Air Cooled Chillers:
- Monthly chiller maintenance
- Perform chemical testing of water. Treat as needed to ensure proper water chemistry for open systems.Quarterly hvac maintenance facts
- Perform chemical testing of water. Treat as needed to ensure proper water chemistry for closed systems.
- Inspect gearbox for excessive wear. Repair or replace as necessary.Semi-annual chiller maintenance
- Check control system and devices for evidence of improper operation. repair, adjust or replace components to ensure proper operation.
- Check fan belt tension. Check for belt wear and proper alignment. replace if necessary to ensure proper operation.v Check variable frequency drive for proper operation. Correct as needed.Annual chiller maintenance
- Check control box for dirt, debris and loose terminations. Clean and tighten as needed.
- Check motor contactor for pitting or other signs of damage. Repair or replace as needed.
- Check fan blades. Clean, repair or replace as needed to ensure proper operation.
- Check refrigerant system pressures and temperatures. If outside of recommended levels, find cause, repair and adjust refrigerant to achieve optimal operating levels.
- Check for fouling, corrosion or degradation. Clean or repair as needed.
- Check drive alignment, wear, seating and operation. Repair and replace as needed.
- Lubricate field serviceable bearings.
- Check for evidence of build-up or fouling on heat exchange surfaces. Clean as needed to ensure proper operation.
- Check for proper fluid flow. Clean, adjust and repair as needed to restore proper flow.
- Inspect air-cooled condenser surfaces. repair or clean as needed.
- Check low ambient head pressure control sequence for proper operation. Repair or replace components or modify software/algorithm to ensure proper operation.
- Check compressor oil level and or pressure on refrigerant systems having oil level and or pressure measurement means. Repair, replace or adjust as needed to ensure proper control.