TRUSENSE COMBO
UL 217 8
Ed.
User Guide
Combination Multi-Criteria Optical Sensor Smoke & Carbon Monoxide Alarm
with Voice and Hardwire Interconnect
Model 2070-VASCR
COMBINATION ALARM
HARDWIRE INTERCONNECT
FRONT LOAD BATTERY
Helps Reduce Cooking
Nuisance Alarms
th
BACKUP
VOICE ALARM
P/N: 2566-7201-00 Rev A
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Thank You for Purchasing this Kidde Alarm
Hardwired for 120VAC, this model features a convenient, front load 9V battery backup. It also contains a
voice message system and SMART HUSH® Control to temporarily silence nuisance alarms.
Teach children how to respond to the alarm and that they should never play with the unit. This alarm is a
multi-criteria device designed to detect both smoke and carbon monoxide from any source of combustion in
a residential environment. It is not designed for use in a recreational vehicle (RV ) or boat.
NOTE: Please thoroughly read this user guide and save the document for future reference and to pass on
to any subsequent owner.
The National Fire Protection Association (NFPA) and the manufacturer recommend replacing this alarm ten
years from the date code on back of alarm.
Product Support: 1-800-880- 6788
Please write down the belo w information
and have this at hand when you cal l.
Date Code (on back): ___________________
Date of Purchase: ___________________
Where Purchased: ___________________
Date to Replace: ___________________
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Contents
1. Smoke Alarm: What To Do When The Alarm Sounds . . . . . . . . . . . . 4
2. Carbon Monoxide Alarm: What To Do When The Alarm Sounds . . . . . . . . 5
3. Other Alarm Visual And Audible Indicators . . . . . . . . . . . . . . . 6
4. Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . 7
5. Introduction, Product Features And Specifications . . . . . . . . . . . . . 8
6. Limitations Of Smoke And Carbon Monoxide Alarms . . . . . . . . . . . . 9
7. Recommended Locations For Smoke And Carbon Monoxide Alarms . . . . . . 11
8. Locations To Avoid . . . . . . . . . . . . . . . . . . . . . . . . . 14
9. Wiring / Installation / Activation . . . . . . . . . . . . . . . . . . . 15
10. Operation And Testing . . . . . . . . . . . . . . . . . . . . . . . 20
11. Recognizing Nuisance Alarms . . . . . . . . . . . . . . . . . . . . 21
12. Battery Back Up . . . . . . . . . . . . . . . . . . . . . . . . . 22
13. General Carbon Monoxide (CO) Information . . . . . . . . . . . . . . 23
14. Cleaning Your Alarm. . . . . . . . . . . . . . . . . . . . . . . . 25
15. Good Safety Habits . . . . . . . . . . . . . . . . . . . . . . . . 26
16. Service And Warranty . . . . . . . . . . . . . . . . . . . . . . . 29
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1. Smoke Alarm: What To Do When The Alarm Sounds
The smoke alarm pattern is three long beeps with voice “Fire!,” a 1.5 second pause, and three long beeps repeating.
The red LED blinks in time with the alarm pattern only on the alarm(s) that detected the hazard (initiating alarm).
The smoke alarm takes precedence when both smoke and carbon monoxide are present.
• Alert small children in the home as well as anyone else that might have difficulty recognizing the impor-
tance of the alarm sounding or that might have dif ficulty leaving the area without help.
• Leave immediately by your escape plan. Every second counts, so don’t waste time getting dressed or
picking up valuables.
• While leaving, don’t open any inside door without first feeling its surface. If hot, or if you see smoke seeping
through cracks, don’t open that door! Instead, use your alternate exit. If the inside of the door is cool, place
your shoulder against it, open it slightly and be ready to slam it shut if heat and smoke rush in.
• If the escape route requires you to go through smoke, stay close to the floor where the air is cleaner. Crawl
if necessar y, and breathe shallowly through a cloth, wet if possible.
• Once outside, go to your selected meeting place and make sure everyone is there.
• Call the fire department or 911 from your cell phone outside, or from your neighbor’s home-not from yours!
• Don’t return to your home until the fire officials say that it is all right to do so.
NOTE: See Section RECOGNIZING NUISANCE ALARMS, for nuisance alarm situations.
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2. Carbon Monoxide Alarm: What To Do When The Alarm Sounds
The carbon monoxide (CO) alarm pattern is four quick beeps with voice “Warning! Carbon Monoxide”
repeating every 5 seconds. The red LED blinks in time with the alarm pattern. After 4 minutes in CO alarm
the alarm pattern and voice will only occur every 60s.
WARNING: ACTUATION OF YOUR CO ALARM INDICATES THE PRESENCE OF
CARBON MONOXIDE CO WHICH CAN KILL YOU. IF THE ALARM SIGNAL SOUNDS:
1 Operate the Test/Hush® button. NOTE: Pressing the button on the alarming unit will silence the
alarm notification. If the unit goes into alarm mode again within six minutes, it is sensing high levels
of CO which can quickly become a dangerous situation.
