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Due to our policy of continuous product innovation, some specifications may change without notification.

GENERAL DATA

R410A Refrigerant

R410A refrigerant has a higher operating pressure in comparison to R22 refrigerant and, therefore, all piping system materials installed must

have a higher resisting pressure than the materials traditionally used in R22 systems.

R410A refrigerant is an azeotrope of R32 and R125, mixed at 50:50, so the ozone depletion potential (ODP) is 0. Many countries have

approved of and encouraged R410A for use as an alternate refrigerant.

•

Do not use any piping that has not been approved for use in high-pressure refrigerant systems. Improper piping may cause refrig-

erant leaks and system malfunction.

• Piping wall thickness must comply with the applicable local, state, and federal codes for the 551 psi design

pressure of R410A.

• Because R410A is a combination of R32 and R125, the required additional refrigerant must be charged in its liquid state. If the refrig-

erant is charged in its gaseous state, its composition changes and the system will not work properly.

Do not place the refrigerant cylinder in direct sunlight. There is risk of ¿re, explosion, and physical injury or death.

Do not use any piping that has not been approved for use in high-pressure refrigerant systems. There is risk of ¿re, explosion and

physical injury or death. Improper piping may also cause refrigerant leaks. If the refrigerant leaks and safety limits are exceeded, it could

result in personal injuries or death from oxygen depletion.

LG LS090HEV1 Installation Manual

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