Displays 0 ppm (parts per million) for carbon monoxide.
The JKD-512COM is covered by a limited one-year warranty. For warranty details and support information, please visit our website or contact authorized support personnel.
Replace the batteries immediately when the low battery warning is heard or when the LCD indicates low power 1.2.4.
Displays gas concentration when combustible leakages cross minimal detection thresholds.
The is a versatile, industrial-grade communication controller that bridges old serial worlds with modern IP networks. By following this manual, you should be able to install, configure, and deploy the device for any application—from simple RS-232 to RS-485 conversion up to complex stand-alone logic control.
The Red LED flashes, and the unit broadcasts the voice warning: "Fire! Fire!" followed by a continuous, rapid alarm pattern. Installation Guidelines
Hold the bracket against your ceiling or wall. Use a pencil to mark the screw locations.
Check power supply output with a voltmeter. Confirm polarity is correct. Open circuit on load side.
Move outdoors to fresh air immediately or open all doors and windows to ventilate the property.
The JKD-512COM is a true 2-in-1 device because it houses two distinct, independent sensors in a single enclosure:
Avoid dead air spaces, such as the peak of vaulted ceilings or corners.
Call emergency services or your local fire department from an outdoor location.
Place a detector within hearing distance of all bedrooms.
complies with European safety standards, including for smoke alarms and EN50291-1:2018 for domestic carbon monoxide electrical apparatus. Specification Details Power Source 3 × 1.5V AA Alkaline Batteries Sensor Types Electrochemical (CO) + Infrared Photoelectric (Smoke) CO Alarm Trigger
Manual - Jkd-512com User
Displays 0 ppm (parts per million) for carbon monoxide.
The JKD-512COM is covered by a limited one-year warranty. For warranty details and support information, please visit our website or contact authorized support personnel.
Replace the batteries immediately when the low battery warning is heard or when the LCD indicates low power 1.2.4.
Displays gas concentration when combustible leakages cross minimal detection thresholds.
The is a versatile, industrial-grade communication controller that bridges old serial worlds with modern IP networks. By following this manual, you should be able to install, configure, and deploy the device for any application—from simple RS-232 to RS-485 conversion up to complex stand-alone logic control.
The Red LED flashes, and the unit broadcasts the voice warning: "Fire! Fire!" followed by a continuous, rapid alarm pattern. Installation Guidelines
Hold the bracket against your ceiling or wall. Use a pencil to mark the screw locations.
Check power supply output with a voltmeter. Confirm polarity is correct. Open circuit on load side.
Move outdoors to fresh air immediately or open all doors and windows to ventilate the property.
The JKD-512COM is a true 2-in-1 device because it houses two distinct, independent sensors in a single enclosure:
Avoid dead air spaces, such as the peak of vaulted ceilings or corners.
Call emergency services or your local fire department from an outdoor location.
Place a detector within hearing distance of all bedrooms.
complies with European safety standards, including for smoke alarms and EN50291-1:2018 for domestic carbon monoxide electrical apparatus. Specification Details Power Source 3 × 1.5V AA Alkaline Batteries Sensor Types Electrochemical (CO) + Infrared Photoelectric (Smoke) CO Alarm Trigger
