| The throttle forms a constriction. This constriction throttles the flow, thus dividing the refrigerant circuit into a high-pressure side and a low-pressure side. |
| Upstream of the throttle the refrigerant is warm while under high pressure. Downstream of the throttle the refrigerant is cold while under low pressure. |
| Before the constriction there is a strainer for dirt protection, after the constriction there is a strainer to vaporize the refrigerant before it reaches the evaporator. |
Note | t
| -Arrow A- on the throttle points to the evaporator. |
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| Replace the throttle after each opening of the refrigerant circuit. |
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