Page 3 - Contents
3 RLC-PRC016-EN Contents Features and Benefits Model Number Description General Data Selection Procedure Application Considerations Performance Adjustment Factors Performance Data Electrical Data Jobsite Connections Controls Dimensional Data Weights Options Typical Wiring Diagrams Features Summary M...
Page 5 - Excellent Reliability
5 RLC-PRC016-EN Features andBenefits Excellent Reliability A building environment is expected tobe comfortable. When it is, no one saysa word. If it’s not… that’s a differentstory. The same is true with chillers. Noone ever talks about chillers, yet alonecompressors, until they fail, and tenetsare u...
Page 7 - Superior Full Load Efficiency
7 RLC-PRC016-EN Features andBenefits Superior Full Load Efficiency Precise Rotor Tip Clearances Higher energy efficiency in a helicalrotary compressor is obtained byreducing the rotor tip clearances. Thisreduces the leakage between high andlow pressure cavities duringcompression. Precise rotor tip c...
Page 11 - Superior Control; Unit Control Module Features
11 RLC-PRC016-EN Features andBenefits Superior Control Unit Control Module Trane’s Adaptive Control ™ microprocessor control system enhancesthe air-cooled Series R ™ chiller by providing the very latest chiller controltechnology. State-of-the-Art Equipment The 70 to 125 ton air-cooled chillers offer...
Page 13 - Model Nomenclature Digit Number
13 RLC-PRC016-EN Model NumberDescription Model Nomenclature Digit Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 70-125 Tons Digits 1,2 — Unit Model RT = Rotary Chiller Digit 3 — Unit Type A = Air Cooled Digit 4 — Development Sequence A = First Sequence Digit 5, 6 & 7 — Nominal Capacity 070 = ...
Page 14 - General Data
RLC-PRC016-EN 14 General Data Table G-1 — General Data RTAA — 70-125 Ton Size 70 80 90 100 110 125 Compressor Quantity 2 2 2 2 2 2 Nominal Size (1) (Tons) 35/35 40/40 50/40 50/50 60/50 60/60 Evaporator Water Storage (Gallons) 39.8 37.3 34.4 32.1 53.4 45.8 (Liters) 150.6 143.1 130.2 121.5 202.11 173....
Page 22 - Performance Data
RLC-PRC016-EN 22 Table P-2 — 60 Hz RTAA 80 Performance Data English Entering Condenser Air Temperature (Degrees F) LWT 75 85 95 105 115 (Deg. F) Tons kW EER Tons kW EER Tons kW EER Tons kW EER Tons kW EER 40 83.0 68.9 12.8 78.8 75.6 11.2 74.4 83.1 9.7 69.8 91.3 8.4 65.0 100.4 7.2 42 86.0 70.1 13.0 8...
Page 29 - Electrical Data
29 RLC-PRC016-EN Electrical Data Table E-1 — Electrical Data (50 & 60 Hz, 3 Phase) Unit Wiring Motor Data Fans Unit Rated # of Power Max. Fuse, HACR Rec. Time Compressor (Each) (Each) Control Size Voltage (9) Connections (1) MCA (3) Breaker or MOP (2,11) Delay or RDE (4) Qty RLA (5) LRA (8) Qty....
Page 32 - Controls; Microcomputer Controls
RLC-PRC016-EN 32 Controls Microcomputer Controls A microcomputer-based controllercontrols the air-cooled Series R ™ 70-125 ton chiller. The microcomputer controllerprovides better control than pastcontrols as well as several new,important benefits. Adaptive Control ™ Microprocessor The microcomputer...
Page 35 - Trane Controls System
35 RLC-PRC016-EN Trane Controls System Tracer Summit controls — Interface WithThe Trane Integrated Comfort System(ICS) Trane Chiller Plant Control The Tracer Summit Chiller Plant BuildingManagement System with Chiller PlantControl provides building automationand energy management functionsthrough st...
Page 37 - Other Control Systems
37 RLC-PRC016-EN Controls PC Workstation System LevelController MP581 ProgrammableController Air-cooled Series R ™ Chiller MP581 ProgrammableController Ice Tanks Boiler Pumps Simple Interface With Other ControlSystems Microcomputer controls afford simpleinterface with other control systems,such as t...
Page 38 - Ice Making Systems
RLC-PRC016-EN 38 Controls Ice Making Systems An ice making option may be orderedwith the air-cooled Series R ™ chiller. The unit will have two operating modes, icemaking and normal daytime cooling. Inthe ice making mode, the air-cooledSeries R ™ chiller will operate at full compressor capacity until...
Page 39 - Remote Display
39 RLC-PRC016-EN Remote Display The remote display option allows theoperator to monitor chiller operationfrom a remote location. Over 60 essentialchiller operating parameters can betransmitted between the unit controlmodule on the chiller and the remotedisplay via a bi-directionalcommunications link...
Page 40 - Dimensional Data
RLC-PRC016-EN 40 Dimensional Data Figure D-1 — RTAA 70-125 Unit Dimensions UNIT SIZE A B C D E F G K 70-100 .492m 1.213m 2.851m 102mm 4.940m 2.317m 1.549m 1.626m (1’-7 3/8”) (3’-11 3/4”) (9’-4 1/4”) (4”) (16’-2 1/2”) (7’-7 1/4”) (5’-1”) (5’-4”) 110-125 .479m 1.032m 3.499m 152mm 5.626m 2.661m 1.511m ...
Page 41 - Weights
41 RLC-PRC016-EN Weights Table W-1 — Packaged Unit Weights (Aluminum) Isolator Location Operating Shipping Unit Size Units 1 2 3 4 5 6 Weight Weight RTAA 70 lbs. 1582 1608 1212 1232 842 856 7332 7000 kg 718 729 550 559 382 388 3326 3175 RTAA 80 lbs. 1587 1613 1218 1237 848 862 7365 7049 kg 720 732 5...
Page 42 - Options
RLC-PRC016-EN 42 Options Low Temperature Brine The unit controls can be factory set tohandle low temperature brineapplications (0°F to 39°F). Ice Making The unit controls can be factory set tohandle ice making for thermal storageapplications. Building Automation SystemCommunication Interface Permits...
Page 45 - Chiller
45 RLC-PRC016-EN FeaturesSummary Reliability • Proven Trane helical rotary screw compressor design for longer life andgreater dependability. • Fewer moving parts means less parts to fail. Typical reciprocating compressorshave 4 times as many total parts and 15times as many critical parts. • Adaptive...