Cooling System Maintenance
By choosing NIMBUS, you set your facility management team up for success. Thanks to expert training and helpful manuals, your staff will be well prepared to perform routine maintenance that will keep your NIMBUS cooling systems in peak operational condition.
Recommended Maintenance Check List – VIRGA™ and BOREAS® Systems
Monthly or As Needed
- Inspect fin faces and remove debris, dirt or scale buildup
- Rotate fans for at least five minutes
- Ensure spray nozzle orifices are clear and directed toward coils (VIRGA only)
Semi-Annual
- Clean coils with low pH fin cleaner
- Following proper lockout/tagout procedures, inspect the controls enclosure for any loose wire connections
- Visually inspect fluid connections for leaks
- Check temperature sensor for accuracy
- Measure and record fan motor running current
- Check fan motors for bearing wear or damage
- Ensure motor mounts and pipe fittings are secure
Preparation for Warm Weather/Spray Season
- Inspect fin faces and remove debris, dirt or scale buildup
- Visually inspect fluid connections for leaks
- Ensure spray nozzle orifices are clear and directed toward coils (VIRGA only)
- Open city water valve to enable spray (VIRGA only)
- Test spray water source for pH, hardness, and total dissolved solids (VIRGA only)
Preparation for Winter Weather
- Check glycol concentration to ensure adequate freeze protection
- Winterize spray piping by shutting off city water and draining pipes (VIRGA only)
- Ensure city water heat trace is powered and working as expected (VIRGA only)
For comprehensive maintenance instructions, please follow your provided user guides.
NOTE: Since each NIMBUS system operates with individualized coolant circulation system specifications, please follow the maintenance instructions provided at installation.
