Trane 4TWL9036A1000A User Manual

Installer’s Guide
March 2020
18-BC100D1-1C-EN
SAFETY WARNING
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 pre-
cautions in the literature and on the tags, stickers, and labels that are attached to the equipment.
Epoxy Coated Model
4TWL9024A1000A 4TWL9024A1COTA
4TWL9036A1000A 4TWL9036A1COTA
4TWL9048A1000A 4TWL9048A1COTA
4TWL9060A1000A 4TWL9060A1COTA
Note: “Graphics in this document are for representation only.
Actual model may differ in appearance.”
Variable Speed ComfortLink™ II
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.

Trane 4TWL9036A1000A Specifications

General

Model	4TWL9036A1000A
Brand	Trane
Phase	1
Maximum External Static Pressure	0.8 in. wc
Refrigerant Type	R-410A
Cooling Capacity	3 Ton
Cooling Capacity (BTU)	36000 BTU
Heating Capacity (BTU/h)	36000 BTU/h
Coil Type	Aluminum
Drain Connection Size	3/4 inch
Width	21 inches

Summary

Safety Guidelines and Warnings

Electrical and Refrigerant Hazards

Details electrical hazards, refrigerant oil properties, and safe handling procedures.

Thermal, Grounding, and Brazing Safety

Addresses risks of burns, importance of grounding, and proper brazing techniques.

California Proposition 65 Health Advisory

Informs about chemicals known to cause cancer or reproductive harm in California.

High Voltage and Wind Electrical Risks

Alerts to dangers of live electrical components and potential fan movement.

Unit Installation and Location Requirements

Unit Dimensions, Location, and Clearances

Provides unit dimensions and recommendations for optimal placement and airflow.

Piping Limits and Environmental Installation

Covers refrigerant piping limits, environmental factors, and pad installation.

Refrigerant System Installation Procedures

Refrigerant Line Sizing, Insulation, and Routing

Covers line sizes, insulation requirements, and vibration dampening techniques.

Brazing, Leak Testing, and Evacuation

Outlines brazing, leak testing, and system evacuation processes.

Electrical Connections and Service Valves

Low and High Voltage Electrical Connections

Details low voltage wiring and high voltage power supply safety.

Service Valve Operation

Step-by-step guide for opening and closing service valves.

System Operation and Charging

System Start-Up and Operation

Guides through the initial power-on and system initiation process.

Refrigerant Charge Adjustment and Verification

Explains charge adjustment using subcooling, charts, and pressure verification.

Low Temperature Charging Method

Details the specific method for charging in heating mode below 55°F.

Control System and Final Checks

LED Indicators and Control Display Navigation

Explains LED indicators and how to navigate the CDA control display.

Demand Defrost Control

Details the demand defrost function and how to initiate it.

Final Installation Checkout Procedure

A comprehensive list of checks to ensure correct installation.