Use and Care Manual

15. Test Operation
OUTDOOR UNIT
mrcool.com | Page 20
The test operation must be carried out after the entire installation has been completed.
Check off the following before testing the operation:
Are both the indoor unit and outdoor unit installations completed?
Is tubing and wiring completed?
Have you checked the refrigerant pipe system for leaks?
Is drainage unimpeded?
Is the ground wiring connected correctly?
Has the length of the tubing and added stow capacity of the refrigerant been recorded?
Does the power voltage fit the rated voltage of the air conditioner?
Are there any obstacles blocking the outlet or inlet of the outdoor and indoor units?
Are both the gas -side and liquid-side valves fully opened?
Note - the air conditioner is pre-heated by turning on the power.
To test the operation, set the air conditioner under the mode of "COOLING"by remote controller, and
check the following points.
Indoor Unit:
Does the switch on the controller work well?
Do the buttons on the remote controller work well?
Do the air flow louvers move normally?
Has the room temperature adjusted well?
Do the indicator lights work normally?
Do the temporary buttons work well?
Is the drainage normal?
Is there vibration or abnormal noise during operation?
Outdoor Unit:
Is there any vibration or abnormal noise during operation?
Does the generated wind, noise, or condensation created by the air conditioner have any negative
influence on the surrounding area?
Has any of the refrigerant leaked?