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2TWR3 - Defrost Problem/Outdoor Coil Frozen
Trane Heat Pump: 2TWR3 Re: Not Defrosting / Frozen This model uses a Demand Defrost control board. The board uses an Ambient (outdoor) Sensor and Liquid Line Sensor to determine the proper conditions for defrost to occur. Qty Possible Causes: Bad Liquid Line Sensor ...
29 Nov, 2017
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