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VI. TO RETURN A MHT-1224 UNIT
Should you experience problems with your MHT-1224 unit, proceed as follows:
1. Turn off electrical power to the auxiliary alarm circuit.
2. Unscrew the unit from the mounting box.
3. Disconnect the MHT-1224 from the field wiring. Reconnect the two positive supply voltage circuits and the two negative supply voltage circuits of the auxiliary alarm circuit to maintain power to
other auxiliary alarm appliances in the system.
4. Carefully pack the unit (the manufacturer cannot be responsible for consequential damage). Include your return address and complete details as to the nature of difficulties being experienced
and the date of installation.
5. Prior to returning, contact Potter Electric Signal Company for RMA Number at 1-800-325-3936.
ADDITIONAL INSTRUCTIONS FOR
PRODUCT INFORMATION
This appliance is intended to provide an audible for the purpose of life safety and property
protection. The MHT-1224 horn is listed in compliance with CAN/ULC S525. This appliance is
intended for use in Fire Alarm Systems and is to be installed in accordance with this manual, the
National Building Code of Canada, CAN/ULC S524 and local codes that provide standards on
notification appliances for protective signaling systems. Wiring is to be in accordance with CSA
C22.1 Canadian Electrical Code, Part 1, Safety Standard for Electrical Installations, Sec. 32
CAN/ULC MHT-1224 CURRENT RATINGS
Horn Current Ratings Over
Input Voltage Range of 16-33V
Mechanical
Regulated 24 VDC Max.
Horn Mode
Operating Current (mA)
Temporal 3
18
Continuous
21.1
MHT-1224 HORN DECIBEL RATINGS IN ULC ANECHOIC ROOM (dBA @ 3 meters)
Mechanical
Regulated 24 VDC
Horn Mode
Max. SPL Rating
Temporal 3
86.4
Continuous
89.3
For a period of 60 months from the date of manufacture (or as long as required by applicable law), Potter Electrical Signal Company, LLC warrants to you the original purchaser that your appliance will be free
from defects in workmanship and materials under normal use and service.
This warranty does not apply and is void if damage or failure is caused by: accident, abuse, misuse, abnormal use, faulty installation, liquid contact, fire, earthquake or other external cause;
operating the appliance outside Potter Electrical Signal Company, LLC's published guidelines; or service, alteration, maintenance or repairs performed by anyone other than Potter Electrical
Signal Company, LLC. This warranty also does not apply to: consumable parts, such as batteries; cosmetic damage, including but not limited to scratches or dents; defects caused by normal wear
and tear or otherwise due to the normal aging of the appliance, or if any serial number has been removed or defaced from the appliance.
TO THE EXTENT PERMITTED BY LAW, THIS WARRANTY AND THE REMEDIES SET FORTH HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, REMEDIES AND CONDITIONS,
WHETHER ORAL, WRITTEN, STATUTORY, EXPRESS OR IMPLIED. POTTER ELECTRICAL SIGNAL COMPANY, LLC DISCLAIMS ALL STATUTORY AND IMPLIED WARRANTIES, INCLUDING WITHOUT
LIMITATION, WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND WARRANTIES AGAINST HIDDEN OR LATENT DEFECTS TO THE EXTENT PERMITTED BY LAW. TO
THE EXTENT SUCH WARRANTIES CANNOT BE DISCLAIMED, SUCH IMPLIED WARRANTIES SHALL APPLY ONLY FOR THE WARRANTY PERIOD SPECIFIED ABOVE. PLEASE NOTE THAT SOME STATES
(COUNTRIES AND PROVINCES) DO NOT ALLOW LIMITATION ON HOW LONG AN IMPLIED WARRANTY (OR CONDITION) LASTS. SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU. EXCEPT AS
PROVIDED IN THIS WARRANTY AND TO THE EXTENT PERMITTED BY LAW, POTTER ELECTRICAL SIGNAL COMPANY, LLC WILL NOT BE LIABLE FOR ANY DIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES RESULTING FROM ANY BREACH OF WARRANTY OR CONDITION, OR ARISING IN CONNECTION WITH THE SALE, USE OR REPAIR OF THE APPLIANCE, OR UNDER ANY
OTHER LEGAL THEORY, INCLUDING BUT NOT LIMITED TO LOSS OF USE, LOSS OF REVENUE, LOSS OF ACTUAL OR ANTICIPATED PROFITS, LOSS OF THE USE OF MONEY, LOSS OF BUSINESS,
LOSS OF OPPORTUNITY, LOSS OF GOODWILL, AND LOSS OF REPUTATION. THE MAXIMUM LIABILITY OF POTTER ELECTRICAL SIGNAL COMPANY, LLC SHALL NOT IN ANY CASE EXCEED THE
PURCHASE PRICE PAID BY YOU FOR THE APPLIANCE. PLEASE NOTE THAT SOME STATES (COUNTRIES AND PROVINCES) DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR
CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.
