Danfoss BOCK UL-HGX12P Operating Manual page 3

Contents
4 Compressor assembly ..................................................................................................... 9
4.1 Storage and transport ........................................................................................................ 9
4.2 Setting up .......................................................................................................................... 9
4.3 Pipe connections .............................................................................................................. 10
4.4 Pipes ................................................................................................................................ 10
4.5 Laying suction and pressure lines .................................................................................... 10
4.6 Operating the shut-off valves ........................................................................................... 11
4.7 Operating Mode of the lockable service connections ....................................................... 11
4.8 Suction pipe filter and filter drier ...................................................................................... 12
5 Electrical connection .................................................................................................... 12
5.1 General safety .................................................................................................................. 12
5.2 Information for contactor and motor contactor selection .................................................. 12
5.3 Connection for the driving motor ...................................................................................... 13
5.4 Circuit diagramm for direct start 230 V ∆ / 400 V Y ....................................................... 14
5.5 Electronic trigger unit INT69 G ......................................................................................... 16
5.6 Connection of the trigger unit INT69 G ............................................................................. 16
5.7 Function test of the trigger unit INT69 G .......................................................................... 17
5.8 Oil sump heater (accessories) .......................................................................................... 17
6 Commissioning .............................................................................................................. 18
6.1 Preparations for start-up .................................................................................................. 18
6.2 Pressure integrity test ...................................................................................................... 18
6.3 Leak test .......................................................................................................................... 18
6.4 Evacuation ....................................................................................................................... 18
6.5 Refrigerant charge ........................................................................................................... 19
6.6 Start-up ........................................................................................................................... 19
6.7 Avoiding slugging ............................................................................................................. 19
7 Maintenance .................................................................................................................. 20
7.1 Preparation ...................................................................................................................... 20
7.2 Work to be carried out ..................................................................................................... 20
7.3 Spare parts recommendation/accessories ....................................................................... 20
7.4 Lubricants / oils ............................................................................................................... 20
7.5 Decommissioning ............................................................................................................ 20
8 Technical data................................................................................................................ 21
9 Dimensions and connections ....................................................................................... 22
10 Declaration of incorporation ......................................................................................... 23
11 UL-Certificate of Compliance........................................................................................ 25
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