Carrier 52M Performance Series Manual do Utilizador descarregar pdf (Página 10)

WALL THERMOSTAT INTERFACE

The standard wall thermostat interface provides a

simple to install thermostat connection. The unit has

a removable terminal connector to make field wiring

easy. See more info on wall thermostat connections

in the Dimensional Drawings and Installation Data

Section.

Notes:

— Thermostat wire is field supplied and

recommended wire size is 18 to 20 gage

solid thermostat wire.

— Wire should never be routed through the

wall sleeve.

— It is recommended to include extra wires

in case a wire breaks or is cut during

installation.

— The thermostat is ordered separately and

a Gree PTAC approved thermostat is

recomm

end

ed, see the accessory chart in

the back.

EM (ENERGY MANAGEMENT )

INTERFACE

TheEM interfaceisstandardandprovidesasimpleto

install,EnergyManagementconnection.Theunithas

a removable terminal connector to make field wiring

easy. When 24VAC is supplied to the input (the EM

connection),theunitwillturnoff.Oncethe24VACis

removed (becomes 0 volts), the unit will turn back

on.

Note: For more info, seethesectionin theback,

Typical Wiring Schematic For Energy

Management Interface.

R W Y O Gh Gl C

A07073

Termi nal Connector Removal and Replacement

Wall Thermostat

Terminal Connections

Energy Management

Terminal Connections

A07634

Wall Thermostat and Energy Management

Interface

POWER CORD FOR 265V UNITS

The 265v power cord extends 15--in. (381 mm) from

bottom of front panel and, per UL and National

Electric Codes (NEC), must plug into an electrical

subbase.

Note: Accessory power cord and electrical

subbase sold separately. (See Accessory section

in back of this document.)

1918

A07635

265V Power Cord

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

• N

o expensive 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.

• Rapi

d servicing 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 GA series PTAC will fit into:

—

— Friedrich T series and ZoneAire wall

sleeves, with a required wa

ll slee

extension (see accessory Friedrich

Retrofit Wall Sleeve Adapter).

Whether you are designing a new structure or

replacing packaged terminal air conditioning units in

an existing building, Gree GA Series will meet your

needs.

The Gree GA series Packaged Terminal Air

Conditioning (PTAC) 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.

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