7
GB-22
9. TEST RUN
9.1 Before Test Run
A test run must be performed after the entire 
system has been completely installed. Confirm 
the following points before performing the test: 
 
a) Indoor and outdoor units are properly 
installed.
b) Piping and wiring are properly connected.
c) No obstacles near the inlet and outlet of 
the unit that might cause poor performance 
or product malfunction.
d) Refrigeration system does not leak. 
e) Drainage system is unimpeded and 
draining to a safe location. 
f) Heating insulation is properly installed.
g) Grounding wires are properly connected.
h) Length of the piping and additional 
refrigerant stow capacity have been 
recorded.
i) Power voltage is the correct voltage for 
the air conditioner. 
 CAUTION
Failure to perform the test run may result in 
unit damage, property damage or personal 
injury. 
9.2 10Test Run Instructions
1. Open both the liquid and gas stop valves. 
2. Turn on the main power switch and allow the 
unit to warm up.  
3. Set the air conditioner to COOL mode.
4. For the Indoor Unit
a. Ensure the remote control and its buttons 
work properly.  
b. Ensure the louvers move properly and 
can be changed using the remote control. 
c. Double check to see if the room 
temperature is registered correctly.
d. Ensure the indicators on the remote 
control and the display panel on the 
indoor unit work properly. 
e. Ensure the manual buttons on the indoor 
unit works properly. 
f. Check to see that the drainage 
system is unimpeded and draining 
smoothly. 
g.
Ensure there is no vibration or 
abnormal noise during operation. 
5. For the Outdoor Unit
a. Check to see if the refrigeration 
system is leaking. 
b. Make sure there is no vibration or 
abnormal noise during operation. 
c. Ensure the wind, noise, and water 
generated by the unit do not 
disturb your neighbors or pose a 
safety hazard.
NOTE: If the unit malfunctions or does 
not operate according to your 
expectations, please refer to the 
Troubleshooting section of the Owner’s 
Manual before calling customer service.  
 
GB