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4-2. DESCRIPTION OF KEYS AND THEIR FUNCTIONS
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11
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1. Operation indication lamp
:Operation indication lamps light while the chiller,
pumps, etc. operate.
2. Stop indication lamp
:Stop indication lamps light while the chiller,
pumps, etc. stop.
3. Alarm indication lamp
:Alarm indication lamps light up when an abnormality occurred.
4. Remote/local select key
:It is used to select remote operation or local operation.
5. Run/Stop select key
:It is used to operate or stop the chiller.
The stop key is also used to reset the alarm.
6. Data display(7 segment LED)
:It shows temperature, set value, etc..
7. Stand by indication lamp
:It lights up by pressing the run key and goes out when
the chiller starts operation.
8. Dilution indication lamp
:It lights during a dilution operation.
9. Safety circuit indication lamp
:It lights up when the control circuit is energized.
10.
Power indication lamp
:It light up when the power is supplied to the control panel
and the main breaker in the panel is turned on.
11.
Data select key
:These are used to select the display data
and to change set value.
12.
Back select key
:It is used to return back the display data to the generator
temperature.
13.
Alarm buzzer stop key
:It is used to stop the alarm buzzer.
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9
10
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