Danfoss 176F6516 Installation Manual page 6

300 A Current Sensor Kit for D1h/D3h/D5h/D6h Drives
Installation Guide
1 RFI filter (optional)
2 M8 nut (13 mm)
3 AC fuse (optional)
4 R/S/T terminal label
5 Mains terminal block
2.3 Removing the Mains Terminal Block
To remove the mains terminal block, use the following steps.
Procedure
1.
Disconnect the customer input power wiring.
2. Remove the R/S/T terminal label.
3.
Remove 2 screws (T25) at the bottom of the mains terminal block.
If necessary, also remove 1 screw (T25) from the EMC shield near the lower end of the terminal block.
4.
Slide the mains terminal block down to release it from the 2 metal clips on the mounting plate.
Discard the mains terminal block and terminal label.
2.4 Removing the Brake/Regen Terminal Block
If the drive includes either the brake option or regen/load share option, remove the terminal block using the following steps.
Procedure
1. Disconnect the wiring for the brake option or regen/load share option.
The brake/regen terminals are labeled R(+) and R(-).
2. Remove the R(+) busbar:
a.
- Unfasten 1 M4x8 thread-forming screw (T20) from the busbar at the terminal block.
- b. Unfasten 1 screw (T40) at the upper end of the busbar.
3.
Remove the R(-) busbar:
- a. Unfasten 1 M4x8 thread-forming screw (T20) from the busbar at the terminal block.
b.
- Unfasten 1 M8 nut (13 mm) at the upper end of the busbar.
4. Remove 2 screws (T40) from the brake/regen terminal block.
5.
Remove the brake/regen terminal block from the drive.
2.5 Removing the Motor Terminal Block
Procedure
1. Disconnect wiring to the motor.
2. Remove the U/V/W terminal label.
3. Remove the EMC shield:
- a. Unfasten 2 screws (T25) from the base of the EMC shield.
- b. Release the current sensor wiring from the cable clips on the EMC shield.
4. Remove the U motor busbar:
- 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.
5. Remove the V motor busbar:
- 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.
The V screw is shorter than the U and W screws.
6. Remove the W motor busbar:
6 | Danfoss A/S © 2022.11
6 Power terminal mounting plate
7 M8 nut (13 mm)
8 M5x11 screw (T20)
9 Motor terminal block
10 Mixing fan
AN275538690239en-000101 / 130R0721
Disassembly