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

8 Adapting the unit to the heating installation24 Installation and maintenance instructions ecoTEC pro 0020244995_028.4 Setting the pump output1. Navigate to diagnostics code D.014 in the installer leveland confirm by pressing .2. Set the required pump output.Conditions: Low loss header installed▶ Switch off the speed regulation and set the pump outputto a fixed value.8.4.1 Remaining feed head of the pump8.4.1.1 Pump characteristic line for VUW 246, VUW2860400300200100050150250350200 400 600 800 1000 1200 1400Remaining feed head [hPa]Flow rate [l/hr]100% PWM80%70%60%53%8.4.1.2 Pump characteristic line for VUW 30640030020010000 200 400 600 800 1000 1200 1600 18001400Remaining feed head [hPa]Flow rate [l/hr]100% PWM85%70%60%53%8.5 Setting the bypass valveCaution.Risk of material damage caused by incor-rect setting of the high-efficiency pumpIf the pressure at the bypass valve is in-creased (by turning it clockwise) and thepump output is set to less than 100%, theproduct may not operate correctly.▶ In this case, set the pump output to5 = 100% using diagnostics code D.014.▶ Remove the front casing. (→ Page 11)1▶ Regulate the pressure using the adjusting screw (1).Position of theadjusting screwPres-surein MPa(mbar)Notes/applicationRight-hand stop(turned all theway down)0.035(350)If the radiators do not heatup sufficiently at the defaultsetting. In this case, youmust set the pump to themaximum speed.Mid-position(5 turns to theleft)0.025(250) Default setting5 further turns tothe left from themid-position0.017(170)If noises are produced inthe radiators or radiatorvalves▶ Install the front casing.8.6 Handing the product over to the operator▶ When you have finished the installation, affix the en-closed sticker (which requests that the user reads theinstructions) to the front of the product in the operator'slanguage.▶ Explain to the operator how the safety devices work andwhere they are located.▶ Inform the operator how to handle the product.▶ In particular, draw attention to the safety informationwhich the operator must follow.▶ Inform the operator that they must have the productmaintained in accordance with the specified intervals.▶ Pass all of the instructions and documentation for theproduct to the operator for safe-keeping.▶ Inform the operator about measures taken to ensure thesupply of combustion air and flue gas guiding, and in-struct the operator that he must not make any changes.▶ Inform the operator that they must not store or use ex-plosive or highly flammable substances (such as petrol,paper or paint) in the installation room of the product.▶ Complete and sign off the Benchmark commissioningcheck list.▶ Complete and sign off the guarantee documentation.