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NOTE A:

Maximum alarm coverage has been determined by UL to provide detection time equal
to sprinkler devices spaced at 10 foot intervals (100 square foot area) on a smooth
ceiling 15 ft. x 8 in. high. Higher ceilings can adversely affect detection time. In some
instances, earlier detection may be obtained by reducing the spacing between detectors.
See the latest edition of NFPA 72, National Fire Alarm Code.

NOTE B:

Maximum distance is from any wall partition or ceiling projection extending down more
than 12 in.

IMPORTANT SAFETY INFORMATION

PLEASE READ AND SAVE THESE INSTRUCTIONS

This heat alarm requires constant 120 Volt AC power 

AND

 a working 9 Volt

battery to operate properly. This heat alarm 

WILL NOT

 work if AC power is

not connected or has failed or has been interrupted for any reason 

AND

 the

batteries removed, drained or improperly connected. 

DO NOT

 use any other

kind of battery except as specified in this manual. 

DO NOT

 connect this

heat alarm to any other type of smoke alarm or heat alarm or auxiliary
device, except those listed in this manual.

• This heat alarm should be installed only by a licensed, qualified electrician. Observe and follow

all local and national electrical building codes for installation.

• Heat alarms should be interconnected with smoke alarms in order to provide early warning of

heat, smoke or fire. In addition, smoke alarms should be installed in every bedroom and on
every level of the home.

• Heat alarms interconnected with smoke alarms may not alert every household member every

time. The alarm horn of the heat alarm and smoke alarm is loud in order to alert individuals of
a potential danger. However, there may be limiting circumstances where a household member
may not hear the alarm (i.e. outdoor or indoor noise, sound sleepers, drug or alcohol use, the
hearing impaired, etc.). If you suspect that your heat alarm or smoke alarm may not alert a
household member, install and maintain specialty smoke alarms. Household members must
hear the alarm's warning sound and quickly respond to it to reduce the risk of damage, injury
or death that may result from fire. This heat alarm cannot be interconnected with specialty
smoke alarms unless specified in this manual.

• Heat alarms should be used to provide an added source of information and supplement smoke

alarm installation. Some fires are slow, smoldering, low heat-producing or are in a different
room than the heat alarm, or the heat from the fire may bypass the alarm. This heat alarm will
not always detect this type of fire.

• The push-to-test button accurately tests all heat alarm functions. For temperatures that are

below minus 10

o

F, use a handheld hair dryer and blow hot air (one foot away) into the heat alarm

to test. DO NOT use any other test method. Test heat alarm weekly to ensure proper operation.

• This heat alarm is designed to be used inside a single family household only. In multi-family

buildings, each individual living unit should have its own heat alarm. Do not install in non-
residential buildings or places which house many people like hotels, motels, dormitories,
hospitals, nursing homes or group homes of any kind. This heat alarm is not a substitute for
a complete alarm system.

• Interconnected heat alarms and smoke alarms offer maximum protection. The National Fire

Protection Agency (NFPA) recommends interconnecting heat alarms and smoke alarms so
that when one unit senses heat, smoke or fire and sounds its alarm, all others will sound as
well. Do not interconnect heat alarms or smoke alarms from one individual family living unit to
another. Do not connect this heat alarm to any other type of alarm (except those stated in this
manual) or auxiliary device.

• This heat alarm can only sound its alarm when it detects temperatures of 135

o

F (57

o

C) or

greater. Heat alarms do not sense smoke, fire or gas. In some fires, hazardous levels of toxic
chemicals and smoke can build up before a heat alarm will operate. Temperatures may not
reach 135

o

 F (57

o

C) to activate the heat alarm quickly enough to ensure safe escape.

• Heat alarms have limitations. This heat alarm is not foolproof and is not warranted to protect lives or

property. Heat alarms are not a substitute for insurance. Homeowners and renters should insure their
lives and property. In addition, it is possible for the heat alarm to fail at any time.

HEAT ALARM PLACEMENT

Heat alarms give an audible warning when the temperature at the alarm reaches 135

o

F (57

o

C) or greater.

