Hypertherm Powermax105 Service Manual - Manual (Page 251)

Power SuPPly ComPonent rePlaCement
powermax
105 Service Manual 9-53
Install the power board
Complete the instructions below while referring to the applicable figure:
• 200-600 V CSA power board on page 9-42
• 230-400 V CE, 380 V CCC/230-400 V CE power board on page 9-43
• 380 V CCC/400 V CE power board on page 9-44
1. Place the power board in the mounting position while routing the gate drive wires and PFC temperature sensor
wires (all models except 380 V CCC and 400 V CE) through the respective openings in the board.
Note: Verify that all the wires that were disconnected while removing the power board are now positioned in
front of the power board.
2. Tighten the four board mounting screws to 17.3 kg cm (15 in.-lbs).
3. Plug the gate drive wires into the respective connectors on the power board.
Note: Silkscreen printing above the openings in the board denotes the color and order of the gate drive wires.
The printing is “BLK” (black), “RED” (red), “BLK” (black), “RED” (red) from left to right.
4. Plug the PFC temperature sensor connector (all models except 380 V CCC and 400 V CE) into the connector on
the power board.
5. Plug the respective wire connectors into the J1, J2, J3, J5, and J6 headers on the back of the power board.
6. Plug the J11 and J17 wire connectors into the respective connectors on the left side of the power board.
7. If a CNC interface receptacle is installed on the rear of the power supply, plug the J18 and J32 wire connectors into
the respective connectors on the left side of the power board.
8. Secure the respective wires to the power board at J25, J26, and J27 by tightening the bolts to 63.4 kg cm
(55 in.-lbs).
9. Install and tighten the gray colored screws to 40.3 kg cm (35 in.-lbs), making sure to secure the previously removed
wires and capacitors to the power board.
10. Install and tighten the remaining screws to 23 kg cm (20 in.-lbs), making sure to secure the previously removed
wires to the power board.