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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.
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• 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.
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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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