Trane 4TWA3 Heat Pump User Manual


 
Trane
A business of
American Standard Companies
www.trane.com
Trane has a policy of continuous product and product data improvement and it reserves the right to change
design and specifications without notice.
Installer’s Guide
18-BC62D1-1
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. ................................................... [ ]
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
P.I. 9/06