GE WIU-2 - Troubleshooting the WIU-2; Regulatory Approvals; UL

Wiegand Interface Unit Two State (WIU-2)
Installation Manual
16
Troubleshooting the WIU-2
If the operation of a component is in doubt, substitute a known
good component and retry the system.
Always verify wiring against the wiring diagrams before
powering up the system.
Regulatory approvals
UL
The following are the results of the UL evaluation of the WIU-2
readers:
• Operating temperature range: +32 F (+0 C) to +120 F
(+49 C)
• Relative humidity: 85%
• For UL Listed installations, the WIU-2 must be mounted
within the protected area of a protective enclosure.
UL Listed Installations