OPERATION PROCEDURE
17
ENG
L
IS
H
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.
1
4
3
2
SET TEMP.
COOL UNIT No.
℃
INDVDL
A/C
LOCAL
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.
1
4
3
2
SET TEMP.
COOL UNIT No.
℃
INDVDL
A/C
EMG.STOP
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.
1
4
3
2
SET TEMP.
COOL UNIT No.
℃
INDVDL
A/C
ABNML
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.
