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FREQUENTLY ASKED QUESTIONS FOR SNOW AND ICE MELT

FREQUENTLY ASKED QUESTIONS FOR SNOW AND ICE MELT

by ETI Staff | Aug 6, 2020 | Controller, Frequently Asked Questions, Sensors, Snow & Ice Sensors FAQs, snow melting management, Snow Switch, Troubleshooting, Weather

Snow & Ice Systems – APS-3C                 QUESTION – Can I simulate a sensor call for heat to test the system?     ANSWER – Yes, by putting a jumper between pins 1 and 2 of the class two...
Power Line Noise Issues with Ground Fault Protection Equipment

Power Line Noise Issues with Ground Fault Protection Equipment

by ETI Staff | Oct 31, 2017 | FPT 130 FAQs, GPT 130 FAQs, GPT 230 FAQs, Troubleshooting

Due to the high sensitivity of ground-fault-current detection circuits, it is possible that excessive line noise on the power source wiring can cause an alarm. This can occur in the form of a ground-fault alarm, a stuck-relay alarm, or a ground-fault circuit alarm....

How do I set up my GPT for a RTD sensor?

by ETI Staff | Aug 2, 2017 | GPT 130 FAQs, GPT 230 FAQs, Troubleshooting

The GPT unit comes with a thermistor (two thermistors with the GPT 230) but is also compatible a 2-, 3-, or 4-wire RTD sensor. The diagram illustrates the correct wiring and DIP switch configuration for each temperature sensor wiring scheme. It is important that you...

Five Items for Troubleshooting ETI Products

by ETI Staff | Mar 7, 2014 | Control, Controller, Featured, Sensors, snow melting management, Troubleshooting

Everything—and everybody—needs to be looked after once in a while. Even Environmental Technology Inc. sensors, controllers or control panels are susceptible to the rigors of their, ahem, environments. Invariably, scrounging in parts inventories or running to the local...

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