User Manual

Contents
Page 2mrcool.com
Safety Precautions
Warnings ................................................................................................................................. 3
Cautions .................................................................................................................................. 4
Overview
Parts Diagram (Overview) .................................................................................................... 5
Multi-Zone Diagram (Wall-Mounted Indoor Handlers) ...................................................... 6
Multi-Zone Diagram (Ceiling-Ducted Indoor Handlers) ..................................................... 6
Multi-Zone Diagram (Cassette Indoor Handlers) ............................................................... 7
Display Functions ................................................................................................................... 8
Operating Instructions
Operating Temperature ......................................................................................................... 9
Manual Operation .................................................................................................................. 9
Airflow Directional Control .................................................................................................... 10
How the A/C & Heat Pump Work .......................................................................................... 11
Special Functions .................................................................................................................... 12
Care and Maintenance
Before Maintenance .............................................................................................................. 13
Cleaning the Unit ................................................................................................................... 13
Cleaning the Air Filter(s) ........................................................................................................ 13
Preparation for Extended Non-Operation .......................................................................... 14
Pre-Season inspection ........................................................................................................... 14
Troubleshooting
Troubleshooting Guide ......................................................................................................... 15
Indoor Unit Error Display ....................................................................................................... 17
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