Carrier TRANSICOLD PrimeLINE 69NT40-571-001 Operation And Service Manual Download

Page: 128 / 186

T-372

7–12

11. Unbraze the inlet connection to the coil.
12. Remove the cushion clamps securing the liquid line to the top and bottom receiver brackets. Retain all

clamps and securing hardware.

13. Place a support under the condenser coil before releasing the coil from the frame.
14. Remove the lower mounting bracket bolts from the inside of the coil.
15. Remove the top mounting bracket bolts and grille extension mount from inside the coil.
16. Remove the side support bracket mounting bolts.
17. Slide the condenser assembly with the receiver out of the unit.

7.11.3

Condenser Coil Preparation

Before installing the new condenser coil, the receiver assembly and mounting hardware must be removed from the

old coil assembly.

1. From the old coil, unbolt the receiver assembly from the side support bracket.
2. Unbraze the receiver assembly from the coil outlet line and remove from the coil assembly.
3. Unbolt the side support bracket from the top and bottom coil supports and remove from the old coil.
4. Refit the side support bracket to the new coil ensuring that the top and bottom are flush mounted with the

coil support.

7.11.4

Condenser Coil Installation

Once the side support bracket has been secured to the new condenser coil, the entire assembly is ready to be

installed into the unit.

1. Slide the new condenser coil into place ensuring the coil inlet connection is mated to the pipework and that

the coil is fully supported.

2. Secure the condenser coil into the unit using the retained hardware; refit the mylar and fender washers:

a. Refit the side support bracket bolts.
b. Refit the top support bracket bolts as well as the top grille extension support.
c. Refit the bottom support bracket bolts.

3. Braze the condenser coil inlet connection.
4. Insert the receiver pipe work onto the coil outlet and loosely secure the receiver assembly to the side

support bracket with the retained hardware.

5. Braze the outlet connection to the receiver assembly.
6. Install a new filter drier.
7. Replace the liquid line cushion clamps.
8. Secure the receiver assembly to the side support bracket.
9. Pressure / leak test the coil and filter drier connections. See

Section 7.5

10. Evacuate the entire unit. See

Section 7.6

11. Slide the top and bottom drain lines back into place through the side support bracket.
12. Using the two supplied straight connectors and contact adhesive, reconnect the drain lines.
13. Slide the condenser fan motor wiring harness back through the side support bracket and refit to the

condenser motor.

14. Replace all wire ties that were removed to properly secure the drain line and wiring.
15. Reseal the wire harness and drain line penetrations with the putty.
16. Slide the condenser fan onto the motor shaft reversed but do not secure.
17. Refit the condenser fan shroud to the unit. Use the condenser fan as a guide to ensure the shroud is

properly centered around the fan.

18. Remove the condenser fan, and place it on the shaft facing the correct direction. Adjust the fan to the

correct position, 37mm (1.5”) from the fan shroud, see

Figure 7.7