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4-3 Cautions Of using R410A
I HFCs
1. When installing or removing or servicing an air conditioner, do not allow air or moisture to remain in the refrigeration cycle.
2. When evacuating an air conditioner, always use the vacuum pump to sufficiently evacuate an air conditioner.
3. You must use the specified lubricant(Polyol ester oil), valve and dryer.
I Lubricants
1. Synthetic Oils : POE, PVE, PAG, AB
2. POE is made from Acid and Alcohol
3. Hydrolysis causes Metallic Soap
Samsung Electronics
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