A fan coil unit, split AC preventive maintenance schedule lists the checks and jobs done on the equipment at fixed intervals, how long each takes, and in what order of frequency, so problems are found before the fan coil unit, split AC fails. This page gives the schedule used in the PlantOps360 task library for fan coil unit, split AC (and package ac), which follows common industry practice for general-purpose equipment. It is also searched for as split air conditioner, FCU, fan coil unit, ductable unit.
The maker’s manual and your site safety procedures always come first where they differ. Intervals set by law differ by state.
Fan coil unit, split AC preventive maintenance schedule and checklist
| How often | Task | Estimated time |
|---|---|---|
| Monthly | Clean or replace filters; check drain and condensate pump | 20 min |
| Monthly | Check supply air temperature difference and noise | 15 min |
| Quarterly | Clean indoor coil and blower; check electrical connections | 45 min |
| Half-yearly | Clean outdoor condenser coil; check refrigerant pressure and current | 60 min |
| Annual | Full service: leak check, motor and capacitor condition, thermostat calibration | 90 min |
Fan coil unit, split AC maintenance frequency and yearly workload
At the estimated times, one fan coil unit, split AC needs about 14 hours of preventive maintenance a year. The biggest single job is “Full service: leak check, motor and capacitor condition, thermostat calibration” at 90 minutes, done annual. Multiply by the number of units you have to see the workload for your plant.
| Frequency | Tasks | Time per round | Hours per year |
|---|---|---|---|
| Monthly | 2 | 35 min | 7.0 h |
| Quarterly | 1 | 45 min | 3.0 h |
| Half-yearly | 1 | 60 min | 2.0 h |
| Annual | 1 | 90 min | 1.5 h |
What goes wrong on a fan coil unit, split AC without preventive maintenance
- Clogged filters and coils
- Blocked condensate drain and water leaks
- Refrigerant leaks and low cooling
- Blower and capacitor failure
What to watch between services
- Temperature difference across the coil
- Noise and vibration
- Drain tray condition
Safety and statutory notes for fan coil unit, split AC maintenance
Service technicians must isolate the supply before opening the unit. Record refrigerant top-ups as a sign of a leak.
Where a fan coil unit, split AC preventive maintenance schedule is used
A fan coil unit, split AC is found in almost every industry. The industry guides below show how it fits into the wider schedule of each one:
- Preventive maintenance schedule for pharmaceutical plants
- Preventive maintenance schedule for food, dairy and beverage plants
- Preventive maintenance schedule for automotive plants
- Preventive maintenance schedule for chemical, fertiliser and petrochemical plants
- Preventive maintenance schedule for cement, glass, ceramics and building materials plants
- Preventive maintenance schedule for steel, foundry, forging and metal plants
- Preventive maintenance schedule for textile and garment mills
- Preventive maintenance schedule for thermal and hydro power plants
See all industry preventive maintenance schedules.
Related equipment maintenance schedules
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- Air handling unit preventive maintenance schedule
- Variable refrigerant flow system preventive maintenance schedule
- Cold room preventive maintenance schedule
- Ammonia refrigeration plant preventive maintenance schedule
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Browse the full list of equipment preventive maintenance schedules (317 types).
Run this fan coil unit, split AC schedule in maintenance software
In preventive maintenance software, each row above becomes a recurring task on the asset with its checklist, time estimate and parts. Tasks can be triggered by calendar date, running hours, meter readings or production cycles, each completed task is recorded with the person and date, and a failed check can open a work order. For the method behind it, read the guide to the preventive maintenance schedule, or use the free generator to get a 12-month plan for your whole equipment list.
Build my preventive maintenance schedule (free Excel)
Frequently asked questions
How often should a fan coil unit, split AC be serviced?
In our schedule a fan coil unit, split AC has 5 tasks: 2 monthly, 1 quarterly, 1 half-yearly, 1 annual. The biggest job is “Full service: leak check, motor and capacitor condition, thermostat calibration”, which is done annual. Always follow the maker’s manual where it gives a different interval.
What is included in fan coil unit, split AC preventive maintenance?
It covers routine checks and jobs such as “Clean or replace filters; check drain and condensate pump”, “Check supply air temperature difference and noise”, “Clean indoor coil and blower; check electrical connections”, up to the annual overhaul or inspection. The full list with times is in the table above.
How many hours of maintenance does a fan coil unit, split AC need per year?
About 14 hours per unit per year at the estimated times in our library, including all scheduled rounds. Use it to plan workload, not as a benchmark.
Is there a free fan coil unit, split AC maintenance checklist?
Yes. The table on this page is a ready checklist. The free preventive maintenance schedule generator turns it into a 12-month Excel schedule for your list of equipment, with monthly workload hours.