Macurco CD-xx H/MC Manual
REV
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1.1
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Figure 3-15 12-Series Horn & Strobe Combo Wiring
3.3
Wiring Connections
3.3.1
6-Series Low Voltage
With the exception of the safety ground, all field wiring is completed via modular connectors (provided). After wiring, simply
plug the modular connectors into the matching connectors on the back side of the detector.
NOTE: 22 to 12 AWG wire shall be used. Wire used shall meet the temperature range of the detector i.e. 0°F to 125° F (-18°C to
52°C).
3.3.1.1
Power Connection
Connect the CD-6H/MC to Class 2 power supply only. It is suggested to use a separate transformer for powering the unit or units
because of possible interferences from other devices on the same power supply. Connect the CD-6H/MC to the control cables
with terminal plugs. When making connections, make sure the power is off. There are two terminals for Power: 12 to 24 VAC or
12 to 32 VDC, with no polarity preference ensure that the wire cannot be easily pulled from the connector. Plug the modular
connection into the Fan/Power connection and ensure that it latches into the header properly.
3.3.1.2
Fan Relay Connection
All the SPDT Fan relay terminals are available at the Fan/Power modular connector. Each fan relay terminal normally open,
common and normally closed (NO, COM, and NC) can accommodate a wire size 12 to 24 AWG. To install the wiring for the
relays, disconnect the connectors from the header. Strip the insulation off each wire back approximately ¼ inch (6.5 mm), insert
the bare wire into the terminal and tighten the screw clamp. Ensure that the wire cannot easily be pulled from the connector.
Plug the modular connection into the Fan/Power connection and ensure that it latches into the header properly.
3.3.1.3
Alarm Relay Connection
The external alarm connections (A and B) are available at the Alarm modular connector. There is no polarity for these
connections. To install the wiring for the alarm contacts, disconnect the connector from the header on the detector. Strip the
insulation of each wire back approximately 1/4 in. (6.5 mm), insert the bare wire into the terminal and tighten the screw clamp.
Ensure that the wire cannot easily be pulled from the connector. When the wires are connected seat the modular connector
into the header ensuring that the latch engages.
3.3.1.4
4-20 mA Output diagram
The positive and negative 4-20mA signal connections (+ and -) are available at the 4-20mA modular connector, a 2-position
connector. To install the wiring for the 4-20 mA contacts, disconnect the connector from the header on the detector. Strip the
insulation of each wire back approximately 1/4 in. (6.5 mm), insert the bare wire into the terminal and tighten the screw clamp.
Содержание CD Series
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