- Check data log
- Inspect and clean air filters of all fan coils (each visit)
- Tighten all wire connections (each visit)
- Oil bearings as needed.
- Check belts and adjust tension (as needed).
- Check all safety protection (twice a year).
- Check General Proper functioning of the indoor unit (each visit)
- Check General Proper functioning of the outdoor units (each visit)
- Check thermostat operation (manual mode if available; twice a year).
- Check unit input voltage (actual voltage versus name plate voltage; each visit).
- Check compressor input current (actual amp versus nameplate amp; each visit).
- Check fan motor input current (actual amp versus nameplate amp; each visit).
- Check fan input current (actual amp versus nameplate amp; each visit).
- Check drain line (twice a year or as needed).
- Check refrigerant (as needed).
- Check differential temperature (each visit).
- Flush condenser coil with water (once a year or as needed).
- Light cooling coil cleaning (once a year or as needed)
