Mounting Hole Location, Checkout Procedure

Installer’s Guide

MOUNTING HOLE LOCATION

NOTE: ALL DIMENSIONS ARE IN MM (INCHES).

NOTE:

For model base size,

see table on page 7.

From Dwg. 21D152989 Rev. 0

CHECKOUT PROCEDURE

After installation has been completed, it is recommended that the entire system be checked against the following list:

1.	Refrigerant Line, Leak checked	[	]
2.	Suction Lines and Fittings properly insulated	[	]
3.	Have all Refrigerant Lines been secured and
	isolated properly?	[	]

4.Have passages through masonry been sealed? If mortar is used, prevent mortar from coming

	into direct contact with copper tubing	[	]
5.	Verify tightness of all electrical connects	[	]
6.	Observe outdoor fan during on cycle for clearance
	and smooth operation	[	]
7.	Indoor coil drain line drains freely. Pour water
	into drain pan	[	]

8.	Supply registers and return grilles open and
	unobstructed	[	]
9.	Return air filter installed	[	]
10.	Thermostat thermometer is accurate. Check
	against a reliable thermometer. Adjust per
	instructions with thermostat	[	]
11.	Is correct speed tap being used?
	(Indoor blower motor)	[	]
12.	Operate complete system in each mode to
	insure safe operation	[	]

Trane

A business of	Trane has a policy of continuous product and product data improvement and it reserves the right to change
American Standard Companies
www.trane.com	design and specifications without notice.

18-BC62D1-1

P.I. 9/06

4TWA3 specifications

The Trane 4TWA3 is a highly efficient air conditioning unit designed to provide exceptional cooling performance for residential and light commercial applications. Known for its advanced technology and innovative features, the 4TWA3 has become a popular choice among homeowners looking for reliable climate control.

One of the standout features of the Trane 4TWA3 is its variable-speed compressor. This technology enables the unit to adjust its cooling capacity based on the current temperature and humidity levels, ensuring optimal comfort while maintaining energy efficiency. By operating at varying speeds, the compressor uses less energy compared to traditional single-speed units, ultimately resulting in lower utility bills.

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The Trane 4TWA3 also incorporates a user-friendly control system, enabling homeowners to easily manage their indoor climate. With advanced thermostat options, including programmable and smart thermostats, users can customize their cooling schedules, further enhancing energy savings.

Moreover, installation and maintenance of the 4TWA3 are straightforward, with Trane offering comprehensive support through their network of certified professionals. This ensures that the unit performs at its best for years to come.

In conclusion, the Trane 4TWA3 combines advanced technology with high efficiency, robustness, and user-friendly features. Its variable-speed compressor, impressive SEER rating, durable construction, and smart control options make it an exceptional choice for those seeking reliable and effective air conditioning solutions. Whether for residential or light commercial use, the 4TWA3 stands out as a testament to Trane's commitment to quality and performance in modern climate control systems.

Installer’s Guide