POTTER MHT-1224 Series Remote Audible Signaling Horn Instruction Manual

POTTER MHT-1224 Series Remote Audible Signaling Horn

INTRODUCTION

The Potter Electric MHT-1224 is a high-quality, remote, audible signaling appliance rated a minimum of 75-85dBA at 10 feet. This appliance is ideal for applications where a
dependable alarm signal is required in hotels, dormitories, apartments, and other installations.

LOCATION

The appliance is intended for use in fire protective signaling systems and is to be installed in accordance with the applicable requirements of NFPA 72 and the local authorities having jurisdiction. The MHT-1224 is intended for indoor installation only. This appliance is not listed for outdoor applications.

INSTALLATION AND WIRING

Unit Dimensions: 2.84” Wide X 4.48” High X 0.5” Deep

MOUNTING BOXES

• Handy Box: 4″ x 2-1/8″ (approx.)
• Switch Box: 3″ x 2″ (approx.) with conduit knockouts
• Masonry Box: 3-3/4″ x 2″(approx.) with ½” and ¾” concentric knockouts
• Non-Metallic Switch Box: 3-3/4″ x 2-5/16″ (approx.)
  NOTICE: A MOUNTING BOX MUST BE INSTALLED FOR EACH REMOTE SIGNALING APPLIANCE.

WIRE CONNECTIONS

1. The MHT-1224 has two terminals for power-in and power-out supply circuits.
2. Make the wire connections as follows: Positive to the (+) terminal and negative to the (-) terminal.
3. Run a minimum 18-gauge insulated conductor from the signaling appliance in the system. Use ANSI/UL Listed Class 1 wire.

NOTICE:
DO NOT USE LOOPED WIRE UNDER TERMINALS. BREAK WIRE RUN TO PROVIDE SUPERVISION OF CONNECTION.
VOLTAGE SUPPLIED TO SIGNAL WHEN THE PANEL IS LATCHED.
NFPA 72 REQUIRES THAT AN AUDIBLE SIGNAL APPLIANCE THAT EMITS A CONTINUOUS SIGNAL WHILE ENERGIZED HAVE A TEMPORAL PATTERN
IMPOSED ON IT IF THE ALARM SIGNAL IS INTENDED TO EVACUATE THE BUILDING.
TO SYNCHRONIZE THE MHT-1224, USE THE AVSM CONTROL MODULE.

4. Install the MHT-1224 unit to the mounted rough-in box.

5. Secure the unit to the box using the two mounting screws (supplied).
   CAUTION: When installing, route field wiring away from sharp projections, corners, and internal components.

6. The MHT-1224 is a temporal 3 or continuous tone unit. The device is factory set in temporal 3 mode. To enable continuous tone, break jumper on back of unit as
   shown in DIAGRAM 2.
   NOTICE: ONCE JUMPER HAS BEEN BROKEN, THE OPTION TO REVERT FROM CONTINUOUS TO TEMPORAL 3 TONE IS NOT POSSIBLE. DO NOT BREAK JUMPER IF TEMPORAL 3 TONE IS NEEDED

CHECKOUT AND TROUBLESHOOTING

1. Supply power to the system control panel. The auxiliary alarms in the system should not alarm.
2. If alarm is heard:
   • Check all smoke and fire detection units in the system to make sure that they have not been activated.
   • Check all wiring connections to make sure detection circuits are not reversed or shorted together.
3. To test the auxiliary alarms circuit, trip the alarm circuit at the main control panel or activate one of the fire detection units in the system. All auxiliary alarms should be activated.
4. Always perform an operational test on this product on a regular basis after installation.
   Potter Electric suggests that this regularly scheduled testing be performed at least twice a year, or more often as may be dictated by the local authorities having jurisdiction.
   NOTICE: THESE TESTING AND TROUBLESHOOTING INSTRUCTIONS ARE GENERALIZED. PLEASE REFER TO THE SYSTEM CONTROL PANEL OPERATING INSTRUCTIONS FOR PROPER OPERATION OF THE PANEL AND FIRE DETECTION SYSTEM.
   WARNING
   This appliance will not operate without electrical power. As fires frequently cause power interruptions, we suggest you discuss further safeguards with your local fire protection specialist.

