Hanshin Machinery GRH 3 series, User Manual

Page: 33 / 79

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5. Operations
5-1 Micom Controller
1. Micom Controller consists of LCD display, LED lamps, push button switches and data setting button.
Graphic Display
The operation is graphically displayed.
The brightness is automatically adjusted, depending on the ambient temperature.
The bright and clear display facilitates repairs in a dark place.
If a trip occurs, it shows the location and detail troubleshooting.
Start button/lamp
To start operation, press [START] button.
Stop button/lamp
The compressor stops after 10-second no
load operation if pressing [STOP button]
Schedule Operation button/lamp
If pressing [SCH MODE] button, the
schedule operation mode is selected. If
pressing [START] button after selecting
[SCHMODE], it operates in accordance
with the setting.
Operation data setting/change buttons
Data can be set and changed for optimal operation under any environment by
changing the operation data.
Load indication lamp No load operation button
The compressor can be easily maintained and checked because green lamp is on in
case of load operation and it starts no-load operation if pressing the button.
Alarm lamp
If any alert occurs, the yellow lamp is on and it calculates a parts replacement time
automatically, turning on the lamp
Trip lamp
If the compressor stops due to a trip, the red lamp is on.
GRH3 star-delta
User’s Manual