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Installation Operation
Maintenance
RAUT - Commercial
Split System
Condensing Units
20-55 Tons
Models
RAUT 250
RAUT 300
RAUT 400
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of
heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
Improperly installed, adjusted or altered equipment by an unqualified pers on could result in death or serious injury.
When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are
attached to the equipment.
DECEMBER 2021
RAUT 500
RAUT 600
SAFETY WARNING
RAUT-IOM-R410A
690883980001
Confidential and proprietary Trane information
R410A
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Table of Contents
Related Manuals for Trane RAUT 250
Summary of Contents for Trane RAUT 250
- Page 1 Improperly installed, adjusted or altered equipment by an unqualified pers on could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment. RAUT-IOM-R410A DECEMBER 2021 690883980001 Confidential and proprietary Trane information...
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Page 2: Model Nomenclature
Model Nomenclature Digit No.1 = Product Type R = Remote Condensing Unit Digit No.2 = Product Type A = Air Cooled Digit No.3 = Product Type U = Unit Up-Flow Air Flow Digit No.4 = Development Sequence T = Major Development Digit No.5, 6, and 7 = Nominal Gross Capacity (MBH) 250 = 250 MBH 400 = 400 MBH... -
Page 3: Table Of Contents
Contents Model Nomenclature System Precaution General Information General Data Installation Operation / Maintenance Maintenance Compressor Trouble Analysis Dimensional Data Electrical Wiring RAUT-IOM-R410A... -
Page 4: System Precaution
System Precautions Safety Precautions WARNING • Attach the electrical cover to the indoor unit and the To prevent injury to the user or other people and property service panel to the outdoor unit securely. damage, the following instructions must be followed. •... -
Page 5: General Information
Handling letter of protest to the last carrier of the goods within 72 hours of delivery. Notify the local Trane Sales Office at the same The unit will be supplied within shipping base and protective time. The unit should be totally inspected within 15 days of packaging over the unit casing. -
Page 6: General Data
General Data Model name RAUT250 RAUT300 RAUT400 RAUT500 RAUT600 Power Supply ,V,Hz 3,380,50 3,380,50 3,380,50 3,380,50 3,380,50 MCA1 50.99 65.615 70.5 94.75 122.375 Mode TYPE R410a R410a R410a R410a R410a Production Ref charging amout 17.0 17.0 18.5 17 x2 17 x2 Type Scroll Scroll... -
Page 7: Installation
A specific lifting method is recommended as follows: 1. Four lifting points are built into the unit This manual cover the installation of the RAUT 250, RAUT 300 2. Slings and spreader bar to be provided by rigger and attached (single circuit), and RAUT 400, RAUT 500, RAUT 600 (dual circuilts) to the four lifting points. - Page 8 Motor Data Model Power Voltage Max. Fuse Size r Fan Connection Range @380V @380 Qty RLA@380V(each) LRA@380V(each) Qty Hp (each) RLA@380V (each) RAUT 250 380V/3ph/50Hz 380-415 51.0 70.8 19.8 1.20 3.22 RAUT 300 380V/3ph/50Hz 380-415 65.6 91.9 26.3 1.20 3.22 RAUT 400 380V/3ph/50Hz 380-415 128.9...
- Page 9 Wiring diagrams are furnished with the units, but extra Caution : copies may be obtained from the local Trane sales office. Phase unbalance must not exceed 2% . Supply for all The installing contractor is to provide and install fused...
- Page 10 Installation Oil level Refrigerant charging Oil should be visible in the compressor, under full load, in After the refrigeration pipework system has been pressure the compressor oil level sight glass. The unit was charged tested and evacuated, and meets the vacuum pressure with the proper amount of oil before shipping.
