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GEA Bock HG44e Series User Manual

GEA Bock HG44e Series
42 pages
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GEA Bock HG44e/HG56e (HC/LG)
Assembly instructions
96416-08.2020-Gb
Translation of the original instructions
HG(X)44e/475-4 (S) HG(X)56e/850-4 (S)
HG(X)44e/565-4 (S) HG(X)56e/995-4 (S)
HG(X)44e/665-4 (S) HG(X)56e/1155-4 (S)
HG(X)44e/770-4 (S)
HG44e/475-4 (S) HC ..................... HG44e/770-4 (S) HC
HG56e/850-4 (S) HC ..................... HG56e/1155-4 (S) HC
HGX44e/475 (S/ML) 9 LG .............. HGX44e/770 (S/ML) 22 LG
HGX56e/850 (S/ML) 18 LG ............ HGX56e/1155 (S/ML) 35 LG

Table of Contents

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GEA Bock HG44e Series Specifications

General IconGeneral
TypeSemi-Hermetic
Frequency50/60 Hz
RefrigerantR22, R134a, R404A, R407C, R507
Compressor Type4-Cylinder Reciprocating Compressor
Motor Voltage220-240/380-415 V
StagesSingle-Stage
Sound Power Level72 dB(A)

Summary

Safety

General safety instructions

Provides general safety guidelines for handling and operating refrigerating compressors.

Safety instructions for use of flammable refrigerants

Safety instructions

Details explosion and fire risks, classifications, and safety measures for flammable refrigerants.

Qualifications required of personnel

Specifies qualifications for personnel handling flammable refrigerants.

Areas of application

Limits of application

Details the operational limits, ambient temperatures, and specific conditions for compressor use.

Areas of application at HC and LG compressors

Operating limits

Outlines operating limits for HC and LG compressors, including superheating and oil temperature.

Compressor assembly

Electrical connection

Information for contactor and motor contactor selection

Guides on selecting appropriate contactors and protection devices for motor connections.

Basic circuit diagram for part winding start with standard motor

Presents a schematic diagram for part winding start with standard motors.

Basic circuit diagram for star-delta start with special motor

Shows the circuit diagram for star-delta starting with special motors.

Electronic trigger unit INT69 G

Describes the function and protection capabilities of the INT69 G electronic trigger unit.

Connection of the trigger unit INT69 G

Provides instructions for connecting the INT69 G trigger unit to the compressor.

Electronic trigger unit INT69 G at HC and LG compressors

Details the specific installation requirements for INT69 G on HC and LG compressors.

Commissioning

Preparations for start-up

Outlines essential preparations before starting the compressor, including safety devices.

Leak test

Details the procedure for leak testing, emphasizing the use of nitrogen and safety precautions.

Evacuation

Describes the process of evacuating the system to remove air and moisture before operation.

Refrigerant charge

Provides instructions for charging the system with refrigerant, including safety and filling methods.

Start-up

Covers the steps for safely starting the compressor and checking initial operation.

Avoiding slugging

Explains the causes and prevention methods for slugging to protect the compressor.

Maintenance

Additional information when using flammable refrigerants

Offers specific safety notes for maintenance when using flammable refrigerants.

Technical data

Dimensions and connections

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