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Horn

产品型号:FW971R

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产品介绍

功能特点

The FW971R and FW971W Horns are audible signal appliances listed according to UL 464 and ULC-S525 for indoor use. The temporal tone generated by the horn portion is designed as per ANSI and NFPA72 for standard emergency evacuation signaling requirement. The horn has the feature that can synchronize multiple horns in a complete fire alarm system.

SPECIFICATION


Operating Voltage          

Regulated 16 to 33 VDC/FWR

RMS Operating Current (mA)

DC

35

FWR

47

Sound Level (dBA

Voltage

16V

24V

33V

Reverberant

80

82

85

Anechoic

85

89

91

Directional Characteristics

Horizontal

Axis

Angle

OSPL (dBA)

0° (ref)

0 (ref)

± 44°

-3

± 54°

-6

± 90°

-10.5

Vertical

Axis

Angle

OSPL (dBA)

0° (ref)

0 (ref)

± 52°

-3

± 55°

-6

± 90°

-12

Operating Temperature

0° C to 49° C (32° F to 120° F)

Operating Humidity

0 to 93% RH

Horn Pattern

Temporal 3

Wire Size

12 to 18 AWG

Location

Indoor wall/ceiling

Compatible Model

FW951 Sync Module, FW106 FACP


INTALLATION


1.  Mount the FW900 base onto a 4x4 electrical box, see Figure 1.



Figure 1. Base Installation


2.  Connect the wires. See Figure 2 and Figure 3.



(a) Class A Circuit without Audible Silence Feature



(b) Class A with Audible Silence Feature



(c) Class B without Audible Silence Feature



(d) Class B with Audible Silence Feature


Figure 2 Wiring Diagram with FW951 Sync Module



(a)      Class A Circuit



(b) Class B circuit


Figure 3 Wiring Diagram with FW106 FACP


3.  Combine the horn with base – Align the horn onto the base then twist it in clockwise.

4.  Test for proper operation. Initiate the horn from the connected sync module or FACP and observe for proper operation.


MAINTENANCE


Scheduled inspection and operational test should be carried as per requirement set out by Local Authority Having Jurisdiction.

Return the device for reparation if it fails to alarm during testing. Do not disassemble the detector without permission.

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