Trane 5TWR4 - Section 15. Checkout Procedures

18 18-BC117D1-1B-EN
1. Leak check refrigerant lines. ....................................... [ ]
2. Properly insulate suction lines and ttings. .................. [ ]
3. Properly secure and isolate all refrigerant lines. .......... [ ]
4. Seal passages through masonry.
If mortar is used, prevent mortar from coming
into direct contact with copper tubing. .......................... [ ]
5. Verify that all electrical connections are tight. .............. [ ]
6. Observe outdoor fan during on cycle for clearance
and smooth operation................................................... [ ]
7. Be sure that indoor coil drain line drains freely. Pour water
into drain pan................................................................ [ ]
8. Be sure that supply registers and return grilles are open
and unobstructed.......................................................... [ ]
Section 15. Checkout Procedures
15.1 Operational And Checkout Procedures
CHECKOUT PROCEDURE
After installation has been completed, it is recommended that the entire system be checked against the following list:
Final phases of this installation are the unit Operational and Checkout Procedures. To obtain proper performance, all units
must be operated and charge adjustments made.
Important: Perform a final unit inspection to be sure that factory tubing has not shifted during shipment. Adjust tubing if nec-
essary so tubes do not rub against each other when the unit runs. Also be sure that wiring connections are tight and properly
secured.
9. Be sure that a return air lter is installed. ..................... [ ]
10. Be sure that the correct airow setting is used.
(Indoor blower motor) ................................................... [ ]
11. Operate complete system in each mode to
ensure safe operation................................................... [ ]
12. Check that MCB or RDS is operational. ....................... [ ]
STEP 6 - Return to site for adjustment.
Important: Return in the spring or summer to accurately charge the system in the cooling mode with outdoor
ambient above 55º F.
STEP 5 - Complete the ‘Total System Charge’ charge rating label below and label located on the outside of the
unit with a permanent marker.
Note: Complete the ‘Total System Charge’ chart when nal charging is complete.
a. Charge added at Factory = ___________ lb/oz
b. Charge added at install = ___________ lb/oz
c. Total System Charge (a + b) = ___________ lb/oz