Owners Manual
Page 35 mrcool.com
Refrigerant Piping Connection
Before Test Run
Test Run Instructions
PASS/FAIL
Outdoor (2):
Indoor (2):
No electrical leakage
Unit is properly grounded
properly covered
Indoor and outdoor units 
are solidly installed
Wall Penetration Sleeve is 
packed airtight
do not leak
Water drains properly 
from drain hose
insulated
function properly
function properly
Indoor unit louvers rotate 
properly
Indoor unit responds to 
remote control
You should perform the   for at least 
30 minutes.
1.  
2. Press the   button on the remote 
controller to turn it on.
3.  Press the   button to scroll through the 
 • – Select lowest possible temperature
 •  – Select highest possible temperature
4. 
Only perform test run after you have 
completed the following steps:
• 
– 
the electrical system is safe and operating 
properly
• 
– 
not leaking
• 
pressure) valves are fully open
9
Test Run










