Vaillant ecoTEC pro 24 Installation And Maintenance Instructions Manual

Also see for ecoTEC pro 24: Instructions for use Instructions for installation and servicing Instructions for installation and servicing Instructions for installation and servicing

Installation 50020244995_02 ecoTEC pro Installation and maintenance instructions 155.8.2 Replacing the connection piece for theair/flue pipe as required1. Replace the connection piece for the air/flue pipe asrequired. The product-specific standard equipment islisted under Technical data.2. Remove the connection piece for the air/flue pipe – thisis installed at the factory. (→ Page 15)3. Alternatives 1 / 2▶ If required, install the connection piece for theair/flue pipe, 80/125 mm diameter. (→ Page 15)3. Alternatives 2 / 2▶ If required, install the connection piece withoffset for the air/flue pipe, 60/100 mm diameter.(→ Page 15)5.8.2.1 Removing the connection piece for theair/flue pipe1.2.3.1. Insert a screwdriver into the slot between the measuringstub pipes.2. Press the screwdriver carefully down (1.).3. Turn the connection piece anticlockwise (2.) as far as itwill go and then remove it by pulling it upwards (3.).5.8.2.2 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 15)2. Insert the alternative connection piece. In doing so, payattention to the latching lugs.3. Turn the connection piece clockwise until it clicks intoposition.5.8.2.3 Installing the connection piece with offsetfor the air/flue pipe, 60/100 mm diameter1. Remove the connection piece for the air/flue pipe – thisis installed at the factory. (→ Page 15)65 mm12. Insert the alternative connection piece with offset to-wards the front.3. Use two screws (1) to secure the connection piece tothe product.5.9 Electrical installationThe electrical installation must only be carried out by a quali-fied electrician.Danger!Risk of death from electric shock!Since mains connection terminals L and N re-main live even if the on/off button is switchedoff:▶ Switch off the power supply.▶ Secure the power supply against beingswitched on again.5.9.1 Opening the electronics box▶ Open the electronics box as shown in the illustration.5.9.2 Carrying out the wiringCaution.Risk of material damage caused by incor-rect installation.Mains voltage at incorrect terminals and plugterminals may destroy the electronics.▶ Do not connect any mains voltage to theeBUS terminals (+/-).