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S

SA

AF

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ET

TY

Y W

WA

AR

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NIIN

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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 person 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.

October 2018

1

18

8--B

BC

C9

99

9D

D1

1--1

1B

B--E

EN

N

Side Discharge HP Models

For coastal applications where units are installed within one (1) mile of salt water, epoxy coated models are recommended.
These models have an 8 week lead time after order.

E

Ep

po

ox

xy

y C

Co

oa

atte

ed

d M

Mo

od

de

ell

4TWL6018A1000A
4TWL6024A1000A
4TWL6030A1000A
4TWL6036A1000A
4TWL6042A1000A
4TWL6048A1000A
4TWL6060A1000A

4TWL6018A1COTA
4TWL6024A1COTA
4TWL6030A1COTA
4TWL6036A1COTA
4TWL6042A1COTA
4TWL6048A1COTA
4TWL6060A1COTA

N

No

otte

e:: “Graphics in this document are for

representation only. Actual model may differ in
appearance.”

Installer’s Guide

Summary of Contents for Trane 4TWL6018A1000A

Page 1: ...and labels that are attached to the equipment October 2018 1 18 8 B BC C9 99 9D D1 1 1 1B B E EN N Side Discharge HP Models For coastal applications where units are installed within one 1 mile of sal...

Page 2: ...pr ro op pe er r p pr ro oc ce ed du ur re es s c ca an n r re es su ul lt t i in n p pe er rs so on na al l i il ll ln ne es ss s o or r i in nj ju ur ry y o or r s se ev ve er re e e eq qu ui ip pm...

Page 3: ...Line and Indoor Coil Evacuation 14 Service Valves 15 Electrical Low Voltage Non Communicating 16 Low Voltage Hook up Diagrams 16 Electrical High Voltage 17 System Start Up 18 Subcooling Charging in Co...

Page 4: ...14 5 16 5 17 5 145 4TWL6030A 36 75 x 17 1 2 x 47 32 75 47 0 36 75 17 5 19 5 20 5 195 4TWL6036A 36 75 x 17 1 2 x 47 32 75 47 0 36 75 17 5 19 5 20 5 215 4TWL6042A 36 75 x 17 1 2 x 47 32 75 47 0 36 75 17...

Page 5: ...150 feet 2 The maximum vertical change should not exceed 50 feet 3 Service valve connection diameters are shown in Refrigerant Line and Service Valve Connection Size Chart 50 Max Vertical Change Stan...

Page 6: ...f the outdoor unit must be a minimum of 6 from any wall or surrounding shrubbery to ensure adequate airflow Note 2 Required for Service Panel Access Min 20 clearance to obstruction Fan Side Min 6 clea...

Page 7: ...lation and prolonged below freezing temperatures occur Units should be elevated 3 12 inches above the pad or rooftop depending on local weather This additional height will allow drainage of snow and i...

Page 8: ...port pad such as a concrete slab consider the following The pad should be at least 1 larger than the unit on all sides The pad must be separate from any structure The pad must be level The pad should...

Page 9: ...required for the outdoor condensing unit fifteen 15 feet of tested connecting line and the smallest indoor evaporative coil match See unit nameplate If connecting line length exceeds fifteen 15 feet a...

Page 10: ...ld de er re ed d For retrofit applications where the existing indoor evaporator coil and or refrigerant lines will be used the following precautions should be taken Ensure that the indoor evaporator...

Page 11: ...ery 8 ft Table 14 Isolation In Wall Spaces Side View Isolator Line Set 8 Feet Maximum Wall 8 Feet Maximum Secure Vapor Line from joists using isolators every 8 ft Secure Liquid Line directly to insula...

Page 12: ...tool to debur the pipe ends Clean both internal and external surfaces of the tubing using an emery cloth 2 Remove the pressure tap cap and valve core from each service valves 3 Purge the refrigerant l...

Page 13: ...ay from outdoor unit and toward evaporator coil as illustrated Braze the filter drier to the Liquid Line 6 Continue the dry nitrogen purge Do not remove the wet rag until all brazing is completed Impo...

