GEA Bock HGX56e/850-4 - 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 HGX56e/850-4 Specifications

General

Brand	GEA
Model	Bock HGX56e/850-4
Category	Air Compressor
Language	English

Summary

Safety

Safety instructions for use of flammable refrigerants

Safety instructions

Details risks of explosion and fire with hydrocarbons and HFO refrigerants.

Qualifications required of personnel

Specifies qualifications for handling flammable refrigerants.

Areas of application

Limits of application

Outlines operating temperature, pressure, and frequency limits.

Areas of application at HC and LG compressors

Refrigerants

Oil charge

Operating limits

Details operating limits for HC and LG compressors.

Compressor assembly

Setting up

Pipe connections

Details how to connect pipes to the compressor.

Laying suction and pressure lines

Operating the shut-off valves

Instructions on how to open and close the compressor's shut-off valves.

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

Provides a circuit diagram for part winding start with standard motors.

Special motor: design for direct or star-delta start

Basic circuit diagram for star-delta start with special motor

Provides a circuit diagram for star-delta start with special motors.

Electronic trigger unit INT69 G

Describes the function of the INT69 G electronic trigger unit.

Connection of the trigger unit INT69 G

Details how to connect the INT69 G trigger unit.

Function test of the trigger unit INT69 G

Electronic trigger unit INT69 G at HC and LG compressors

Wiring diagram for INT69 G in a separate control cabinet for HC/LG compressors.

Commissioning

Preparations for start-up

Essential preparations before starting the compressor.

Leak test

Evacuation

Refrigerant charge

Start-up

Steps for safely starting the compressor.

Avoiding slugging

Maintenance

Preparation

Work to be carried out

Extract from the lubricants table

Additional information when using flammable refrigerants