Owners Manual

Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
System Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
System Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Wireless Remote Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-15
Wired Tether Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-24
Care and Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-26
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-28
Diagnostic Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-32
Energy Saving Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back
Thank you for choosing a
Multi21 Ceiling Cassette
Air Conditioning & Heating System!
You can feel confident in your selection because the same pride in craftsmanship
and engineering knowledge that goes into millions of other Gree installed
products worldwide has gone into your unit.
Please read this owner’s manual carefully before operation and retain it for
future reference.