What is the defrosting principle of air source heat pump?

compressor

It won't reverse! only

heat pump

get through

Four-way reversing valve

will

evaporator

and

capacitor

The role of exchange,

cooling

Within the system

pipeline

In the opposite direction,

air conditioning equipment

Use state

And the heating conditions are reversed. In such a system

high-temperature

Duanhe

low temperature

The section position is reversed, so as to achieve the purpose of defrosting! thank you