Gree GA Series Product Data page 42

APPLICATIONS
E. Air Flow System:
For superior sound and comfort, the airflow
Whether you are designing a new structure or
system shall consist
replacing packaged terminal air conditioning units in
permanently lubricated fan motors. The outdoor
an existing building, Gree GA Series will meet your
fan motor will be single speed, with a dynamically
balanced, corrosion
needs.
multi- -blade axial flow design, with integrated
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Hotels and motels
slinger ring. The indoor fan motor will be three
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Nursing homes and assisted living care
speeds, with a dynamically balanced, aluminum,
centers
tangential blower wheel, to assure uniform air
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Offices
distribution and optimal sound. Both Fan Motors
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Apartments
shall be of an enclosed design to reduce the effects
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of moisture and corrosion.
Single- -family dwellings
F. Compressor & Refrigerant:
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Home conversions and residential add- -ons
The rotary- -type Compressor shall be fully
NEW CONSTRUCTION
hermetic with internal and external vibration
isolation. The refrigeration system will be sealed
The Gree GA series Packaged Terminal Air
and contain a full refrigerant charge (R410A).
Conditioning (PTAC) unit is designed to meet the G. Coils:
needs of the architect, engineer, and contractor. For
Condenser and evaporator coils to be constructed
unit installation, Gree's expert support network will
of high-efficiency copper and aluminum, necessary
assist in all applicable aspects of the construction
to achieve EER and COP rating, as specified on
project, from preparing a budget to start-up.
the chassis name plate.
H. Factory- -Installed Electric Heater:
ADVANTAGES FOR NEW
The factory- -installed, open coil type, electric
CONSTRUCTION
heater is standard in heat/cool and heat pump
Design Flexibility for the Architect/Engineer
chassis. The electric heater shall contain both an
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automatic reset and a one- -shot over temperature Whisper- -quiet performance, indoors and out
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protection device. The heating capacity of the
No bulky duct system
electric heater shall be as identified on the
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No separate equipment room
Contract drawing
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No water towers or additional cooling
specifications.
equipment
I. Controls:
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No complex match- -up of different HVAC
All standard models shall be equipped with
components
electronics, for added features and improved
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Less sensitivity to building orientation (sun,
reliability of the unit.
wind, shade)
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Optional architectural grille to permit custom
The chassis shall have an easy to operate, user
exterior appearance
friendly, electronic display with simple to push,
Initial Cost Savings for the Building Owner
large digital buttons. All will be easily accessible
and covered by a hinged door.
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No expensive component HVAC system
purchase
The mode selection control shall consist of OFF,
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No equipment
FAN ONLY, HEAT or COOL operations. There
engineering staff
will be 3 optional Fan Speed Options, LOW,
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Two- -part delivery to minimize on- -site
MED or HIGH. The temperature selection will be
damage
controlled by color coded, simple to operate
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Weather- -protected wall sleeve that goes in
warmer and cooler buttons. The upper and lower
place during construction; chassis that slides
setpoint temperature
in place after construction
configured.
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No seasonal changeover required for cooling
All models shall have a configuration dipswitch,
or heating - - units are self- -contained comfort
easily accessible for the maintenance person,
systems
optimal comfort settings, CONTINUOUS or
CYCLE fan mode in HEATING, CONTINUOUS
or CYCLE fan mode in COOLING, FREEZE
of two, direct- -drive
resistant, aluminum
schedule and in the
room or maintenance
limits, can
be easily
GUARD enabled
THERMOSTAT
Lower Operating Costs and Reliable Comfort
EMERGENCY HEAT (for heatpumps), and 4
for The Occupant
optional SETPOINT LIMIT selections.
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Heat pump models offer substantial savings
over models with conventional electric
Fan cycle configuration switches, will allow
resistance heaters
continuous fan operation for maximum comfort or
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cycle operation for maximum energy savings. Individual units allow tenants to choose the
Settings can be different for both heating and degree of comfort and operating economy.
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cooling operations, for maximum comfort and
Rapid servicing reduces downtime: complete
efficiency.
chassis can be replaced in minutes without
disrupting other occupants.
All standard models shall have Temperature
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Each unit operates independently of other
Limiting control, with four easy to configure
units in the building. No dependency by
settings. Temperature limiting allows a room
building on central HVAC system.
temperature range to be set, to avoid extreme
RETROFIT/REPLACEMENT
temperature settings, to maximize energy savings.
If you are replacing a unit in an existing wall sleeve,
Emergency Heat Switch (Heat Pump Models
your options include:
Only) shall disable the compressor in heating
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mode and only allow the use of electric heat Replace the existing wall sleeve with the
during heating cycles. The Emergency Heat switch
the polymer wall sleeve. See accessory sleeve
is active at all outdoor ambient temperatures. section for selecting the correct sleeve for
your application.
NOTE: in most cases, when replacing the
All units shall be capable of interfacing to a wall
thermostat; have a blank out label to cover the wall sleeve, the exterior grille must also be
control panel for wall replaced.
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and have a removable wall thermostat terminal
Use an existing sleeve and exterior grille. The
block, to simplify field wiring. No additional
Gree GA series PTAC will fit into:
field- -installed kits shall be required.
The following major competitors' wall
—
sleeves/grilles: Carrier, GE, Amana,
Wall thermostat interface shall provide two fan
Trane, Friedrich and Bryant, and NO
speed selections to maximize comfort.
accessory retrofit kit is required.
— Friedrich T series and ZoneAire wall
Compatible with 2 wire central desk control
sleeves, with a required wall sleeve
systems.
extension (see accessory Friedrich
Retrofit Wall Sleeve Adapter).
Freeze Guard to automatically activate the electric
heater and indoor fan to warm the room, to
prevent damage from freezing temperatures.
Freeze guard will be active as long as there is
power supplied to the unit. Unit shall have the
ability to disable Freeze guard, if needed.
Unit shall have the option to display temperature
in ˚ F or ˚ C.
Unit will have memory; in case power is lost, unit
will return to all previous settings.
Unit will have a random compressor restart after a
power outage, to prevent power surges due to
many units turning on at the same time.
Room temperature sensing shall use a Solid state
thermostat control.
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or disabled, WALL
enabled or disabled,
thermostat applications;