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Press [VS, ALARM SETUP] button on the system setup menu, and press [NEXT] button. Then the
alarm setup screen is displayed.
- Select inspect on alarm condition : Select either always inspect or inspect during operation.
- Select alarm occurrence source : Select sources that trigger alarm.
- Select alarm code : Press box to display the screen for selecting alarm code (1-20).
- Alarm SV : Setup alarm setting. (Absolute or varied)
- Alarm irresponsiveness : Setup irresponsive alarm setting. Alarm OFF.
6.4 Alarm Setup
The PID GAIN for this instrument is divided into 4 areas for each channel. For each area, setup limit is
3, so the optimal PID GAIN can be applied for control. (Is able to select either automatic or manual).
PID GAIN of each area has setup values of P-BAND, I-TIME, and D-TIME. When controlling heating/
cooling, the cooling side attains the above values separately. Also, when controlling heating/cooling
in the setting DEAD BAND, more precise control is possible. When installing the system, divide the
areas that will be in used, and perform auto tuning based on the mid point of each area.
The indication of A/T button is installed only during initial installation. When tuning is complete, to
prevent end user errors, it is not displayed on the operation screen. Recommend auto select even for
PD ZONE.
6.5 PID Setup
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