Vaillant geoTHERM VWS Installation Instructions Manual

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Vaillant geoTHERM VWS Installation Instructions Manual Manual pdf 69 page image

69Installation instructions geoTHERM VWS 0020046310_019 Inspection and maintenance9.1 Notes for maintenanceAn annual inspection/maintenance of the unit by a spe-cialist is a prerequisite for continuing operational safety,reliability and a long working life.d Danger!Inspection, maintenance and repair workshould only be undertaken by an appro-ved heating installation company.Inspections / Maintenance work not car-ried out can result in damage to proper-ty and personal injury.e Danger!Risk of fatal electric shock from tou-ching live connections! Before commen-cing work on the heat pump, disconnectthe power supply (circuit breaker) andsecure it against being switched onagain inadvertently.Only genuine Vaillant spare parts may be used for in-spections, maintenance and repair work to ensure thelong-term availability of all functions of your Vaillant ap-pliance and to prevent the approved series conditionfrom being changed.Any spare parts which might be required are listed inthe relevant current spare parts catalogues.Information can be obtained from Vaillant CustomerService Centres.9.2 Carrying out maintenance worke Danger!Risk of fatal electric shock from tou-ching live connections! Before commen-cing work on the heat pump, disconnectthe power supply (circuit breaker) andsecure it against being switched onagain inadvertently.The heat pump is engineered in such a way that only afew maintenance tasks need to be carried out:– Manually actuate the safety assemblies in the brineand heating circuits at regular intervals.– Check the dirt filter in the brine circuit regularly.– Check the pressures in the brine and heating circuitsregularly.d Danger!Risk of injury!The heat pump may only be put into ope-ration again after all the cladding sec-tions have been fitted.9.4 Test operation and restartingd Danger!Risk of injury!The heat pump may only be put into ope-ration again after all the cladding sec-tions have been fitted.• Fit all the heat pump cladding sections as described inChap. 6.4.• Start up the heat pump.• Check the heat pump for correct functioning.Inspection and maintenance 9