Johnson Controls PENN ACT2, Technical Bulletin

Page: 54 / 116

Maestro Software
54
Unit #3 Condensing Units
Setpoints:
Status:
Circuit Compr. Alarms Condenser Defrost
#1
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Undo
Options
Dial Out High
Dial Out Low
Dial Out High
Dial Out Low
Dial Out Low
Auto Restart
Dial Out High
Dial Out Low
Cutout on high discharge
Auto restart at 50 lbs < cutout
2
Min
60
Suction:
Alarms:
Value Delay N/A
Case Temp.:
Oil Pressure:
Discharge
Pressure:
2
Min
20
Lo:
15
Sec
280
Hi:
0
Min
40
Lo:
5
Min
55
Hi:
2
Min
33
Lo:
5
Sec
50
Lo:
Hi:
Suction: This defines the suction pressure alarm setpoints and time delays. Suction pressure
values outside of this range will trigger an alarm if they persist for longer than the value defined in
the time delay.
Discharge Pressure: This defines the discharge pressure alarm setpoints and time delays.
Discharge pressure values outside of this range will trigger an alarm if they persist for longer than
the time defined in the time delays.
Case Temp.: This defines the case temperature alarm setpoints and time delays. Case
temperatures outside of this range will trigger an alarm if they persist for longer than the time
defined in the time delays.
Oil Pressure: This defines the low oil pressure alarm setpoint and time delay. Oil pressure that
remains lower than this value for longer than the time delay will trigger an alarm.
Options: This column
defines the various actions
that can be taken when the
alarm condition to the left
occurs.
N/A: Checking this box disables
the associated alarm.
Figure 50: Refrigeration Circuit Alarm Parameters