W48HF-C15XXXXXX 4 TON WALL MOUNT HEAT PUMP CONFIGURED AS FOLLOWS: F - R-454B RIGHT SIDE CONTROLS C - 460 VOLT / 3-PHASE VOLTAGE 15 - 15KW ELECTRIC HEAT X - BAROMETRIC FRESH AIR DAMPER X - 1" FIBERGLASS FILTER X - BEIGE CABINET FINISH X - STANDARD CABINET X - COPPER/ALUM COILS X - HIGH & LOW PRESSURE SWITCHES COMPRESSOR CONTROL MODULE, REFRIGERANT LEAK DETECTOR (RDS) MFG BY: BARD