Figure 3-2 Compressor Mounting Fasteners
15. Torque the motor cooling line connection (Nut) to 11 Nm (8 ft.lb.).
16. Remove the Service Side Cover. Refer to Section 4.1.3.1 Service Side Cover Removal and Installation on
17. Install the I/O strain relief to the compressor housing.
18. Connect the compressor I/O cable to the Backplane I/O connector (J7).
19. Install the Service Side Cover. Refer to Section 4.1.3.1 Service Side Cover Removal and Installation on
• • •DANGER! • • •
Ensure that electrical power is isolated from the AC mains cables before handling the cables.
20. Remove the Mains Input Cover. Refer to Section 4.1.1.1 Mains Input Cover Removal and Installation on
21. Connect the cable gland that secures the Mains Input cable conduit to the Mains Input bracket.
22. Install the Mains Input ground wire to the ground post and torque the top nut to 10 Nm (7 ft.lb.).
23. Attach the AC mains cables to the terminals and torque to specification.
l
TTS300/TGS230 Compressors - 20 Nm (15 ft.lb.)
l
All Compressors (excluding TT300/TG230) - 21 Nm (15 ft.lb.)
24. Install the Mains Input Cover. Refer to Section 4.1.1.1 Mains Input Cover Removal and Installation on
25. Leak test and evacuate in accordance with standard industry practices.
26. Return the compressor to normal operation.
Changes to the compressor software settings may be necessary to align with the chiller requirements.
3.4 Compressor Replacement Considerations for Motor Cooling Adapter
The housing connection seal is an ISO standard O-ring seal and the external pipework connection is an ORFS. In
addition, the line size is 1/2 inch for all models and the fitting includes a built-in (removable) strainer.
Refer to Figure 3-3 Motor Cooling Fitting on page 44.
Table 3-1 Cooling Adapter Detail
Component
Notes
Body
Includes both O-rings - Body to compressor housing thread is M16 x 1.5.
Strainer
-
Blanking Disk
-
1/2" Braze Sleeve
Steel for all connecting 1/2 copper tube
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