Carrier 38EC Bedienungsanleitung PDF herunterladen

Number One

Air Conditbninq

Maker

Installation, Start-Up ^ ^ 3

and Service Instructions

Division of

Carrier Corporation

Carrier Parkway • Syracuse

f N Y 13221

Air-Cooled Condensing Units

INDEX

Page

SAFETY CONSIDERATIONS

..................................

INSTALLATION

.......................................................

1-5

Step 1 — Check Equipment and

Jobsite.................................................................1

• UNPACK UNIT

• INSPECT EQUIPMENT

• COMPLETE OR CONSIDER

SYSTEM REQUIREMENTS

Step 2 — Make Piping Connections .... 2

• REPLACE THE ACCURATER™

REFRIGERANT CONTROL

PISTON IN THE INDOOR

COIL IF REQUIRED

• CONNECT REFRIGERANT LINES

Step 3 — Make Electrical

Connections........................................................5

• INSTALL A BRANCH CIRCUIT

DISCONNECT PER NEC

• ROUTE LINE POWER LEADS INTO

UNIT

• CONNECT GROUND LEAD AND

POWER WIRING

• CONNECT CONTROL POWER

WIRING

START-UP

...............................................................

6-8

SERVICE.................................................................. 8-10

MAINTENANCE

......................................................

10-12

SAFETY CONSIDERATIONS

Installation and servicing of air conditioning

equipment can be hazardous due to system pressure

and electrical components. Only trained and quali

fied service personnel should install, repair or

service air conditioning equipment.

Untrained personnel can perform basic mainten

ance functions of cleaning coils and filters and re

placing filters. All other operations should be

performed by trained service personnel. When

working on air conditioning equipment, observe

precautions in the literature, tags and labels attached

to the unit and other safety precautions that may

apply.

Follow all safety codes. Wear safety glasses and

work gloves. Use quenching cloth for brazing opera-

tions. Have fire extinguisher available for all brazing

operations.

WARJ^iKG; Before performitsg $ervice or

maiatesjaBce operatjojjs vam off

nsBiirt po’»er swiich. to indoor »nfi and outdoor

unit. Turn, off accessory heater poTser switch if

applicable- Electrical siioolc could cause per-

sortal irgnry.

Table 1 — Physical Data (Refer to Fig. 1.)

MODEL 38EC

018 024

030 036 042 048* 060*

OPER WT (lb)

116 130 137 165

18|

212 230

DIMENSlbNS (ft-in.)

Diameter A

Height B

1-9-3/4

2-2-3/8 1 2-8

2-5-1/4

2-2-3/8 1 2-8 1 3-2

CONNECTIONS (in.)

Suction (DDF)

Liquid (DDF)

5/8 3/4*

3/8

REFRIG LINES

Suction (in DDF)

Liquid (in DDF)

Recommended Field-Supplied Sizes

5/8 1 3/4 I 7/8 I 1-1/8

3/S

*Fora1-1/8in suction line on 38EC048,060, a 3/4-in x 1-1/8 in suction

valve connection adapter is available as an accessory See Table 3

INSTALLATION

Step 1 — Check Equipment and Jobsite

UNPACK UNIT — Move to final location. Slide

from carton taking special care not to damage serv

ice valves or grilles.

INSPECT EQUIPMENT — File claim with ship

ping company if damaged or incomplete.

COMPLETE OR CONSIDER SYSTEM RE

QUIREMENTS before installation:

Consult local building codes and National Elec

trical Code (NEC) for special installation

requirements.

When installing, allow sufficient space for airflow

clearance, wiring, refrigerant piping and service.

Maintain a minimum of 4 ft clearance from obstruc

tions above and 18 in. on sides of unit. Maintain a

distance of 24 in. between condensing units. Posi

tion so water from roof or eaves does not flow

directly on unit.

Install on a solid, level mounting pad. It is not

necessary to attach unit to pad but if desired or

required by local code, position tiedown bolts in

pad. Fasten unit to pad using 2 holes provided in unit

base. See Fig. 1.

Form 38EC-2SI

1 2 3 4 5 6 ... 11 12

Inhaltsverzeichnis

Seite 1 - Installation, Start-Up ^ ^ 3

Number One Air Conditbninq MakerInstallation, Start-Up ^ ^ 3and Service InstructionsDivision ofCarrier CorporationCarrier Parkway • Syracusef N Y 1322

Seite 2 - WARNING if

Compatible Fitting RepairMECHANICAL CONNECTION — Frontseat unit service valves. Relieve refrigerant pressure from tubing. Back off locknut

Seite 3 - Table 3 — Accessories

5. Using garden hose, spray coil vertically downward with a constant stream of water at moderate pressure (see Fig. 11). Keep nozzle at

Seite 4

TROUBLESHOOTING GUIDESYMPTOM AND PROBABLE CAUSEPROBABLE REMEDYCOMPRESSOR SHUTS OFF. FAN OVERLOADOR HIGH-PRESSURE SWITCH CUT OUT, ORINTERNAL PRESSURE R

Seite 5 - See Tafek 4 ««t »pply i

4-0 OVERHEAD SPACE REQUIRED FOR SERVICE AND AIRFLOWliDIAM HOLE FOR POWER WIRINGLIQUID VALVE SERVICE PORT CONDENSER AIRFLOWr-6 AIRFLOW AND SERVICE

Seite 6 - Table 5 — Service Data

Table 3 — AccessoriesPART NODESCRIPTIONMODEL38ECHH01AD040HH93AZ040Low-Voltage Control Honeywell Deluxe Thermostat Thermostat SubbaseHH07AT170&HH07

Seite 7 - Chart (AccuRater System)

When making tubing connections, be sure to provide clearance at unit for electrical connections. REPLACE THE ACCURATER™ REFRIGERANT

Seite 8 - CAilTIOMi

Step 3 — Make Electrical Connections — Besure field wiring complies with local and national fire, safety and electrical codes, and that

Seite 9

START-UP1. Backseat (open) liquid and suction line service valves. Open liquid line first to equalize pressure and reduce oil flow to s

Seite 10

(AccuRater™ System)4. Measure outdoor (condenser inlet) air dry-bulb temperature with a second thermometer.5. Refer to Charging Chart (Fig.

Seite 11

Correct use of Chargemaster ensures that an optimum refrigerant charge will be in system when conditions and system components are

Seite 12 - PC 101 Catalog No 533-848

6. Using a midget tubing cutter, cut liquid and discharge lines on the coil and suction line at a convenient place for easy reass

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Carrier 38EC Bedienungsanleitung

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