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16-05-2010, 06:20 PM #1
Walk in freezer not restarting after defrost
i HAVE A WALKIN FREEZER COMPRESSOR THAT WILL NOT RESTART AFTER DEFROST CYCLE,, IN WHICH WE HAVE TO MANUALLY PUSH BUTTON ON SMALL RECTANGLE METAL BOX NEAR THE FAN,, THIS SEEMS TO ONLY HAPPEN WHEN IT IS WARM OUTSIDE, DURING THE COOLER MONTHS, IT DIDNT HAPPEN, BUT NOW AS IT IS HEATING UP,,THIS PROBLEM IS OCCURING...
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16-05-2010, 07:03 PM #2
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16-05-2010, 07:07 PM #3
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Re: Walk in freezer not restarting after defrost
High evaporator load after defrost trips that switch.
Therefore some electronic controllers have function to stop fan after evaporator temperature reach 2°C or more.
What controller is there?
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16-05-2010, 07:48 PM #4
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19-05-2010, 11:22 AM #5
Re: Walk in freezer not restarting after defrost
Hi! I'd definitely get a fridgie in to give it the once-ova. In the old days a crank-case pressure regulating valve helped lower pressures after a defrost (secondary to reducing compressor load), but with most small systems these days with solenoid pump-down and a fan delay after defrost it's not really necessary. Goood Luck!
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