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Page 11: Operation / Maintenance
Trance compressors. conditions>>. If the pressure is above or below the normal The use of any oil not conforming to Trane required level, stop the unit and correct the cause. standard is at the sole responsibility of the user and 8.On Scrolls, compressor sightglass oil levels may be... -
Page 12: Maintenance
** In shaded region, use 2 1/8 for all horizontal runs, and 1 5/8 for all vertical risers. However, for correct and proper pipe sizing, it is recommended to size piping based on Trane recommended piping guide or use computer aided... -
Page 13: Compressor
Compressor This sequence is of most importance Compressor The scroll compressors in the RAUT because it maximizes lubrication and units do not unload. Instead, they are Motor Winding Ther mostat ensure proper oil return. Secondly, the staged on and off for various steps of Each motor winding thermostat is a design of the oil return with equalizer loading. -
Page 14: Trouble Analysis
Burned-out holding coil or broken Repair or replace. contacts. Open contacts of safety control of Safety control of thermal overload Call Trane Service. thermal overload. relays has cut outs. Electric circuit test shows no current a) Power failure. Check for blown line fuse or on line side of motor starter. - Page 15 Trouble Analysis C. Compressor shortcycles Problems and symptoms Probable cause Recommended action Suction pressure too low and Restricted liquid liner driver. Replace driver core. frosting at driver. Motor starts and stops frequently Faulty motor. Replace compressor. D. Compressor runs Continuously Problems and symptoms Probable cause Recommended action...
- Page 16 Trouble Analysis H. Discharge pressure too high Problems and symptoms Probable cause Recommended action Too little or too warm condenser air. Excessively warm air leaving Clean coil, check fan and motor condenser. for proper operation. Restricted air flow. Cuts out on high pressure control. Excessive discharge pressure.
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Page 17: Dimensional Data
Dimensional Data RAUT250-400 RECOMMANDED RECOMMANDED CLEARANCE 1524 CLEARANCE 1524 1786,0 RECOMMANDED RECOMMANDED CLEARANCE 1524 CLEARANCE 915 1693,0 SUCTION CONNECTION 1-5/8" LIQUID CONNECTION 5 / 8" 222,2 208,0 67,4 99,5 1588,0 99,5 146,7 821,0 RAUT-IOM-R410A... - Page 18 Dimensional Data RAUT500/600 1156,0 2206,0 RECOMMANDED RECOMMANDED RECOMMANDED RECOMMANDED CLEARANCE 1524 CLEARANCE 915 CLEARANCE 1524 CLEARANCE 610 2380,3 SUCTION CONNECTION SIZE 1-5/8" LIQUID CONNECTION SIZE 5 / 8 " 128,0 183,0 297,1 464,0 273,0 1660,0 273,0 578,0 RAUT-IOM-R410A...
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Page 19: Electrical Wiring
Electrical Wiring RAUT250-400 Micro-P (1/2) RAUT-IOM-R410A... - Page 20 Electrical Wiring RAUT250-400 Micro-P (2/2) RAUT-IOM-R410A...
- Page 21 Electrical Wiring RAUT500/600 Micro-P (1/2) RAUT-IOM-R410A...
- Page 22 Electrical Wiring RAUT500/600 Micro-P (2/2) RAUT-IOM-R410A...
- Page 23 Electrical Wiring RAUT250-400 with Carel pCO5 (1/2) RAUT-IOM-R410A...
- Page 24 Electrical Wiring RAUT250-400 with Carel pCO5 (2/2) J1-1 24Vac Power Supply J1-2 Power Supply Reference J24-1 Additional Power Supply for Aria J24-2 Power Supply Common J24-3 Power Supply for 0/5V Ratiometric Probe J2-1 Evaporating Pressure, Circuit 1 J2-2 Evaporating Pressure, Circuit 2 J2-3 Remote Setpoint J2-4...
- Page 25 Electrical Wiring RAUT500/600 with Carel pCO5 (1/2) RAUT-IOM-R410A...
- Page 26 Electrical Wiring RAUT500/600 with Carel pCO5 (2/2) J1-1 24Vac Power Supply J1-2 Power Supply Reference J24-1 Additional Power Supply for Aria J24-2 Power Supply Common J24-3 Power Supply for 0/5V Ratiometric Probe J2-1 Evaporating Pressure, Circuit 1 J2-2 Evaporating Pressure, Circuit 2 J2-3 Remote Setpoint J2-4...
- Page 27 Note RAUT-IOM-R410A...
- Page 28 For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.
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