ENGINEERING
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Installation guide
A2L Gas Sensors
Relay, MODBus and Dual Output
 | Electrical connection: | See product label | Ambient temperature |
 | Standard 6 pin | ||
 | Mounting holes are sized #10 or #12 self-tapping sheet metal screws. | To prevent water pooling, position the sensor with the logo facing up. Flat surface, for better performance. |  |
| Recommended tightening torque is 3N-m. | |||
| LED will indicate the sensor status when it is powered up. The LED is located on the reverse side of the sensor, near the membrane. |  Solid green light: Sensor power-up on andself-test Blinking green: Normal operation (heartbeat). Solid red: Alarm state – gas detected. Blinking red: Sensor fault |  When mounted, the led will be | |
| Make sure that the connecting wire is not overstretched. Connector should not be directing upwards, in order to ensure IP enclosure. | Preferred mounting positions | |
 | UL 60335-2-40 ed. 4 | ||
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© Danfoss | Climate Solutions | 2023.08
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Documents / Resources
 | Danfoss A2L Gas Refrigerant Detection Sensors [pdf] Installation Guide A2L Gas Refrigerant Detection Sensors, A2L, Gas Refrigerant Detection Sensors, Refrigerant Detection Sensors, Detection Sensors |