C2-Sewage Pumps DN 32 to DN 600 - 2008.pdf

Sewage Pumps for Building ServicesElectrical accessories Wilo-DrainEquipment/functionWilo-EC-Drain1x4.0Wilo-EC-Drain2x4.0Wilo-DrainControlPL 1/PL 1 WSWilo-DrainControlPL 2/PL 2 WSWilo-DrainControl 1Wilo-DrainControl 2Wilo KASApplicationSwitchgear for pump control • • • • • • –Alarm switchgear – – – – – – •Number of pumps to be controlled 1 2 1 2 1 2 –Electrical connectionDirect activation [A] max. 12 max. 2 x 12 max. 12 max. 2 x 12 max. 10 max. 2 x 10 –Star/delta switching – – – – > 10 A > 10 A –ConstructionMicroprocessor-controlled – • • • • • –Electronic • – – – – – •Housing materialPlastic • • • • • • •Metal – – – – – – –EquipmentTest run – • • • – – –Pump starts counter/impulse counter – – • • – – –LCD display – – • • • • –LED control lamp • • • • • • –Main switch • ••(only withPL 1 WS)•(only withPL 2 WS)• • –Ampere display – – • • • 2) • 2) –Voltmeter – – – – – – –Adjustable follow-up time – – • • • • –Operating hours counter – – • • • • –Level-registering Float switch • 3) • 3) • 3) • 3) • 3) • 3) –Pneumatic pressure sensor – – • • – – –Level sensor (4-20 mA) – – • 4) • 4) • 4) • 4) –Electrodes – – – – – – •Alarm mains-dependent • • • • • • –Built-in (buzzer) • • • • – – •Pump cycling – • – • – • –• = available, – = not available1) For other motor power ratings upon request2) Only for direct-switch-on devices (up to 4 kW)3) In the explosive area only with Ex cut-off relay4) In the explosive area, only with breakdown barrier128 Subject to change without prior notice 09/2007 WILO AG