ECO GOLD25/08/2011/ YACE0088 Maintenance 578.3.2 Servicing intervals to VDI 3033Device part Mandatory for initial opera-tion and before any longerunsupervised operation,then with recommendedfrequencySection RemarksComplete deviceExternal condition of device MonthlyHeat transfer liquidInspect the heat transfer liquid Every six months (Ì 8.3.3)Bath vessel with drain tapSealing Daily External inspectionExternal hosesMaterial fatigue Monthly External inspectionChillerClean the air-cooled condenser Monthly (Ì 8.3.4.1) Cooling thermostatClean the plug-in sieve Monthly (Ì 8.3.4.2) Cooling thermostat, water-cooledDecalcify the cooling water cir-cuitQuarterly (Ì 8.3.4.2) Cooling thermostat, water-cooledElectronicsOvertemperature protection Quarterly (Ì 8.1.1)Low-level protection Quarterly (Ì 8.1.2)Bring the device parts and accessories to room temperature before touching them.8.3.3 Inspecting the heat transfer liquidContaminated or degenerated heat transfer liquid must be renewed.The heat transfer liquid is to be checked for its usability as required, but at least every six months. Furtheruse of the heat transfer liquid is only permissible if the inspection indicates this.The test of the heat transfer liquid takes place according to DIN 51529; ("Testing and assessment of usedheat carrier media"). Source: VDI 3033; DIN 51529.Caution !Critical temperature of the heat transfer liquidScalds, frostbite• Bring the heat transfer liquid to room temperature forthe analysis.
