Getting Started; Mounting The Cabinet; Wiring - DSC PC5720 Installation Manual

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Mounting the Cabinet

When mounting a new cabinet for the PC5720, select a dry location close to where the serial printer
will be located (if used), or near the F1/F2 subset if DVACS communications is to be used.
To mount the cabinet:
1.From the back of the cabinet, press in the four white circuit board stand-offs into the raised
mounting holes.
2.Holding the cabinet in position, pull all wiring into the cabinet through the hole in the back.
3.Using the provided mounting screws and appropriate wall anchors, mount the cabinet securely to
the wall.
4.Press the PC5720 module onto the plastic stand-offs.

Wiring

Refer to the Hook-up Diagram included in this manual.
Keybus Wires
Connect the red, black, yellow and green wires to the RED, BLK, YEL and GRN terminals on the
control panel, respectively. Refer to your panel's Installation Manual for complete instructions on
Keybus wiring.
Zone Input terminals
The zone inputs Z10 to Z14 as well as A and B will report as PC5010 zones 10-16. This is not
optional. These zones cannot be programmed to enunciate as any other system zones.
The PC5720 zone inputs are as follows:
• The EGND input will report as control panel zone 09. It is a ground fault detection zone only.
When the PC5720 detects an incorrect ground connection, a zone 9 trouble is sent to the control
panel. Zone 09 must be programmed as a 24-hour supervisory zone (zone type 09). A ground
fault cannot cause a false alarm on any zone, nor can it inhibit any zone's performance.
• Zone inputs Z10-Z14 will report as control panel zones 10-14.
• Zones 15 and 16 are normally open Class A loops. These correspond to two sets of A and B
terminals on the PC5720. Zones 15 and 16 must be programmed as Delay Fire (zone type 07) or
Standard Fire (zone type 08). These zones must be connected according to the following
diagram:

Getting Started

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