Table 4 General Data - 120-400 Ton 50 Hz Units-Standard Efficiency Size 140155170185200250275300350375400 Type STDSTDSTDSTDSTDSTDSTDSTDSTDSTDSTD Compressor Quantity 22222 333444 Nominal (tons) 70/70 85/70 85/85 100/85 100/100 70-70/100 85-85/100 100-100/ 85-85/85- 100-100/ 100-100/ Size 100 85 85-85 100-100 Evaporator Water (gallons)29 32 33 35 38 546064737780 Storage (liters) 110 120 126 133 145 203 227 243 275 291 304 Min. Flow (gpm) 192 221 200 215 239 262 307 336 3
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General information Table 5 General Data - 120-400 Ton 50 Hz Units-High Efficiency Size 140155170185200250275300350375400 Type HIGHHIGHHIGHHIGHHIGH HIGH HIGH HIGH HIGH HIGH HIGH Compressor Quantity 2 2 2 2 2 3 3 3 4 4 4 Nominal Size (tons) 70/70 85/70 85/85 100/85 100/100 70-70/ 85-85/ 100-100/ 85-85/ 100-100/ 100-100/ 100 100 100 85-85 85-85 100-100 Evaporator Water (gallons)33 35 38 3841 6469 69 80 83 89 Storage (liters) 126 133 145 145 157 243 262 262 304 314 335 Min. Flow (gpm) 200 215 23
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General Information Figure 3 Unit Dimensions 185-200 Ton Standard Efficiency, 60 Hz and 155, 170 Ton, High Efficiency, 50 and 60 Hz RTAC-SVX01F-EN 15
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Figure 4 Unit Dimensions 225-250 Ton Standard Efficiency, 60 Hz and 185-200 Ton, High Efficiency, 50 and 60 Hz 16 RTAC-SVX01F-EN
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Figure 5 Unit Dimensions 225-250 Ton High Efficiency, 60 Hz RTAC-SVX01F-EN 17
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Figure 6 Unit Dimensions 250-275 Ton Standard Efficiency, 50 Hz and 250 Ton High Efficiency, 50 Hz and 275 Ton Standard Efficiency, 60 Hz 18 RTAC-SVX01F-EN
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Figure 7 Unit Dimensions 275 Ton High Efficiency, 50 and 60 Hz; 300 Ton, Standard Efficiency, 50 and 60 Hz and 350 Ton, Standard Efficiency 60 Hz RTAC-SVX01F-EN 19
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Figure 8 Unit Dimensions 300 Ton High Efficiency, 50 and 60 Hz 20 RTAC-SVX01F-EN
