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HEATING & COOLING

38AK007

Air-Cooled Condensing Unit

Installation, Start-Up and Service

Instructions

SAFETY COIMSIDERATIONS

Installing and servicing air-conditioning equipment can

be hazardous due to system pressure and electrical compo

nents. Only trained and qualified service personnel should

install or service air-conditioning equipment.

When working on air-conditioning equipment, observe

precautions in literature and on tags and labels attached to

unit.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for brazing operations. Have

fire extinguisher available. Read these instructions thor

oughly. Consult local building codes and National Electri

cal Code (NEC) for special installation requirements.

A WARNING

Before installing or servicing system, always turn off

main power to system. There may be more than one

disconnect switch. Electrical shock can cause personal

injury.

INSTALLATION

Step 1 — Complete Pre-Installation Checks

UNCRATE UNIT — Remove unit packaging except for

the top skid assembly and wood bumpers, which should be

left in place until after unit is rigged into place.

INSPECT SHIPMENT — File claim with shipping com

pany if shipment is damaged or incomplete.

CONSIDER SYSTEM REQUIREMENTS

• Consult local building codes and NEC for special instal

lation requirements.

• Allow sufficient space for airflow clearance, wiring,

refrigerant piping, and servicing unit. See Eig. 1 and

Table 1.

• Locate unit so that condenser airflow is unrestricted on

all sides and above. Refer to Fig. 1.

• Unit may be mounted on a level pad directly on base

rails or mounted on raised pads at support points. See

Table 2 for weight distribution based on recommended

support points.

NOTE: If vibration isolators are required for a particular in

stallation, use data in Table 2 to make proper selection.

Table 1 — Physical Data

UNIT 38AK

007

OPER WEIGHT (lb)

340

REFRIGERANT*

COMPRESSOR

on (oz) 65

CONDENSER AIR FAN

Number...Rpm 60 Hz

50 Hz

Diameter (in.)

Motor Hp (NEMA)

Nominal Cfm Total

Propeller; Direct Drive

1.. .850

1.. 708

3800

CONDENSER COIL

Face Area (sq ft)

Storage Capacity (lb)t

12 24

11.264

CONNECTIONS (sweat)

Suction (in.)

Liquid (In.)

1V8

CONTROLS

Pressurestat Settings

High Cutout

Cut-in

Low Cutout

Cut-in

426 ± 7 psig

320 ± 20 psig

7 ± 3 psig

22 ± 5 psig

FUSIBLE PLUG 200 F

‘Unit is factory supplied with holding charge only.

fStorage capacity of condenser coil with coil 80% full of liquid R-22

at 124 F

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book|1 |4 PC 111 Catalog No 633-809 Printed in U.S A Form 38AK-2SI Pg 1 6-92 Replaces: New

Tab 3a 2a

1 2 3 4

Résumé du contenu

Page 1

HEATING & COOLING38AK007Air-Cooled Condensing UnitInstallation, Start-Up and ServiceInstructionsSAFETY COIMSIDERATIONSInstalling and servicing

Page 2

Table 2 — Weight DistributionREFRIGERANT PIPING SIZESUNITSTD. UNIT WEIGHTCORNER WEIGHT (A)CORNER WEIGHT (B)lbs.kg.lbs.kg. lbs.kg.38AK0073401548639 532

Page 3

NOTES:1. Dimensions in are in miiiimeters. Center of gravity.Direction of air fiow.34 Minimum ciearance (locai codes or jurisdiction may prevaii):a B

Page 4

FIELD POWER SUPPLY - All units except 208/230-v units are factory wired for the voltage shown on the nameplate. If the 208/230-v unit is

Page 5

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Carrier 38AK007 Manuel d'utilisateur

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