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When an alarm condition occurs, the display flashes the alarm
condition and the Alarm light on the control panel lights. Press
the Alarm Silence/ Reset button to acknowledge the alarm and
silence the optional audible alarm.
A
NSWERING
A
LARMS
Series 1 Portable Chillers, PLC Control
UGH017/0500
6-4
T
ROUBLESHOOTING
STATUS SETUP RUN ALM
press arrow
The most recent alarm displays on the screen.
ALM 4 SP 45 Tmp 23
DP 40 SU 1 3 M
To view any other alarms press the Scroll arrows.
ALM
Alarm number
DP
Refrigerant dis-
charge pressure
measured at the
compressor outlet.
SU
Refrigerant suction
pressure measured at
the compressor inlet.
Tmp
Current temperature
of the To Process
fluid, in F
SP
Setpoint temperature;
the desired temperature
of To Process fluid exit-
ing the chiller
M
Number of minute
when the last alarm
occurred.
A screen displays for each alarm. Alarms are listed in order of
occurrence, starting with the most recent (check the Time
information on display).
Press the Alarm arrow on the Main screen: