Circuit Types; Initiating Device Circuit - Mircom QX-mini Installation And Operation Manual

Emergency and fire alarm audio system
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NOTICE TO USERS, INSTALLERS, AUTHORITIES HAVING JURISDICTION, AND OTHER INVOLVED PARTIES
This product incorporates field-programmable software. In order for the product to comply with the requirements in the Standard for
Control Units and Accessories for Fire Alarm Systems, UL 864, certain programming features or options must be limited to specific
Program feature or
option
Second Stage Enabled
AC Trouble Relay
Battery/Charger Trouble
Ground Fault
Page Inhibited (in Canada
only)
6.1

Circuit Types

This section refers to any field wiring involved in communication between boards, speakers, or
strobes. These connections include: Initiating Device Circuits and Notification Appliance
Circuits (NAC). All NACs are synchronized by internally or externally generated control
signals. When a FACP is used, it has full control as to how the system responds to an alarm or
manual control request.
6.2

Initiating Device Circuit

The QX-mini may use an FACP as an Initiating Device Circuit via the Signaling Line Circuit or
Relay Activation or Sync Input.
6.2.1 Relay Inputs
The QX-mini may receive initiating relay signals from the FACP:
for either Stage 1 or Stage 2 alarm activation (as common relay)
6.2.2 Synch Inputs
The QX-mini can receive a synchronizing signal from the FACP for panel and NAC control.
i
Note:
98
values or not used at all as indicated below.
Permitted
Permitted in
in ULC
UL 864? (Y/N)
S527? (Y/N)
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
The inter-panel synchronization supports up to a total of four units.
Possible settings
Second Stage Enabled/Disabled
Return Specific ULC Trouble
Return Specific ULC Trouble
Return Specific ULC Trouble
User Configurable LED
Operation
Settings permitted in
UL 864
Second Stage Enabled
Reporting of ULC Specific
trouble is permitted
Reporting of ULC Specific
trouble is permitted
Reporting of ULC Specific
trouble is permitted
Settings permitted in
UL S527:
Page Inhibited when in
FACP alarm or alarm test
condition.

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