Figure 5. Typical wiring for speaker supervision and switching, NFPA Style Y:

AUDIO CIRCUIT WIRING MUST BE TWISTED PAIR AS A MINIMUM. SEE PANEL INSTALLATION MANUAL FOR DETAILED INFORMATION.

AUDIO CIRCUIT

DO NOT LOOP WIRE AROUND TERMINALS

10 & 11. BREAK WIRE TO ENSURE SUPERVISION OF CONNECTIONS.

AUDIO AMPLIFIER, 70.7 Vrms MAX.

AMPLIFIER MUST PROVIDE WIRING

SUPERVISION PER NFPA.

)–(

)–(

47K EOL

 

RESISTOR

 

ELR-47K

 

(+)

(+)

WIRES MUST BE

SUPERVISED PER NFPA

CONTROL

MODULE

)–(

–(

 

(+)

(+)

 

CONNECT MODULES TO LISTED COMPATIBLE

CONTROL PANELS ONLY

 

)–(

FROM PANEL OR

 

 

 

(+)

PREVIOUS DEVICE

 

 

)

SIGNAL LINE CIRCUIT (SLC)

 

32 VDC MAX.

TWISTED PAIR

IS RECOMMENDED

 

MODULE POLARITIES ARE

 

SHOWN IN ALARM

SUPERVISION

TO NEXT CONTROL MODULE

 

LAST MODULE MUST RETURN

 

WIRES FOR SUPERVISION

(–)

TO NEXT

(+)

DEVICE

 

SPEAKERS MUST BE LISTED FOR FIRE

PROTECTION. REFER TO THE RELAY CONTACT

RATING TABLE FOR MAXIMUM LOAD.

*NOTE: ANY FAULT IN THE POWER SUPPLY IS LIMITED TO THAT ZONE AND DOES NOT RESULT IN A FAULT IN A SEPARATE ZONE.

C0915-03

Figure 6. Typical fault tolerant wiring for speaker supervision and switching, NFPA Style Z:

AUDIO CIRCUIT WIRING MUST BE TWISTED PAIR AS A MINIMUM. SEE PANEL INSTALLATION MANUAL FOR DETAILED INFORMATION.

AUDIO CIRCUIT

DO NOT LOOP WIRE AROUND TERMINALS

10 & 11. BREAK WIRE TO ENSURE SUPERVISION OF CONNECTIONS.

AUDIO AMPLIFIER, 70.7 Vrms MAX.

)–(

AMPLIFIER MUST PROVIDE WIRING

 

SUPERVISION PER NFPA.

(+)

 

 

 

47K EOL RESISTOR

)–(

)–(

 

IS INTERNAL AT

 

 

 

TERMINALS 8 & 9

 

 

 

CONNECT MODULES TO LISTED COMPATIBLE CONTROL PANELS ONLY

WIRES MUST BE

 

)–(

FROM

SUPERVISED PER NFPA

 

(+)

PANEL OR

 

PREVIOUS

 

 

 

CONTROL

 

 

DEVICE

 

 

 

MODULE

 

 

 

 

 

SIGNAL LINE CIRCUIT (SLC)

–(

)

32 VDC MAX.

TWISTED PAIR

 

 

(+)

 

IS RECOMMENDED

 

 

 

ALL WIRING SHOWN IS SUPERVISED

AND POWER LIMITED

(+)

(+)

 

BYPASS CAPACITORS: 100µ

 

A2143-20 NONPOLARIZED

SUPERVISION

<10µA LEAKAGE

 

 

MODULE POLARITIES ARE

 

SHOWN IN ALARM

TO NEXT CONTROL MODULE LAST MODULE MUST RETURN WIRES FOR SUPERVISION

(–)

TO NEXT

(+)

DEVICE

 

SPEAKERS MUST BE LISTED FOR FIRE PROTECTION. REFER TO THE RELAY CONTACT RATING TABLE FOR MAXIMUM LOAD.

*NOTE: ANY FAULT IN THE POWER SUPPLY IS LIMITED TO THAT ZONE AND DOES NOT RESULT IN A FAULT IN A SEPARATE ZONE.

C0916-03

SS-460-001

3

I56-3850-002

Page 3
Image 3
System Sensor M500S installation manual Amplifier Must Provide Wiring