W48AF-A05YPXXXX 4 TON WALL MOUNT A/C CONFIGURED AS FOLLOWS: F - R-454B RIGHT SIDE CONTROLS A - 208-230/1/60 VOLTAGE 05 - 5KW ELECTRIC HEAT W/ TOGGLE Y - ECONOMIZER DRY BULB SENSOR P - 2" FIBERGLASS MERV-8 FILTER X - BEIGE ENAMEL FINISH X - STANDARD CABINET X - COPPER/ALUM COILS X - HIGH & LOW PRESSURE SWITCHES COMPRESSOR CONTROL MODULE, REFRIGERANT LEAK DETECTOR (RDS) MFG BY: BARD