BOCK UL-HGX44e, Assembly Instructions Manual

 D
 US
 F
 E

3

96547-10.2021-Us

Contents

Page

4 

Compressor assembly ................................................................................................... 10

4.1 

Storage and transport

 ...................................................................................................... 10

4.2 

Setting up

 ........................................................................................................................ 10

4.3 

Pipe connections

 .............................................................................................................. 11

4.4 

Pipes

 ................................................................................................................................ 11

4.5 

Laying suction and pressure lines

 .................................................................................... 11

4.6 

Operating the shut-off valves

 ........................................................................................... 12

4.7 

Operating mode of the lockable service connections

 ....................................................... 13

4.8 

Suction pipe filter and filter drier

 ...................................................................................... 13

5 

Electrical connection .................................................................................................... 14

5.1 

General safety

 .................................................................................................................. 14

5.2 

Information for contactor and motor contactor selection

 .................................................. 14

5.3 

Standard motor design for direct or part winding start

..................................................... 14

5.4 

Basic circuit diagramm for part winding start with standard

 motor .................................. 16

5.5 

Special motor: design for direct or star-delta start

 ........................................................... 18

5.6 

Basic circuit diagramm for star-delta start with special motor

 ......................................... 20

5.7 

Electronic trigger unit INT69 G

 .........................................................................................22

5.8 

Connection of the trigger unit INT69 G

 .............................................................................22

5.9 

Function test of the trigger unit INT69 G

 .......................................................................... 23

5.10 

Oil sump heater (accessories)

 .......................................................................................... 23

6 Commissioning ..............................................................................................................24

6.1 

Preparations for start-up

 .................................................................................................. 24

6.2 

Pressure integrity test ...................................................................................................... 24

6.3 

Leak test .......................................................................................................................... 24

6.4 Evacuation ....................................................................................................................... 24

6.5 

Refrigerant charge

 ........................................................................................................... 25

6.6 

Start-up

 ........................................................................................................................... 25

6.7 

Avoiding slugging

 ............................................................................................................. 25

7 Maintenance ..................................................................................................................26

7.1 

Preparation

 ......................................................................................................................26

7.2 

Work to be carried out .....................................................................................................26

7.3 

Spare parts recommendation/accessories

 .......................................................................26

7.4 

Lubricants / oils

 ...............................................................................................................26

7.5 Decommissioning ............................................................................................................26

8 

Technical data................................................................................................................28

9 

Dimensions and connections .......................................................................................30

10 

Declaration of incorporation .........................................................................................32

11 

UL-Certificate of Compliance

........................................................................................33

12 Service ...........................................................................................................................34