Hitachi RAW-35RHC - Pump down Procedure Function

3 Control functions
Pump down procedure function
SMGB0135 rev.0 - 06/2020
31
3
3.14 Pump down procedure function
In case of replacing refrigerant parts, it is possible to collect the refrigerant to the outdoor unit by pump down procedure.
Conguredtimeforthepumpdownprocedure
! CAUTION
Aftercollectingtherefrigerantthroughthepumpdownprocedurefunctionit’snecessarytotakethevoltageoutofthesystemsothatthe
4-wayvalvedoesnotremainincoolingmode.