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Regular checks will help ensure efficient operation so keep a maintenance schedule and produce a checklist of activities to ensure cooling systems and controls are operating effectively.
- Check condensers. These reject heat that has been removed from inside a building and are usually located outside. Check condensers are unobstructed and always ensure condensing and evaporating devices are clean and well maintained.
- Check regularly for refrigerant charge and leakage in air conditioning and comfort cooling plant.
- Check insulation on pipework and replace any damaged sections. Damaged insulation on refrigerant pipework will affect the temperature of refrigerant flowing through a system and thus consume more energy in maintaining the required temperature. Pay specific attention to pipework located outside a building.
- Clean fans, filters and air ducts. Blocked filters lead to reduced airflow and increased operating costs. Consider fitting gauges to indicate when replacement of filters is required. Dirty components can reduce efficiency by up to 60%.
- Stay safe. Keep heat exchangers and cooling tower water treatment processes spotless to save energy and prevent health problems such as Legionella.
- Ensure thermostats are calibrated annually to ensure they respond correctly to actual temperatures.
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