40KMC---NGB - 10IMPORTANT for units equipped with electric heater:The unit is equipped with two thermostats: one with automatic resetand one with manual (electric) reset that can be reactivated byswitching the power supply off and then on.Electrical connectionsCONTROL PANELmod. 12 - 18 - 24Control panel can be reached by opening the grille and removing itsmetal cover by 4 screws. CACLRCVC GCPAB Condenser(under main terminalboard) Ground connection screws GMC board Outdoor unit connectionterminal boardCV CPCGCACLRABRelay board (only onmodels with electricheater)Transformer Holes for fixing panel inpositionEmergency push-buttonFan connectorLED/RECEIVER connectorFloat connectorPump connectorLouvre connectorA. Electric heater supplyconnectionB. Outdoor unit connectionC PC GC ACVCLRCONTROL PANELmod. 28 - 36 - 48 - 60SYSTEM CONFIGURATIONIMPORTANT:• Make ground connection prior to any other electricalconnections.• If the is fitted with an electric heater, this must have a separatepower supply.• Make the electrical connections between units prior to proceedingto the main supply unit connection.• According to the installation instructions, the disconnectingswitches from the mains power supply should have a contact gap(4 mm) such that total disconnection can be ensured under theconditions provided for by overvoltage class III.• Make sure the electric heaters power supply cable is fixed asshown in the figure CABLE PASSAGE (see page 14).Make certain that the YELLOW/GREEN cable is stripped backfurther than the others.