8 Installation and maintenance manual ecoLEVEL 0020010507_02Connection type A (ecoMAX):Connect the overflow safety switch to the boiler‘s lowvoltage circuit in the following manner:• Open the boiler electrical box.• Remove the cable bridge from the blue slot (“Anl-Therm”) on the circuit board.• Plug the blue Pro E plug on the end of the ecoLEVELcondensate cable into this slot.987 543 NLNLPumpe 2. PumpeAnl -ThermL N24V I230VRT 24V 230V RT 230VX 10 X 7 X 8X 2131 1 11Codierwiderstand12Fig. 6.2 Connecting the overflow safety switch, connectiontype A6 Electrical connection