Contents
Page 1 mrcool.com
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 & Line Set Specifications
Single-Zone Line Set Specifications .................................................................................................. 19
Installation Diagram .......................................................................................................................... 18
Multi-Zone Line Set Specifications .................................................................................................... 20
Multi-Zone Air Handler Compatibility Chart ................................................................................... 21
Safety Precautions
Warnings ........................................................................................................................................... 3
Cautions ............................................................................................................................................ 5
Parts Overview
Parts Diagram .................................................................................................................................. 6
Unpacking & Packing Instructions ................................................................................................ 8
Indoor Unit Display ......................................................................................................................... 9
Accessories ............................................................................................................................................ 10
Operating Instructions
Operating Temperature .................................................................................................................. 12
Manual Operation ............................................................................................................................ 12
Airflow Directional Control ............................................................................................................. 13
How the A/C & Heat Pump Work .................................................................................................... 14
Operation Mode Selection ............................................................................................................... 15
Special Functions ............................................................................................................................. 15
Care & Maintenance
Maintenance Precautions ................................................................................................................ 16
Cleaning the Unit .............................................................................................................................. 16
Cleaning the Air FiIter(s) .................................................................................................................. 16
Preparation for Extended Non-Operation ..................................................................................... 17
Preseason Inspection ........................................................................................................................ 17