GEA Bock HG7 User Manual
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09706-01.2015-DGbFEIRu
Contents
Page
1 Safety
4
1.1 Identification of safety instructions
1.2 Qualifications required of personnel
1.3 General safety instructions
1.4 Intended use
2
Product description
6
2.1 Short description
2.2 Name plate
2.3 Type key
3
Areas of application
8
3.1 Refrigerants
3.2 Oil charge
3.3 Limits of application
4
Compressor assembly
10
4.1 Storage and transport
4.2 Setting up
4.3 Pipe connections
4.4 Pipes
4.5 Laying suction and pressure lines
4.6 Operating the shut-off valves
4.7 Operating mode of the lockable service connections
5
Electrical connection
13
5.1 Information for contactor and motor contactor selection
5.2 Basic circuit diagram for part winding start with standard motor
5.3 Standard motor, design for direct or partial winding start
5.4 Special motor: design for direct or star-delta start
5.5 Basic circuit diagram for star-delta start with special motor
5.6 Electronic trigger unit MP 10
5.7 Connecting the trigger unit MP 10
5.8 Functional test of the trigger unit MP 10
5.9 Oil sump heater (accessories)
6 Commissioning
23
6.1 Preparations for start-up
6.2 Pressure strength test
6.3 Leak test
6.4 Evacuation
6.5 Refrigerant charge
6.6 Start-up
6.7 Avoiding slugging
6.8 Connection of oil level regulator
7 Maintenance
26
7.1 Preparation
7.2 Work to be carried out
7.3 Spare parts recommendation
7.4 Accessories
7.5 Extract from the lubricants table
7.6 Decommissioning
8
Technical data
28
9
Dimensions and connections
30
10 Declaration of conformity and installation
32
11 Service
33