Vaillant ecoTEC sustain 24 Installation And Maintenance Instructions Manual

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

2 Installation and maintenance instructions ecoTEC sustain 0020253094_05Installation and maintenanceinstructionsContents1 Safety .................................................................... 41.1 Intended use .......................................................... 41.2 Qualification ........................................................... 41.3 General safety information .................................... 41.4 Regulations (directives, laws, standards) .............. 61.5 List of relevant standards for Great Britain andIreland.................................................................... 62 Guarantee and Customer Service...................... 73 Technical data...................................................... 84 Notes on the documentation ............................ 115 Product description........................................... 115.1 CE marking .......................................................... 115.2 Energy Saving Trust Endorsed Products ............ 115.3 Information on the identification plate.................. 115.4 Serial number ...................................................... 125.5 Product design..................................................... 125.6 Safety Devices..................................................... 126 Set-up.................................................................. 136.1 Checking the scope of delivery............................ 136.2 Dimensions .......................................................... 136.3 Installation site ..................................................... 146.4 Minimum clearances............................................ 146.5 Compartment Ventilation ..................................... 146.6 Air/flue pipe.......................................................... 146.7 Using the installation template............................. 176.8 Wall-mounting the product................................... 176.9 Removing/installing the front casing.................... 186.10 Removing/installing the side section ................... 187 Installation.......................................................... 197.1 Preparing for installation ...................................... 197.2 Information on the gas group............................... 197.3 Purging the liquid gas tank .................................. 197.4 Using the correct gas type ................................... 197.5 Descaling the water ............................................. 197.6 Gas family check ................................................. 197.7 Gas and water connections ................................. 197.8 Connecting the condensate discharge pipe ........ 197.9 Installing the discharge pipe on the expansionrelief valve............................................................ 227.10 Flue installation.................................................... 227.11 Electrical installation ............................................ 228 Operation............................................................ 268.1 Operating concept ............................................... 268.2 Installer level overview......................................... 268.3 Calling up the installer level ................................. 268.4 Using diagnostics codes ...................................... 268.5 Displaying the status codes ................................. 268.6 Using check programmes .................................... 269 Start-up ............................................................... 289.1 Carrying out the initial start-up............................. 289.2 Checking and treating the heating water/fillingand supplementary water .................................... 289.3 Filling the condensate siphon .............................. 299.4 Switching the product on and off ......................... 299.5 Preventing low water pressure ............................ 299.6 Flushing the heating installation for the firsttime ("cold") ......................................................... 299.7 Filling and purging the heating installation .......... 299.8 Filling the hot water circuit ................................... 309.9 Checking the gas setting ..................................... 309.10 Thoroughly flushing the heating installation("hot")................................................................... 319.11 Checking leak-tightness ...................................... 3210 Adapting the unit to the heatinginstallation.......................................................... 3210.1 Activating diagnostics codes ............................... 3210.2 Burner anti-cycling time ....................................... 3210.3 Setting the maximum heating output ................... 3310.4 Setting the maintenance interval ......................... 3310.5 Setting the pump output....................................... 3310.6 Setting the bypass ............................................... 3310.7 Setting the domestic hot water temperature........ 3411 Handing over to the end user ........................... 3412 Inspection and maintenance ............................ 3512.1 Complete Service Interval Record section .......... 3512.2 Using original seals.............................................. 3512.3 Inspection and maintenance................................ 3512.4 Preparing the maintenance work......................... 3512.5 Checking the CO₂ content ................................... 3512.6 Setting the CO₂ content ....................................... 3612.7 Removing the compact thermal module .............. 3612.8 Cleaning the heat exchanger............................... 3712.9 Checking the burner ............................................ 3712.10 Cleaning the condensate siphon ......................... 3812.11 Cleaning the strainer in the cold water inlet......... 3812.12 Cleaning the heating filter .................................... 3812.13 Installing the compact thermal module ................ 3812.14 Draining the product ............................................ 3912.15 Checking the admission pressure of theexpansion vessel ................................................. 3912.16 Completing inspection and maintenance work .... 3912.17 Checking the product for leak-tightness .............. 3913 Troubleshooting ................................................ 3913.1 Checking service messages................................ 3913.2 Rectifying faults ................................................... 3913.3 Calling up the fault memory ................................. 3913.4 Deleting the fault memory.................................... 4013.5 Resetting parameters to factory settings ............. 4013.6 Preparing the repair work .................................... 4013.7 Replacing defective components......................... 4013.8 Completing repair work........................................ 4314 Decommissioning.............................................. 4314.1 Permanently decommissioning the product......... 43