SER048AHPMCS0VS 4-TON WATER SOURCE HEAT PUMP CONFIGURED AS FOLLOWS: R - HORIZONTAL, RIGHT RETURN, STRAIGHT SUPPLY AIR H - 208-230/60/3 VOLTAGE P - DXM2.5 W/MPC CONTROLS M - EXTENDED RANGE, ULTRA QUIET CABINET INSUL, 1" FILTER FRAME C - VFLOW MODULATING WATER VALVE, COPPER WATER COIL S - UNCOATED/MICROCHANNEL AIR COIL 0 - NO HOT WATER GENERATOR V - ECM CONSTANT VOLUME BLOWER CLIMATEMASTER