ACV E-Tech 240 Installation, Operating And Servicing Instructions

Also see for E-Tech 160: Installation & servicing instructions

Contents

ACV E-Tech 240 Installation, Operating And Servicing Instructions Manual pdf 5 page image

2 INSTALLATION52.3 ELECTRICAL CONNECTION2.3.1 CONTROL CIRCUIT POWER SUPPLYThe control circuit is automatically powered from the power circuit.It is also protected by a 2A magneto-thermal circuit breaker.2.3.2 CONTROL WIRING DIAGRAMIt is important to switch the boiler off before carrying outany work.230v ac1.1. 1.2.2.1. 2.2. 11 86 51315 1618Y1A1 A2(85-60)°C)Booster LightOn-Peak LightC 1 C 2 1091211141316152 187654312AA B E GC DFIH(78-53°C)IJJKKKKLLLLM NOPQ R STTElectrical wiring (fig 5)A. Bipolar magneto-thermal circuit breakerB. On/off switchC. Manually reset safety thermostatD. Water low safety deviceE. General shutdown bridgeF. Neutral safety switchG. Automatically reset 95° C cut-off thermostatH. Minimum thermostatI. Two-stage control thermostatJ. Power limitation switchK. Shutdown bridges for the various stagesL. Power relaysM. Day / night signalN. Booster pushbuttonO. Calibrator relay preset for a period of one hourP. Reverse current relayQ. Summer / winter selector switchR. Room thermostat (optional)S. Circulation pumpT. Fourth power stage (28.8 kW versions only)12345678910111213141516Power supply for optional clock(230 Volt AC)General shutdown bridgeContact for day / night signalconnectionRoom thermostat connectionLoad shedding for the 1st power stageLoad shedding for the 2nd power stageLoad shedding for the 3rd power stageLoad shedding for the 4th power stage(28.8 kW versions only)