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Goodman R22 heat pump. cooling inop after a few minutes. On heat call, Unit heats up fine. On cooling , Compressor loads up and condenser frosts up. No cooling at indoor coil.
RANCO, 3.0 to 9.5, 3.0 to 11.9, Heat Pump Reversing Valve - 5AV33|V10-418140-170 - Grainger
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What Is a Heat Pump Reversing Valve ? | Linquip
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Adding a reversing valve and cooling or heating loads on heat pump · Issue #287 · oemof/tespy · GitHub