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Thread: Electronic expansion valves
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29-09-2021, 03:06 AM #1
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Electronic expansion valves
Electronic expansion valves
Last edited by sigourney; 25-03-2022 at 04:31 AM.
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29-09-2021, 12:17 PM #2
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Re: Electronic expansion valves
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Electronic can flood back if set wrong or fail so the main advantage is better control and
they respond faster.
With a traditional thermostatic valve the open / close cycle is over about 6 DegsC (or 6K)
so there is always a delay or a lag in response to the valve opening and closing. The 6K diff
gives added protection against flood back.
With an electronic valve that differential can be reduced to less than 1 DegC (1K) so they
are far more responsive.
Regards
Rob
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