Question about Marathon Water Heaters
Started my generator when I lost power, but could not get more than 40 volts out of my generator that normal putout 240 volts
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: POWER PROB: I have an 85
It sounds like upper or lower thermostat.
Thermostats turn off one leg (or one wire) in the 240Volt circuit, so each elements will test for 120V even when thermostat is off.
When thermostat turns ON, it closes circuit by adding the second leg to 240V circuit, and element turns ON.
Take 30 minutes and troubleshoot before replacing parts:
Posted on Jan 11, 2011
Testimonial: "Thanks for the quick response/the great links! The power issue is fixed, and I have a better understanding of the thermostat operation. Thanks again"
SOURCE: I just installed a marathon
The top element should be heating if there is 240 volts across the element terminals. I take it that the top element is the booster element. The thermostat for the top element is normally a 2 pole thermostat which switches the neutral to the bottom thermostat once it reaches temperature. Once this occurs then the bottom element will start to heat. The top element will only come on when you use all the hot water. Is this supply on the off-peak rate? When testing always check the voltage across the element terminals.
Posted on Mar 21, 2011
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