Promac 378VLB User Manual page 12

VII Electric
ELECTRICAL CONNECTION/DISCONNECTION & OPERATION
For three phase :
1. Electrical connection:
1. A cable with four wires is equipped to connect your machine into the 3 phase power supply.
Please connect your machine into the power supply with hand-operated disconnecting device, which
is in compliance with subclause 5.3 of EN 60204-1, such as on fuse breaker or plug/socket combination.
2. For the protection of control device, we recommend the operation to supply a fuse with 6 A current
rating of fuse, and the total length between fuse and connection terminal shall not exceed 1.5m.
3. The exact power source voltage, frequency, and number of phase shall be checked according to the
installation diagram and circuit diagram.
4. The correct direction of drilling press should be checked after connecting.
2. Electrical disconnection:
1. The disconnection is carried out by hand-operated disconnection device.
2. Be sure to disconnect this machining from power source, when you want to stop the job, Maintenance,
and adjustment.
3. Grounding
The grounding of the drilling press is carried out by connecting the Yellow/Green terminal of supply
cable to the grounding terminal of power source. Be sure to ground your machine before connecting
machine to power source in any situation.
WARNING !
Do not disconnect grounding terminal before disconnecting power source.
For single phase :
1. The connect, disconnection, and grounding is carried out through the plug, equipped on the drilling
press. For the safety reason, Do not change this plug into any the other type in any situation.
2. For the protection of control device, we recommend the operated to supply a fuse with 6 A current
rating of fuse, and the total length between buse and connection terminal shall not exceed 1.5m.
3. The exact power source voltage, frequency, and number of phase shall be checked according to the
installation diagram and circuit diagram.
Operation:
1. "START" : Push the button marked with " I ".
2. "STOP": Push the button marked with " O ".
3. "Interlock Switch": Limit switch in the pulley cover.
WARNING !
Do not stop machine with interlock switch in normal operation.