Vaillant ecoMAX 665 Installation And Maintenance Manual

Also see for ecoMAX 665: Instructions for use Installation and maintenance manual

Vaillant ecoMAX 665 Installation And Maintenance Manual Manual pdf 26 page image

26 Installation and maintenance manual ecoMAX 6657 Inspection and maintenance7 Inspection and maintenance7.1 Inspection and maintenance intervalsAppropriate, regular inspections and maintenance andthe exclusive use of original spare parts are the decisivefactors in determining whether your Vaillant ecoMAX 665will run problem-free and have a long service life.Danger!Inspections/Maintenance work not carried outcan result in material damage and injury to per-sons.We therefore recommend the conclusion of an inspec-tion or maintenance contract.The inspection is intended to determine the actual con-dition of the respective device and compare it with thenominal condition. This is done by measuring, checking,observing.Maintenance is required in order to eliminate any devia-tions of the actual condition from the specified condi-tion. This is usually done by cleaning, setting and, if ne-cessary, replacing individual components subject to wear.With regard to the Vaillant ecoMAX 665, this means it isusually sufficient to conduct an inspection once a year.Inspections can be performed quickly and economicallywithout dismounting any components thanks to the dataquery in the DIA system, easy optical inspection and anair ratio measurement.Experience indicates that under normal circumstances itis not necessary to clean the burner and heat exchang-ers yearly. These maintenance intervals and their extentare determined by a specialist, depending on the ascer-tained condition of the appliance during the inspection.All inspection and maintenance work should be per-formed in the order specified in table 7.1.Caution!The appliance may only be used• for initial operation• for testing• for continuous operationwith the chamber cover closed and with the fluesystem fully mounted and sealed.7.2 Inspection and maintenance instructionsOnly original Vaillant spare parts may be used forinspections, maintenance and repair work to ensure theperfect long-term working order of all functions of theVaillant appliance and to prevent the allowed serial con-dition from being changed.Please contact Vaillant Service Solutions (0870 6060 777)for further details.Note!If inspection and maintenance work is neces-sary with the mains switch on, this is indicatedin the description of the maintenance work.Danger!The supply terminals of the appliance are undervoltage even if the mains switch is off.Always perform the following steps prior to maintenancework:• Switch off the mains switch.• Disconnect the appliance from the mains supply by de-energising the appliance by means of a separator witha contact opening of at least 3mm (e.g. fuses or circuitbreakers).• Close the gas shut-off valve.• Close the heating supply and return and the coldwater inlet valve.• Take the front casing off the appliance.Always perform the following steps after performing anymaintenance work:• Open the heating supply and return and the coldwater inlet valve.• Refill the appliance, if necessary, on the hot water sideup to a pressure of between 1.0 and 2.0 bar and bleedthe heating system (see chapter 5.1).• Open the gas shut-off cock.• Reconnect the device to the mains supply and switchon the mains switch.• Check the appliance for gas and water leaks.• If necessary, refill and re-bleed the heating system.• Put on the appliance‘s front casing.