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7.8. OTHER INDICATIONS
Normal Indications
LOCAL:
"LOCAL" is indicated when setting local at the chiller unit.
Setting is not available to change from controller during this
indication.
Contact to installer for details.
DEMAND:
This function is not available.
EMG.(Emergency) STOP:
"EMG. STOP" is indicated when the signal is input at
external input 2 port on this controller.
Contact to installer for details.
Alarm Indications
Abnormal Condition:
- If any unit occurs under an abnormal condition, operation
lump is flickered.
- "ABNML" is indicated on the liquid crystal display.
- Indication "■" of the unit having an alarm code is flickered.
- Unit No., alarm code and nominal indication is indicated
alternatively.
- If alarm code occurs in multiple-control units, unit No. and
alarm code are indicated from the unit having smaller No.
sequentially.
- Check the alarm code, and contact your installer.
Power Failure:
- All the indications are disappeared.
- If the unit is stopped by power failure, the unit does not start automatically even if the power is
supplied. Operate the unit again.
- If the unit is stopped by an instantaneous power failure within 2 seconds, the unit is restarted
automatically.
Noise:
- All the indication is disappeared, and the unit is stopped in some cases. This means the micro-
processor is activated to protect equipment from the effect of noise. Operate the unit again.
OPERATION PROCEDURE
COOL
UNIT No.
A/C
COOL
UNIT No.
A/C
COOL
UNIT No.
A/C
17
℃
SET TEMP.
INDVDL
1
2
3
4
LOCAL
℃
SET TEMP.
EMG.STOP
INDVDL
1
2
3
4
℃
SET TEMP.
INDVDL
1
2
3
4
ABNML
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