Gree MULTI21 CAS18HP230V1AC Technical Product Manual - Page 3
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PRODUCT OVERVIEW
SUPERIOR DESIGNS PROVIDE EASY SOLUTIONS TO COMPLEX PROBLEMS
GREE Ductless Multi Zone systems provide quiet comfort and energy efficient heating and cooling in up to
five different rooms – without ductwork. For most residential and light commercial applications, this is the ideal
solution to balance comfort, efficiency and ease of installation. This Inverter-driven system offers Seasonal
Energy Efficiency Ratings (SEER) up to 16. With individual room control and variable speed compressor
operation, comfort is boosted throughout your home or office, while utility bills are held in check.
When laying out a new project, you'll appreciate the flexibility of Gree's Multi Zone Systems. A single outdoor unit
can simultaneously power up to five indoor units while eliminating expensive ductwork. Without those ducts, your
installation is simpler, faster and more cost-effective. And the flexibility doesn't stop there, as you can also mix
and match your choice of Wall Mount, Ceiling Cassette, Concealed Duct, Universal Floor/Ceiling and Mini Floor
Console indoor units to create a unique heating and cooling system to perfectly fit any project.
No pipe sweating
No sweating is needed for the pipe connection
between the indoor and outdoor units. All
piping connections are flared to simplify and
ease the piping installation.
Simple Wiring
No special or hard-to-find communication
wire is needed between the indoor and
outdoor units. The system uses common
14-4 AWG stranded copper THHN 600V
wire. The system's communication is ready
as soon as the electrical wiring between the
indoor and outdoor units is complete.
High Lift Design
Gree's High Lift design allows for extended
piping length, up to 262 feet total, as well as
50 feet of vertical lift from the condensing
units. This allows for greater flexibility in the
layout of the system.
Allows up to 262 feet of pipe length
Energy Saving
Multi Zone systems allow each room to be individually controlled. Only those rooms requiring air
conditioning (or heating) are cooled (or heated), and all of it is accomplished without ductwork.
In addition, Gree's G-10 inverter technology reduces energy waste, maximizes efficiency and
achieves up to 16 SEER.
Gree's exclusive G-10 Inverter technology powers the twin rotary compressor inside the Multi Zone
outdoor compressor section. The G-10 Inverter constantly adjusts the compressor speed to maintain
a comfortable room temperature. This saves energy, reduces outdoor noise and maintains a steady
room temperature by eliminating the harsh starts and stops of conventional systems.
Outdoor Unit
Power
Supply
1st Branching
Section
2
Indoor Unit
Transmission System
From Outdoor Unit to
the Indoor Unit:
82ft