PUREGAS, LLC
P550W2 Series Air Dryers User’s Guide
Page 42 of 99
P012226 – Rev. F
8.13 Connecting to Power Fail Alarm Terminals
8.13.1
Open Panel (see section 8.8 ).
8.13.2
Locate the external Power
Fail pins on the Control
Board.
8.13.3
Wire the Power Fail
Alarm wire pair to the
Control Board as required:
•
PWR FAIL
&
NO
for
CLOSE ON ALARM
operation.
•
NC
&
PWR FAIL
for
OPEN ON ALARM operation
8.13.4
Close Panel.
Summary of Contents for P550W2 Series
Page 2: ......