SEKURE ITI UltraGard Manual de usuario descargar pdf (Pagina 16)

MULTIPLE DETECTORS PER ZONE.

With multiple detectors per zone 4-wire connections between the first detector on a zone and the UltraGuard Monitor and 6-

wire connections between each subsequent detector on the same zone are utilized.

This variation requires that the first and the last detectors on a zone are configured differently:

FIRST DETECTOR on a zone (Figure 12):

· Jumper must connect contacts 4 & 7.

LAST DETECTOR on a zone (Figure 12a):

· 2.7K (Red-Gray-Red) EOLR must be installed between contacts 1 & 2

· 5.6K (Green-Blue-Red) EOLR must be installed between contacts 4 & 5

· 10K (Brown-Black-Orange) EOLR must be installed between contacts 7 & 8.

Figure 12b. Multiple detectors per zone 6-wire connection

10K

TROUBLE

5.6K

ALARM

2.7K

POWER

(-)12V

S(-)

S(+)

(+)12V

LAST

DETECTOR

SECOND

DETECTOR

FIRST

DETECTOR

JUMPER

NOTE: Each of the CO Detector inputs is considered a separate zone that corresponds

to a specific zone alarm output i.e. ZONE 1 CO Detector input is associated with the

Z 1 output to the Alarm Panel.

The End Of Line Resistors (EOLR) must be installed as outlined in Figure 13. Note

that the wire lead at one end of the resistor must be bent over against the body of the

resistor so that both leads are at the same end of the package. Cut both leads to the

length shown and insert the leads into the terminal strip as shown. After tightening

the terminal strip screws, tug on the resistor with a pair of needle nose pliers to verify

a good mechanical connection. Install the Mocap plastic sleeve provided, completely

covering the resistor and leads, to protect the leads from contacting other conductive

components.

Figure 13. EOLR installation

Figure 12a. Last detector on a zone configurationFigure 12. First detector on a zone configuration

12VDC ALARM TROUBLE

2345678

NC C NO NC C NO

5.6K Resistor

(Green-Blue-Red)

10K Resistor

(Brown-Black-Orange)

2.7K Resistor

(Red-Gray-Red)

12VDC ALARM TROUBLE

NC C NO NC C NO

Jumper

(Wire)

23456781

(Power Limited)

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 27 28

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SEKURE ITI UltraGard Manual de usuario Pagina 16

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