Vaillant ecoTEC plus VU GB 5-5 Series Installation And Maintenance Instructions Manual

Also see for ecoTEC plus 1006 VU GB 1006/5-5: Installation and maintenance instructions

Contents

Vaillant ecoTEC plus VU GB 5-5 Series Installation And Maintenance Instructions Manual Manual pdf 24 page image

7 Start-up24 Installation and maintenance instructions ecoTEC plus 0020134823_07Set values Unit Naturalgas HCO₂ after 5 minutes in full loadmode with front casing closed Vol.–% 9.0 ±1.0CO₂ after 5 minutes in full loadmode with front casing removed Vol.–% 8.8 ±1.0Set for Wobbe index Ws kWh/m³ 15.0O₂ after 5 minutes in full loadmode with front casing closed Vol.–% 4.89 ±1.80CO content ppm ≤ 250CO/CO2 content 0.0028Condition: The CO₂ content must be adjusted11806/5-51006/5-51206/5-5Caution.Risk of poisoning due to an incorrectlyinstalled gas valve assembly.If the gas flow pressure is outside the per-missible ranges in the table, this may lead topersonal injury and material damage.▶ Check the integrity of all gas pipes.▶ Check the flue system for tightness.▶ Check the gas flow pressure.▶ Check the gas flow rate.▶ Break through the sealing sticker.▶ Set the CO₂ content (value with front casing removed)by turning the screw (1).NoteTurn to the left: Higher CO₂ contentTurn to the right: Lower CO₂ content▶ Only carry out the adjustment in increments of 1/8 turnand wait approximately 1 minute after each adjustmentuntil the value stabilises.NoteOn the VU GB 1006/5-5 and the VU GB1206/5-5, after changing the direction ofrotation, the CO₂ content only changesafter approx. 1 turn of the adjusting screw(overcoming the adjustment hysteresis).The adjusting screw must protrude onlyslightly from the casing.▶ Select (Cancel) once the adjustments have been made.▶ If an adjustment is not possible in the specified adjust-ment range, you must not start up the product.▶ If this is the case, inform Vaillant Customer Service.▶ Install the front casing. (→ Page 10)7.15 Checking leak-tightness▶ Check the gas pipe, the heating circuit and the hot watercircuit for leak-tightness.▶ Check that the flue system has been installed correctly.7.15.1 Checking the heating mode1. Make sure that there is a heat requirement.2. Call up the Live Monitor.– Menu → Live Monitor◁ If the product is working correctly, the display showsS.04.7.15.2 Checking the hot water generationDanger!Risk of death from legionella.Legionella multiply at temperatures below60 °C.▶ Ensure that the end user is familiar withall of the Anti-legionella measures in orderto comply with the applicable regulationsregarding legionella prevention.Condition: Cylinder connected▶ Make sure that the cylinder thermostat is requestingheat.1. Call up the Live Monitor.– Menu → Live Monitor◁ If the cylinder is charged correctly, the displayshows S.24.2. If you have connected a controller which can be used toset the hot water temperature, set the hot water temper-ature on the boiler to the maximum possible temperat-ure.