ALTEC AIR, LLC
P550W Series Air Dryers User’s Guide
Page 46 of 98
P011658 – Rev. S
8.9 Connecting to Common Alarm Terminals
8.9.1
Locate the external Common
Alarm pins on the Control Board
8.9.2
Wire the Common Alarm wire
pair to the Control Board as
required:
COMMON
&
NO
for CLOSE
ON ALARM operation.
NC
&
COMMON
for OPEN
ON ALARM operation.
8.9.3
Close Panel.
8.10 Connecting to Power Fail Alarm Terminals
8.10.1
Open Panel (see section 0).
8.10.2
Locate the external
Power Fail pins on the
Control Board.
8.10.3
Wire the Power Fail
Alarm wire pair to the
Control Board as required:
PWR FAIL
&
NC
for
CLOSE ON ALARM operation.
NO
&
PWR FAIL
for OPEN ON ALARM operation
8.10.4
Close Panel.