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273 Branchport Avenue
Long Branch, NJ 07740
(800) 631-2148 (USA)
(800) 397-5777 (CANADA)
www.wheelockinc.com
Use this product according to this instruction manual. Please keep this instruction manual for future reference.
GENERAL:
Wheelock's Series NH Audible Appliances provide a selectable continuous or Code 3 Horn tone when connected directly to the
Fire Alarm Control Panel (FACP). They can also provide a synchronized Code 3 Horn tone when used in conjunction with a Sync
Module (SM), Dual Sync Module (DSM) or the Power Supply (PS-12/24-8 UL ONLY). The NH Appliances are UL Listed under
Standard 464 for Audible Signal Appliances. The NH Appliances are also ULC Listed under Standard CAN/ULC-S525-99 for
Audible Signaling Devices for Fire Alarm Systems. They are listed for indoor use only and equipped with a NH Mounting Plate
that can be mounted to single-gang, double-gang, 4" backbox, 100mm European backbox or SHBB surface backbox (See
Series NH Appliances can be field set for High (HI) or Low (LO) dBA sound output.
The NH models are designed for use with either filtered DC (VDC) or unfiltered Full-Wave-Rectified (VRMS) input voltage. All
inputs are polarized for compatibility with standard reverse polarity supervision of circuit wiring by a FACP.
NOTE: All CAUTIONS and WARNINGS are identified by the symbol
WARNING: THE NH AUDIBLE APPLIANCE IS A "FIRE ALARM DEVICE - DO NOT PAINT."
NOTE: All Canadian Installations should be in accordance with the Canadian Standard for the Installation of Fire Alarm Systems
- CAN/ULC-S524-01 and Canadian Electrical Code, Part 1. Final acceptance is subject to Authorities Having Jurisdiction.
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.
SPECIFICATIONS:
Regulated
Model
Voltage
(VDC/VRMS)
NH-12/24
24
12
Copyright 2005 Wheelock, Inc. All rights reserved.
Thank you for using our products.
INSTALLATION INSTRUCTIONS
SERIES NH AUDIBLE APPLIANCES
Table 1: UL/ULC Listed Models and Ratings
UL
ULC Voltage
Voltage
CAN/ULC-S525-99
16.0-33.0VDC
20.0-31.0VDC
16.0-33.0VRMS
20.0-31.0VRMS
8.0-17.5VDC
10.5-15.6VDC
8.0-17.5VRMS
10.5-15.6VRMS
. All warnings are printed in bold capital letters
UL Max RMS Current
(AMPS)
Lo
Hi
0.018
0.044
0.045
0.075
0.012
0.021
0.030
0.054
ULC Rated Average
Current (AMPS)
Lo
Hi
0.018
0.033
0.045
0.075
0.012
0.021
0.030
0.054
P83600 K
Sheet 1 of 6
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Summary of Contents for Wheelock SERIES NH
- Page 1 GENERAL: Wheelock’s Series NH Audible Appliances provide a selectable continuous or Code 3 Horn tone when connected directly to the Fire Alarm Control Panel (FACP). They can also provide a synchronized Code 3 Horn tone when used in conjunction with a Sync Module (SM), Dual Sync Module (DSM) or the Power Supply (PS-12/24-8 UL ONLY).
- Page 2 BY ALL APPLIANCES THAT ARE CONNECTED TO THE SYSTEM’S PRIMARY AND SECONDARY POWER SOURCES, SIGNALING CIRCUITS, SM, DSM SYNC MODULES AND WHEELOCK’S POWER SUPPLIES DO NOT EXCEED THE POWER SOURCES’ RATED CAPACITY OR THE CURRENT RATINGS OF ANY FUSES ON THE CIRCUITS TO WHICH THESE APPLIANCES ARE WIRED.
- Page 3 WARNING: FOR ULC APPLIANCES THESE APPLIANCES WERE TESTED TO THE OPERATING VOLTAGE LIMITS OF 20.0-31.0 VOLTS FOR 24V APPLICATIONS AND 10.5-15.6 VOLTS FOR 12V APPLICATIONS USING FILTERED (DC) OR UNFILTERED FULL-WAVE-RECTIFIED (FWR). APPLY 80% AND 110% OF THESE VOLTAGE VALUES FOR SYSTEM OPERATION. SOUND OUTPUT (SPL) SETTINGS: 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 NOTE:...
- Page 4 Although the limits shown for each mounting option comply with the National Electrical Code (NEC), Wheelock recommends use of the largest backbox option shown and the use of approved stranded field wires, whenever possible, to provide additional wiring room for easy installation and minimum stress on the product from wiring.
- Page 5 The Series NH products and these instructions are copyrighted by Wheelock and the Series NH products contain proprietary, confidential and trade secrets of Wheelock. No part of the Series NH products and these instructions may be photocopied, printed or reproduced in any form or modified, adapted, changed or enhanced, or converted to another programming language, or used to create updated, related or derivative works, without the prior written consent of Wheelock.
-
Page 6: Limited Warranty
(as determined by date code). Correction of defects by repair or replacement shall be at Wheelock's sole discretion and shall constitute fulfillment of all obligations under this warranty.
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