POTTER PVX-RM Voice Evacuation Remote Microphone

The PVX-RM is a supervised remote microphone panel for use with the PVX 25/50/100 voice evacuation system. The purpose is to allow emergency voice messages to be made over the system speakers from another location remote from the PVX 25/50/100.
The PVX-RM connects via 3 pair shielded cable to the PVX-SC supervisory card, which is mounted within the PVX 25/50/100. Fault conditions in the wiring or in the remote microphone circuitry are reported to the FACP through the same supervisory path as the PVX 25/50/100.

OPERATION

When the PVX-RM microphone is keyed during an alarm condition, the alarm signal and digital message will be interrupted and live voice messages can be broadcast. In normal standby the microphone can be keyed to make announcements at any time. Any time an PVX-RM is keyed the In-Use LED will light on all other PVX-RMs, the other units will be disabled. This is to insure that only one operator is able to page over the system. If the master microphone in the PVX 25/50/100 is keyed it will override any remote microphone.

INSTALLATION

Installer must insure that all wiring and devices installed in system meet the following standards:

National Electrical Code (NFPA 70) NFPA Standard 72
Life Safety Code (NFPA 101)

Install equipment in a clean, dry environment, avoid installation where equipment could be subjected to vibration. Remove electronic assemblies from the enclosure prior to any drilling or punching of the enclosure. Where possible, make all cable entries from the rear or sides. Before making any modifications to the enclosure, be certain that they will not interfere with assemblies.
Insure all power is off before making any wire connections.

WIRING: (Refer to wiring and terminal designation diagrams)

1. Use 3-pair shielded wire (#22 AWG min.) from the PVX 25/50/100 to the PVX-RM remote microphone location.
2. Attach snap-track to the PVX 25/50/100 cabinet. Mount PVX-SC Supervisory Card to snap-track. (May be factory mounted and wired)
3. Make wiring connections as shown on WD-1. Where multiple PVX-RM units are used, insure that EOLR is used on last unit only. Apply power to test.
4. Test systems primary microphone. Test the PVX-RM remote microphone. Activate an Alarm.
   Retest PVX 25/50/100 to insure that tone and message are broadcast.

TERMINAL DESIGNATIONS

PVX-SC

1. TB2

   • Ter. 1 – MIC PTT +24 10mA
   • Ter.2- V+ 24VDC 0.10A
   • Ter. 3 – PTT +24V 10mA
   • Ter. 4 – Audio 1Vrms 10mA
   • Ter. 5 – Ckt Neg.
   • Ter. 6 – Fault +24V 10mA
   • Ter. 7 – Earth Ground

2. TB1

   • Ter. 1 – V+ 24 VDC
   • Ter. 2 – Ckt Neg.
   • Ter. 3 – Fault
   • Ter.4 -PTT
   • Ter. 5 – Audio 1Vrms

3. LED 1

   • Fault (Yellow)
   • PVX-RM

4. TB1

   • Ter. 1 – V+ 24 VDC 0.044A
   • Ter. 2 – Ckt Neg.
   • Ter. 3 – Fault +24V (Pull Down 10mA)
   • Ter. 4 – PTT +24V 10mA
   • Ter. 5 – Audio 1Vrms

5. LED1

   • Fault (Yellow)

6. LED2

   • In Use (Red)

7. VR1

   • Mic Gain (clockwise to increase)

8. P1
   

   • 6 position modular jack (connect to microphone)

SPECIFICATIONS

PVX-SC

• Input Voltage – 24 VDC
• Input Current – 0.033A DC Standby 0.044A DC Active

PVX-RM

• Input Voltage – 24 VDC
• Input Current – 0.033A DC Standby – 0.044A DC Active

NOTE : When circuits are Power Limited, use Power Limited cable as detailed in the National Electrical Code, Article 760, such as FPL or FPLP type cabling.
Field wiring connections:

• 6-32 wire clamp screw 14-18 AWG

• 8-32 wire clamp screw 12-18 AWG Horizontal wire entry terminal 18-26 AWG Wire gauge determined by circuit load

For technical assistance please call: 866-956-1211
5757 Phantom Dr. St. Louis, Missouri 63042 www.pottersignal.com

P/N 1-5015 REV. C
firealarmresources.com

References

• Fire Alarm Resources | Download fire alarm documents
• Potter Electric: Fire Alarms & Fire Sprinkler Systems

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