Heat alarms are ideal for kitchens, garages, basements, boiler rooms, attics and other areas where there
are normally high levels of fumes, smoke or dust which are also areas where smoke alarms should not
be installed due to risk of false nuisance alarms.

- 2 -

Summary of Contents for USI-2430

Page 1: ...wer and is working under normal operation A loud 85 decibels at 10 feet alarm horn will sound to alert you of an emergency The test button checks heat alarm operation SPECIFICATIONS Model Number USI 2430 Electrical Rating 120 VAC 60 Hz 50 mA maximum 9 Volt battery backup Interconnect 24 units maximum Interconnect with Up to 5 USI heat alarms or CO alarms and up to 12 USI smoke alarms and 6 other n...

Page 2: ...dded source of information and supplement smoke alarm installation Some fires are slow smoldering low heat producing or are in a different room than the heat alarm or the heat from the fire may bypass the alarm This heat alarm will not always detect this type of fire The push to test button accurately tests all heat alarm functions For temperatures that are below minus 10o F use a handheld hair dr...

Page 3: ... 3 EXISTING HOMES NEW CONSTRUCTION HOMES ...

Page 4: ...smooth ceiling spacing reduced to no more than half of the listed spacing when measured at right angles to a solid joist DO NOT INSTALL HEATALARMS In areas with high humidity like bathrooms shower rooms or areas near dishwashers or washing machines Install at least 10 feet 3m away from these areas if possible Near air returns or heating and cooling supply vents fans decorative objects window moldi...

Page 5: ...re you will install this unit at the circuit breaker or fuse box before beginning installation Failure to turn off the power before installation may result in serious electrical shock injury or death TAMPER LOCKING PIN To make your heat alarm somewhat tamper resistant a locking pin has been provided Using this pin will deter children and others from removing the alarm from the mounting ring To use...

Page 6: ...S 2790 SS 2785 SS 2895 HD 130 USI 1103 USI 1203 USI 1204 USI 1208 Part USI 1209 USI 1213 USI 2430 USI 3204 USI 5204 USI 5208 USI 5213 USI 7385 USI 7390 USI 7485 USI 7490 CD 9385 CD 9390 CD 9485 CD 9490 CD 9795 USI 7795 AND USI 960 RM 100 Relay When any one of these interconnected models goes into alarm it will trigger the corresponding alarm within the interconnected system with respect to their s...

Page 7: ...s event initiated the alarm All other alarms remain silent Interconnected smoke alarms heat alarms and relay modules will only respond if a smoke alarm event or heat alarm event initiates the alarm All CO and Natural Gas alarms remain silent Note that alarms without battery backup will not respond during an AC power failure NOTE Relay Modules USI 960 will not respond if a CO or Natural Gas alarm e...

Page 8: ... failure NEVER use an open flame of any kind to test this unit You might accidentally damage or set fire to the unit or to your home The built in test switch accurately tests the unit s operation as required by Underwriters Laboratories Inc UL BACKUP BATTERY REPLACEMENT Disconnect AC power before changing battery Shock hazard exists if AC power is miswired The heat alarm uses a 9 Volt battery The ...

Page 9: ... all right to do so 9 NATIONAL FIRE PROTECTION ASSOCIATION REQUIRED PROTECTION For your information the National Fire Protection Association s Standard 72 reads as follows 11 5 1 One and Two Family Dwelling Units 11 5 1 1 Smoke Detection Where required by applicable laws codes or standards for the specified occupancy approved single and multiple station smoke alarms shall be installed as follows 1...

Page 10: ...Customer Service at 1 800 390 4321 Ext 238 for current postage and handling fees USI DOES NOT WARRANT AND SPECIFICALLY DISCLAIMS ANY WARRANTY WHETHER EXPRESS OR IMPLIED OF FITNESS FOR A PARTICULAR PURPOSE OTHER THAN THE WARRANTY CONTAINED HEREIN NO IMPLIED WARRANTY ON THIS PRODUCT CREATED BY STATE LAW SHALL EXTEND BEYOND THE TERM OF THIS WARRANTY UNLESS SUCH LAW OTHERWISE PROVIDES USI SPECIFICALLY...

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