ALTEC AIR, LLC
P550W Series Air Dryers User’s Guide
Page 94 of 98
P011658 – Rev. S
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
