ef cooling Ernst H. Furrer AG Operating manual
1-4 Chapter page Issue: 07 / 2015 Cooling unit EVO 45, 0390.013
4 Packing and transport ................................................................................ 4-15
4.1 Safety .............................................................................................................. 4-15
4.1.1 Personnel qualification .................................................................................................... 4-15
4.2 Preparations for transport ............................................................................. 4-15
4.2.1 Emptying (frost protection) .............................................................................................. 4-15
4.3 Packing ........................................................................................................... 4-16
4.4 Transport ........................................................................................................ 4-16
5 Installation and assembly ........................................................................... 5-18
5.1 Safety .............................................................................................................. 5-18
5.1.1 Personnel qualification .................................................................................................... 5-18
5.2 Energy connections ....................................................................................... 5-18
5.3 Installation ...................................................................................................... 5-18
5.4 Assembly ........................................................................................................ 5-19
5.4.1 Electrical connection ....................................................................................................... 5-19
5.4.2 Connecting the remote control ........................................................................................ 5-19
5.4.3 Connections of the medium circuit .................................................................................. 5-19
6 Commissioning ........................................................................................... 6-20
6.1 Safety .............................................................................................................. 6-20
6.1.1 Personnel qualification .................................................................................................... 6-20
6.2 Venting the pump ........................................................................................... 6-20
6.3 Checks prior to commissioning .................................................................... 6-20
6.3.1 Oil sump heater (optional) ............................................................................................... 6-20
6.4 Procedure for commissioning ....................................................................... 6-21
6.4.1 Medium circuit ................................................................................................................. 6-21
6.4.1.1 Medium requirements ..................................................................................................... 6-21
6.4.1.2 Commissioning the medium circuit ................................................................................. 6-21
6.4.2 Refrigerant circuit ............................................................................................................ 6-21
6.4.3 Operating state "Total Off" .............................................................................................. 6-22
7 Operation ..................................................................................................... 7-23
7.1.1 Personnel qualification .................................................................................................... 7-23
7.1.2 Description of the PLC .................................................................................................... 7-23
7.1.3 Troubleshooting at operator level ................................................................................... 7-23
8 Inspection and maintenance ...................................................................... 8-25
8.1 Safety .............................................................................................................. 8-25
8.1.1 Personnel qualification .................................................................................................... 8-25
8.2 Visual inspection ............................................................................................ 8-25
8.2.1 Tank and medium circuit ................................................................................................. 8-25
8.2.2 Alarms on the display ...................................................................................................... 8-25
8.2.3 Air-cooled cooling units ................................................................................................... 8-25
8.2.4 Water-cooled cooling units .............................................................................................. 8-26
8.3 Maintenance schedule ................................................................................... 8-26
9 Repair ........................................................................................................... 9-27