US
© Danfoss | Climate Solutions | 2023.07
AQ450440479309en-US0201 | 3
Contents
Page
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
