Trane 4TWA3 Installer’s Guide, Mounting Hole Location, Checkout Procedure, For model base size

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