Recirculating coolers
3
Table of Contents
1.
Intended use...............................................................................................4
1.1.
Description .........................................................................................4
2.
Operator responsibility – Safety instructions..............................................4
2.1.
Disposal..............................................................................................6
2.2.
Technical specifications .....................................................................7
2.3.
Cooling water connection .................................................................12
3.
Safety notes for the user ..........................................................................13
3.1.
Explanation of safety notes ..............................................................13
3.2.
Explanation of other notes................................................................13
3.3.
Safety instructions ............................................................................13
4.
Operating controls and functional elements.............................................15
5.
Operation..................................................................................................18
5.1.
Preparations .....................................................................................18
5.2.
Return flow safety device .................................................................19
5.3.
Bath fluids.........................................................................................20
5.4.
Tubing...............................................................................................20
5.5.
Power connection.............................................................................21
5.6.
Filling ................................................................................................21
5.7.
Draining ............................................................................................22
5.8.
Connecting an external sensor ........................................................23
6.
Manual operation .....................................................................................24
6.1.
Switching on .....................................................................................24
6.2.
Start ..................................................................................................24
6.2.1.
Automatic / non-automatic start mode..........................................25
6.3.
Setting the setpoint temperatures ....................................................26
6.3.1.
Setting the temperature................................................................26
6.3.2.
Setting the control ratio for feed/return flow temperature.............27
6.3.3.
Setting the safety temperatures ...................................................28
6.3.4.
Low liquid level protection ............................................................28
6.4.
PID control parameters ....................................................................29
7.
Trouble shooting guide.............................................................................32
7.1.
Other error messages ......................................................................33
8.
Electrical connections ..............................................................................33
9.
Remote control .........................................................................................36
9.1.
Communication with a PC or data system .......................................36
9.2.
List of commands .............................................................................36
9.3.
Status messages..............................................................................38
9.4.
Error messages ................................................................................38
10.
Menu functions .........................................................................................39
10.1.
Selecting/exiting the configuration level ...........................................39
10.2.
Setting the parameters .....................................................................39
10.3.
Adjustable parameters .....................................................................40
10.4.
Selecting/exiting the calibration level ...............................................41
10.5.
Calibration ........................................................................................41
11.
Cleaning / repairing the unit .....................................................................44
12.
WARRANTY PROVISIONS .....................................................................45
