1-22 DESCRIPTION
FIREFINDER-XLS INSTALLATION, OPERATION AND MAINTENANCE MANUAL | CHAPTER 1
HTRI-M Intelligent Interface The HTRI-M intelligent interface module interfaces direct shorting contact devices,
Module such as panic buttons, with the DLC loops. The HTRI-M can monitor a normally open
or closed dry contact and it can report the status of the contact.
HTRI-S, HTRI-R and HTRI-D The HTRI-S/-R/-D series modules are intelligent interface modules that interface direct
Intelligent Interface Modules shorting contact devices, such as panic buttons, with the DLC loops. The HTRI-S is a
single-input module; the HTRI-R is a single-input module with an independently
controllable Form C relay; the HTRI-D is a dual-input module.
HZM Remote Conventional The HZM is a FireFinder-XLS intelligent device that connects a single zone of
Zone Module conventional devices to a DLC device loop card. The HZM can power up to fifteen
compatible 2-wire, ionization or photoelectric smoke detectors or it can power one
PB-1191 Beam Detector. It can also monitor an unlimited number of shorting devices
such as waterflow switches, thermal detectors, manual stations, etc.
The HZM supports Class A and Class B wiring. The module uses one address on the
device loop. It does not require any mechanical address programming. Use the DPU
Device Programming Unit to program and test the module.
The HZM cannot be used for mass notification applications.
DPU Device Programming The DPU is used to program and test detectors and
Unit devices for MXL and FireFinder-XLS systems. In a
FireFinder-XLS installation, the DPU may be used to check
wiring loops for ground faults and short circuits as well as
to check communication of the installed devices by
displaying the device types and addresses of all devices
on the loop.
MLC INTELLIGENT ANALOG DEVICES
Refer to the MLC Installation Instructions, Document ID A6V10328217, for a list of
devices compatible with the MLC line card.
VPM DEVICES Refer to the VPM Installation Instructions, Document ID A6V10347523, for a list of
VESDA devices compatible with the VPM.
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