During monthly maintenance, inspect all loose connections and retighten them if necessary. Check the condition of the strainers and clean them, if necessary, after depressurising the system. Check the air pressure in the expansion tanks.
During annual maintenance it is necessary to carry out work in the scope of the monthly maintenance of the heating station. Flush connecting pipelines, strainers, valves and other shut-off and control valves. Replace sealing elements that have become defective. When stopping the circulation pumps of the hot water supply system for a period of more than three days, it is necessary to open the tap (the scheme of the heating station is indicated in the passport) and fill the hot water supply circuit with heating water to avoid precipitation. The system of maintenance of electrical equipment during operation is preventive. Types and periodicity of maintenance provides for preventive maintenance in accordance with the “System of preventive maintenance of power equipment of industrial enterprises”. Maintenance of electrical equipment should be performed in accordance with the operating documentation supplied with the heating station.