Wheelock MIZ-24S
Mini Horn Series
Description
Wheelock Series MIZ piezoelectric Mini
Horns are compact electronic alarm ap-
pliances that are listed under UL Stan-
dard 464 for Audible Appliances in Pub-
lic Mode Fire Protection Systems. The
Series MIZ-24S models provide a field
selectable Continuous or Code 3 horn
tone when connected directly to a fire
alarm control panel. They can also pro-
vide a synchronized code 3 horn tone
when used in conjunction with
Wheelock’s Sync Module (SM), Dual
Sync Module (DSM) or a power supply
with the patented Wheelock Sync pro-
tocol. The series MIZ appliances are at-
tractive, offer high sound output along
with low current draw and are ideal for
alarm signaling in individual rooms,
apartments, hotels, motels and offices.
Color choices of red or off-white will blend
with any décor.
Features
•
Field selectable settings for
Temporal (Code 3) or Continuous
Horn
used with Wheelock’s Sync
Module
NFPA/ANSI standards
•
Synchronized code 3 horn when
•
Designed to meet or exceed
•
Convenient mounting to any
standard single-gang box
screws
•
Beauty plugs to cover mounting
•
No additional trimplate required
for flush mounting
•
Fast installation with In/Out
screw terminals using
•
#12 to #18 AWG
•
High sound output with low
current draw
•
Available in red or off-white color
Applications:
•
•
•
•
•
Individual Rooms
Apartments
Hotels
Motels
Offices
General Notes
•
Mini Horn models are listed for indoor use with a temperature range of 32º F
to 120º F (0º C to 49º C) and maximum humidity of 93% RH ±2%.
Listings
Listings and approvals below
apply to the basic Wheelock
MIZ-24S Mini Horn Series. In
some cases, certain modules
may not be listed by certain
approval agencies, or listing may
be in process. Consult factory
for latest listing status.
•
•
•
•
•
UL Listed: file E5946.
ULC Listed: file CS243.
MEA approved: file 151-92-E.
FM Approved.
CSFM approved: file 7135-
0785:115
•
Rated Input voltage (either filtered DC or unfiltered full-wave-rectified FWR):
16-33 VDC (for 24 VDC MIZ-24S models)
CAUTION:
Audible Horn appliances are not designed to be used on coded
systems in which the applied voltage is cycled on and off.
Wheelock products must be used within their published specifications and
must be PROPERLY specified, applied, installed, 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 (NFPA), 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).
MIZ-24S Mini Horn Series
CS-2232
06/01/04
Page 1 of 2
Engineer’s Specifications
The notification appliance shall be a Wheelock MIZ-24S audible appliance or
approved equal. The Notification Appliance shall be electronic and shall have
field selectable settings for Temporal (Code 3) or continuous horn and support
coded systems operation. The anechoic sound pressure measurement on
Temporal (Code 3) setting shall be 87 dBA minimum at 24VDC. The anechoic
sound pressure measurement on Continuous Horn setting shall be 87 dBA
minimum at 24 VDC. Operating voltages shall be 24 VDC using filtered power
or unfiltered power supply (full-wave-rectified). 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 single-gang electrical backboxes requiring no additional
trimplates or adapters.
Table 1: UL Listed Models and Ranges
Average
UL 464 @ 10ft
Regulated
RMS
Model
UL
Continuous Code 3
Current
Voltage
(AMPS)
dBA
dBA
16
MIZ-24S
24
33
0.012
0.017
0.024
79.7
83.2
85.8
75.5
78.8
81.3
Anechoic dBA @ 10ft
Continuous
dBA
84.8
87.9
90.6
Code 3
dBA
84.7
87.9
89.7
B
Mounting
Options**
*Average RMS Current is per UL average RMS method and Average Mean Current is per UL Average
Mean method. For rate in Rush and Peak current across the UL listed voltage range for both filtered DC
and unfiltered VRMS (FWR), see installation instructions.
** Refer to mounting options data sheet.
PLEASE READ
THESE
SPECIFICATIONS
AND
ASSOCIATED
INSTALLATION
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.
WARNING:
CONTACT
WHEELOCK FOR THE CURRENT
“INSTALLATION INSTRUCTIONS”
(P84408)
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 APPLI-
ANCES ON THOSE CIRCUITS.
• THE VOLTAGE APPLIED TO THESE
PRODUCTS MUST BE WITHIN THEIR
RATED VOLTAGE RANGE.
• FAILURE TO COMPLY WITH THE
INSTALLATION INSTRUCTIONS OR
GENERAL INFORMATION SHEETS
COULD RESULT IN IMPROPER
INSTALLATION, APPLICATION, 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.
• CONDUCTOR SIZE (AWG), LENGTH
AND AMPACITY SHOULD BE TAKEN
INTO CONSIDERATION PRIOR TO
DESIGN AND INSTALLATION OF
THESE PRODUCTS, PARTICULARLY IN
RETROFIT INSTALLATIONS.
Model
MIZ-24S-R
MIZ-24S-W
Mounting
Description
Options**
24 Volt, Red
24 Volt, White
B
B
Wiring Diagram
The Gamewell Company
12 Clintonville Road
Northford, CT 06472-1610
Phone: 203-484-7161
Fax: 203-484-7118
www.gamewell.com
A Honeywell Company
© 2004 Gamewell
Specifications and wiring information are provided for information only and are believed
to be accurate. Gamewell assumes no responsibility for their use.
Data and design are subject to change without notice. Installation and wiring
instructions shipped with the product shall always be used for actual installation. For
more information, contact Gamewell.
Page 2 of 2
MIZ-24S Mini Horn Series
CS-2232
06/01/04
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