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15-05-2011, 03:47 AM #10
Re: chilled water fan coil unit problem
Is the drain located in the return fan side? If so.. ensure that the return fan is running faster then the supply fan. Other option is to install a small pump to prevent water from backing up from the drain. installing a check valve with the pump and putting some sort of switch to activate the pump may help in having the pump run continiously... Just a thought.