Danfoss 176F6516 Installation Manual page 7

300 A Current Sensor Kit for D1h/D3h/D5h/D6h Drives
Installation Guide
- a. Remove 1 thread-forming screw (T25) from the middle of the busbar.
b.
- Unfasten 1 screw (T30) at the current sensor end of the busbar.
7. Remove 2 screws (T25) from the lower end of the motor terminal block.
8. Remove the motor terminal block by sliding it down to release it from the 2 metal clips on the mounting plate.
9. Remove 3 Nomex® tubes, 1 from the center of each current sensor.
10. Remove 3 cylinder busbars, 1 from the center of each current sensor.
Discard the old Nomex® tubes, current sensor cylinder busbars, motor terminal block, and U/V/W motor busbars.
2.6 Removing the Power Terminal Mounting Plate
To remove the power terminal mounting plate, use the following steps. Refer to
Procedure
1. Remove the mixing fan from the slot in the power terminal mounting plate:
- a. Place the end of a screwdriver under each of the mixing fan release tabs.
- b. Lift to free the fan and housing from the power terminal mounting plate.
- c. Unplug the mixing fan in-line cable connector.
2. Remove 4 thread-cutting screws (T20), 2 from each side of the power terminal mounting plate.
3. For IP21/Type 1 and IP54/Type 12 enclosures only, loosen 3 screws (T25) at the bottom of the drive.
4. For IP20/Chassis enclosures only, remove 3 nuts (10 mm) from the lower edge of the plate.
5. Unplug 3 current sensor cables, 1 from the back of each current sensor.
6. Unplug the 16-pin connector from MK101 on the power card.
Discard the current sensor wire harness.
7. Remove the power terminal mounting plate with the old current sensors attached.
Discard the power terminal mounting plate and current sensors. Retain the fasteners for reuse during kit installation.
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Illustration 3: Power Terminal Mounting Plate
Danfoss A/S © 2022.11
Illustration 3.
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AN275538690239en-000101 / 130R0721 | 7
Disassembly