Carrier 52S series Manual de usuario descargar pdf (Pagina 43)

GUIDE SPECIFICATIONS

PACKAGED TERMINAL COOLING UNIT

WITH HEAT PUMP OR ELECTRIC HEATING

HVAC Guide Speciﬁcations

Size Range: Cooling: 7,100 to 13,700 Btuh

Heating: 6,100 to 11,000 Btuh Heat Pump

6,400 to 17,000 Btuh Electric

Carrier Model Numbers: 52SC Cooling Only

Unit

52SE Unit with

Electric Heat

52SQ Heat Pump

Part 1 — General

1.01 SYSTEM DESCRIPTION

Single piece, thru-the-wall electrically controlled unit

using hermetic rotary compressor for cooling and

heat pump or electric resistance heat, as shown on

the contract drawings.

1.02 QUALITY ASSURANCE

Unit shall be rated in accordance with ARI Stand-

ard 310/380-93 and certiﬁed by UL and UL, Canada.

1.03 DELIVERY, STORAGE, AND HANDLING

Unit shall be stored and handled per manufactur-

er’s recommendations.

Part 2 — Products

2.01 EQUIPMENT

A. General:

Factory-assembled, single-piece heating and/or cool-

ing unit. Contained within the unit enclosure shall

be compressor, coils, fans and fan motor, heating

means, controls, all wiring and piping, and a full

refrigerant charge (R-22).

B. Front Panel (supplied with unit) and Wall Sleeve:

Wall sleeve and front panel shall be of plastic ma-

terial. Front panel to have louvers in front surface.

C. Fans and Motor:

1. Evaporator (indoor) fan shall be a single-inlet

squirrel cage blower with a corrosion-resistant

ﬁnish, discharging air upwards. Fan shall be dy-

namically balanced.

2. Condenser (outdoor) fan shall be a propeller type

with corrosion-resistant ﬁnish, discharging air out

the rear of the unit, and shall be dynamically

balanced.

3. Motor shall be totally enclosed, permanently lu-

bricated, and multiple speed.

D. Compressor:

The compressor shall be fully hermetic with inter-

nal and external vibration isolation.

E. Coils:

The coils shall have aluminum plate ﬁns mechani-

cally bonded to seamless copper tubes internally

enhanced (grooved) with all joints brazed.

F. Refrigerant Components:

All piping, compressor, and expansion devices shall

be included.

G. Controls and Safeties:

1. Controls shall consist of pushbutton OFF/FAN/

HEAT/COOL adjustable thermostat with upper

and lower limits, VENT OPEN/CLOSE, and FAN

CYCLE switches. Additional controls for heat

pumps include outdoor coil defrost thermostat.

2. Safeties shall consist of automatic reset over-

temperature and overcurrent protection for com-

pressor, inherent, automatic reset over-temperature

protection for fan motor; two over-temperature

protectors for heater.

H. Operating Characteristics:

Unit shall be capable of starting and running at 115 F

ambient outdoor temperature per maximum load

criteria of ARI Standard 310. Compressor with stand-

ard controls shall be capable of operation down to

25 F ambient outdoor temperature for heat pump

and 55 F ambient outdoor temperature for cooling.

I. Electrical Requirements:

230/208-Volt: Shall be prewired with one plug to

use with appropriate wall receptacle as speciﬁed

on unit nameplate.

265-Volt: Shall be hard-wired or cord-connected

through subbase.

J. Filter:

1. One-piece washable type that ﬁlters supply air.

2. One-piece washable type ﬁlter in vent door ﬁl-

ters outdoor air.

K. Special Features:

Certain standard features are not applicable when

the features designated are speciﬁed. Contact

your local Carrier Sales Office for amending

speciﬁcations.

1. Factory-installed electric heater for use with

heat pump or heat/cool units

2. RC — Remote control permits unit control from

remote thermostat

3. CP — Corrosion protection provides for extra

paint on control box, partition top cover and

exterior coil

4. Standard grille (aluminum)

5. Architectural grille (plastic or aluminum)

6. Hard-wire kit

7. Drain kit

8. Subbase

9. Wall sleeve

10. Lateral duct kit

11. Energy management accessory kit

12. Cord-connection kit (265 V)

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