Page 14: ...t Do not open the service valves until the refrigerant lines and indoor coil leak check and evacuation are complete 1 Evacuate until the micron gauge reads no higher than 350 microns then close off t...

Page 15: ...i in n p pe er rs so on na al l i in nj ju ur ry y a an nd d o or r p pr ro op pe er rt ty y d da am ma ag ge e E Ex xt tr re em me e c ca au ut ti io on n s sh ho ou ul ld d b be e e ex xe er rc ci...

Page 16: ...300 Ft Low Voltage Hook up Diagrams With TEM 3 4 6 8 Thermostat Air Handler Outdoor Unit R G B W1 W2 R B O Y X2 R G B C O Y W Blue 24 VAC HOT FAN 24 VAC Common SOV COOL HEAT 1st STAGE HEATING 2nd STAG...

Page 17: ...High Voltage Disconnect Switch W WA AR RN NI IN NG G H HI IG GH H L LE EA AK KA AG GE E C CU UR RR RE EN NT T F Fa ai il lu ur re e t to o f fo ol ll lo ow w t th hi is s W Wa ar rn ni in ng g c co o...

Page 18: ...r to the indoor and outdoor units ON OFF 3 Wait one 1 hour before starting the unit if compressor crankcase heater accessory is used and the Outdoor Ambient is below 70 F 60 MIN 4 Set the system therm...

Page 19: ...em heat if needed 3 At startup or whenever charge is removed or added the system must be operated for a minimum of 20 minutes to stabilize before accurate measurements can be made 4 Measure Liquid Lin...

Page 20: ...120 F 55 F For best results the indoor temperature should be kept between 70 F to 80 F 80 F 70 F Table 25 Subcooling Charging Corrections Determine the final subcooling value using total Line Length a...

Page 21: ...1 215 65 211 215 218 222 225 229 232 70 229 232 236 240 243 247 251 75 247 251 255 259 263 267 271 80 267 271 275 279 283 287 291 85 287 291 296 300 304 309 313 90 309 313 318 322 327 331 336 95 331 3...

Page 22: ...50 4 40 30 25 Use Design Subcooling 15 1 10 0 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Add 1 Add 2 REFRIGERANT LINE LIFT FT SUBCOOL CHARGING CHART CORRECTIONS TABLE FOR LINE LENGTH AND RISE TO...

Page 23: ...Subcooling Value ________________________ F 107 F Table 28 Verify Performance 4 Refer to System Pressure Curves in the Service Facts document to verify typical performance PRESSURE CURVE SAMPLE Coolin...

Page 24: ...3 14 16 18 20 22 24 25 27 28 30 31 95 4 6 8 10 13 14 16 18 20 22 23 25 26 28 29 1 00 6 8 10 12 13 16 18 20 21 23 25 27 29 1 05 4 6 7 9 11 13 15 18 20 22 24 26 28 1 10 4 7 9 11 13 16 18 21 23 26 28 1 1...

Page 25: ...if the Liquid Gage Pressure is higher than the chart value 107 F Table 31 System Information 9 Record system pressures and temperatures after charging is complete Outdoor model number _______________...

Page 26: ...ng shipment Adjust tubing if necessary so tubes do not rub against each other or any component when unit runs Ductwork is sealed and insulated All drain lines are clear with joints properly sealed Pou...

Page 27: ...e present at contactor coil Replace contactor Check control transformer and control fuse Is the control transformer and fuse good Jumper R to Y low voltage terminals at thermostat sub base Does the co...

Page 28: ...28 18 BC99D1 1B EN Troubleshooting Does a resistance check show an open circuit between R and S T Tr ro ou ub bl le es sh ho oo ot ti in ng g...

Page 29: ...18 BC99D1 1B EN 29 N No ot te es s...

Page 30: ...30 18 BC99D1 1B EN N No ot te es s...

Page 31: ...18 BC99D1 1B EN 31 N No ot te es s...

Page 32: ...a global business committed to a world of sustainable progress and enduring results ingersollrand com The AHRI Certified mark indicates Ingersoll Rand participation in the AHRI Certification program...

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