273 Branchport Avenue
Long Branch, NJ 07740
(800) 631-2148
www.wheelockinc.com
Use this product according to this instruction manual. Please keep this instruction manual for future reference.
GENERAL:
Wheelock's AH Audible Horn Appliances are designed to provide a continuous horn tone or code 3 horn tone when connected
directly to the Fire Alarm Control Panel (FACP), or provide a synchronized code 3 horn when used in conjunction with a Sync
Module (SM), Dual Sync Module (DSM) or Power Supply (PS-12/24-8). The AH Appliances are UL Listed under UL Standard
464 for Audible Signal Appliances and ULC Listed under Standard CAN/ULC-S525-99 for Audible Signaling Appliances. They
are listed for indoor use only and are equipped with a Universal Mounting Plate (UMP) that can be mounted to single-gang,
double-gang, 4" square backbox, 100mm European or SHBB surface backbox (See Mounting Options).
AH Appliances can be field set to provide either High (HI) dBA, Medium (MED) dBA or Low (LO) dBA sound output. All AH
models are 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 FACP.
NOTE: The code 3 horn incorporates the 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) specified by ANSI/NFPA for standard emergency evacuation signaling. The code 3 horn shall be
used only for fire evacuation signaling and not for any other purpose.
NOTE: All CAUTIONS and WARNINGS are identified by the symbol
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, 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 AUDIBLE HORN APPLIANCES MUST BE FIELD SET TO THE DESIRED TONE AND dBA
SOUND OUTPUT LEVEL BEFORE THEY ARE INSTALLED. THIS IS DONE BY PROPERLY INSERTING A
JUMPER PLUG 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.
WARNING: THE AH AUDIBLE HORN APPLIANCE IS A "FIRE ALARM DEVICE – DO NOT PAINT."
SPECIFICATIONS:
Regulated
Model
Voltage
(VDC/VRMS)
AH-24
AH-12
Copyright 2005 Wheelock, Inc. All rights reserved.
Thank you for using our products.
INSTALLATION INSTRUCTIONS
SERIES AH AUDIBLE HORN APPLIANCES
Table 1: UL/ULC Listed Models and Ratings
UL Voltage
Range
(VDC/VRMS)
24
16-33
12
8-17.5
. All warnings are printed in bold capital letters.
ULC Voltage
Range
Lo
(VDC/VRMS)
20-31
0.021
10.5-15.6
0.058
Maximum RMS Current (AMPS)
DC
Med
Hi
Lo
0.043
0.080
0.041
0.108
0.192
0.059
FWR
Med
Hi
0.051
0.090
0.109
0.209
P83519 K
Sheet 1 of 7
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