I installed a Titan N-120 tankless water heater in a new addition in my
house. It appears to be working fine, but there is a problem that is
baffling my electrician. When the hot water is turned on and the
instant hot engages, a 48 inch double florescent fixture in the vanity
area flickers. My electrician has changed the bulbs and ballast ( to
electronic) and it has not solved the problem. These units are on
different circuits and the electrical supply is more than adequate.
We had been assuming the problem was with the lighting fixture, but now
wonder if there is something about the water heater that might be
causing this. Any ideas would be appreciated.
A Tankless electric water heater pulls an enormous amount of Current. Any
current that travels through a copper wire sets up and Electromagnetic
field. My question is .. Does the wiring circuit to the Florescent fixture
parallel the wiring for the Tankless Water heater? If so is there any
possibility that you could easily isolate the two? My first thought is that
an electric field, from the massive current being drawn by the Tankless
Water heater, is inducing a counter voltage into the circuit that goes to
the Flourescent light.
On 1/26/07 3:31 PM, in article 45ba6516$0$9009$ firstname.lastname@example.org,
Did you check voltage at the lamp when the tankless is on, also test it
at the tankless to be sure proper gauge is allowing full power. It could
be electronics of the tankless are emitting RF from poor shielding. Im
sure your tankless co has your answer.
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