
Maintenance and service forms (PDF)
We share the maintenance and service forms we use in the field for free. A4, print-ready, with a checklist, measurement table and signature fields.
Chiller Maintenance Form
Used in periodic maintenance of air-cooled and water-cooled chillers.
Fan Coil Maintenance Form
Used for bulk fan coil maintenance in hotels, hospitals, offices and shopping malls.
Air Handling Unit Maintenance Form
Used in periodic maintenance of air handling units (AHU).
VRF Air Conditioner Maintenance Form
Used in periodic maintenance of VRF, VRV and VRS systems.
Air Conditioner Maintenance Form
Used in periodic maintenance of split, multi, cassette and ducted air conditioners.
Precision Air Conditioning Maintenance Form
Used in periodic maintenance of precision air conditioners (CRAC / CRAH) in data centers, server rooms and laboratories.
Refrigerant Leak Check Form
Used to record periodic leak checks on air conditioning, VRF, chiller and refrigeration equipment containing fluorinated greenhouse gases.
Technical Service Form
Used to record fault calls and service interventions on air conditioners, VRF, chillers, fan coils and air handling units.
Form list
| Form | Form no | Pages | Use | Download |
|---|---|---|---|---|
| Chiller Maintenance Form | YOİ-BF-01 | 2 | Chiller maintenance | |
| Fan Coil Maintenance Form | YOİ-BF-02 | 2 | Fan coil maintenance | |
| Air Handling Unit Maintenance Form | YOİ-BF-03 | 2 | Air handling unit maintenance | |
| VRF Air Conditioner Maintenance Form | YOİ-BF-04 | 2 | VRF air conditioning maintenance | |
| Air Conditioner Maintenance Form | YOİ-BF-05 | 2 | Periodic air conditioner maintenance | |
| Precision Air Conditioning Maintenance Form | YOİ-BF-06 | 2 | Precision air conditioning service | |
| Refrigerant Leak Check Form | YOİ-BF-07 | 2 | Refrigerant leaks and refrigerant charging | |
| Technical Service Form | YOİ-SF-01 | 2 | Breakdown and repair |
Frequently asked questions
Are the forms free?
Yes. All forms can be downloaded free as PDFs and printed for use at your own facility. The forms carry the YOİ Mühendislik watermark; they may not be modified and distributed under another name.
Which form should I use?
Choose by equipment type: chiller for central cooling, fan coil for terminal units, air handling unit for ventilation, VRF for variable-flow systems. Use the technical service form for fault interventions and the refrigerant leak check form for equipment containing fluorinated gases.
Are there Excel or Word versions of the forms?
The forms are published as watermarked PDFs. For our contracted customers, we provide a digital maintenance report prepared according to the equipment inventory.
The forms were prepared by YOİ Mühendislik and carry a watermark. They are free for internal use at your own facility; modifying them, removing the watermark, reproducing them under another company's name or republishing them is prohibited.
Let's do the maintenance together with the form.
Maintenance with measurements, a signed form and a digital report. Ankara headquarters, all across Türkiye.