40 TH ANNIVERSARY 1979 - 2019 COMPANY PRODUCTS APPLICATIONS CASE STUDIES AFTER SALES / FAQ CONTACTS RESERVED AREA Home » Faq SCM FAQ Frequently asked questions REFRIGERANT How does the refrigerant charging procedure take place? How much CO2 must be charged into the unit? What requirements must have the CO2 charged into the unit? OIL How does the oil charging procedure take place? How much oil must be charged into the CO2 SCM Frigo unit? What type of oil must be loaded inside the CO2 unit? MAINTENANCE How does the Pump Down procedure inside the Liquid Receiver take place? How does the oil separator filter replacement procedure take place? How does the cartridge filter replacement procedure take place? How does the liquid line filter replacement procedure take place? After how much time should the filters be changed? After how much time should the oil be changed? Flexibility and large experience Reputation as CO2 OEM Leader Focus on Innovations Lean Production System Reliable Partners AFTER SALES CONTACT US FAQ 40 YEARS 1979 – 2019 MORE COMPANY PRODUCTS APPLICATIONS SUSTAINABLE CO2 REFRIGERATION BLOG CASE STUDIES CO2 TRAINING CENTER AFTER SALES SERVICE FORM CONTACTS FAQ COMPANY Leader in the Design and Production of Condensing Units, Boosters and Chillers, SCM FRIGO operates in the refrigeration sector with advanced technologies exporting its CO2 range of products worldwide. PRODUCTS CO2 CONDENSING UNITS CO2 CASCADE SYSTEM CO2 CHILLERS CO2 PUMPING STATIONS CO2 TRANSCRITICAL RACKS COMMERCIAL CO2 TRANSCRITICAL RACKS INDUSTRIAL HFC RANGE PNC AND PNCC SOLUTIONS WALK IN SOLUTIONS SCM FRIGO S.P.A. Viale Andrea Palladio, 31 35020 Sant’Angelo di Piove Di Sacco (PD) – Italy +39 049 970 5000 info@scmfrigo.com © 1979-2021 SCM Frigo S.p.A. VAT 04342820281 | Privacy / Cookie Credits: Dry Design We use cookies including third parties that improve services, navigation, promotions for you. Read More. OK