Vaillant ecoTEC VU 466/4 Installation And Maintenance Instructions Manual

Also see for ecoTEC VU 466/4: Installation manual Operating manual

Contents

Vaillant ecoTEC VU 466/4 Installation And Maintenance Instructions Manual Manual pdf 3 page image

3Installation and maintenance instructions ecoTEC 0020029172_03ContentsNotes on the documentation 1Other applicable documents and service auxiliaries• Always observe all installation instructions forstructural parts and components of the system wheninstalling the ecoTEC VU. These installationinstructions are enclosed with the various systemcomponents as well as additional components.• Also observe all the operating instructions includedwith the system components.Auxiliary service equipment:The following test and measuring equipment is requiredfor inspection and maintenance:– CO2 measuring instrument– U tube manometer or digitalThe manuals for any accessories and controllers usedalso apply.1.1 Storage of documentsPlease pass on these installation and maintenanceinstructions and all other applicable documents to theoperator of the installation who is responsible forkeeping these documents for future reference whenrequired.1.2 Safety instructions and symbolsPlease observe the safety instructions in this manual forthe installation of the appliance!The symbols used in the manual are explained below:d Danger!Immediate risk of serious injury or death!e Danger!Danger of death by electric shock!H Danger!Danger of burning or scalding!a Caution!Potentially dangerous situation for the productand environment!h Note!Useful information and instructions.• Symbol for a necessary task1.3 Validity of the instruction manualThese installation instructions apply exclusively to theboiler with the following part number:Type designation Article numberecoTEC VU GB 466/4-5 H 00 1000 4139Table 1.1 Type designation and article numberThe article number of the boiler can be found on theidentification plate.8.3 Maintenance of the compact thermal module .. 388.3.1 Dismounting the compact thermal module ........ 388.3.2 Cleaning the heat exchanger ................................. 398.3.3 Checking the burner ................................................. 398.3.4 Installing the compact thermal module .............. 408.4 Cleaning the condensate siphon ........................... 408.5 Cleaning the condensate ducts ............................. 418.6 Cleaning the air separation system ..................... 418.6.1 Cleaning the filter ..................................................... 418.6.2 Cleaning the air separator ...................................... 418.7 Checking the charge pressure of the external ex-pansion vessel............................................................ 418.8 Checking gas connection pressure (gas inletworking pressure) ..................................................... 428.9 Checking the CO 2 concentration .......................... 428.10 Test operation............................................................ 429 Troubleshooting ................................................ 429.1 Diagnostics ................................................................. 429.1.1 Status codes ............................................................... 429.1.2 Diagnosis codes ......................................................... 439.1.3 Fault messages .......................................................... 469.1.4 Fault memory ............................................................. 469.2 Check programs ........................................................ 489.3 Resetting parameters to factory settings .......... 4810 Replacing components ..................................... 4910.1 Safety instructions ................................................... 4910.2 Replacing the burner ............................................... 4910.3 Replacing the fan or the gas valve...................... 4910.4 Replacing the heat exchanger ............................... 5010.5 Replacing PCB and display ..................................... 5111 Vaillant Service ................................................. 5112 Recycling and disposal ..................................... 5112.1 Boiler ............................................................................ 5112.2 Packaging .................................................................... 5113 Technical data ................................................... 521 Notes on the documentationThe following instructions are intended to help youthroughout the entire documentation.Further documents apply in combination with thisinstallation and maintenance manual.We accept no liability for any damage caused bynon-observe these instructions.Benchmark gas boiler commissioning checklist ......54