2 Call your emergency services (Fire Department or 911). EMERGENCY PHONE #:___________
3 Immediately move to fresh air — outdoors or by an open door / window. Do a head count to check
that all persons are accounted for. Alert small children in the home as well as anyone else that might
have difficulty recognizing the importance of the alarm sounding or that might have diff iculty leaving
the area without help. Do not reenter the premises or move away from the open door/window until
the emergency services responders have arrived, the premises have been aired out, and your alarm
remains in its normal condition.
4 After following steps 1-3, if the alarm reactivates within a 24 hour period, repeat steps 1-3 and
call a qualified appliance technician to investigate sources of CO from fuel burning equipment and
appliances, and to inspect for proper operation of equipment.
If problems are identif ied during this inspection, have the equipment serviced immediately. Note any
combustion equipment not inspected by the technician and consult the manufacturer’s instructions,
or contact the manufacturer directly for more information about CO safety and the equipment. Make
sure that motor vehicles are not, or have not been, operating in a garage attached or adjacent to the
residence. Never restart the source of a CO problem until it has been correc ted. Never ignore the sound
of the alarm!
NOTE: See Section RECOGNIZING NUISANCE ALARMS, for nuisance alarm situations.
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3. Other Alarm Visual And Audible Indicators
Operational Mode Visual Indications Audible Indications Action/Note
Normal (standby) AC power: Gr een LED on
Test (butto n press when
no alarm
condition is present)
(Note: Test is ve ry loud,
stand a fe w feet away.)
Smoke or CO Ala rm Memory
(unit has experienced a
smoke or CO al arm event, or
has dete cted 100ppm CO or
greater.)
Smoke Ala rm Hush® Mode
(SMART Hu sh®
CONTROL)
CO alarm res et None After bu tton push: CO alarm
Initiating Alarm
(multiple alarms in an interconnected system)
If you requ ire further inf ormation pleas e contact Produc t Support at 1-8 00-880 -6788 or write us at :
Kidde, 1016 Corpor ate Park Drive, Meb ane, NC 27302. Our inter net address is ww w.kidde.com.
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continuously.
DC power: Green LED blink
approx ever y 60 sec.
Red LED blin ks in time with
alarm pattern.
Red LED blin k every 16 sec. After bu tton push, voice
Red LED blin ks every 2 sec. After bu tton push, voice “Hush
Red LED blin ks in time with
alarm pat tern indicating that
this is the unit i nitiating the
alarm in an interco nnected,
multiple alarm, system.
NOTE: It is po ssible for more
than one uni t to detect
a hazard an d become an
initiating a larm unit (Red
LED blinking).
• Single be ep.
• 3 long bee ps, voice "Fire!", 3
long bee ps, 4 quick beeps,
Voice "Warnin g, Carbon
Monoxid e," 4 quick bee ps.
“Smoke
previously detected" or
"Carbon Monoxide previously
detecte d" .
Mode Ac tivated." Smoke alarm
pattern s tops. (If there is too
much smoke to al low Hush® :
voice "Too Much S moke, Cannot be Hushe d”, Smoke alar m
pattern co ntinues.)
pattern s tops.
Unit in eithe r Smoke or CO
alarm mode.
Perform Test /Hush® button
press once a we ek to verify
proper alarm operation.
NOTE: On DC powe r, alarm
memor y is only retained
for 24 hrs.
Push test but ton to clear
Alarm Memo ry.
This feature is to b e used
only when a k nown alarm
conditio n, such as smoke
from cook ing, activates
the alarm.
Unit is conrm ing if CO is
present or if i t experienced a
nuisance situation. Re-alarm
means dange r. Move to fresh
air and call 911.
4. Troubleshooting Guide
Trouble Condition Visual Indications Audible Indications Action
False Low Bat tery
(AC power con nected
before backup battery
activated)
Low Batt ery
Fault: Smoke
Sensor Error
Fault: CO Sens or Error
Fault: Memory Error
Amber LED bl inks
every 5 se c.
AC Power: Ambe r LED
blinks ev ery 5 sec.
DC Power: Am ber LED
blinks ev ery 60 sec.
AC Power:
Amber LED
blinks every
5 sec.
DC Power:
Amber LED
blinks every
30 sec.
Chirp ever y 60 sec, voice “Low
Bat tery.”
Chirp and voi ce “Low Battery ”
every 60 s ec. (After 1 hou r on
DC power, voice o ccurs only
once ever y 15 mins.)
Voice “Hush mo de activated ”
after bu tton push
days only).
Chirp ever y 30 sec, voice
“Smoke Se nsor Error” ever y
60 sec.
(After 1 ho ur, voice only after
button is pushed.)
Chirp ever y 30 sec, voice “CO
Sensor Err or” every 60 sec .
(After 1 ho ur, voice only after
button is pushed.)
Chirp ever y 30 sec, voice
“Memor y Error” ever y 60 sec.
(After 1 ho ur, voice only after
button is pushed.)
(rst 7
* Pull batter y tab to activa te backup batter y.
* Push Test/Hus h button once to silen ce for
24 hr s.
