User`s guide

PUREGAS, LLC P550W Series Air Dryers User’s Guide
Page 95 of 99 P011658 – Rev. M
14.2 Set Point Limits and Defaults
14.2.1 System Adjustments
14.2.2 Alarm Set Points
Description
Minimum
Value
Maximum
Value
Default
Value
Unit of
Measurement
Shutdown
High Flow Alarm 0 900 500 SCFD
High Outlet Pressure
Alarm (LP UNITS)
0.6
(0.31)
20.0
(7.50)
10.0
(7.50)
PSI
Low Outlet Pressure
Alarm (LP UNITS)
0.5
(0.30)
19.9
(7.49)
2.0
(0.30)
PSI
High Humidity Alarm 3 15 10 % YES
High Compressor Last
Run Time Alarm
2:00 5:00 3:00 Minutes
High Cabinet
Temperature Alarm
120 Deg F YES
Compressor Total Run
Time Alarm
8000 Hours
14.2.3 System Operations
Description ON Value OFF Value
Default
Value
Unit of
Measurement
Compressor 20.0 50.0 PSI
Fan 90 80 Deg F
Description
Minimum
Value
Maximum
Value
Default
Value
Unit of
Measurement
System Pressure 50 PSI
Static Pressure 17 PSI
Outlet Pressure
(LP UNITS)
2.0
(0.30)
15.0
(7.50)
PSI
Alarm Delay OFF ON ON
Startup Delay 0 10 0 Seconds