VARISTAR LHX 20
Cooling module 60714-050
www.schroff.biz I R2.1, May 10, 2012
Table of Contents
1 Safety Information ............................................................................................ 1
1.1 Intended Use ....................................................................................................... 1
1.2 Manufacturer's Safety Information ....................................................................... 1
1.2.1 Liability Disclaimer ................................................................................. 1
1.2.2 Safety symbols used in this manual....................................................... 1
1.3 Safety Information for the Operator ..................................................................... 2
1.4 Additional literature .............................................................................................. 2
2 Device description............................................................................................ 3
2.1 Overview of Cooling Module................................................................................ 4
2.2 How the cooling system works ............................................................................ 5
2.3 Air loop................................................................................................................. 6
2.4 Water loop ........................................................................................................... 6
2.5 Regulation............................................................................................................ 7
2.6 Alarms.................................................................................................................. 7
3 Operating the cooling module......................................................................... 8
3.1 Control and display unit ....................................................................................... 8
3.2 Setting the air exit temperature............................................................................ 9
4 Storage and transport .................................................................................... 10
4.1 Removing the packaging materials.................................................................... 10
5 Commissioning............................................................................................... 11
5.1 Setting up the VARISTAR cabinet ..................................................................... 11
5.2 Initial Commissioning......................................................................................... 11
5.3 Connect to the cooling water source ................................................................. 12
5.3.1 Requirements for water quality ............................................................ 13
5.3.2 Water connections at the cooling module............................................ 14
5.4 Connecting to the electricity supply ................................................................... 15
5.5 Bleeding air from the cooling system................................................................. 16
5.5.1 Steps for bleeding................................................................................ 17
5.5.2 Test operation...................................................................................... 18
6 Interfaces......................................................................................................... 19
6.1 Pinout of D-sub 25 socket.................................................................................. 19
6.2 Inputs and outputs on the control board ............................................................ 20
6.3 Pinout of D-sub 9 socket.................................................................................... 20
6.4 RJ45 socket pinout ............................................................................................ 20
