Performance and Specifications

ManualsBrandsGree ManualsAir ConditionersPTAC Air Conditioner Cooling Area, Adjustable Air Direction

TYPICALWIRINGSCHEMAT IC FORENERGY

MANAGEMENT INTERFACE

FRONT DESK SWITCH PANEL

24-V

TRANSFORMER

(SEE NOTE 1)

E-TAC #1

E-TAC #2

E-TAC #N

N MOOR101 MOOR001 MOOR

FIELD-SUPPLIED

LEGEND

NOTES:

1. To size transformer, use the following equation:

Quantity of ETAC units x 0.1VA = transformer Size (VA)

Example: 110 ETAC units x 0.1VA = 11 VA (24V) Transformer

2. Following are recommended wire sizes:

Recommend 20 AWG wire (or larger) for wire runs up to

2,000 feet in length

AW G--- American Wire Gage

B--- Black

PTAC --- Packaged Te rminal Air Conditioner

W--- White

APPLICATION CONSIDERATIONS

Installation instructions are shipped with all PTAC

units. It is important that air conditioning systems be

properly sized and installed for each application in

order to achieve the desired temperature and humidity

levels within the space to be conditioned. It is

strongly recommended that a professional engineer

match the PTAC units with the building structure and

climate.

The following application considerations are all

important in choosing the proper PTAC system for

the building structure.

Undersizing

If a PTAC unit is undersized (cooling capacity is less

than required load for an application), the unit

will not be able to cool the space down to the desired

temp

erature during very hot days. The result could be

warm and humid or warm and dry conditioned space.

Oversizing

If a PTAC unit is oversized (cooling capacity is

greater than required load for the specific application),

the unit will cool the space down to the desired

desired temperature too quickly.

The unit will cycle on and off, however,

dehumidification only takes place when the unit is

operating. The result of this type of application in a

hot and/or humid climate would beacool, yet

excessively humid, space.

Air Infiltration

Excessive air infiltration can intensify problems

associated with undersizing or oversizing a PTAC

unit. This can be the cause of insuf

ficient cooling,

dehumidification, or heating. Sources of air

infiltration include vents, gaps around windows and

doors, and improperly sealed floors, ceilings or wall

joints.

Condensate Removal

Gree’s GA series has a new condensate (water)

disposal system. The outdoor fan prop has a built in

slinger ring which draws condensate water through a

suction port built into the outdoor coil shroud. The

water passes though the suction port and is sprayed

on the warm outdoor coil for evaporation. Thus

providing better disposal of excess condensate and

improving unit operating efficiency.

It is normal and desirable to have some condensate

water in the ebase pan to boost operating efficiency.

NOTE: This unit will not always evaporate 100%

of the unit generated condensate and blown in

rain water. If it is necessary to control 100% of

the condensate, the Drain Kit (Part No.: DRAIN-

KIT-4PK) and a building condensate drain

system is recommended.

APPLICATIONS

• Hotels and motels

• Nursing homes and assisted living care

centers

• Offices

• Apartments

• Single--family dwellings

• Home conversions and residential add--ons

NEW CONSTRUCTION

ADVANTAGES FOR NEW

CONSTRUCTION

Design Flexibility for the Architect/Engineer

• Whisper--quiet performance, indoors and out

• No bulky duct system

• No separate equipment room

• No water towers or additional cooling

equipment

• No complex match--up of different HVAC

components

• Less sensitivity to building orientation (sun,

wind, shade)

• Optional architectural grille to permit custom

exterior appearance

I nitial Cost Savings for the Buildin

g Owner

• No expe

nsive component HVAC system

purchase

• No equipment room or maintenance

engineering staff

• Two--part delivery to minimize on--site

damage

• Weather--protected wall sleeve that goes in

place during construction; chassis that slides

in place after construction

• No seasonal changeover required for cooling

or heating -- units are self--contained comfort

systems

Lower Operating Costs and Reliable Comfort

for The Occupant

• Heat pump models offer substantial savings

over models with conventional electric

resistance heaters

• Individual units allow tenants to choose the

degree of comfort and operating economy.

• Rapid servic

ing reduces downtime: complete

chassis can be replaced in minutes without

disrupting other occupants.

• Each unit operates independently of other

units in the building. No dependency by

building on central HVAC system.

RETROFIT/REPLACEMENT

If you are replacing a unit in an existing wall sleeve,

your options include:

• Replace the existing wall sleeve with the

the polymer wall sleeve. See accessory sleeve

section for selecting the correct sleeve for

your application.

NOTE: in most cases, when replacing the

wall sleeve, the exterior grille must also be

replaced.

• Use an existing sleeve and exterior grille. The

Gree E-TAC will fit into:

—

— Friedrich T series and ZoneAire wall

sleeves, with a required wall sleeve

extension (see accessor

y Friedrich

Retrofit Wall Sleeve Adapter).

E-TAC

Whether you are designing a new structure or

replacing packaged terminal air conditioning units in

an existing building, Gree E-TAC will meet your

needs.

The Gree E-TAC Packaged Terminal Air Conditioning

(E-TAC) unit is designed to meet the needs of the

architect, engineer, and contractor. For unit

installation, Gree’s expert support network will assist

in all applicable aspects of the construction project,

from preparing a budget to start-up.

The following major competitors’ wall

sleeves/grilles: Carrier, GE, Amana,

Trane, Friedrich and Bryant, and NO

accessory retrofit kit is required.