American Power Conversion AP9312TH Sensors in parallel and normally closed sensors in series

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Contact Sensors, continued

Connection The Environmental Monitoring Unit supports normally open

information and normally closed loop systems and allows mixing of normally open and normally closed sensors on any zone:

 

Note: Do not connect the unit’s sensors with sensors from any

 

other system.

Multiple

To use more than one sensor on a zone, connect normally open

sensors in a

sensors in parallel and normally closed sensors in series:

zone

 

To avoid receiving alarms for unused zones, install a jumper wire between the COM connector and NC connector of each unused zone.

Continued on next page

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Contents Environmental Monitoring Unit Page Contents Maintenance Correcting problems If problems persist Introduction Product inventory Snmp Installation Attach the assembly tightly to the enclosure using four Connection process overview Connecting dry contact devices Contact Sensors Pin Function Sensor Zones Connector PinoutSensors in parallel and normally closed sensors in series Example of a typical hookup Through the Management Card Wizard. Quick ConfigurationOn next Over the Network by ARP. To configure the Environmental Through Telnet Through a Web browserPossibility of such damage Warranty InformationProblem Possible Cause Solution TroubleshootingIf a problem is not mentioned in Correcting problems on Specification SpecificationsApproval Life-Support Policy Declaration of Conformity APC Worldwide Customer Support