Typically 120–135 PSI depending on ambient temperature.
Water-level alarm. This usually means the drain pump has failed or the drain pan is clogged with debris. Maintenance and Cleaning Procedures midea air condition mca 48hrn2 service manual
The Midea MCA-48HRN2 is a robust, ceiling-mounted cassette air conditioning unit designed for high-capacity cooling and heating in commercial or large residential spaces. Whether you are a technician performing routine maintenance or a building manager troubleshooting an error code, having access to the technical specifications and service procedures is vital for the longevity of the system. Typically 120–135 PSI depending on ambient temperature