Product Introduction
17 Liebert
®
SRC™ User Manual
2.2 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 that the materials traditionally used
in R22 systems.
R410A refrigerant is an azeotrop of R32 and R125, mixed at 50:50, so the ozone depletion potential (ODP)
is zero. Many countries have approved-of and encouraged R410A for use as an alternate refrigerant.
WARNING
Risk of piping ruptures and refrigerant leaks. Can cause equipment damage, illness, serious injury
and death from suffocation. Do not use piping that is not approved for use in high-pressure
refrigerant systems. Refrigerant leaks in non-ventilated spaces could cause oxygen depletion
levels that are dangerous to humans. Follow accepted safety practices for refrigerant storage,
discharging and charging.
NOTE
• 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 refrigerant is charged in
its gaseous state, its composition changes and the system will not work
properly.
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