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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 corrected. 

 

WARNING:

 Never ignore the sound of the alarm! If the alarm is sounding, pressing the test/reset button will 

terminate the alarm. If the CO condition that caused the alert in the first place continues, the alarm will reactivate. If the 

unit alarms again within six minutes, it is sensing high levels of CO which can quickly become a dangerous situation. 

Trouble Shooting Guide 

PROBLEM...  

THIS MEANS... YOU 

SHOULD... 

The horn sounds 1 short   

“chirp” every minute. 

Low battery warning. 

Install new 9V battery.

 

The horn sounds 3 quick 

“chirps” every minute. 

Malfunction signal. CO Alarm 

needs to be replaced.

 

The CO alarm should be replaced to a 

new one.

 

The horn sounds 2 quick 

“chirps” following with 1 

long “chirp”. 

Malfunction signal. CO Alarm 

needs to be replaced. 

The CO alarm should be replaced to a 

new one. 

CO Alarm goes back into 

alarm 4 minutes after you 

press the Test/Hush button. 

CO levels indicate a potentially 

dangerous situation.

 

IF YOU ARE FEELING SYMPTOMS 

OF CO POISONING, EVACUATE your 

home and call the Fire Department. If not, 

press the Test/Hush button again and keep 

ventilating your home. 

CO Alarm sounds 

frequently even though no 

high levels of CO are 

revealed in an investigation. 

The CO Alarm may be 

improperly located. Refer to 

“CO ALARM PLACEMENT.”

Relocate your alarm. If frequent alarms 

continue, have home rechecked for 

potential CO problems. You may be 

experiencing an intermittent CO problem.

 

 

 

 

LIMITED GUARANTEE 

Vs-Top Electronics Co, Ltd. (“the Company”), guarantees this Carbon Monoxide Alarm for two years from the date of 

purchase against any defects that are due to faulty materials or workmanship. This guarantee only applies to normal 

conditions of use and service, and does not include damage resulting form accident, neglect, misuse, unauthorised 

dismantling, or contamination howsoever caused. This guarantee excludes incidental and consequential damage. Vs-Top 

Electronics Co, Ltd. makes no guarantee, express or implied, written or oral, including that of merchantability or fitness for 

any particular purpose with respect to battery.   

 

Manufacturer:  

Xiamen Vs-Top Electronics Co., Ltd.   

2nd floor, No-107 Xiaguang Road, Xinyang Industrial District, Haicang ,Xiamen, China.   

Tel: 0086-592-6017700      Fax: 0086-592-6017711 

E-mail: [email protected]   Website:  www.orientalert.com 

This apparatus is designed to protect individuals from the acute effects of carbon monoxide exposure. It will 

not fully safeguard individuals with specific medical conditions. If in doubt consult a medical practitioner. 

Summary of Contents for VST-C598IH

Page 1: ...ectrochemical Power Source 220 240V AC 50Hz and 9V DC Battery back up Operation Current 60mA operation mains Alarm Level 50ppm Between 60 90 min 100ppm Between 10 40 min 300ppm 3min Alarm Sound Level...

Page 2: ...uations z Extended operation of unvented fuel burning devices range oven fireplace etc z Temperature inversions which can trap exhaust gases near the ground z Vehicle idling in an open or closed garag...

Page 3: ...Ignore a safety device when it shuts an appliance z Ignore any warning from your CO alarm CO ALARM PLACEMENT Typical single story home For minimum protection you should fit an alarm in the bedrooms or...

Page 4: ...tion HOW TO INSTALL THIS CARBON MONOXIDE ALARM This CO alarm can be installed either on the ceiling or the wall using the fixings provided DANGER ELECTRICAL SHOCK HAZARD Turn off power at the main fus...

Page 5: ...Push test button to test CO alarm See TESTING THE CO ALARM INTERCONNECTING SMOKE ALARMS For interconnecting line only use 14 18 AWG minimum solid or stranded wire When being interconnected maximum wi...

Page 6: ...minutes NOTE After initial 4 minute Silence cycle the CO Alarm re evaluates present CO levels and responds accordingly If CO levels remain potentially dangerous or start rising higher the alarm will s...

Page 7: ...ting step away when horn starts sounding Push and hold the Test Hush button on the cover until the LED flashes The alarm horn will sound 4 beeps a pause then 4 beeps The ALARM RED light will flash The...

Page 8: ...battery to make the alarm work long Some batteries can be used more than one year The battery should only be replaced by a qualified electrician or similarly qualified person 1 Turn off AC power suppl...

Page 9: ...r using aerosols or adhesives WARNING Reinstall the CO Alarm as soon as possible to assure continuous protection The following is a list of substances that at high levels can damage the sensor or caus...

Page 10: ...ventilating your home CO Alarm sounds frequently even though no high levels of CO are revealed in an investigation The CO Alarm may be improperly located Refer to CO ALARM PLACEMENT Relocate your ala...

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