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Long Branch, N.J.  07740 
(800)  631-2148 - US   

 

 

 

 

 

 

 

 

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(800)  397-5777 – Canada 

 

 

 

 

 

 

                    INSTALLATION INSTRUCTIONS 

www.cooperwheelock.com

   

 

 

 

 

 

 

 

 

 

 

        MIZ-MINI HORNS 

 

Use this product according to this instruction manual.  Please keep this instruction manual for future reference. 

 

GENERAL: 

Electronic MIZ-Mini Horns are designed to produce high sound output with minimal current requirements.   They are UL Listed under UL 464, Standard for Audible 
Signal Appliances and ULC Listed under Standard CAN/ULC-S525-99, Standard for Audible Signal Appliances For Fire Alarm Systems

.

 All inputs are polarized for 

compatibility with standard reverse polarity supervision of circuit wiring by a Fire Alarm Control Panel (FACP).  MIZ-Mini Horns are recommended for alarm 
signaling for individual rooms in apartments, motels, hotels and offices.  These appliances are attractive in appearance and reliable performers.  They mount to standard 
backboxes to reduce the cost of installation.  All models are Listed for indoor use with the backboxes specified in these instructions (See Mounting Options). 
 
They provide a selectable Continuous or Code 3 horn tone when connected directly to a Fire Alarm Control Panel (FACP).  They can also provide a synchronized Code 
3 horn tone when used in conjunction with a Sync Module (SM), Dual Sync Module (DSM) or Wheelock’s Power Supplies. 
 
MIZ-Mini Horns can be used on coded systems where the applied voltage is cycled on and off. 
 

NOTE

:  All 

CAUTIONS

 and 

WARNINGS

 are identified by the symbol 

.  All warnings are printed in bold capital letters. 

 

WARNING:  PLEASE READ THESE INSTRUCTIONS CAREFULLY.  FAILURE TO COMPLY WITH ANY OF THE FOLLOWING 

INSTRUCTIONS, CAUTIONS AND WARNINGS COULD RESULT IN IMPROPER APPLICATION, INSTALLATION AND/OR OPERATION OF 
THESE PRODUCTS IN AN EMERGENCY SITUATION, WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO 
YOU AND/OR OTHERS. 
 

WARNING:  THE MIZ APPLIANCE IS A “FIRE ALARM DEVICE – DO NOT PAINT.” 

 
SPECIFICATIONS: 

 

Table 1:  UL and ULC Listed Models and Ranges

 

Models 

Regulated 

Voltage Range Limit 

Voltage Range Per 

 

Voltage 

Per UL 464 

CAN/ULC-S525-99 

 (VDC/VRMS) 

(VDCVRMS) 

(VDC/VRMS) 

MIZ-24S 24  16.0-33.0 

20.0-31.0 

 

Table 2:  UL/ULC dBA Sound Output 

Description 

Reverberant Per UL 464 @ 10 Ft. 

Anechoic dBA Per CAN/ULC-S525-99 

 

16.0VDC 24.0VDC 33.0VDC  20.0VDC  24.0VDC  31.0VDC 

Continuous 

Horn 79 83 85  84  87   

90 

Code 3 Horn 

75 

78 

81 

84 

87 

89 

 

 
 
 

Table 3:  UL Current Ratings (AMPS)  

Maximum RMS Current  

DC 16.0-33.0VDC 

0.026 

FWR 16.0-33.0VRMS 

0.043 

P84408 H 

Sheet 1 of 4

  

 
 
 

 

Table 3A:  ULC Current Ratings (AMPS)

 

Rated Average Current  

20.0VDC .024 

24.0VDC .025 

31.0VDC .026 

20.0VRMS .027 

24.0VRMS .038 

31.0VRMS .043 

WARNING:  FOR UL APPLICATIONS THESE APPLIANCES WERE TESTED TO THE OPERATING VOLTAGE LIMITS OF 16.0-33.0 VOLTS 

FOR 24.0VDC MODELS USING FILTERED (DC) OR UNFILTERED FULL-WAVE-RECTIFIED (FWR).  DO NOT APPLY 80% AND 110% OF THESE 

VOLTAGE VALUES FOR SYSTEM OPERATION. 
 

WARNING:  FOR ULC APPLICATIONS THESE APPLIANCES WERE TESTED TO THE OPERATING VOLTAGE LIMITS OF 20.0-31.0 VOLTS 

FOR 24VDC MODELS USING FILTERED (DC) OR UNFILTERED FULL-WAVE-RECTIFIED (FWR).  APPLY 80% AND 110% OF THESE VOLTAGE 

VALUES FOR SYSTEM OPERATION. 

 
Copyright 2006 Cooper Wheelock, Inc.  All rights reserved. 

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