wheelock HS4-241575 INSTALLATION INSTRUCTIONS
273 Branchport Avenue
Long Branch, NJ 07740 Thank you for using our products.
(800) 631-2148 INSTALLATION INSTRUCTIONS
www.wheelockinc.com SERIES HS4-241575W FOUR WIRE APPLIANCES
(WALL MOUNT VERSIONS)
Use this product according to this instruction manual. Please keep this instruction manual for future reference.
GENERAL:
Wheelock’s Series HS4-241575W Horn Strobe can provide a non-synchronized strobe appliance when connected directly to a fire alarm control panel (FACP), or
provide a synchronized strobe appliance when used in conjunction with a Sync Module (SM), Dual Sync Module (DSM) or Wheelock power supplies. The HS4241575W allows for independent operation of the strobe circuit and the horn circuit. It is the ideal choice for retrofit applications as well as new installations. The
HS4-241575W Appliance is UL Listed under Standard 1971 for Signaling Devices for the Hearing Impaired and UL Standard 464 for Audible Signal Appliances. It is
listed for indoor use only
information). This appliance is listed for wall mounting only
polycarbonate lens to provide maximum visibility and reliability for effective visible signaling.
and can be mounted to double-gang, 4” backbox, 100mm European backbox or SHBB surface backbox (See wiring and mounting
. The HS4-241575W appliance uses a xenon flashtube with solid state circuitry enclosed in a
The horn portion of the HS4-241575W Appliance can be field set to provide a continuous horn when connected directly to the FACP, or synchronized code 3 horn
when used in conjunction with the Sync Module (SM), Dual Sync Module (DSM) or Wheelock power supplies. The horn can be field set to provide either high (HI)
dBA, medium (MED) dBA or low (LO) dBA sound output.
NOTE: The Code 3 temporal pattern (1/2 second on, 1/2 second off, 1/2 second on, 1/2 second off, 1/2 second on, 1-1/2 off and repeat) is specified by ANSI and
NFPA 72 for standard emergency evacuation signaling. The Code 3 Horn should be used only for fire evacuation signaling and not for any other purpose.
The HS4-241575W is designed for use with either filtered DC or unfiltered full-wave-rectified (FWR) input voltage. All inputs are polarized for compatibility with
standard reverse polarity supervision of circuit wiring by a Fire Alarm Control Panel (FACP).
WARNING: PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE USING THIS PRODUCT. FAILURE TO COMPLY WITH ANY OF THE FOLLOWING
INSTRUCTIONS, CAUTIONS AND WARNINGS COULD RESULT IN IMPROPER APPLICATION, CANDELA SETTING, 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.
SPECIFICATIONS:
Model
HS4-241575W 24 16.0-33.0 15
Table 1: UL Listed Models and Ratings
Regulated
Voltage
(VDC/VRMS)
Voltage Range
Limit Per UL 1971
(VDC/VRMS)
NOTES:
1. The strobe will produce 1 flash per second over the "Regulated Voltage" range.
2. This horn/strobe model meets the required light distribution patterns defined in UL 1971. The on-axis light output is 75 candela.
3. This model is UL/ULC Listed for indoor use with a temperature range of +32°F to +120°F (0°C to +49°C) and maximum humidity of 93% ± 2% RH. The effect
of shipping and storage temperatures shall not adversely affect the performance of the appliance when it is stored in the original cartons and not subjected to
misuse or abuse.
Table 2: dBA Sound Output for 24VDC Models
Description Volume Reverberant Per UL 464
16.0VDC 24VDC 33.0VDC
Low 80 83 86
Continuous Horn Medium 85 88 91
High 88 91 93
Low 75 79 82
Code 3 Horn Medium 80 84 86
High 84 87 89
Table 3: Current Ratings (Horn Only)
Maximum RMS Current (Amps)
Voltage Lo Med Hi
DC 16-33VDC 0.027 0.068 0.110
FWR 16-33VRMS 0.041 0.050 0.094
Table 3A: Current Ratings (Strobe Only)
Maximum RMS Current (Amps)
Voltage 2415/75W
DC 16-33VDC 0.090
FWR 16-33VRMS 0.145
When calculating the total current: Use Table 3 & 3A to determine the highest value of “RMS Current” for an individual HS4 then multiply the value by the total
number of NS Appliances. Be sure to add the currents for any other appliances powered by the same source and to include any required safety factors.
NOTE: The maximum number of strobes on a single notification appliance circuit shall not exceed 50.
CAUTION: These notification appliances are UL Listed as “Regulated”. They are intended to be used with FACPs whose notification circuits are UL Listed as
“Regulated.” These appliances shall not be used on UL Listed “Special Application” notification circuits unless the appliances are identified to be compatible in the
installation instructions of the FACP or unless the FACP is identified to be compatible in this instruction manual.
Copyright 2005 Wheelock, Inc. All rights reserved. P84403 G
Strobe
Candela
(cd)
Sheet 1 of 4
WARNING: THESE APPLIANCES WERE TESTED TO THE REGULATED VOLTAGE LIMITS OF 16.0-33.0 VOLTS FOR 24V MODELS USING FILTERED DC OR
UNFILTERED FULL-WAVE-RECTIFIED VOLTAGE. DO NOT APPLY VOLTAGE OUTSIDE OF THIS RANGE.
