Operation Section
31
6. CONNECTION AND SETTING
WARNING
• Disconnect power supply from the unit before performing any service. Beware that some
residual voltages may remain in the unit immediately after the power is disconnected.
6.1 Power Supply Requirements
• This unit requires a single-phase 208/230 V, 60 Hz power supply to operate.
• The power supply should be a dedicated single outlet circuit with a UL recognized short-circuit
and ground-fault protective breaker with a fuse size of 20 A maximum.
• Securely tighten each terminal.
• The following wire sizes and electrical ratings are recommended:
- Cord Type: SJT (3 wires) or equivalent
- Wire Gauge: 12 AWG
- Voltage Rating: 300 V minimum
- Heat Resistance: 221 °F (105 °C)
CAUTION
Use a specified 20 A fuse. Do not use wiring, copper wire or soldering instead of the fuse. The
use of non-specified fuses can cause machine failure or fire.
ILL00285-00
Circuit Breaker with
Ground-Fault Protection
Ground
Terminal
Terminal Block of Unit
RTG
RTG
Fuse 20 A Max.
T
R
G
Terminal Block
Power Cord
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