Carrier 19CB Bedienungsanleitung PDF herunterladen

Carrier

Airconditioning

Company

Hermetic Centrifugal Liquid Chillers

CONTENTS

INTRODUCTION

General

Job Data Required

Equipment Required

INITIAL PREPARATION

Machine Tightness

Check for Large Leaks

Check for Small Leaks

Check Leakage Rate

Machine Dehydration

Pumpout Procedures

Oil Charge

Oil Heater

Refrigerant Charge

Inspect Piping

Field Wiring

Check Starter

Check Operation of Safety Controls

Purge

Air Supply (Pneumatic Controls Only)

START-UP

Before Starting Machine

Compressor Rotation

Compressor Operation

Checking Safety Control Settings

Setting Operating Controls — Electronic

Motor Current Calibration

Chilled Water Calibration

Setting Operating Controls — Pneumatic

FINAL MACHINE ADJUSTMENT

Trimming Refrigerant Charge

INSTRUCTING THE CUSTOMER

OPERATOR

Page

INTRODUCTION

General — All persons involved in start-up and

operation of the 19CB machine should be famihar

with these instructions and all necessary job data

before initial start-up. Instructions are arranged in

proper sequence for machine start-up.

Job Data Required

1. List of applicable design temperatures and

pressures

2. Machine assembly, wiring and piping prints

3 19CB Installation Instructions

4. 19CB Operating and Maintenance Instructions

Equipment Required

1. Mechanic’s tools

2 Volt-ohmmeter and clamp-on ammeter

3. Manometer, absolute pressure type

4. Leak detector, halide or electronic

5. Refrigerant drum charging valve (Fig. 5)

6. 5/8-in. SAE X 3/4-in. MPT adapter

7. Five to ten ft of copper tubing or plastic hose

to fit 5/8-in. SAE connections

8. Portable vacuum pump

INITIAL PREPARATION

CAUTION: Do noi start compr&ssox or oil

pump, even for a rotation check, unless conv

pxessor is charged with <ni and machine charged

with refrigerant.

Do not apply voltage of my kina wihle

machine is under dehydration vacuum.

Form 19CB-2SS

1 2 3 4 5 6 ... 11 12

Inhaltsverzeichnis

Seite 1 - Airconditioning

CarrierAirconditioningCompanyGVHermetic Centrifugal Liquid ChillersCONTENTSINTRODUCTIONGeneralJob Data Required Equipment RequiredINITIAL PREPARATIONM

Seite 2

• ^^>4-iXwCr.- ••VJ 'ava>; «O*«®a.b.9. IfFig. 7 — Capacity Control Module (Electronic Control)Check the foregoing motor current calib

Seite 3

ELECTRO-PNEUMATIC RELAYLOCKNUTS SENSITIVITY SCREW^SET POINT SCREWCOVERCONTROL AIR (OUTPUT)This control is factory calibrated to provide a line

Seite 4 - FIELD PIPING

FINAL MACHINE ADJUSTMENTTrimming Refrigerant Charge — After the macliine has been placed in operation, it may be necessary to adjust t

Seite 5 - ^ Combn*

ì23456 7 S 3ÎOn— Cooler— Cooler Ret:igerant Level Sight Glass— Low Refrigerant Temoerature Sulb— Thermometer Well— Machir.e Control Ceitter(See Rig.:

Seite 6

1 Serial Numlser idenritica- Tior> Piste2 Oil C^iarairvg Valve3 Gii Heater Tl>erfr;ost3t4 Oil Heater ; ern-.inal Sox5 Oil Reservoir Siijf.t Gla

Seite 7 - START-UP

SEPARABLE UNIONPIPING BY CARRIER FIELD PIPING1. Connect dehydration pump to cooler charging valve.2. Ensure that all valves on purge ass

Seite 8 - 15 psig

r.Refrigerant Charge1. Install a charging valve in the 3/4-in. drum opening as shown in Fig. 5.3.4.Fig. 5 — Drum Charging ValveConnect a shor

Seite 9 - 1 5 psid

Check Starter — Before starting the 19CB machine,open the main disconnect and check starter.1. Remove contactor arc chutes. Be sure contactors

Seite 10 - (Electronic Control)

With OIL PUMP button depressed, alternately stop and restart chilled water and condenser water pumps. SAFETY CIRCUIT and LOAD RECYCLE li

Seite 11

knob on demand limit control at 100% and turn calibration screw fully clockwise.Place a clamp-on ammeter on one of the 3 starter lead

Seite 12

SAFETY OR CONTROL DEVICETable 4 — Setting Safety Controls (contd)SAFETY OR CONTROL DEVICE5. Low Oil Pressure Cutout (Fig, 2)RESERVOIR PRESSURE-:^,RAN

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Carrier 19CB Bedienungsanleitung

Stöbern Sie online oder laden Sie Bedienungsanleitung nach Kühlschränke Carrier 19CB herunter. Carrier 19CB User Manual Benutzerhandbuch

Inhaltsverzeichnis

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