WARNING: CHECK THE MINIMUM AND MAXIMUM OUTPUT OF THE POWER SUPPLY AND STANDBY BATTERY AND SUBTRACT THE VOLTAGE DROP
FROM THE CIRCUIT WIRING RESISTANCE TO DETERMINE THE APPPLIED VOLTAGE TO THE STROBES. THE MAXIMUM WIRE IMPEDANCE BETWEEN
STROBES SHALL NOT EXCEED 35 OHMS.
WARNING: MAKE SURE THAT THE TOTAL RMS CURRENT REQUIRED BY ALL APPLIANCES THAT ARE CONNECTED TO THE SYSTEM’S PRIMARY AND
SECONDARY POWER SOURCES, APPLIANCE CIRCUITS, SM, DSM SYNC MODULES AND WHEELOCK POWER SUPPLIES DOES NOT EXCEED THE POWER
SOURCES’ RATED CAPACITY OR THE CURRENT RATINGS OF ANY FUSES ON THE CIRCUITS TO WHICH THESE APPLIANCES ARE WIRED. OVERLOADING
POWER SOURCES OR EXCEEDING FUSE RATINGS COULD RESULT IN LOSS OF POWER AND FAILURE TO ALERT OCCUPANTS DURING AN EMERGENCY,
WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.
CAUTION: The strobe is not designed to be used on coded systems in which the applied voltage is cycled on and off.
NOTE: The horn circuit is compatible with coded systems only if the unit is wired for independent horn and strobe operation per figure 3.
SOUND OUTPUT (SPL) SETTINGS:
WARNING: THE HS4-241575W APPLIANCES MUST BE FIELD SET TO THE DESIRED TONE AND dBA SOUND OUTPUT LEVEL BEFORE THEY ARE
INSTALLED. THIS IS DONE BY PROPERLY INSERTING JUMPER PLUGS IN ACCORDANCE WITH THESE INSTRUCTIONS. INCORRECT SETTINGS WILL
RESULT IN IMPROPER PERFORMANCE, WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.
CAUTION: If these appliances are operated within 15 inches of a person's ear, they can produce a sound pressure level that exceeds the maximum 120dBA
permitted by ADA and OSHA rules. Exposure to such sound levels can result in damage to a person's hearing.
Figure 1: Showing Location of Jumper Plugs
TOP
P83511 ( )
C1
AH
R5
Figure 2: Jumper Plug Settings for High, Medium, Low dB,
J2 J2 J2
H
M
L
HIGH
HORN
SETTING
WIRING AND MOUNTING INFORMATION:
Code 3 Horn and Continuous Horn Setting.
H
M
L
MEDIUM
HORN
SETTING
H
M
L
LOW
HORN
SETTING
Figure 3: Audible signal and strobe operate independently. Figure 3A: Audible and strobe operate in unison. Shunt wires are supplied.
FROM FIRE ALARM
CONTROL PANEL (FACP),
PRECEDING APPLIANCE
OR SYNC MODULE
TO NEXT APPLIANCE
OR END OF LINE
RESISTOR (EOLR).
+ STR -
+
-
+
-
TB1
+ AUD -
Figure 4:
• HS4-241575W Appliances have in-out wiring terminals that accepts two #12 to #18 American Wire Gauge (AWG) wires at each screw
terminal. Strip leads 3/8” inches for connection to screw terminals.
• Break all in-out wire runs on supervised circuit supervision as shown in Figure 4. The polarity shown in the wiring diagrams is for the
operation of the appliances. The polarity is reversed by the FACP during supervision.
B
R
+ STR -
TB1
J3
Factory setting is on Medium dB and Code 3.
J2
+ AUD -
• Use needle nose pliers to pull and properly insert the jumper plug.
• No jumper plug is needed for continuous horn setting. However, it is
J1
C
O
D
E
3 3
CODE 3
HORN
SETTING
FROM FACP OR
-
PRECEDING APPLIANCE
+
TO NEXT APPLIANCE
+
OR EOLR.
J1
C
O
D
E
CONTINUOUS
* HORN
SETTING
• The HS4 must be set for Code 3 horn when used with the sync
PRECEDING APPLIANCE
OR SYNC MODULE
J2
J1
J1
C
O
H
D
M
E
L
3
C
O
H
D
M
E
L
3
recommended that the jumper plug be retained in the unit for future
use (if needed) as shown in Figure 3.
module. Refer to instruction sheets for SM (P83123), DSM
(P83177) or Wheelock power supplies for additional information. If
the HS4 audible is connected to a coded system, the continuous horn
setting must be used
TB1
FROM FACP,
+ STR -
+
-
RED SHUNT WIRE
+ AUD -
TO NEXT APPLIANCE
-
+
OR EOLR
BLACK SHUNT WIRE
P84403 G
Sheet 2 of 4
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