Specifications

Printed in the U.S.A.

AE8-1368 R2

Figure 7.4 – 4D Terminal Box Connections

6. Install the terminal box on the compressor by

routing the harness leads through the provided

opening in the bottom of the box. Secure to the

compressor using the four anchor screws.

7. Secure the wiring harness assembly to the

terminal box by installing two screws.

8. Inside the terminal box:

• Connect compressor power terminal lugs

• Connect wires to the sensor module including:

- voltage sensing leads

- crankcase heater output

- communication cable (to control module)

- 24VAC power output (to control module)

9. Reconnect the RS-485 communications plug.

10. Reconnect the harness to the oil pressure sensor.

11. Replace the terminal box cover and secure with

two screws.

12. Reinstall the side cover over the pressure controls.

13. Reinstall the control module access cover and

secure with two screws.

14. Apply power to the compressor and CoreSense

Diagnostics

modules.

11.0 Removal of the Compressor (4D)

1. Turn off power to the compressor, crankcase

heater, and CoreSense Diagnostics modules.

2. Isolate the compressor and evacuate per accepted

industry practice.

3. Inside the terminal box

• Remove compressor power terminal lugs

Figure 7.3

4D CoreSense Diagnostics v2.11 Assembly Reference Drawing