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M-SV-001-EN Rev. G
3. Connect the Inverter cable harness to the top of the Inverter.
4. Install the mains input cables to the Terminal Block and torque to 21 Nm (15 ft.lb.).
5. Install the Soft Start. Refer to "4.15.3 Soft Start Removal and Installation" on page 112.
6. Install the top covers. Refer to "4.2 Compressor Covers" on page 56.
7. Return the compressor to normal operation.
4.23.7 Inverter Card Replacement
This section details the steps to remove and install the Inverter Control Card. If the Inverter proves
to be working properly and the Inverter Control Card has been confirmed to have failed, follow the
removal and installation steps for the Inverter Control Card.
The replacement Inverter Control Cards are only for the 613 Inverter. Refer to Bulletin B-CN-107-EN Rev
B for further details regarding the applicability of the control cards.
4.23.7.1 Inverter Card Removal
1. Isolate compressor power as described in Section "1.8 Electrical Isolation" on page 19.
2. Remove the Capacitor Cover. Refer to "4.2.4.1 Capacitor Cover Removal and Installation" on
page 59.
3. Disconnect the 3-phase A/C input wires from the Terminal Block.
4. Remove the Soft Start. Refer to "4.15.3 Soft Start Removal and Installation" on page 112.
5. Remove the Terminal Block Assembly. Refer to "4.12.2 3-Phase Main Voltage Input Terminal
Block Removal and Installation" on page 98.
6. Remove the DC Capacitor and Bus Assembly. Refer to "4.22.3 DC Capacitor Bus Bar Assembly
Removal and Installation" on page 158.
NOTE
The above step is only necessary when using the inverter tester.
7. Disconnect the ribbon cable from the Inverter.
8. Remove the Copper Tubes that connect the motor bus bars to the Inverter.
• • • CAUTION • • •
Do not remove the fasteners that secure the Inverter to the compressor main housing.
9. Remove the six (6) Driver Board fasteners using a T15 Torx bit. Begin on the outside and work
towards the center. Refer to "Figure 4-237 Driver Board Fasteners".
Figure 4-237 Driver Board Fasteners
Driver Board
Fastener
(6 places)
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