Question about Delfield 26.64 cu. ft. Commercial Freezer Meridian MHPT1GS

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Voltage to evaporator fan

This freezer is actually @ 4 cu ft the evaporator fan plug only gets 35 volts.traced as far as terminal board and still same voltage. Wondering if the thermostat is partially open there is some resistance therefore not complete continuity box temp is 75 degrees

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  • Delfield Master
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Lots of things to look at. Let's get started.

Evap fans usually have some sort of fan delay, usually mechanical. These go bad fairly often. This could add resistance to the circuit.
You can have up to 1 Ohm of resistance through most mechanical t'stat devices. Anything over that, replace it. If you are getting 35 volts out of the board, it's probably the board. If you got voltage going in and not coming out, it's usually the board.

Posted on Feb 14, 2009

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