Table of Contents
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Installer's Guide
Split System Heat Pump
3-Phase, 230V
3-Phase, 460V
2 2 0 0 8 8 - - 2 2 3 3 0 0 V V M M O O D D E E L L
4TWA4036A3000A
4TWA4042A3000A
4TWA4048A3000A
4TWA4060A3000A
4 4 6 6 0 0 V V M M O O D D E E L L
4TWA4036A4000A
4TWA4042A4000A
4TWA4048A4000A
4TWA4060A4000A
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.
May 2020
S S A A F F E E T T Y Y W W A A R R N N I I N N G G
1 1 8 8 - - B B C C 9 9 7 7 D D 1 1 - - 1 1 D D - - E E N N
N N o o t t e e : : "Graphics in this document are for representation
only. Actual model may differ in appearance."
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Table of Contents
Related Manuals for Trane Technologies 4TWA4036A3000A
Summary of Contents for Trane Technologies 4TWA4036A3000A
- Page 1 Split System Heat Pump 3-Phase, 230V 3-Phase, 460V 2 2 0 0 8 8 - - 2 2 3 3 0 0 V V M M O O D D E E L L 4TWA4036A3000A 4TWA4042A3000A 4TWA4048A3000A 4TWA4060A3000A 4 4 6 6 0 0 V V M M O O D D E E L L...
- Page 2 SAFETY SECTION I I m m p p o o r r t t a a n n t t — This document contains service C C A A U U T T I I O O N N information. This is customer property and is to remain G G R R O O U U N N D D I I N N G G R R E E Q Q U U I I R R E E D D ! ! with this unit.
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Page 3: Table Of Contents
Table of Contents Unit Location Considerations ....4 Electrical — High Voltage ....16 . -
Page 4: Unit Location Considerations
Unit Location Considerations Table 1. Unit Dimensions and Weight H x D x W (in) Weight * (lb) Models 4TWA4036A3 29 x 34 x 37 4TWA4042A3 29 x 34 x 37 4TWA4048A3 33 x 34 x 37 4TWA4060A3 45 x 34 x 37 4TWA4036A4 29 x 34 x 37 4TWA4042A4... -
Page 5: Coastal Considerations
Table 3. Suggested Locations for Best Reliability Avoid Install • Ensure the top discharge area is unrestricted for at least 5 Near Bedrooms feet above the unit. • Provide at least 3 feet clearance in front of the control box (access panels) and any other side requiring service. -
Page 6: Unit Preparation
Unit Preparation 1. Check for damage and report promptly to the carrier any damage found to the unit. 2. To remove the unit from the pallet, remove tabs by cutting with a sharp tool. Setting Up the Unit Table 5. Pad Installation When installing the unit on a support pad, such as a concrete slab, consider the following: •... -
Page 7: Refrigerant Line Considerations
U U n n i i t t P P r r e e p p a a r r a a t t i i o o n n Refrigerant Line Considerations Table 6. Refrigerant Line and Service Valve Connection Sizes Line Sizes Service Valve Connection Sizes Vapor Line... - Page 8 U U n n i i t t P P r r e e p p a a r r a a t t i i o o n n Table 9. Refrigerant Line Insulation Important: The Vapor Line must always be insulated. DO NOT allow Vapor Line Liquid Line the Liquid Line and Vapor Line to come in direct (metal to...
- Page 9 U U n n i i t t P P r r e e p p a a r r a a t t i i o o n n Table 12. Isolation From Joist/Rafter 8 Feet Maximum Joist/Rafter Isolator Line Set Side View 8 Feet Maximum...
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Page 10: Refrigerant Line Brazing
Refrigerant Line Brazing Table 15. Braze the Refrigerant Lines Remove caps or plugs. Use a deburring tool to debur the pipe ends. Clean both internal and external surfaces of the tubing using an emery cloth. Remove the pressure tap cap and valve core from each service valves. - Page 11 R R e e f f r r i i g g e e r r a a n n t t L L i i n n e e B B r r a a z z i i n n g g Table 15.
