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2 ton heat pump. In cooling mode suction pressure and head

Customer Question
pressure ok. unit worked properly...
2 ton heat pump. In cooling mode suction pressure and head pressure ok. unit worked properly. In heat mode, suction line and liquid line pressures equal 150 psi. true suction goes to vacuum. the outside unit shuts down from pressure switch. Any thoughts?
Submitted: 1 year ago.Category: HVAC
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Answered in 3 minutes by:
12/18/2015
HVAC Technician: airheatman, HVAC Technician replied 1 year ago
airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8,528
Experience: Furnace, A/C and heat pump specialist.
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Most likely cause is a failed txv in outdoor unit.

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