Wheelock CH Series
Electronic Chimes & Chime Strobes
Description
Wheelock’s Series CH Chimes and
Chime Strobes minimize alarm system
power supply requirements and wiring
costs with a low current draw and a
patented chime mounting plate for fast,
easy installation. Each model has a
built-in level adjustment feature and an
aesthetic two (2) screw grille cover.
Features
• ADA/NFPA/UFC/ANSI compliant
• Complies with OSHA 29 Part
1910.165
• Wall mount models are available
with Field
Selectable Candela Settings of 15/
30/75/110cd or 15/75cd (single
candela model)
• Ceiling mount models are avail-
able with field selectable candela
settings of 15/30/75/95cd
• Low current draw with temperature
compensation to reduce power
consumption and wiring costs
• Strobes produce once per second
over the regulated voltage range
• 24 VDC with wide UL “Regulated
Voltage” using filtered DC or
unfiltered VRMS input voltage
• Synchronize with Wheelock SM,
DSM or any power supply with
built-in Wheelock sync protocol
• Adjustable Volume and Tone
Control
• Single Stroke or Vibrating Opera-
tion
• Fast Installation with IN/OUT screw
terminals using 12 to 18 AWG
wires
CH70 Series
These unique solid-state chime
appliances provide field selectable
single-stroke or vibrating operation with
Anechoic sound levels adjustable up to
83 dB and tone adjustable from 800 to
1200 Hz.
Strobe options for wall mount models
include 15/75cd or Wheelock’s patented
MCW multi-candela strobe with field
selectable candela settings of 15/30/75/
110cd.
CH90 Series
Ceiling mount models are available in
Wheelock’s patented MCC multi-
candela ceiling strobe with field
selectable intensities of 15/30/75/95cd.
The strobe portion of all Series CH
Chime Strobes may be synchronized
when used in conjunction with the
Wheelock SM, DSM Sync Modules or
a power supply with patented Wheelock
Sync
Protocol.
Wheelock’s
synchronized strobes offer an easy way
to comply with ADA recommendations
concerning photosensitive epilepsy as
well as meeting the requirements of
NFPA 72 and UFC.
Listings
Listings and approvals below
apply to the basic CH Series
Electronic Chimes and Chime
Strobes. 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: files E5946: E5946/
S5391
• MEA Listed. file 151-92-E Vol. XXI
• CSFM approved: file 7135-
0785:151
Multi-Candela Indicator
(bottom of Strobe Lens)
The Series CH Chime Strobes are UL
Listed for indoor, wall or ceiling mount
applications under Standard 1971 for Signaling Devices for the Hearing-Impaired
and under Standard 464 for Private Mode Audible Signal Appliances. They are
available in two attractive package styles for flush mounting to standard electrical
boxes or convenient surface mounting. All models include IN/OUT wiring
terminations that accept two 12 to 18 AWG wires at each terminal. Inputs are
polarized for compatibility with industry standard reverse polarity supervision.
CH Series
CS-2239 06/01/04
Page 1 of 4
General Notes
•
•
•
•
Strobes are designed to flash once per second minimum over their “Regulated
Voltage Range”. Note that NFPA-72 specifies a flash rate of 1 to 2 flashes per
second and ADA Guidelines specify a flash rate of 1 to 3 flashes per second.
All candela ratings represent minimum effective Strobe intensity based on UL
Standard 1971.
Series E Speaker Strobes and Series E Speakers are listed under UL Standard
1971 for indoor use with a temperature range of 32°F to 120°F (0°C to 49°C)
and maximum humidity of 85%.
“Regulated Voltage Range” is the newest terminology used by UL to identify
the voltage range. Prior to this change UL used the terminology “Listed
Voltage Range”.
CONTACT
WHEELOCK
FOR THE CURRENT “INSTALLATION
INSTRUCTIONS” 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 IMPOR-
TANT 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.
• COMPOSITE FLASH RATE FROM
MULTIPLE STROBES WITHIN A
PERSON’S FIELD OF VIEW.
