Vaillant ecoTEC exclusive 832 Installation And Maintenance Instructions Manual

Also see for ecoTEC exclusive 832: Installation and maintenance instructions Installation and maintenance instructions

Contents

Vaillant ecoTEC exclusive 832 Installation And Maintenance Instructions Manual Manual pdf 46 page image

Inspection and maintenance46 Installation and maintenance instructions ecoTEC exclusive 0020017768_078543216Fig. 8.6 Installing compact thermal module> Place the entire compact thermal module (5) onto theintegral condensation heat exchanger.> Tighten the five nuts (2) across the diagonal until theburner door fits closely and uniformly onto the mat-ing surfaces.> Insert the ignition cable and the earth cable of theignition electrode (4).> Only ecoTEC exclusive 832: Insert the cables on thefan motor and the cable on the gas fitting. Only eco-TEC exclusive 838: Close the mains coupling to thefan.> Connect the gas supply (6) with a new gasket to thegas fitting. Use the spanner flat at the flexible gas lineto hold the gas line.a Danger!Risk of poisoning and explosion due toescaping gas!Damage to pipes and seals or loose screwscan result in leaks.> Open the gas supply.> Check the unit for gas leaks with leakdetection spray. Check the screwed connec-tion (6) particularly carefully.> Check that the blue gasket in the air intake pipe (1) iscorrectly located in the gasket seat.> Insert the air intake pipe on the suction nozzles andsecure the pipe with the retaining screw (3).8.5 Maintaining the secondary heat exchangera Danger!Risk of scalding and burns from hot compo-nents!There is a risk of being scalded or burned onall water-carrying components.> Allow the components to cool down beforestarting work.b Caution!Risk of material damage from beingsplashed with water!If you fail to protect the electronics box ade-quately, water can penetrate the box when itis being cleaned and damage the electronics.> Protect the electronics box from beingsplashed with water when it is folded down.i When removing the secondary heatexchanger, protect the opening in the appli-ance from dirt contamination!4321Fig. 8.7 Cleaning the secondary heat exchanger> Isolate the appliance from the house electricity circuit(see Section 8.3) and close the gas supply.> Close the maintenance cocks -if fitted- and the coldwater inlet valve on the inlet combination, and drainthe appliance.> Release the nut (4) on the secondary heat exchanger.> Release the clamp (1) on the preference changeovervalve.> Release the clamps (2) and (3) on the secondary heatexchanger.> Remove the secondary heat exchanger to the side.> Flush the secondary heat exchanger thoroughly withclean water.> When re-assembling, use new O rings and flat seals,the part numbers can be obtained from the partscatalogue.