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© Danfoss | Climate Solutions | 2023.06
AQ452044031215en-000201 | 3
Contents
Page
5
Areas of application on HC and LG compressors
12
5.1
Refrigerants
5.2 Oil charge
5.3 Limits of application
6
Compressor assembly
13
6.1 Storage and transport
6.2 Setting up
6.3 Pipe connections
6.4 Pipes
6.5 Laying suction ans pressure lines
6.6 Operating the shut-off valves
6.7 Operating mode of the lockable service connections
6.8 Suction pipe filter and filter drier
7 Electrical connection
17
7.1 Information for contactor and motor contactor selection
7.2 Standard motor, design for direct or partial winding start
7.3 Basic circuit diagram for partial winding start with standard motor
7.4 Special motor: design for direct or star-delta start
7.5 Basic circuit diagram for
star-delta
start with special motor
7.6
Electronic trigger unit
INT69 G
7.7
Connecting of the trigger unit
INT69 G
7.8
Functional test of the trigger unit
INT69 G
7.9
Electronic trigger unit INT69 G on HC and LG compressors
7.10 Oil sump heater (accessories)
7.11 Oil sump heater on HC and LG compressors
7.12 Capacity regulator (accessories)
7.13
Selection and operation of compressors with frequency converters
8 Commissioning
28
8.1 Preparations for start-up
8.2 P
ressure integrity test
8.3 Leak test
8.4 Evacuation
8.5 Refrigerant charge
8.6 Start-up
8.7 Avoid slugging
8.8 Connection of oil level regulator
9 Maintenance
31
9.1 Preparation
9.2 Work to be carried out
9.3 Spare parts recommendation / Accessories
9.4 Lubricants / oil
9.5 Decommissioning
9.6 Additional information when using flammable refrigerants
10 Accessories
33
10.1 Capacity regulator
11 Technical data
35
12 Dimensions and connections
37
13 Declaration of incorporation
39