ELECTRICAL SPECIFICATIONS

MHT-1224 HORN DECIBEL RATINGS: REVERBERANT ROOM

Horn Mode

| Minimum SPL @ 10Ft. Per

ANSI/UL464 @ 24VDC

| Minimum SPL @ 10Ft. Per

ANSI/UL464 @ 12VDC

Temporal 3 Tone| 81 dBA| 78 dBA
Continuous Tone| 86 dBA| 83 dBA
 | HORN RATINGS OVER INPUT VOLTAGE RANGE OF 16-33V| HORN RATINGS OVER INPUT VOLTAGE RANGE OF 8-17.5V
---|---|---
 | Regulated

24VDC Max.

Operating (mA)

| Regulated

24VFWR Max.

Operating (mA)

| Regulated

12VDC Max.

Operating (mA)

| Regulated

12VFWR Max.

Operating (mA)

Temporal 3| 18| 20| 13| 17
Continuous| 21.1| 20.7| 7| 10

NOTICE:

• DC VOLTAGE RANGE LIMITS: 8-17.5V AND 16-33V. FWR VOLTAGE RANGE LIMITS:
  8-17.5V AND 16-33V. THIS PRODUCT WAS ONLY TESTED TO THE STATED
  VOLTAGE RANGE(S); DO NOT APPLY 80% AND 110% OF THIS RANGE FOR
  SYSTEM OPERATION.

•  THE THREE PULSE TEMPORAL PATTERN IS TO BE USED FOR EVACUATION USE ONLY.

• THE SOUND OUTPUT FOR THE TEMPORAL 3 TONE IS RATED LOWER SINCE THE
  TIME THE HORN IS OFF IS AVERAGED INTO THE SOUND OUTPUT RATING.
  WHILE THE HORN IS PRODUCING A TONE IN THE TEMPORAL 3 MODE ITS SOUND PRESSURE IS THE SAME AS THE CONTINUOUS MODE. UNITS HAVE BEEN TESTED TO 0°C, 49°C AND 93% HUMIDITY.

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 REMOTE AUDIBLE SIGNALING APPLIANCE: CAN/ULC

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 Horn Mode| Regulated 24 VDC Max. Operating Current (mA)| Regulated 24 VFWR Max. Operating Current (mA)
Temporal 3| 18| 20
Continuous| 21.1| 20.7
MHT-1224 HORN DECIBEL RATINGS IN ULC ANECHOIC ROOM (dBA @ 3 meters)

Mechanical Horn Mode| Regulated 24 VDC Max. SPL Rating| Regulated 24 VFWR Max. SPL Rating| 24 VDC Nominal SPL Rating| 24 VFWR Nominal SPL Rating
Temporal 3| 86.4| 86.7| 89.2| 89.4
Continuous| 89.3| 90.5| 88.7| 89.6
Directional Sound Characteristic:

MHT-1224 Horn

 | Horizontal Angle
-3 dBA|  
-6 dBA|  
 | Vertical Angle
-3 dBA| 65
-6 dBA| 25

NOTICE

• THE NATIONAL BUILDING CODE AND CAN/ULC S525 REQUIRES THAT ALL HORNS USED FOR BUILDING EVACUATION PRODUCE TEMPORAL CODED SIGNALS.
• 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 RATING. UNITS HAVE BEEN TESTED TO 0°C, 49°C AND 93% HUMIDITY.

LIMITED WARRANTY

• 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.

Potter Electric Signal Company, LLC 1609 Park 370, Hazelwood, MO 63042 Phone: 800-325-3936
www.pottersignal.com

References

• Fire Alarm Resources | Download fire alarm documents
• Potter Electric: Fire Alarms & Fire Sprinkler Systems

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