Trane RAUT 250 Installation Operation & Maintenance Download Page 2

2

RAUT-IOM-R410A

Model Nomenclature

1

10 

11 

12 

13 

14 

15    16

R

A

U

T

2

5

0

D

1

B

A 0

J

S

0

0

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 

 

600 = 600 MBH 

300 = 300 MBH 

 

500 = 500 MBH 

Digit No.8 = Electrical Rating / Utilization Range

 

D = 380-415V / 3Ph / 50Hz   

Digit No.9 = Factory Mounted Controls

 

1 = DOL (4 wire) starter (Micro-P)
2 = DOL (4 wire) starter (Carel-pCO5)

Digit No.11 = Minor/Major Design Sequence (Comp & Motor)

A = Modular RAUT Design

Digit No.12 = Factory Installed

0 = No Option
A = Corrosion Resistant Coated Fin (Blue Fin)
B = Hydrophobic Coating Fin
C = Copper Fin and Copper Tube

Digit No.13 = Refrigerant Type

J = R410A

Digit No.14 = Operation Ambient

S = Standard Ambient
H = High Ambient Option

Digit No.16 = Service Indicator

0 = No Option
A = with Crankcase Heater

Digit No.15 = Design Special - Liquid Line Accessories

0 = No Option
A = With Sight Glass
B = Add Suction and Liquid Shut off Valve
C = Shut-off Valve + Sight Glass
D = Serviceable Filter Drier + Shut-Off Valve Sight Glass
E = Serviceable Filter Drier + Shut-Off Valve Sight Glass + Ship Loose Solenoid Valve

Digit No.10 = Electric Equipment Option

 

0 = No Option
A = Circuit Breaker
B = BACNET CARD (for Carel-pCO5 only)

Summary of Contents for RAUT 250

Page 1: ...n be hazardous and requires specific knowledge and training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equi...

Page 2: ...No 11 Minor Major Design Sequence Comp Motor A Modular RAUT Design Digit No 12 Factory Installed 0 No Option A Corrosion Resistant Coated Fin Blue Fin B Hydrophobic Coating Fin C Copper Fin and Coppe...

Page 3: ...Contents Model Nomenclature System Precaution General Information General Data Installation Operation Maintenance Maintenance Compressor Trouble Analysis Dimensional Data Electrical Wiring 2 4 5 6 7 1...

Page 4: ...ing leakage of water etc Be sure to cut off the main power in case of setting up the indoor electronic control P C board or wiring works It could cause an electri shock Any presence of foreign substan...

Page 5: ...mail Notify the local Trane Sales Office Concealed damage must be reported within 15 days delivery Check the unit nameplate to confirm that the proper unit was shipped Available power supply must be c...

Page 6: ...00 26 100 29 000 49 500 29 000 49 500 Vendor Motor Type 710W 710W 900W 1800W 1800W Qty 2 2 2 2 2 Speed RPM 920 920 920 720 720 V ph Hz 380 3 50 380 3 50 380 3 50 380 3 50 380 3 50 RLA LRA each A 3 22...

Page 7: ...le of handling the weight of the unit Table 1 Clearances Provide sufficient clearance around the unit for performance of service and maintenance Caution unit operation is a function of the air tempera...

Page 8: ...t and dry nitrogen for leak testing a violent explosion may result 3 Always use a pressure regulator valves and gauges to control drum and line pressures when pressure testing the system Excessive pre...

Page 9: ...ety 2 Use copper conductors only for installation wiring Unit terminals are not designed to accept other type of wiring The use of aluminium wire may cause galvanic corrosion and or overheating at the...

Page 10: ...er full load in the compressor oil level sight glass The unit was charged with the proper amount of oil before shipping Under normal operation compressor oil is always expected to return to compressor...

Page 11: ...e 3B EXPANSION VALVE CAPILLARY TUBES SIGHT GLASS STRAINER LIQUID LINE FROM RECEIVER EXPANSION VALVE SOLENOID LIQUID VALVE EXPANSION VALVE EXPANSION VALVE THERMAL BULBS EXPANSION VALVE EQUALIZER LINES...

Page 12: ...recommended procedures The following procedures should be carried out by a qualified service technician as part of a maintenance contract The first and last visit will include the seasonal shut down...

Page 13: ...ction filter is required install it a minimum of 18 upstream of the compressor manifold piping See Figure 4 Caution Altering the original manifold piping may cause oil compressor failure This sequence...

Page 14: ...line but not on motor side or fuse Voltmeter does not read proper voltage Motor starter holding coil is not energized Compressor will not operate Open contact on high pressure switch Discharge pressu...

Page 15: ...obable cause Insufficient oil charge Clogged filter drier Liquid flooding back to compressor Recommended action All oil Replace Readjust superheat setting and verify correct bulb mounting F Compressor...

Page 16: ...Expansion valve opens too far a Adjust superheat and check flood back to compressor bulb attachment b Expansion valve stuck in open b Repair or replace position L Discharge pressure too high Problems...

Page 17: ...00 1693 0 222 2 208 0 67 4 146 7 SUCTION CONNECTION 1 5 8 1786 0 LIQUID CONNECTION 5 8 99 5 1588 0 99 5 RECOMMANDED CLEARANCE 1070 821 0 RECOMMANDED CLEARANCE 1524 RECOMMANDED CLEARANCE 1524 RECOMMAND...

Page 18: ...273 0 273 0 2206 0 1156 0 2380 3 RECOMMANDED CLEARANCE 1070 RECOMMANDED CLEARANCE 1524 464 0 183 0 578 0 297 1 128 0 SUCTION CONNECTION SIZE 1 5 8 LIQUID CONNECTION SIZE 5 8 RECOMMANDED CLEARANCE 152...

Page 19: ...RAUT IOM R410A 19 Electrical Wiring RAUT250 400 Micro P 1 2...

Page 20: ...20 RAUT IOM R410A Electrical Wiring RAUT250 400 Micro P 2 2...

Page 21: ...RAUT IOM R410A 21 Electrical Wiring RAUT500 600 Micro P 1 2...

Page 22: ...22 RAUT IOM R410A Electrical Wiring RAUT500 600 Micro P 2 2...

Page 23: ...RAUT IOM R410A 23 Electrical Wiring RAUT250 400 with Carel pCO5 1 2...

Page 24: ...t 1 ID10 J7 2 Low Pressure Switch Circuit 2 ID11 J7 3 High Pressure Switch Circuit 2 ID12 J7 4 Compressor 1 Overload Circuit 2 IDC9 J7 5 Common DI 9 12 ID13h J8 1 Not used ID13 J8 2 Compressor 2 Overl...

Page 25: ...RAUT IOM R410A 25 Electrical Wiring RAUT500 600 with Carel pCO5 1 2...

Page 26: ...t 1 ID10 J7 2 Low Pressure Switch Circuit 2 ID11 J7 3 High Pressure Switch Circuit 2 ID12 J7 4 Compressor 1 Overload Circuit 2 IDC9 J7 5 Common DI 9 12 ID13h J8 1 Not used ID13 J8 2 Compressor 2 Overl...

Page 27: ...RAUT IOM R410A 27 Note...

Page 28: ...ations without notice We are committed to using environmentally conscious print practices Trane by Trane Technologies NYSE TT a global climate innovator creates comfortable energy efficient indoor env...

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