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Natural Gas Alarm
Model DD620NV
User's Manual
Thank you for purchasing this DeNova Detect Natural Gas Alarm. Please
thoroughly read and understand this user's manual content before using this
Gas Alarm and retain it for future reference. When natural gas (methane) is
detected, alarm warnings will be activated. The alarm consists of a flashing
red LED light, sounding of a warning alarm and a recorded message.
DANGER: ASPHYXIATION & EXPLOSION
NATURAL GAS LEAK ALARM INDICATES
AN EMERGENCY SITUATION AND RISK OF
EXPLOSION
• Leave building immediately, open doors and windows
as you leave. Take others with you. If you are outside
when you hear the alarm, leave the area immediately.
• Avoid creating any sparks.
• Find a phone AWAY FROM THE AREA and immediately
call 911 and/or your gas utility Company.
• Do not re-enter the area until the source of the leak is
found and corrected.
Follow directions from utility employees or emergency
responders on site.
DANGER: ELECTROCUTION
• Do not subject this Gas Alarm to water or liquid by
submerging it, spraying liquid on it or otherwise.
• Do not disassemble this alarm or attempt to remove
the front cover.
DANGER: EXPLOSION
Do not use this Gas Alarm as a short-term testing device.
Doing so may cause an explosion.
ML-350EN&SPT_(00)_
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Summary of Contents for DeNova Detect DD620NV
- Page 1 Natural Gas Alarm Model DD620NV User’s Manual Thank you for purchasing this DeNova Detect Natural Gas Alarm. Please thoroughly read and understand this user's manual content before using this Gas Alarm and retain it for future reference. When natural gas (methane) is detected, alarm warnings will be activated.
- Page 2 • Do not modify, disassemble, submerge, strike, crush, or expose Gas Alarm to high levels of volatile organic compounds. This may cause Gas Alarm to malfunction. • Contact DeNova Detect for replacement batteries. Commercially available batteries will not work. • Keep out of reach of children.
- Page 3 General Description & Intended Use DANGER If you smell natural gas, evacuate the area right away, then call 911 or your gas utility company. Do not wait for alarm to sound. DANGER This Gas Alarm is designed to act as a continuous monitor of natural gas that reaches the sensor.
- Page 4 Gas Alarm Parts • • Green LED Alarm Speaker - Power Sounds an alarm when natural gas This LED Light leak, Gas Alarm flashes on when trouble, low battery, the test button is or Gas Alarm end- pressed. of-service-life is detected.
- Page 5 Mounting the Gas Alarm Selecting the Gas Alarm Location WARNING • Mounting in an improper location can affect the sensitive electronic components in this Gas Alarm. • Improper Gas Alarm location can prevent detection of natural gas. • Improper location can prevent you from hearing the alarm. Install in a location where you can hear the alarm sound loudly from all sleeping areas.
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Page 6: Battery Installation
Doing so may cause an electrical short or shock. WARNING After installing or replacing batteries, always test the Gas Alarm to ensure it is operational. NOTICE This Gas Alarm uses a type of battery that is not available in retail stores. Contact DeNova Detect for replacement batteries. - Page 7 To install the included batteries, or replace with manufacturer-supplied replacement batteries: • Open the clear battery compartment cover on the back of the Gas Alarm. This cover slides out of place. To open, place both thumbs on the grooved arrows on the back of the battery cover where the battery cover hooks snap into place.
- Page 8 Mounting the Gas Alarm NOTICE After mounting the Gas Alarm, test it following instructions in this User’s Manual. The Gas Alarm may be mounted to the wall or a pipe in a location meeting the criteria discussed in the “Selecting Gas Alarm Location” section.
- Page 9 To Mount the Gas Alarm to a Pipe: (1) Pass cable ties through the holes at the top of the Gas Alarm. Cable ties are not included with this Gas Alarm. (2) Wrap the cable ties around the pipe and tie off.
- Page 10 Gas Alarm Functions This Gas Alarm is designed to activate an alarm in the event of a natural gas leak, Gas Alarm trouble, low battery, or Gas Alarm end-of-service-life for the Gas Alarm. Natural Gas Leak Alarm Activation A natural gas leak alarm activates when the concentration of natural gas in the area of the Gas Alarm reaches or exceeds 10%LEL for methane.
- Page 11 Responding to Natural Gas Leak Alarm Activation DANGER : ASPHYXIATION & EXPLOSION Follow these instructions carefully in the event the natural gas leak alarm activates. Never ignore natural gas leak alarm. When this Gas Alarm detects natural gas at a concentration of greater than or equal to 10% LEL for methane, it is designed to Provide 2 long beeps and announce, “Danger –...
- Page 12 Low Battery Warning Activation WARNING This Gas Alarm uses specialized batteries not available at retail stores. Contact DeNova Detect for replacement batteries. A low battery warning sounds when the batteries are low. When the low battery alarm first activates, the Gas Alarm will beep 1 time and announce “Low battery”...
- Page 13 Gas Alarm End-of-Service-Life Warning Activation The Gas Alarm end-of-service-life warning sounds when the Gas Alarm end-of-service-life is reached to indicate it is time to replace the Gas Alarm.This Gas Alarm will reach the end-of-service-life in approximately 10 years after the installation date. Replace after end-of-service-life warning is activated.
- Page 14 Testing the Gas Alarm Functions CAUTION Test your Gas Alarm’s power and natural gas leak alarm notifications at least once a week. If the Gas Alarm does not operate properly, it cannot alert you to the presence of natural gas. If your Gas Alarm fails to test, replace your Gas Alarm immediately.
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Page 15: Troubleshooting
Maintenance and Cleaning of Gas Alarm WARNING If the Gas Alarm is installed in dusty or dirty atmospheric environments, periodic cleaning of the Gas Alarm should be performed in accordance with these instructions. Dirt and dust can cause Gas Alarm malfunction or obstruct the entry holes in which gas needs to flow to reach the sensor in the Gas Alarm. -
Page 16: Specifications
Take the Gas Alarm to an electronics recycling facility (where such facilities exist) for disposal. Specifications Model number DD620NV Conforming standards UL standard (UL1484) Detection principle MEMS hot-wire semiconductor sensor Target gas Methane (Natural Gas) Operating temperature range 32°F (0°C) to 122°F (50°C) - Page 17 DeNova Detect, 650 Warrenville Rd, Suite 101, Lisle, IL 60532. Please include a note describing the problem when you return the product.
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Page 18: Contact Information
Contact Information DeNova Detect FOLLOW US @denovadetect 650 Warrenville Rd, Suite 101 Lisle, IL 60532 USA Phone: 847.749.3064 denovadetect.com support@denovadetect.com denovadetect.com... - Page 19 ML-350EN&SPZ_(00)_ Quick Start Guide Models DD620NV and DD622NCV Battery Installation To install the included batteries: • Open the clear battery compartment cover on the back of the Gas Alarm. This cover slides out of place. To open, place both thumbs on the grooved arrows on the back of the battery cover where the battery cover hooks snap into place.
- Page 20 • Connect the batteries by inserting the battery harness plug into the Gas Alarm receptacle as shown in the diagram below. Do NOT remove the plastic wrap surrounding the batteries. • The battery harness plug has a large notch on it that faces to the left away from the Gas Alarm when installed correctly.
- Page 21 Refer to the "Testing the Gas Alarm Functions" section of the User's Manual for complete instructions. Contact Information DeNova Detect FOLLOW US 650 Warrenville Rd, Suite 101 @denovadetect Lisle, IL 60532 USA Phone: 847.749.3064 support@denovadetect.com denovadetect.com...
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