HRX-OM-Q026
Chapter 5 Display and Setting of Various Functions
HRSH Series 5.22 Alarm Customizing Function
5-67
◼ When "Automatic monitoring + Monitoring start timer" is selected
[1] Circulating fluid temperature when starting operation: Approximately 20
o
C
[2] Circulating fluid set temperature: 15
o
C
[3] "AS.21: Temperature alarm monitoring method": Select "Automatic monitoring + Monitoring
start timer".
[4] "AS.22: Monitoring start timer": Set it to "50 min".
[5] "AS.04: Detection temp. for the circulating fluid discharge temp. rise": Set to "16
o
C".
[6] "AS.06: Detection temp. for the circulating fluid discharge temp. drop": Set to "14
o
C".
[7] "AS.23: Range over detection timer": Set to "600 sec".
Fig 5.22-2: Alarm generation timing
◼ Alarm generation timing
Status (1): Start operation of the chiller. As the circulating fluid temperature is within the set
range of "AS.06", "AS.06" alarm monitoring starts.
Status (2): The circulating fluid temperature becomes within the set range of "AS.04". "AS.04"
alarm monitoring starts.
Status (3): The circulating fluid temperature exceeds the threshold of "AS.06", but the alarm
will not be generated as it has returned within the 600 sec range of the "AS.23:
Range over detecting timer".
Status (4): The circulating fluid temperature exceeds the threshold of "AS.04", but the alarm
will not be generated as it has returned within the 600 sec range of the "AS.23:
Range over detecting timer".
Status (5): 50 minutes passes after starting operation. Alarm monitoring has started. It shows
that the "50 min" setting does not influence the alarm monitoring under these
conditions.
Status (6): Alarm will be generated after 600 seconds that is set for "AS.23: Range over
detection timer" after the circulating fluid temperature exceeds the threshold of
"AS.04".
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