GEA Bock HGX44e/475-4 - User Manual

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

GEA Bock HGX44e/475-4 Specifications

General

Compressor Type	Semi-hermetic
Voltage	400V
Frequency	50Hz
Number of Cylinders	4
Sound Power Level	78 dB(A)
Degree of protection	IP54
Refrigerant	R134a, R404A, R407C, R22
Max. operating pressure (LP/HP)	19 / 32 bar

Summary

Compressor assembly

Setting up

Pipe connections

Details on how to connect refrigerant pipes to the compressor.

Safety

General safety instructions

General safety precautions for handling pressurized machinery.

Intended use

Defines the proper and prohibited uses of the compressor.

Safety instructions for use of flammable refrigerants

Safety instructions

Safety measures when using flammable refrigerants.

Qualifications required of personnel

Personnel qualifications for handling flammable refrigerants.

Product description

Type key (example)

Type key HC compressor (example)

Typ key LG compressor (example)

Electrical connection

Information for contactor and motor contactor selection

Guidance on selecting contactors and motor protection devices.

Standard motor, design for direct or part winding start

Basic circuit diagram for part winding start with standard motor

Wiring diagram for part winding start with standard motors.

Motor protection switch

Wiring for direct start (YY) and part winding start Y;YY

Diagrams showing motor wiring for direct and part winding starts.

Special motor: design for direct or star-delta start

Information on special motors for direct or star-delta starting.

Basic circuit diagram for star-delta start with special motor

Wiring diagram for star-delta start with special motors.

Electronic trigger unit INT69 G

Explanation of the INT69 G electronic trigger unit's function.

Connection of the trigger unit INT69 G

Instructions for connecting the INT69 G trigger unit.

Function test of the trigger unit INT69 G

Procedure for testing the INT69 G trigger unit's functionality.

Electronic trigger unit INT69 G at HC and LG compressors

Specific connection diagram for INT69 G on HC/LG compressors.

Capacity regulator (Accessories)

Commissioning

Preparations for start-up

Steps to take before initial compressor startup.

Leak test

Evacuation

Steps for evacuating the system to remove air and moisture.

Refrigerant charge

Procedures for charging the system with refrigerant.

Start-up

Steps for safely starting the compressor after installation.

Avoiding slugging

Measures to prevent compressor damage from liquid slugging.

Connection of oil level regulator

Maintenance

Preparation

Work to be carried out

Recommended maintenance tasks and intervals.

Decommissioning

Additional information when using flammable refrigerants

Specific safety notes for maintenance with flammable refrigerants.

Technical data

Electrical data

Connections

Dimensions and connections

HG44 e Dimensions and connections

HG56 e Dimensions and connections

Service