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9
Contact Sensors,
continued
Connection
information
The Environmental Monitoring Unit supports normally open
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
sensors in a
zone
To use more than one sensor on a zone, connect normally open
sensors in parallel and normally closed sensors in series:
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