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Maintenance and service
Installer and user reference guide
138
LREN8~12A7 + LRNUN5A7
CO₂ ZEAS outdoor unit and capacity up unit
4P704142-1 – 2022.08
3
Fully open service ports SP3, SP7 and SP11 to release the refrigerant. See
"15.2.5 To handle the service port"
81]. All refrigerant must be evacuated
before continuing.