• ADDING, REPLACING OR CHANGING
APPLIANCES OR CHANGING CANDELA
SETTINGS WILL AFFECT CURRENT
DRAW. RECALCULATE CURRENT
DRAW TO INSURE THAT THE TOTAL
AVERAGE CURRENT AND TOTAL PEAK
REQUIRED BY ALL APPLIANCES DO
NOT EXCEED THE RATED CAPACITY OF
THE POWER SOURCES OR FUSES.
• THE VOLTAGE APPLIED TO THESE
PRODUCTS MUST BE WITHIN THEIR
“REGULATED VOLTAGE RANGE”.
• INSTALLATION OF 110 CANDELA
STROBE PRODUCTS IN SLEEPING
AREAS.
• INSTALLATION IN OFFICE AREAS AND
OTHER SPECIFICATION AND INSTALLA-
TION ISSUES.
• USE STROBES ONLY ON CIRCUITS
WITH CONTINUOUSLY APPLIED
OPERATING VOLTAGE. DO NOT USE
STROBES ON CODED OR INTERRUPTED
CIRCUITS IN WHICH THE APPLIED
VOLTAGE IS CYCLED ON AND OFF AS
THE STROBES MAY NOT FLASH.
• FAILURE TO COMPLY WITH THE
INSTALLATION INSTRUCTIONS OR
GENERAL INFORMATION SHEETS
COULD RESULT IN IMPROPER INSTAL-
LATION, 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.
Engineering’s Specifications
The chime appliances shall be Wheelock Series CH Chimes and the chime strobe
appliances shall be Wheelock Series CH Chime Strobes or approved equals. The
chime shall be UL Listed under Standard 464 for Audible Signal Appliances and
chimes equipped with strobes shall be listed under UL Standard 1971 for Emergency
Devices for the Hearing-Impaired. In addition, the strobes shall be certified to meet
the requirements of FCC Part 15, Class B and shall incorporate low temperature
compensation to ensure the lowest possible current consumption.
All chimes shall use solid state components and shall provide field selectable single
stroke or vibrating operation with volume control and tone control. All models shall
have a peak Anechoic sound output of 83 dB at 10 feet and an adjustable frequency
range of 800 to 1200 Hz. All inputs shall employ terminals that accept 12 to 18 AWG
wire sizes.
The strobe portion of the appliance shall produce a flash rate of one (1) flash per
second over the Regulated Voltage Range and shall incorporate a Xenon flashtube
enclosed in a rugged Lexan® lens. The strobe shall be of low current design. Where
Multi-Candela Chime Strobes are specified, the strobe intensity shall have a mini-
mum of four (4) field selectable settings and shall be rated per UL Standard 1971 at:
15/30/75/110cd or 135/185cd for wall mount and 15/30/75/95cd or 115/177cd for
ceiling mount. The selector switch for selecting the candela shall be tamper resistant
and not accessible from the front of the appliance. The 1575 candela strobe shall be
specified when 15 candela UL Standard 1971 listing with 75 candela on-axis is
required (e.g. ADA compliance).
When synchronization is required, the strobe portion of the appliance shall be com-
patible with Wheelock’s SM, DSM sync modules or any power supply with built-in
Patented Wheelock Sync Protocol. The strobes shall not drift out of synchronization at
any time during operation. If the sync module or Power Supply fails to operate, (i.e.,
contacts remain closed), the strobe shall revert to a non-synchronized flash rate.
The chime and the chime strobe appliances shall be designed for indoor surface or
flush mounting. The chime and chime strobe shall incorporate a chime mounting
plate with a grille cover which is secured with two screws for a level, aesthetic finish
and shall mount to standard electrical hardware requiring no additional trimplate or
adapter.
All chime and chime strobe appliances shall be backward compatible.
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 appen-
dices and amendments and the requirements of the local authority having jurisdiction (AHJ).
