3-2. DESCRIPTION OF KEYS AND THEIR FUNCTIONS
Fig.3-2
Operation Board
1. Operation indication lamp
:Operation indication lamps light while the Chiller,
pumps, etc. operate them.
2. Stop indication lamp
:Stop indication lamps light while the Chiller,
pumps, etc. stop them.
3. Alarm indication lamp
:Alarm indication lamps light that an abnormality occurred.
4. Remote/local select key
:Used to select remote operation or local operation.
with lamp
5. Operation select key with lamp
:It is a key that a Chiller uses in the operation/stop.
It uses a stop key also in reset on an abnormality occurred.
6. Data display(7 segment LED)
:It shows temperature, set value, etc..
7. Stand by indication lamp
:Push a run key and the Chiller begins operation
until it light up.
8.
Dilution indication lamp
:It lights during dilution operation.
9.
Safety circuit indication lamp
:It lights a controlled circuit when a power supply is supplied.
10.
Power indication lamp
:There is a power supply than equipment side and,
a breaker in an operational board lights time of ON.
11.
Data select key
:When changing an indication of a data display, when
changing establishment value each, it is a key that uses
establishment when being decided.
12.
Alarm buzzer stop key
:It uses an alarm buzzer when stopping by a case of alarm
buzzer attachment(option).
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