If a defect in workmanship or materials causes your appliance to become inoperable within the warranty period, you must return the appliance to Potter Electrical Signal Company, LLC postage prepaid to:
Potter Electrical Signal Company, LLC, 1609 Park 370, Hazelwood MO 63042. You must prove to the satisfaction of Potter Electrical Signal Company, LLC the date of purchase of your appliance. You must also
enclose a return address. Warranty service may only be performed by Potter Electrical Signal Company, LLC personnel at Potter Electrical Signal Company, LLC's facilities in Hazelwood, Missouri. You must also
pack the appliance to minimize the risk of it being damaged in transit. If we receive an appliance in a damaged condition as the result of shipping, we will notify you and you must seek a claim with the shipper.
If you submit a valid claim to Potter Electrical Signal Company, LLC during the warranty period, Potter Electrical Signal Company, LLC will, at its option, repair your appliance or furnish you with a
new or rebuilt appliance without charge to you except for postage required to return the appliance to us. Potter Electrical Signal Company, LLC will not reimburse you for repairs or replacement
parts provided by other parties. Your repaired or replacement appliance will be returned to you free of charge and it will be covered under the warranty for the balance of the warranty period, if any.
When a product or part is replaced, any replacement item becomes your property and the replaced item becomes property of Potter Electrical Signal Company, LLC. For additional warranty and
product information go to www.pottersignal.com.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE (OR BY COUNTRY OR PROVINCE). BY THIS
WARRANTY, POTTER ELECTRICAL SIGNAL COMPANY, LLC DOES NOT LIMIT OR EXCLUDE YOUR RIGHTS EXCEPT AS ALLOWED BY LAW. TO FULLY UNDERSTAND YOUR RIGHTS, YOU SHOULD
CONSULT THE LAWS OF YOUR COUNTRY, PROVINCE OR STATE.
Important Notice:
These materials have been prepared by Potter Electrical Signal Company, LLC ("Potter") for informational purposes only, are necessarily summary, and are not purported to serve as legal advice and should not be used as such. Potter makes no representations and warranties, express or implied, that these materials
are complete and accurate, up-to-date, or in compliance with all relevant local, state and federal laws, regulations and rules. The materials do not address all legal considerations as there is inevitable uncertainty regarding interpretation of laws, regulations and rules and the application of such laws, regulations and rules
to particular fact patterns. Each person's activities can differently affect the obligations that exist under applicable laws, regulations or rules. Therefore, these materials should be used only for informational purposes and should not be used as a substitute for seeking professional legal advice. Potter will not be
responsible for any action or failure to act in reliance upon the information contained in this material.
550-0595-AAB
SIGNALING APPLIANCE: CAN/ULC
Regulated 24 VFWR Max.
Operating Current (mA)
20
20.7
Regulated 24 VFWR
24 VDC Nominal
Max. SPL Rating
SPL Rating
86.7
89.2
90.5
88.7
Potter Electric Signal Company, LLC
1609 Park 370, Hazelwood, MO 63042
Phone: 800-325-3936
www.pottersignal.com
firealarmresources.com
REMOTE AUDIBLE
Directional Sound Characteristic:
MHT-1224 Horn
-3 dBA
-6 dBA
-3 dBA
-6 dBA
NOTICE:
w THE NATIONAL BUILDING CODE AND CAN/ULC S525 REQUIRES THAT ALL
24 VFWR Nominal
HORNS USED FOR BUILDING EVACUATION PRODUCE TEMPORAL CODED
SIGNALS.
SPL Rating
w THE SOUND OUTPUT FOR THE TEMPORAL 3 TONE IS RATED LOWER SINCE
THE TIME THE HORN IS OFF IS AVERAGED INTO THE SOUND OUT PUT
89.4
RATING. UNITS HAVE BEEN TESTED TO 0°C, 49°C AND 93% HUMIDITY.
89.6
LIMITED WARRANTY
Horizontal Angle
v
v
Vertical Angle
65
25
= NO MEASURED LOSS
v
Manual Issue Date:
02/01/13
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