Installation Guide
Contents
 Page 1 mrcool.com
Safety Precautions
Warnings .................................................................................................................................. 3
Cautions ................................................................................................................................... 5
Parts Overview
Parts Diagram ......................................................................................................................... 6
Display Window ...................................................................................................................... 8
Accessories ................................................................................................................................... 9 
Operating Instructions
Operating Temperature ......................................................................................................... 11
Manual Operation ................................................................................................................... 11
Airflow Directional Control .................................................................................................... 12
How the A/C & Heat Pump Work ........................................................................................... 13
Operation Mode Selection ...................................................................................................... 14
Special Functions .................................................................................................................... 14
Care and Maintenance
DISCLAIMER: You are assuming risk by handling materials containing refrigerants under pressure, that 
if not handled properly, can cause bodily injury. If you do not feel comfortable conducting this 
installation process,we recommend you retain the services of a qualified HVAC professional.
****Electrical work must be completed by a qualified electrical technician.**** 
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Installation Diagram .............................................................................
 18 
Line Set Length Specifications ............................................................................................... 19