* Replace bat tery as soon as p ossible.
Note: 7 days af ter Low Batter y begins, the
notications cannot be silen ced.
* See Cleanin g Your Alarm sectio n.
* Push Test/Hus h button once to att empt to
reset the un it.
* If error conti nues, remove, dispos e unit, and
replace as so on as possible.
*Push Test/H ush button once to atte mpt to
reset the un it.
*If error cont inues, remove, dispos e unit, and
replace as so on as possible.
* Push Test/Hus h button once to att empt to
reset the un it.
* If error conti nues, remove, dispos e unit, and
replace as so on as possible.
End of Unit Life
AC Power: Ambe r LED
blinks t wice every
5 sec.
DC Power: Amber
LED blink s twice every
30 sec.
Chirp twi ce every 30 sec, wi th
voice “Rep lace Alarm.” (After 1
hour on DC p ower, voice occurs
only once eve ry 15 mins.)
Voice “Hush mo de activated ”
after bu tton push (rst 7
days only).
* Push Test/Hus h button once to silen ce for
24 hr s.
Note: 7 days af ter End of Unit Life b egins, the
notications cannot be silen ced.
* Remove, disp ose unit, and repla ce as soon
as possible.
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5. Introduction, Product Features And Specifications
Introduction
This alarm detects products of combustion using a multi-criteria optical sensor and carbon monoxide using an
electrochemical cell. Many times throughout this User Guide, we will refer to Carbon Monoxide as “CO.”
Ten (10) years after the unit was installed, this unit will automatically alert you that it is time to replace the unit.
This is called “End of Unit Life” mode. See Troubleshooting Guide. To help identif y the date to replace the unit,
a label has been affixed to the side of the alarm. Write the “Install date” in the space provided, and then write
in the “Replace by” date (10 years from initial power up) in permanent marker on the label prior to installing the
unit. Two labels have been provided that have impor tant information on what to do in case of a CO alarm. Place
one label at eye level on a wall near the alarm af ter it is mounted, and one near a fresh air source such as a door
or window.
Product Features and Specifications:
• Temperature Operating Range: 40°F (4.4°C ) to 100°F (37.8°C)
• Humidity Operating range: 10-95% RH non-condensing
• Audible Alarm: 85+ dB at 10’, 3.0 to 3.5 KHz pulsing alarm, with voice messages
“Fire!” and/or “Warning! Carbon Monoxide.”
• Smoke Sensor: Multi-Criteria Optical
• CO Sensor: Elec trochemical
• Voice message system
• Smoke Alarm SMART Hush® Control
• Powered by 120VAC (60 Hz, 53mA max, 20mA Ave., 9V battery back up) wire-in connector with front load
9V battery backup.
• Hardwire interconnectable to other compatible alarms.
• One large, user- friendly but ton.
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6. Limitations Of Smoke And Carbon Monoxide Alarms
WARNING: PLEASE READ CAREFULLY AND THOROUGHLY
• Li fe safety from fire in resid ential occupancies is based primarily on early notification to occup ants of the need to
escape, foll owed by the appropriate egres s actions by those occupants.
• T here are situations where a smoke al arm may not be effec tive to protect against fire as stated in the NFPA
Standard 72. For instance:
a) smoking in bed
b) leaving children home alone
c) cleaning with flammable liquids, such as gasoline
• Fire w arning systems for dwellin g units are capable of protec ting about half of the o ccupants in potentially fatal
fires. A smoke alarm may not be effec tive in some situations, such as during incendiary fire s where the fire grows
so rapidly th at an occupant’s egress is blocked even with pro perly located smoke alarms, or when v ictims are
intimate with the f ire (for example, when a pers on’s clothes catch fire while cook ing), too old or young, or
physically or m entally impaired such that the y cannot escape even when warned early enough that es cape
should be possible. For the se people, additiona l strategies such as protec tion-in-place or assisted escap e or rescue
are necessary.
• For maximum detection of th e various types of f ires that can occur within the ho me, including fast fla ming, slow
smolderin g, and polyurethane foam, it is recommended that multi criteria smoke al arms be installed. This m odel
meets the n ew polyurethane foam f ire detection requireme nts, while at the same time includes intelligent technology to re duce nuisance alarms from cook ing..
• A bat tery powered alarm m ust have a battery of the sp ecified type, in good condi tion and installed prop erly (this
model has a rep laceable 9V battery).
• Smo ke alarms must be tested regul arly to make sure the batter y and the alarm circuits are in good operating
condition.
• Smo ke alarms cannot provide an alar m if smoke does not reach the alarm. Theref ore, smoke alarms may not sense
fires star ting in chimneys, within w alls, on roofs, on the other si de of a closed door or other o bstruction.
• If the alarm is loc ated outside the bedro om or on a different floor, it may not wake up a so und sleeper.
• T he use of alcohol or drugs may also impair one’s abili ty to hear the smoke alarm. Fo r maximum protection, a
smoke alarm sho uld be installed in each sle eping area on every level of a home.
This alarm is not intended to alert hearing impaired individuals.
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