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U•V6
Instruction Manual
14
|
65
Certified
ISO9001 • VCA
Three-Wire Current-Loop Detectors
Use a triple-conductor flex cable with a cross-sectional area of between 0.75 and 1.5 mm
2
to
connect the D•420 infrared detector and the D•TEX 420 catalytic detector (e.g., LPG and
CNG. See the diagram below).
2.5
Connecting the Relays
The U•V6 unit has five relays that can be addressed by the alarms and a technical-fault
relay. Different types of devices can be connected to these relays, such as air blowers or
extractors, sirens, LED warning signs or flashing lights, etc.
2.6
Connecting the Siren
Connect the
S
and
V
–
terminals on the siren to the U•V6 unit (Terminals 42 and 43,
respectively). Respect the polarity to avoid damaging the siren.
The cables used to connect the siren must meet the same requirements as the detector
cable (see Connecting the Detectors).
