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Thread: Daikin Ducted FCU
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29-09-2016, 11:55 AM #1
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Daikin Ducted FCU
Has anybody had any issues with Daikin FDQ 250 B units? We installed 180 last year, and have recurring issues with Condensate leaks. We've tried everything obvious. Water is getting into the fan section, and leaking out (obviously).
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29-09-2016, 12:45 PM #2
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Re: Daikin Ducted FCU
Have you installed traps on the drains and are they sized correctly for the static pressure of the FCU's?
Last edited by Slim R410a; 29-09-2016 at 12:56 PM.
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29-09-2016, 08:35 PM #3
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Re: Daikin Ducted FCU
That seems strange as the fan section is behind the coil so should be at a lower pressure than the outlet
If the condensate is flowing back it must be because there is excessive condensate.
Possible causes are lack of drainage or cracked drain pan
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03-10-2016, 02:13 PM #4
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Re: Daikin Ducted FCU
Isn't the fan section in front of the coil on the 250, therefore you would need to trap the drain?
