Trane 4TTR5030N User Manual

18-AC123D1-1B-EN
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.
Condensing Units
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.
4TTR5018 – 060
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 ............................................................................ 9
Section 10. Service Valves .................................................................. 10
Section 11. Electrical - Low Voltage ................................................... 10
Section 12. Electrical - High Voltage .................................................. 13
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

Trane 4TTR5030N Specifications

General

Type	Heat Pump
Cooling Capacity	2.5 tons
Cooling Capacity (BTU)	30000 BTU
Heating Capacity	30000 BTU
Refrigerant	R-410A
Stages	Single-stage
Voltage	208/230V
Phase	1
Compressor Type	Scroll

Summary

Section 1. Safety

General Warnings

Covers electrical hazards, refrigerant handling, user capabilities, and child safety.

Section 2. Unit Location Considerations

Suggested Locations for Best Reliability

Recommends placement for optimal airflow, clearance, and noise reduction.

Section 4. Setting the Unit

Pad Installation

Section 6. Refrigerant Line Routing

Precautions

Guidelines for routing lines to prevent noise, vibration, and ensure proper installation.

Section 7. Refrigerant Line Brazing

Braze The Refrigerant Lines

Continues brazing steps, including purging, using wet rags, and installing filter driers.

Section 8. Refrigerant Line Leak Check

Check For Leaks

Procedure for pressurizing lines with nitrogen and checking for leaks with soapy solution.

Section 9. Evacuation

Evacuate the Refrigerant Lines and Indoor Coil

Steps for evacuating the system to a specific micron level.

Section 11. Electrical - Low Voltage

Low Voltage Hook-up Diagrams

Section 12. Electrical - High Voltage

High Voltage Power Supply

Warnings about live electrical components and power supply requirements.

Section 13. Start Up

System Start Up

Section 14. System Charge Adjustment

Temperature Measurements

Instructions for measuring outdoor/indoor temperatures and recommended charging methods.

Subcooling Charging in Cooling

Instructions for adjusting refrigerant levels, stabilizing, and verifying charge.

Fixed Orifice Superheat Charging Table

Table for determining superheat charge based on indoor wet bulb and outdoor dry bulb temps.

Weigh-In Method for Charging

Section 15. Checkout Procedures

Operational And Checkout Procedures

Comprehensive list of checks to ensure proper system operation and installation quality.

Section 17. Wiring Diagrams

4TTR5018 - 048 Models Wiring Diagram

4TTR5060 Models Wiring Diagram

Section 18. Pressure Curves

Pressure Curves for 4TTR5018N1

Pressure Curves for 4TTR5024N1, 4TTR5030N1, 4TTR5036N1, 4TTR5042N1, 4TTR5048N1

Pressure Curves for 4TTR5060N1