Operation 40020230534_02 ecoFIT pure Operating instructions 11Applicability: Product with connected domestic hotwater cylinder▶ Open the cold water stop valve.4.6 Starting up the product▶ Only start up the product once the cas-ing has been completely closed.4.7 Switching on the product▶ Switch on the product via the mainswitch installed on-site.4.8 Setting the heating flowtemperature1. Press ( ).◁ The target value of the heating flowtemperature appears on the display.NoteThe competent person mayhave adjusted the maximumpossible temperature.Conditions: No controller connected▶ Use or to set the required heatingflow temperature.▶ Confirm by pressing .Conditions: Controller connected▶ Set the maximum possible heating flowtemperature on the product.▶ Confirm by pressing .▶ Set the required heating flow temperat-ure on the controller (→ Controller oper-ating instructions).4.9 Setting the hot watertemperatureWarning.Risk of being scalded by hotwater.To protect against Legionella,the hot water can be heated upto above 60 °C at pre-definedtimes.▶ Have a competent personinform you about the meas-ures that should be taken toprotect against Legionella inyour system.1. Press ( ).◁ The set hot water temperatureflashes in the display.Conditions: No controller connected▶ Change the hot water temperature bypressing or .▶ Confirm by pressing .Conditions: Controller connected▶ Use to set the maximum possible hotwater temperature on the product.▶ Confirm by pressing .▶ Set the required hot water temperatureon the controller (→ Controller operatinginstructions).4.10 Switching off the product'sfunctions4.10.1 Switching off heating mode(Summer mode)1. To switch off heating mode withoutswitching off the hot water generation,press ( ).◁ The value of the heating flow tem-perature appears in the display.2. Use the button to set the heatingflow temperature to Off.