Adam,
What you need is a reversing valve or easier still, a hot gas bypass defrost system. Basically, all it does is take the hot gasses straight out of the condenser and puts it directly into evap bypassing whatever regulating device you have (TXV or Cap tube). It only needs a solenoid and a sensing system with a timer.
Last edited by Mikesolar; 11-25-12 at 06:25 AM..
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