Danfoss A2L Gas Refrigerant Detection Sensors Installation Guide
- May 15, 2024
- Danfoss
Table of Contents
ENGINEERING
TOMORROW
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 and
self-test Blinking green: Normal operation
(heartbeat).
Solid red: Alarm state – gas detected.
Blinking red: Sensor fault|
When mounted, the led will be
visible by reflection on the
mounting surface.
| 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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