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Operation; Control Panel Descriptions - Hitachi SRL Series Instruction Manual

Oilfree scroll compressor
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1 Control Panel Descriptions

● If an error during start up occurs, please contact the local Hitachi distributor.
Control Panel
Digital Display (Yellow)
1) Discharge Pressure
2) Total Running Hours
3) Alarm/Errors (if applicable)
If the digital display is lit, main
power to the air compressor is ON.
Indication Light (Red)
Screen Shift Switch
Toggles the digital display from
discharge pressure and total
running hours for three seconds.
● If nothing displays in the digital display, even with power on, either the emergency stop switch is
operating or the circuit breaker in the UL power supply panel is OFF. Always turn off the power
supply prior to inspection.
Compressor Operation Light (Green)
Lights up during compressor operation.
Control Mode Switch
Press this switch to select the
proper control mode.
Maintenance Alarm Light (Red)
Lights up to inform operating
personnel that maintenance is
required based on hours of operation.
Start and Stop Switch
Pressing these switches starts and stops the
air compressor, respectively.

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