Question about Heating & Cooling
I accidentally connected a hot wire on the thermostat-controlled switch with frame/ground and it caused my to quit. I replaced the $111.00 circuit board and the outdoor unit of the Intertherm T3RA-030K heating/ac system still only clicks and hums quietly after the 5-minute delay. These units don't have a safety fuse or breaker on them? If i replace the switch will it work or could accidental grounding cause a short elsewhere on the unit?
YOU HAVE TOUCHED A HIGH VOLTAGE WIRE TO GROUND AS I READ YOR STATMENT. THAT WILL CAUSE A HIGH VOLTAGE BREAKER IN YOUR DISCONNECT OR MAIN PANEL TO TRIP. YOU CAN FIND CONTACTOR IN OUTDOOR AC MASH IT IN WITH AN INSULATED SCREWDRIVER AND SEE IF COMPRESSOR COMES ON . IF NOT YOU HAVE NO HIGH VOLTAGE TO UNIT FIND AND RESET BREAKER. or YOU CAN GO TO MAIN PANEL AND ALL DISCONNECTS AND CHECK FOR A TRIPPED BREAKER. REMEMBER MOST BREAKERS TRIP TO HALF POSITION, BUT CUTLER HAMMERS TRIP TO OFF POSITION. THE THERMOMSTAT CONTROLLED SWITCH IS CONTROLLED BY LOW VOLTAGE THAT TELLS IT WHAT TO DO, BUT THE WORKING POWER IS USUALLY HIGH VOLTAGE IF ANYTHING HUMS ETC YOU HAVE LOW CONTROIL VOLTAGE BUT IF CONTROLS CLOSE AND NOTHING HAPPENS YOU HAVE LOST A LEG OF POWER OR BOTH LEGS. LOCATE TEST AND RESET ALL SOURCES OF POWER ( HIGH VOLTAGE)
Posted on Oct 25, 2008
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Posted on Jan 02, 2017
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Option 1. Fixture Controlled by Two Switches: Power Through a Switch Box
Two three-way switches control one light with the electric power coming through the first switch, flowing to the second switch, and then to the light fixture. The ground wire goes through both switch boxes and the ceiling light box and it is connected at all junctions, except the light, with a pigtail (short piece of wire) and wire connector. The hot wire in the drawing is black and is connected to the COM terminal. The neutral wire is white. Track each with a finger to its conclusion at the light fixture to ensure proper connection.
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