Snow sensor not detecting snow outside?

There can be several reasons for this. First, start by checking the snow sensor supply voltage between pins 2 and 3 of the class two terminal blocks. It should be close to 24 VDC (the label on some unit incorrectly say 24VAC). If there is no voltage...

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What is the maximum load for the SST-2?

Supply Voltage

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What voltages should I see when the sensor is connected to the controller and calling for snow?

This depends on the controller, on the newer APS-C series controllers, EUR-5A controller and the PRO series controllers they are supplied with 24VDC across the red and black wires (black is ground). The control signal coming back to the melt control...

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Why won’t the sensor turn on the system when it is snowing outside?

There can be several reasons for this. First start by checking the sensor supply voltage between pins 2 and 3 of the class two terminal blocks. It should be close to 24 VDC (the label on some unit incorrectly say 24VAC). If there is no voltage then...

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Troubleshooting the SIT-6E Snow Sensor

Environmental Technology Inc. demands the most and the best out of the products it manufactures and distributes. In a less than perfect world, however, less than ideal situations occur.

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What voltage measurement will help determine if the GIT-3A is working properly?

by David Mays | Aug 03, 2011 |

Frequently Asked Questions, GIT-3A, sensor, voltage

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Aside from checking the input voltage from the circuit breaker, you can also check the voltage between the red and black sensor wires on the GIT-3A. The controller should supply 16VDC to the sensor over these wires.

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