Cutmaster a60 – Tweco A60 Cutmaster User Manual
Page 25
CUTMASTER A60
Manual 0-4981
INSTALLATION
3-3
E. Connections to Single Phase Input Power
WARNING
Disconnect input power from the power supply
and input cable before attempting this procedure.
These instructions are for changing the input power and or
cable on the 208/230, 400, 460 VAC Power Supply to Single -
Phase input power.
1. Remove the Power Supply cover. See "A.
2. Disconnect the original input power cable from the
main input contactor and the chassis ground connec-
tion.
3. Loosen the through - hole protector on the back panel
of the power supply. Pull the original power cable out
of the power supply.
4. If the power cable being used is not the factory - sup-
plied cable, use a three - conductor input power cable
for the voltage desired and strip back the insulation on
the individual wires.
5. Pass the cable being used through the access opening
in the back panel of the power supply. Refer to Section
Power Supply Specifications" for power cable
specifications.
CAUTION
The primary power source and power cable must
conform to local electrical code and the recom-
mended circuit protection and wiring requirements
(refer to table in Section 2).
6. Connect the wires as follows.
• Set Jumper wire and copper bus bar / jumper on
the contactor. See previous illustrations.
• Green / Yellow wire to Ground.
• Remaining wires to L1 and L2 input. It does not
matter what order these wires are attached.
7. With a little slack in the wires, tighten the through - hole
protector to secure the power cable.
8. Reinstall the Power Supply cover. See "B.
9. Connect the opposite end of individual wires to a
customer supplied plug or main disconnect.
10. Connect the input power cable (or close the main
disconnect switch) to supply power.
F. Connections to Three Phase Input Power
WARNING
Disconnect input power from the power supply
and input cable before attempting this procedure.
These instructions are for changing the input power and or
cable on the 208/230, 400, 460 VAC Power Supply to Three -
Phase input power.
1. Remove the Power Supply cover. See "A.
2. Disconnect the original input power cable from the main
input contactor and the chassis ground connection.
3. Loosen the through - hole protector on the back panel
of the power supply. Pull the original power cable out
of the power supply.
4. Using a customer supplied four - conductor input
power cable for the voltage desired, strip back the
insulation on the individual wires.
5. Pass the cable being used through the access opening
in the back panel of the power supply. Refer to Section
Power Supply Specifications" for power cable
specifications.
CAUTION
The primary power source and power cable must
conform to local electrical code and the recom-
mended circuit protection and wiring requirements
(refer to table in Section 2).
6. Connect the wires as follows.
• Remove the copper bus bar jumper from L2 and
L3 on the contactor. See previous illustration.
• Green / Yellow wire to Ground.
• Remaining wires to L1, L2 and L3 input. It does
not matter what order these wires are attached.
See the previous illustrations.
7. With a little slack in the wires, tighten the through - hole
protector to secure the power cable.
8. Reinstall the Power Supply cover. See "B.
9. Connect the opposite end of individual wires to a cus-
tomer supplied plug or main disconnect.
10. Connect the input power cable (or close the main
disconnect switch) to supply power.