The principle of heat meter operation consists in coolant volume and temperature metering in supply and return pipelines, and subsequent determination of thermal energy based on metering results processing by a calculator.
Maintenance shall be carried out by people who have studied the operation manual.
- periodic maintenance during operation;
- maintenance before inspection.
Periodic maintenance includes visual examination of the heat meter, taking readings and corrective actions to eliminate the causes of errors in operation.
Examination shall be performed at least once a month, it includes inspection of secure device fastening at the site of operation, cabling condition and integrity of seals.
Replacement of lithium battery is required during periodic inspection.