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Page 12: Refrigerant Line Leak Check
Refrigerant Line Leak Check Table 16. Check for Leaks 150 PSIG Pressurize the refrigerant lines and evaporator coil to 150 PSIG using dry nitrogen. Check for leaks by using a soapy solution at each brazed location. Note: Remove nitrogen pressure and repair any leaks before continuing. -
Page 13: Service Valves
Service Valves Table 17. Open the Gas Service Valve 1/4 Turn Only Important: Leak check and evacuation must be completed before opening the service valves. Counterclockwise Note: Do not vent refrigerant gases into the atmosphere. for Full Open Position Remove valve stem cap. Using a wrench, turn valve stem 1/4 turn counterclockwise to the fully open position. -
Page 14: Electrical - Low Voltage
Electrical — Low Voltage Table 19. Low Voltage Maximum Wire Length 24 VOLTS The table defines the maximum total length of low voltage wiring WIRE SIZE MAX. WIRE LENGTH from the outdoor unit, to the indoor unit, and to the thermostat. 18 AWG 150 Ft 16 AWG... - Page 15 E E l l e e c c t t r r i i c c a a l l — — L L o o w w V V o o l l t t a a g g e e Table 21.
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Page 16: Electrical - High Voltage
Electrical — High Voltage Table 22. High Voltage Power Supply W W A A R R N N I I N N G G L L I I V V E E E E L L E E C C T T R R I I C C A A L L C C O O M M P P O O N N E E N N T T S S ! ! F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w t t h h i i s s W W a a r r n n i i n n g g c c o o u u l l d d r r e e s s u u l l t t i i n n p p r r o o p p e e r r t t y y d d a a m m a a g g e e , , s s e e v v e e r r e e p p e e r r s s o o n n a a l l i i n n j j u u r r y y , , o o r r d d e e a a t t h h . -
Page 17: System Start Up
System Start Up Set the system thermostat to OFF. DONE CANCEL Turn on electrical power disconnect(s) to apply power to the indoor and outdoor units. 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. -
Page 18: System Charge Adjustment
S S y y s s t t e e m m S S t t a a r r t t U U p p Set the system thermostat to ON. DONE CANCEL System Charge Adjustment Table 25. Temperature Measurements Check the outdoor temperatures. -
Page 19: Subcooling Charging In Cooling Between 55° F And 120° Od
Subcooling Charging in Cooling between 55° F and 120° OD Ambient Trane has always recommended installing Trane of (20) minutes to stabilize before accurate approved matched indoor and outdoor systems. measurements can be made. 4. Measure Liquid Line Temperature and Refrigerant The benefits of installing approved indoor and outdoor Pressure at service valves. -
Page 20: Charts
Subcool Charging Correction Charts SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE) SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE) Add 4° Add 1° 4° Add 1° Add 1° Add 2° Add 2° Add 1° 1° 1°... -
Page 21: Charging The Unit
Charging the Unit Important: ENSURE INDOOR BLOWER IS CONFIGURED FOR 400 CFM/TON Table 27. Proper Gage Pressure Using the Standard R-410A Subcool Charging Chart, adjust refrigerant level to attain proper gage pressure. Add refrigerant if the Liquid Gage Pressure is lower than the chart value. Connect gauges to refrigerant bottle and unit as illustrated. -
Page 22: Refrigerant Charging Chart
Refrigerant Charging Chart R-410A REFRIGERANT CHARGING CHART DESIGN SUBCOOLING (°F) LIQUID TEMP (°F) LIQUID GAGE PRESSURE (PSI) 18-BC97D1-1D-EN... -
Page 23: Checkout Procedures
Checkout Procedures The final phase of the installation is the system Checkout Procedures. The following list represents the most common items covered in a Checkout Procedure. Confirm all requirements in this document have been met. ☐ All wiring connections are tight and properly secured. ☐... - Page 24 Trane - by Trane Technologies (NYSE: TT), a global innovator - creates comfortable, energy efficient indoor environments for commercial and residential applications. For more information, please visit trane. com or tranetechnologies.com. The AHRI Certified mark indicates Trane U.S. Inc. participation in the AHRI Certification program. For verification of individual certified products, go to ahridirectory.
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