Carrier 30HK Manuel d'utilisateur télécharger pdf

Number One

Airconditioning

Maker

Carrier Parkwav • Syracuse NY 13221

Reciprocating Liquid Chillers (60 Hz)

All 208/230-volt units have extended-voltage

compressor motors.

All units have suction-cutoff unloading

system.

CONTENTS

Page

SAFETY CONSIDERATIONS

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

INSTALLATION..................................................................1-6

Step 1 — Inspect Shipment.................................................... 1

Step 2 — Rig and Place Unit

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

• RIGGING

• PLACEMENT

Step 3 — Check Compressor Mounting

and Connections.................................................................. 3

• SERVICE ACCESS

Step 4 — Make Piping Connections

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

• CONDENSER DESCRIPTION

• CONDENSER PIPING

• COOLER DESCRIPTION

• COOLER PIPING

Step 5 — Make Electrical Connections ..................................4

• ELECTRICAL BOX, CONTROL SECTION

• UNBALANCED 3-PHASE SUPPLY

VOLTAGE

• ELECTRICAL BOX, POWER SECTION

START-UP AND SERVICE.................................................. 6

Initial Check............................................................................ 6

Check Refrigerant Charge..................................................... 6

• LIQUID CHARGING METHOD

Check Oil Charge

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

• TO ADD OIL

• TO REMOVE OIL

START-UP............................................................................ 7-10

Check Refrigerant Feed Components................................... 7

• THERMOSTATIC EXPANSION VALVE

• FILTER DRIER

• MOISTURE-LIQUID INDICATOR

• LIQUID-LINE SERVICE VALVE

• LIQUID-LINE SOLENOID VALVE

• PRESSURE RELIEF DEVICES

• CHECK VALVE

Check Compressor Protection Devices

• CIRCUIT BREAKER

• MOTOR OVERTEMPERATURE

THERMOSTAT

• CRANKCASE HEATER

• TIME GUARD® CONTROL

• FOUR-FUNCTION TIMER

• OIL PRESSURE SAFETY

SWITCH (OPS)

Check Unit Safety Devices

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

• SAFETY THERMOSTAT

• HIGH-PRESSURE SWITCH

• LOW-PRESSURE SWITCH

Check Capacity Control System............... 10

DESCRIPTION

3-STEP TEMPERATURE

CONTROLLER

DESIGN SET POINT ADJUSTMENT

CYLINDER UNLOADING SYSTEM

Page

UNIT OPERATION...........................................................10-11

Control Power

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

Control Sequence.................................................................. 11

Unit Stoppage and Restart

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

SERVICING COOLER

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

11-13

Tube Plugging ....................................................................... 12

Retubing ................................................................................ 12

Tightening Cooler Head Bolts

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

• GASKET PREPARATION

• BOLT TORQUES

• BOLT TIGHTENING SEQUENCE

TROUBLESHOOTING GUIDE

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

14,15

SAFETY CONSIDERATIONS

Installation, start-up and servicing of this

equipment can be hazardous due to system pres

sures, electrical components and equipment

location (roofs, elevated structures, etc.).

Only trained, qualified installers and service

mechanics should install, start-up and service

this equipment.

When working on the equipment, observe pre

cautions in the literature, tags, stickers and labels

attached to the equipment and any other safety

precautions that apply.

• Follow all safety codes.

• Wear safety glasses and work gloves.

• Use care in handling, rigging and setting bulky

equipment.

INSTALLATION

Step 1 — Inspect Shipment

Inspect unit for damage or missing parts. If dam

age is detected, or if shipment is incomplete, file a

claim immediately with the shipping company.

Step 2 — Rig and Place Unit

RIGGING

On each end of cooler, a steel loop is provided for

the preferred method of lifting unit. Use spreader

bars to keep cables away from compressor enclo*-

sure and control box. If unit is to be moved by fork

truck, use the following methods:

1. From front or rear, lift under the cooler rails.

Unit can be either on or off skid.

2. When moving from ends, leave unit on skid. Lift

from under skid.

Form 30HK.HL-10SI

1 2 3 4 5 6 ... 15 16

Résumé du contenu

Page 1 - Step 2 — Rig and Place Unit

Number OneAirconditioningMakerCarrier Parkwav • Syracuse NY 13221Reciprocating Liquid Chillers (60 Hz)All 208/230-volt units have extended-voltage com

Page 2 - Fig. 2 — Compressor Mounting

Check Unit Safety DevicesSAFETY THERMOSTAT (Fig. 6)The low water temperature cutout (LWTC) protects the unit against freeze-up due to operating

Page 3 - Connections

The return water temperature at which the last step of capacity unloads is indicated by the leaving water temperature design set point

Page 4

6. ANY SAFETY DEVICE TRIPS.If device is low-pressure switch, reset is automatic and unit restart is thru normal timer cycle. In the case of low, o

Page 5 - Example: 30HK020530

Tube information:in.(mm)Tube sheet hole diameter... 0.631(16.03)Tube OD... 0.625(15.87)Tube ID after rolling...

Page 6 - Check Refrigerant Charge

TROUBLESHOOTING GUIDESYMPTOMS 1PROBABLE CAUSEREMEDYCompressor does not run !Power line openReset circuit breaker.!Control circuit breaker trippedCheck

Page 7 - START-UP

TROUBLESHOOTING GUIDE (cont)SYMPTOM 1 PROBABLE CAUSEREMEDYSystem noises | Piping vibrationSupport piping as required.Check for loose pipe connectors.E

Page 8

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

Page 9 - — Terminal Board

Table 1 — Weight Distribution (ib)UM!T 30( )--APPROXOPERWTHKHLHK HL A I B CD A BCD01516371016142j 201 755539266 26624224202017871136182| 240790 575 29

Page 10

UNIT AND COMPRESSORTable 2 — Physical DataUNIT 30HK.HL015020 025 030APPROXIMATEHK163717871980 1985OPERATING WT (lb)HL10161136 13101334REFRIGERANT(R-22

Page 11

3. A specific head pressure must be maintained.Set water regulating valve to maintain design head pressure. Do not adjust to compensate

Page 12 - Jc.M r:;>eJ i:ihler Inhe

Refer to Tables 4 and 5 for electrical data on individual compressors and complete units. Compressor usage is given in Tables 2 and 5.

Page 13 - Fig. 10 — Elliott Tube Plug

Table 5 — Electrical Data; 3-Phase, 60-HertzCOMPLETE UNITVOLTSNameplate 208/230*460575COMPRESSOR 06E USAGESSupply Ränget 187-253414-508518 632UNIT 30M

Page 14 - TROUBLESHOOTING GUIDE

The ЗОН К units are shipped with a full refrigerant charge (see Table 2). However, if it is necessary to add refrigerant, operate the unit fo

Page 15 - TROUBLESHOOTING GUIDE (cont)

6. Check leaving chilled water temperature to see that it remains well above freezing.7. Recheck compressor oil level. See Check Oil Charge.Check Re

Page 16

The electric heater is wired into the 115-volt control circuit thru normally closed contacts of control relay in such a way that it is en

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Carrier 30HK Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Réfrigérateurs Carrier 30HK. Carrier 30HK User Manual Manuel d'utilisatio

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