Page 2 of 4
CH Series
CS-2239 06/01/04
NOTE: All CAUTIONS and WARNINGS are identified by the symbol
. All warnings are printed in bold capital
letters. PLEASE READ THESE SPECIFICATIONS AND ASSOCIATED INSTALLATION INSTRUCTIONS CAREFULLY BEFORE USING, SPECI-
FYING 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.
Ordering Information
MODEL
CH70-24MCW-FR
CH70-24MCW-FW
STROBE
CANDELA
15/30/75/110
15/30/75/110
NON-
SYNC
X
X
X
X
X
X
SYNC
W/SM,
DSM
X
X
X
X
X
X
MODEL
COLOR
Red
White
Red
White
Red
White
WALL/
CEILING
MOUNT
Wall
Wall
Wall
Ceiling
Wall/Ceiling
Wall/Ceiling
MOUNTING
OPTIONS**
L,O,P,Q,U,Y
L,O,P,Q,U,Y
L,O,P,Q,U,Y
L,O,P,Q,U,V,Y
L,O,P,Q,U,V,Y
L,O,P,Q,U,V,Y
AGENCY APPROVALS
UL
X
X
X
X
X
X
MEA CSFM BFP
X
X
X
*
X
X
X
X
X
X
X
X
X
X
X
*
X
X
CH70-241575W-FR 15 (75 on Axis)
CH90-24MCC-FW
CH70-24-R
CH90-24-W
15/30/75/95
-
-
* 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.
TABLE 1: AVERAGE RMS CURRENT*
CH70/C90
CHIMES
16 vdc
24 vdc
33 vdc
CH70 STROBE CURRENT - WALL MOUNT
241575W
15/75cd
0.101
0.064
0.047
24MCW
15cd
0.062
0.041
0.032
30cd
0.102
0.065
0.047
75cd
0.192
0.116
0.081
110cd
0.265
0.155
0.107
24MCWH
135cd
0.300
0.195
0.145
185cd
0.420
0.270
0.190
15cd
0.068
0.045
0.035
CH90 STROBE CURRENT - CEILING MOUNT
24MCC
30cd
0.112
0.072
0.052
75cd
0.211
0.128
0.089
24MCCH
95cd 115cd
0.292 0.300
0.171 0.195
0.118 0.145
177cd
0.420
0.270
0.190
TABLE 2: CHIME dBA RATINGS
PEAK
dBA
@ 10 ft.
ANECHOIC
83
dBA @ 10 ft.
REVERBERANT
Min
52
Max
58
CH70/CH90
SOUND LEVEL
Application
1. The chimes are factory set in single stroke (SS) mode. They can be
changed to vibrating (VIB) mode with jumper on PC Board. SINGLE STROKE
OPERATION: The minimum input pulse duration must be at least 160 ms “on”
time and 160 ms “off” time. The chime will only operate once each time it is
pulsed. This mode is recommended for coded systems. VIBRATING OP-
ERATION: Continuous input voltage applied to the chime will activate the
chime at one-second intervals.
2. The volume and tone controls have been adjusted at the factory to insure
maximum dBA output. However, once the mode is selected, the installer
may want to fine-tune the signal to better suit the application.
3. Anechoic dBA is measured in an anechoic chamber with peak meter re-
sponse. Reverberant dBA is rated per UL Standard 464.
4. Chime inrush current is 0.100 amps maximum with filtered DC input (0.140
amps with VRMS input voltage) with a time duration of 100 milliseconds.
S Y N C M O D E LS / P O W E R S U P P LY
M OD EL
N UM B E R
IN P U T
V O LT A G E
(VD C )
24
24
A VER A GE
M EA N
C UR R E N T
@ 24 VD C
.028
.035
M O U N T IN G
O P T IO N S
W
W
SM Sync Module is rated for
3.0 amperes @ 24 VDC.
DSM Sync Module is rated
for 3.0 amperes per circuit.
The maximum number of
interconnected
DSM
modules is twenty (20).
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
SM -1
2/24-R
D SM -1
2/24-R
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 4 of 4
CH Series
CS-2239 06/01/04
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