wheelock MIZ-24S Service Manual

FIRE ALARM SYSTEMS

Description:

Wheelock Series MIZ piezoelectric Mini Horns are
compact electronic alarm appliances that are listed
under CAN/ULC-525-99 for Audible Signal Appliances.
The Series MIZ offer field selectable settings for
Temporal (Code 3) or Continuous Horn along with an
attractive appearance and dependable performance. The
Series MIZ offers high sound output along with low
current draw and is ideal for alarm signaling in individual
rooms, apartments, hotels, motels and offices. Color
choices of red or off-white will blend with any décor .

Applications:

• Individual Rooms

• Apartments

• Hotels

• Motels

• Offices

Wiring Diagrams (for all models)

FROM
PRECEDING
APPLIANCE
OR FACP

+

-

TO NEXT

+

APPLIANCE

-

OR EOLR

Helping People Take Action

SERIES MIZ MINI HORN

TEMPORAL (CODE 3) OR

CONTINUOUS TONE

SERIES MIZ

Features:

• Approvals include: CAN/ULC-S525-99 for Audible
Signal Appliances

• Field selectable settings for Temporal (Code 3) or
Continuous Horn.

• Designed to meet or exceed NFP A/ANSI standards.

• Convenient mounting to any standard single-gang box.

• No additional trimplate required for flush mounting

• Fast installation with In/Out screw terminals using
#12 to #18 AWG.

• High sound output/low current draw/low temperature
compensation.

• A vailable in red or off-white color .

INC.

SM

-

+

Specifications and Ordering Information

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*Refer to Data Sheet S7000 for Mounting Options.

General Notes:

• Mini Horn models are Listed for indoor use with a temperature range of 0º C to 49º C (32º F to 120º F) and maximum
humidity of 93% RH ±2%.

• Rated Input voltage (either filtered DC or unfiltered full-wave-rectified FWR): 16-33 VDC (for 24 VDC MIZ-TC)

• MIZ-TC audible appliances are not designed to be used on coded systems in which the applied voltage is
cycled on and off. Not designed to be used with Sync Modules (SM or DSM).

Copyright 2005 Wheelock Inc. All rights reserved.

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22

Architects and Engineers Specifications

The notification appliance shall be a Wheelock Series MIZ audible appliance or approved equal. The MIZ Notification Appliance shall
be electronic and shall have field selectable settings for Temporal (Code 3) or Continuous horn. The sound pressure measurement
on Temporal (Code 3) setting shall be 87 dBA minimum at 24VDC. The sound pressure measurement on Continuous Horn setting
shall be 87 dBA minimum at 24 VDC. Operating voltage shall be 24 VDC using filtered power or unfiltered power supply (full-wave­rectified). All models shall have provision for standard reverse polarity type supervision and IN/OUT wiring using terminals that
accept #12 to #18 AWG wiring. The appliances shall be mounted indoors and mount on standard electrical backboxes requiring no
additional trimplates or adapters.

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0.02420.720.4848

S42-ZIM

0.42520.830.7878

0.13620.340.0998

NOTE: All CAUTIONS and W ARNINGS are identified by the symbol . All warnings are printed in bold capit al letters.
W ARNING: PLEASE READ THESE SPECIFICA TIONS AND ASSOCIA TED INST ALLATION INSTRUCTIONS CAREFULLY
BEFORE USING, SPECIFYING OR APPLYING THIS PRODUCT. FAILURE TO COMPLY WITH ANY OF THESE INSTRUCTIONS,
CAUTIONS OR 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.
W ARNING: CONT ACT WHEELOCK FOR THE CURRENT “INSTALLA TION INSTRUCTIONS” (P83963) AND “GENERAL
INFORMATION” SHEET (P82380) ON THESE PRODUCTS. THESE DOCUMENTS UNDERGO PERIODIC CHANGES. IT IS
IMPORTANT THAT YOU HAVE CURRENT INFORMATION ON THESE PRODUCTS. THESE MATERIALS CONTAIN IMPORTANT
INFORMATION THAT SHOULD BE READ PRIOR TO SPECIFYING OR INSTALLING THESE PRODUCTS, INCLUDING:

• TOTAL CURRENT REQUIRED BY ALL APPLIANCES CONNECTED TO SYSTEM SECONDARY POWER SOURCES.

• FUSE RATINGS ON NOTIFICATION APPLIANCE CIRCUITS TO HANDLE PEAK CURRENTS FROM ALL APPLIANCES ON THOSE
CIRCUITS.

• THE VOLTAGE APPLIED T O THESE PRODUCTS MUST BE WITHIN THEIR RATED VOL TAGE RANGE.

• FAILURE TO COMPLY WITH THE INSTALLATION INSTRUCTIONS OR GENERAL INFORMATION SHEETS COULD RESULT IN
IMPROPER INSTALLATION, APPLICATION, AND/OR OPERA TION OF THESE PRODUCTS IN AN EMERGENCY SITUA TION, WHICH
COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.

• CONDUCTOR SIZE (AWG), LENGTH AND AMPACITY SHOULD BE TAKEN INTO CONSIDERATION PRIOR TO DESIGN AND
INSTALLATION OF THESE PRODUCTS, P ARTICULARLY IN RETROFIT INSTALLA TIONS.

Wheelock products must be used within their published specifications and must be PROPERL Y specified, applied, inst alled, operated,
maintained and operationally tested in accordance with their installation instructions at the time of installation and at least twice a year or
more often and in accordance with local, state and federal codes, regulations and laws. Specification, application, installation, operation,
maintenance and testing must be performed by qualified personnel for proper operation in accordance with all of the latest National Fire
Protection Association (NFP A), Underwriters’ Laboratories (UL), National Electrical Code (NEC), Occupational Safety and Health
Administration (OSHA), local, state, county , province, district, federal and other applicable building and fire standards, guidelines,
regulations, laws and codes including, but not limited to, all appendices and amendments and the requirements of the local authority having
jurisdiction (AHJ).

NOTE: Due to continuous development of our products, specifications and offerings are subject to change without notice in
accordance with Wheelock Inc. standard terms and conditions.

WE SUPPORT AND ENCOURAGE NICET CERTIFICATION

MADE IN THE USA

NATIONAL SALES OFFICE

800-631-2148

Canada 800-397-5777

E-Mail: [e-mail]

http://www.wheelockinc.com

273 BRANCHPORT AVENUE • LONG BRANCH, NJ 07740 • TEL: [phone] • FAX: [phone]

23

3 YEAR WARRANTY

Distributed By:

S1700C 05/05