Trane 4TTL5024N1000A User Manual

SSAAFFEETTYY WWAARRNNIINNGG
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.
June 2022
1188--AACC112266DD11--11AA--EENN
Side Discharge AC 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.
EEppooxxyy CCooaatteedd MMooddeell
4TTL5024N1000A
4TTL5030N1000A
4TTL5036N1000A
4TTL5042N1000A
4TTL5048N1000A
4TTL5024N1COTA
4TTL5030N1COTA
4TTL5036N1COTA
4TTL5042N1COTA
4TTL5048N1COTA
NNoottee:: “Graphics in this document are for representation
only. Actual model may differ in appearance.”
Installation and Operation Manual

Trane 4TTL5024N1000A Specifications

General

Brand	Trane
Model	4TTL5024N1000A
Category	Air Conditioner
Language	English

Summary

SAFETY SECTION

Unit Location Considerations

Refrigerant Piping Limits

Specifies maximum lengths and vertical changes for refrigerant lines.

Suggested Locations for Best Reliability

Guidance on optimal placement for unit performance and airflow.

Cold Climate Considerations

Precautions for units installed in areas with snow and freezing temperatures.

Coastal Considerations

Recommendations for units installed near salt water environments.

Unit Preparation

Setting Up the Unit

Pad Installation

Guidelines for installing the unit on a support pad, ensuring proper drainage and leveling.

Refrigerant Line Considerations

Refrigerant Line and Service Valve Connection Sizes

Details the required sizes for vapor and liquid refrigerant lines and their connections.

Factory Charge

Information on the initial refrigerant charge provided by the factory.

Required Refrigerant Line Length

Determining the necessary line length and lift for system charging calculations.

Refrigerant Line Insulation

Importance of insulating the vapor line to maintain system efficiency.

Reuse Existing Refrigerant Lines

Precautions to take when reusing existing refrigerant lines in retrofit applications.

Refrigerant Line Routing Precautions

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

Isolation From Joist/Rafter

Methods for isolating line sets from structural elements like joists and rafters.

Isolation In Wall Spaces

Techniques for isolating refrigerant lines within wall cavities.

Isolation Through Wall

Proper methods for sealing and isolating refrigerant lines passing through walls.

Refrigerant Line Brazing

Refrigerant Line Leak Check

Refrigerant Line and Indoor Coil Evacuation

Service Valves

Open the Gas Service Valve

Procedure for properly opening the gas service valve.

Open the Liquid Service Valve

Procedure for safely opening the liquid service valve, with warnings.

Electrical — Low Voltage Non Communicating

Low Voltage Maximum Wire Length

Defines maximum lengths for low voltage wiring based on wire gauge.

Low Voltage Hook-up Diagrams

Wiring diagrams illustrating thermostat, air handler, and outdoor unit connections.

Electrical — High Voltage

High Voltage Power Supply

Information on high voltage power requirements and safety precautions.

High Voltage Disconnect Switch

Guidance on installing and using a high voltage disconnect switch.

System Start Up

Subcooling Charging in Cooling between 55° F and 120° OD Ambient

System Charge Adjustment

Temperature Measurements

Procedures for measuring temperatures to ensure correct system charging.

Subcooling Charging Corrections

Worksheet for calculating subcooling adjustments based on line length and lift.

Refrigerant Charging Chart

Subcool Charging Charts

Charging the Unit

Stabilize the system

Waiting period required for system conditions to stabilize before adjustments.

Proper Gage Pressure

Measuring and recording liquid line temperature and pressure.

Verify Performance

Referencing system pressure curves to confirm operational performance.

Adjusting Refrigerant Pressure

Adjusting refrigerant level based on gauge pressure and chart values.

System Information

Recording system pressures and temperatures after charging is complete.

Checkout Procedures

Wiring Diagrams

2.0, 2.5 and 3.0 Ton Models

Wiring diagram for specific ton models, including legend and notes.

2.0, 2.5 and 3.0 Ton Models - Figure 5

Wiring diagram illustrating connections for various components and models.

3.5 and 4.0 Ton Models - Figure 6

Wiring diagram for 3.5 and 4.0 ton models, detailing electrical connections.

3.5 and 4.0 Ton Models - Figure 7

Electrical schematic for 3.5 and 4.0 ton models, showing component interconnections.

Pressure Curves

2.0 and 2.5 Ton Models - Figure 8

Pressure curves for 2.0 and 2.5 ton models, illustrating performance at different temperatures.

3.0 Ton Models - Figure 9

Pressure curves for 3.0 ton models, showing cooling performance relationships.

3.5 and 4.0 Ton Models - Figure 10

Pressure curves for 3.5 and 4.0 ton models, detailing cooling performance data.