الحمد لله والصلاة والسلام على رسول الله وعلى آله وصحبه أجمعين
D.X. Units Air Conditioners Work Operation and Maintenance
D.X. means direct expansion
Check and Record
A) Before Operation season routine work
1. Inspection of automatic devices
2. Inspection and maintenance of electric devices “motors, magnetic switches …etc
3. Inspection of refrigerant leakage and oil volume
4. Inspection of fans
5. Cleaning air conditioner body and air filter
6. Measuring insulation of electric devices
7. Confirmation of operation state
8. Drainage system to be checked and cleaned
B) 3 Months Routine work
1. Clean filter, check condition of coils, clean if necessary
2. Inspection of refrigerant leakage and oil volume
3. Inspection of fan
4. Confirmation of operation state
C) 6-Months Routine work
1. Clean coils condenser and evaporator
2. Check belt tension and adjust
3. Inspection of automatic devices and controls
4. Lubricate fan and motor bearings
Note: The work should also include any other routines recommended by manufacturer
في أمان الله