Vaillant ecoTEC sustain 24 Installation And Maintenance Instructions Manual

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

22 Installation and maintenance instructions ecoTEC sustain 0020253094_057.9 Installing the discharge pipe on theexpansion relief valve11. Ensure that the pipeline is visible.2. Connect the expansion relief valve (1).3. The pipe must have a continuous fall and be routedto a position so that any discharge of water, possiblyboiling, or steam cannot create any danger to persons,damage to property or external electrical componentsand wiring.◁ The components must be set up in such a way thatyou can see the water flowing out.7.10 Flue installation7.10.1 Installing and connecting the air/flue pipe1. You can find out which air/flue pipes may be used byconsulting the enclosed set-up instructions for theair/flue system.Condition: Installation in damp rooms▶ You must connect the product to a room-sealed air/fluesystem. The combustion air must not be taken from theinstallation site.2. Install the air/flue pipe as described in the set-up in-structions.7.10.2 Replacing the connector for the air/flue pipeas required1. Replace the connector for the air/flue pipe as required.The product-specific standard equipment is listed underTechnical data.2. Remove the connection piece for the air/flue pipe – thisis installed at the factory. (→ Page 22)3. If required, install the connection piece for the air/fluepipe, 80/125 mm diameter. (→ Page 22)7.10.2.1 Removing the connection piece for theair/flue pipeABC1. Insert a screwdriver into the gap between the measur-ing points.2. Press the screwdriver carefully down.3. Turn the connection piece anticlockwise as far as it willgo and then remove it by pulling it upwards.7.10.2.2 Installing the connection piece for theair/flue pipe, 80/125 mm diameter1. Remove the connection piece for the air/flue pipe – thisis installed at the factory. (→ Page 22)2. Insert the alternative connection piece. Pay attention tothe lugs.3. Turn the connection piece clockwise until it clicks intoposition.7.11 Electrical installationThe electrical installation must only be carried out by a quali-fied electrician.Danger!Risk of death from electric shock!Power supply terminals L and N remain liveeven if the on/off button is switched off:▶ Disconnect the product from the powersupply by switching off all power suppliesat all poles (electrical partition with a con-tact gap of at least 3 mm, e.g. fuse or cir-cuit breaker).▶ Secure against being switched back onagain.▶ Wait for at least 3 minutes until the capa-citors have discharged.▶ Check that there is no voltage.