…GS520DZ 240volt Output SocketsCPUMP: Circulation PumpPUMP 1: 1Spd Pump or 2Spd Pump(If 1Spd must have a Circ pump)PUMP 2: 1spd Pump or 2Spd PumpPUMP 3: 1spd Pump (If pump 3 used, no blower)BLOWER: Blower (If Blower used, no Pump 3)AV: This outlet has a constant 240volts and is not switchable (can…