Vaillant ecoTEC exclusive 627 Operating Instructions Manual

Also see for ecoTEC exclusive 627: Operating instructions Installation and maintenance instructions

Contents

Vaillant ecoTEC exclusive 627 Operating Instructions Manual Manual pdf 10 page image

5 Detecting and rectifying faults10 Operating instructions ecoTEC exclusive 0020193967_01NoteBoth stop valves must be closed while theheating system is operating and the filling linemust be removed from the double non-returnvalve again.3. Return to the basic display. (→ Page 7)4.15 Switching off the product's functions4.15.1 Switching off hot water generationApplicability: Product with hot water generation through external domestichot water cylinder1. To switch off cylinder charging without switching offheating mode, press ( ).◁ The set hot water temperature flashes in the display.2. Use the button to set the hot water temperature toCylinder charging off.3. Confirm by pressing .◁ Cylinder charging is switched off.◁ Only the frost protection function for the cylinderremains active.4.15.2 Switching off heating mode (Summermode)1. To switch off heating mode without switching off hotwater generation, press ( ).◁ The value of the heating flow temperature appearsin the display.2. Use the button to set the heating flow temperature toHeating off.3. Confirm by pressing .◁ Heating mode is switched off◁ The symbol appears in the display.4.16 Protecting the heating installation againstfrost4.16.1 Frost protection functionCaution.Risk of material damage due to frost.The frost protection function cannot guaran-tee flow through the entire heating installa-tion, which means that parts of the heatinginstallation may freeze and therefore becomedamaged.▶ During a period of frost, ensure that theheating installation remains in operationand that all rooms are sufficiently heated,even when you are away.NoteTo keep the frost protection devices active, youshould switch your product on and off using thecontroller, if one is provided.If the heating flow temperature falls below 5 °C when theon/off button is on, the product comes into operation andheats the circulating water to approx. 30 °C on both the heat-ing side and the hot water side (if available).4.16.2 Draining the heating installationAnother way to protect the heating installation and theproduct from frost for very long switch-off times is to drainthem completely.▶ Consult a competent person about this.5 Detecting and rectifying faults▶ If faults occur, proceed in accordance with the table inthe appendix.Troubleshooting (→ Page 12)▶ If you are unable to eliminate the faults using the spe-cified measures, if fault messages (F.xx) are displayed,or if the product does not function correctly, contact acompetent person.6 Calling up (Live monitor) statuscodes1. Press and at the same time.◁ The menu is called up.2. Navigate to Menu → Live monitor and confirm bypressing .Status codes – Overview (→ Page 13)7 Care and maintenance7.1 MaintenanceAn annual inspection of the product carried out by a compet-ent person is a prerequisite for ensuring that the product ispermanently ready and safe for operation, reliable, and has along working life.7.2 Caring for the productCaution.Risk of material damage caused by un-suitable cleaning agents.▶ Do not use sprays, scouring agents, de-tergents, solvents or cleaning agents thatcontain chlorine.▶ Clean the casing with a damp cloth and a little solvent-free soap.