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8 Reference & Installation Manual

738 Ultra employ two ways of wiring ATZ connections: ATZ series connections and ATZ parallel connections. The control panel

will recognize the installed devices as shown in Figure 15. The extra zones function exactly like any other zone displaying zone

status on the keypad and sending separate alarm codes for each zone. For more information on programming the options

mentioned in the following sections, refer to see Zone Definitions on page 25.

Figure 15: Zone Recognition with ATZ Enabled

2.11.1 N.C. Contacts, Without EOL Resistor, ATZ Series

If your security installation does not require tamper or wire fault recognition, but you are using the ATZ feature, connect

the detection devices and program the control panel as shown in Figure 16. Do not use devices with normally open

contacts, as this will cause the system to remain in alarm. This setup will communicate the status of each device to the

control panel (see Figure 15 on page 8) and display open zones on the keypad.

Figure 16: N.C. Contacts, without EOL Resistor

Control Panel Terminals Control Panel Terminals

ATZ Series Wiring (728 Ultra) ATZ Parallel Wiring (728 Ultra)

ATZ Series Wiring (738 Ultra)

ATZ Parallel Wiring (738 Ultra)

Control Panel Terminals

Address 088, [MEM] = ON (EOL resistor disabled)

[0] = OFF

[

STAY] = OFF

Address 090, [7] = OFF (ATZ wiring in series)

[8] = ON (ATZ enabled)

Tamper/Wire Fault disabled.

Paradox 738ULT User Manual

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