LG THERMA V HN0613M Installation Manual page 193

Air-to-water heat pump
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COMMISSIONING
193
2. Charge of refrigerant
You should be charged after vacuum.
You can see amount of refrigerant at quality label.
Please to charge at cooling mode when there is not full charging.
Refrigerant
cylinder
Manifold gauge
SVC Port
Refrigerant
Refrigerant
cylinder
cylinder
* It is recommended to charge the refrigerant container upside down.

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