82-5221 • 13
Start Up
1. Be sure the emergency stop button is not pushed. If it is pushed, turn it clockwise to reset it.
2. Turn on power to the 82-5221, power to the solenoid valve, and power to the device whose relay
contact is wired to the 82-5221 (if used).
3. Power is immediately applied to the solenoid valve and the green LED on the stack light turns on.
Operation
Normal Operation
During normal operation, the stack light is green and power is being applied to the solenoid valve.
Alarms
If the emergency stop button is pushed or if the remote relay contact opens (if used), the stack light
turns red and power stops being applied to the solenoid valve.
Twist the emergency stop button clockwise to reset it and restore power to the solenoid valve. Reset a
remote relay contact alarm as described in the device’s manual.
Replacing the Fuse
1. Turn off or disconnect power to the 82-5221.
2. Open the 82-5221 housing door.
3. Locate the fuse. It is in the power line shown below and is secured to the right side of the housing
with a zip tie.
Figure 7: Fuse Location
4
8
NO
NC
Relay
NO
NC
5
1
14
12
13
+
9
C
-
Fuse
C
Power Supply
L
N
-
V
+
V