Vaillant ecoTEC sustain 24 Operating Instructions Manual

Also see for ecoTEC sustain 24: Installation and maintenance instructions Installation and maintenance instructions

Contents

Function 40020253095_01 ecoTEC sustain Operating instructions 114.2 Opening the isolator devices1. Ask the competent person who in-stalled the product to explain to youwhere these isolator devices are loc-ated and how to handle them.2. Open the gas isolator cock installedon-site.3. Open the gas isolator cock, which isdirectly below the product or in its im-mediate vicinity.4. Open the service valves in the heatinginstallation's flow and return.5. Open the cold water stop valve.4.3 Switching on the product1. Only start up the product once the cas-ing has been completely closed.2. If the display is switched off, pressfor less than 3 seconds.◁ The basic display is shown in thedisplay.4.4 Setting the heating flowtemperatureNoteIf the eBUS room temperature con-trol is connected to the product,the domestic hot water temperat-ure and the heating flow temperat-ure cannot be set via the operatingdisplay.Conditions: The temperature is controlled by theproduct▶ Press .◁ The heating flow temperatureflashes in the display.▶ Press the or button to set the tem-perature.◁ is shown in the display.▶ Confirm by pressing .NoteIf you press the button again,the heating installation pressureis shown in the display.▶ Press .◁ The basic display is shown.Conditions: Controller-regulated temperature▶ You cannot set the heating flow tem-perature.NoteIf you press the button, theheating installation pressure isshown in the display.4.5 Setting the hot watertemperatureNoteIf the eBUS room temperature con-trol is connected to the product,the domestic hot water temperat-ure and the heating flow temperat-ure cannot be set via the operatingdisplay.