Table of Contents
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ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT - This Document is customer property and is to remain with this unit. Please return to service informa-
tion pack upon completion of work.
These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with
the installation. Should further information be desired or should particular problems arise which are not covered sufficiently for the
purchaser's purposes, the matter should be referred to your installing dealer or local distributor.
Note: The manufacturer recommends installing only approved matched indoor and outdoor systems. Some of the benefits of
installing approved matched indoor and outdoor split systems are maximum efficiency, optimum performance and the best overall
system reliability.
Table of Contents
Section 1. Safety ..................................................................................... 2
Section 2. Unit Location Considerations ............................................. 3
Section 3. Unit Preparation.................................................................... 4
Section 4. Setting the Unit ..................................................................... 5
Section 5. Refrigerant Line Considerations ......................................... 5
Section 6. Refrigerant Line Routing ..................................................... 6
Section 7. Refrigerant Line Brazing ...................................................... 7
Section 8. Refrigerant Line Leak Check ............................................... 9
Section 9. Evacuation .......................................................................... 10
Section 10. Service Valves .................................................................. 10
Section 11. Electrical - Low Voltage ................................................... 11
Section 12. Electrical - High Voltage .................................................. 12
Section 13. Start Up.............................................................................. 13
Section 14. System Charge Adjustment............................................. 14
Section 15. Checkout Procedures ...................................................... 19
Section 16. Refrigeration Circuits........................................................20
Section 17. Wiring Diagrams................................................................22
Section 18. Pressure Curves................................................................26
Installation and Operation Manual
Condensing Units
5TTR3018 - 060
18-AC127D1-1A-EN
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Summary of Contents for Trane 5TTR3018-060
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Page 1: Table Of Contents
18-AC127D1-1A-EN Installation and Operation Manual Condensing Units 5TTR3018 – 060 ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES IMPORTANT – This Document is customer property and is to remain with this unit. Please return to service informa- tion pack upon completion of work. -
Page 2: Section 1. Safety
Section 1. Safety WARNING WARNING The appliance shall be stored in a room without contin- Only qualified personnel should install and service the uously operating ignition sources (for examples: open equipment. The installation, starting up, and servicing flames, an operating gas appliance or an operating of heating, ventilating, and air-conditioning equipment electric heater). -
Page 3: Section 2. Unit Location Considerations
Section 2. Unit Location Considerations 2.1 Unit Dimensions and Weight Table 2.1 Unit Dimensions and Weight Models H x D x W (in) Weight* (lb) 5TTR3018A 29 x 26 x 29 5TTR3024A 29 x 26 x 29 5TTR3030A 29 x 30 x 33 5TTR3036A 29 x 30 x 33 5TTR3042A... -
Page 4: Section 3. Unit Preparation
2.3 Suggested Locations for Best Reliability Ensure the top discharge area is unrestricted for Avoid Install at least five (5) feet above the unit. Near Bedrooms Three (3) feet clearance must be provided in front of the control box (access panels) and any Min 5’... -
Page 5: Section 4. Setting The Unit
Section 4. Setting the Unit 4.1 Pad Installation When installing the unit on a support 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. •... -
Page 6: Section 6. Refrigerant Line Routing
5.4 Refrigerant Line Insulation Important: The Vapor Line must always be Vapor Line insulated. DO NOT allow the Liquid Line and Liquid Line Vapor Line to come in direct (metal to metal) Insulation contact. 5.5 Reuse Existing Refrigerant Lines CAUTION REFRIGERANT! Failure to inspect or use proper service tools may result in equipment damage or personal injury. -
Page 7: Section 7. Refrigerant Line Brazing
8 Feet Maximum Joist/Rafter Isolator Side View 8 Feet Maximum Line Set Secure Vapor line from joists using isolators every 8 ft. Secure Liquid Line directly to Vapor line using tape, wire, or other appro- priate method every 8 ft. Isolation From Joist/Rafter 8 Feet Maximum Wall... - Page 8 STEP 2 - Remove the pressure tap cap and valve cores from both service valves. STEP 3 - Purge the refrigerant lines and indoor coil with dry nitrogen. Purge the refrigerant lines and indoor coil with dry nitrogen. Note: A2L equipment shall have red marked service ports and pipes through which refriger- ant is serviced.
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Page 9: Section 8. Refrigerant Line Leak Check
STEP 5 - Replace the pressure tap valve cores and plastic tabs after the service valves have cooled. Section 8. Refrigerant Line Leak Check 8.1 Check For Leaks After completion of field piping for split systems, the field pipework shall be pressure tested with an inert gas and then vacuum tested prior to refrigerant charging, according to the following requirements: 1. -
Page 10: Section 9. Evacuation
Section 9. Evacuation 9.1 Evacuate the Refrigerant Lines and Indoor Coil Important: Do not open the service valves until the refrigerant lines and indoor coil leak check 0350 and evacuation are complete. Microns STEP 1 - Evacuate until the micron gauge reads no higher than 350 microns, then close off the valve to the vacuum pump. -
Page 11: Section 11. Electrical - Low Voltage
Section 11. Electrical - Low Voltage 11.1 Low Voltage Maximum Wire Length Table 11.1 Table 11.1 defines the maximum total length of 24 VOLTS low voltage wiring from the outdoor unit, to the WIRE SIZE MAX. WIRE LENGTH indoor unit, and to the thermostat. 18 AWG 150 Ft. -
Page 12: Section 12. Electrical - High Voltage
With Furnace With Variable Speed Furnace Outdoor Outdoor Thermostat Furnace Thermostat Furnace Unit Unit 24 VAC HOT 24 VAC HOT 24 VAC 24 VAC Common Common COOL COOL HEATING HEATING • Units with pigtails require wirenuts for connections. Cap all unused wires. •... -
Page 13: Section 13. Start Up
12.2 High Voltage Disconnect Switch Install a separate disconnect switch at the out- door unit. For high voltage connections, flexible electrical conduit is recommended whenever vibration transmission may create a noise problem within the structure. 12.3 High Voltage Ground Ground the outdoor unit per national, state, and local code requirements. -
Page 14: Section 14. System Charge Adjustment
STEP 3 - Turn on disconnect(s) to apply power to the indoor and outdoor units. STEP 4 - Wait one (1) hour before starting the unit if compressor crankcase heater acces- sory is used and the Outdoor Ambient is below 60 MIN. - Page 15 STEP 1 - Check the outdoor temperatures. 120º F Subcooling (in cooling mode) is the only recommended* method of charging above 55º F ambient outdoor tem- perature. 55º F Note: For Superheat (In Cooling Mode), refer to the Superheat Charging Table on pg 18. Outdoor Temp *Weigh-In Method can be used for initial installation, or system replacement when power is not available or...
- Page 16 STEP 3 - Stabilize the system by operating for a minimum of 20 minutes whenever charge is re- moved or added before accurate measurements can be made. 20 MIN. STEP 4 - Measure the liquid line temperature and pressure at the outdoor unit’s service valve. Measured Liquid Line Temp = __________ º...
- Page 17 STEP 6 - Adjust refrigerant level to attain proper gage pressure. Add refrigerant if the Liquid Gage Pressure is lower than the chart value. 1. Connect gages to refrigerant bottle and unit as illustrated. 2. Purge all hoses. 3. Open bottle. 4.
- Page 18 STEP 10 - If repairs must be made after system is charged, properly and safely remove and isolate refrigerant and purge the section of the system needing repair with inert gas or oxygen free nitrogen prior to opening the circuit. The refrigerant charge should be recovered into the correctly marked recovery cylinders.
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Page 19: Section 15. Checkout Procedures
Section 15. Checkout Procedures 15.1 Operational And Checkout Procedures Final phases of this installation are the unit Operational and Checkout Procedures. To obtain proper performance, all units must be operated and charge adjustments made. Important: Perform a final unit inspection to be sure that factory tubing has not shifted during shipment. Adjust tubing if nec- essary so tubes do not rub against each other when the unit runs. -
Page 20: Section 16. Refrigeration Circuits
Section 16. Refrigeration Circuits 018, 030 & 042 Models PRINTED FROM D158514P01 024 & 036 Models PRINTED FROM D157394P01 18-AC127D1-1A-EN... - Page 21 048 & 060 Models Printed from D159175 16.1 Refrigerant Detection System The approved ID/OD combination will provide sufficient safe ventilation. Airflow provided is sufficient to cover minimum room area including adjustments for altitude. All systems require a refrigerant detection system so no altitude adjustment factors are required. Installer must ensure refrigerant detection system is connected and placed in appropriate orientation per application.
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Page 22: Section 17. Wiring Diagrams
Section 17. Wiring Diagrams 018 - 048 Models 18-AC127D1-1A-EN... - Page 23 018 - 048 Models 18-AC127D1-1A-EN...
- Page 24 060 Models 18-AC127D1-1A-EN...
- Page 25 060 Models 18-AC127D1-1A-EN...
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Page 26: Section 18. Pressure Curves
Section 18. Pressure Curves PRESSURE CURVES (Refer below table for models) INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F. Cooling OD Model @SCFM OUTDOOR TEMPERATURE (Degree F) 5TTR3018A1 INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F. - Page 27 PRESSURE CURVES (Refer below table for models) INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F. Cooling OD Model @SCFM OUTDOOR TEMPERATURE (Degree F) 5TTR3024A1 5TTR3030A1 INDOOR ENTERING WET BULB CURVES 5TTR3036A1 TOP TO BOTTOM 71, 67, 63 AND 59 DEG F.
- Page 28 Trane has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.
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Questions and answers
5TTR3018A1 has R454b or R410a
The Trane 5TTR3018-060 uses R-454B refrigerant.
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