Lauda DLK 10, Operating Instructions Manual, Page: 21 / 32

Through flow coolers
16/03/2018 / YAFE0004
Starting up
19
8 Starting up

Always connect the unit to a grounded socket only. Check details on the type label against the
supply voltage.

Note for electric installation on site:
Single-phase devices:
Single-phase devices must be protected with a 16 ampere circuit breaker fitted during
installation.
Exception: Devices with 13 ampere UK plugs.

Secure hoses against slippage with the aid of hose clips.

When the DLK is connected to a thermostat, switch the thermostat on. The DLK control unit must
be activated in the thermostat in any case if
it’s an Ecoline E 3XX, Proline or P control unit
thermostat.

Switch on the mains switch (green) on the DLK.

If the DLK 25 or the DLK 45 has to be controlled by a thermostat, the cooling switch (yellow) must
be switched to the AUTO position. (

Chapter 7.2, 7.3 and 7.4)
The through-flow cooler automatically starts running together with the thermostat. The yellow
signal lamp indicates that the refrigeration unit is switched on. The DLK is protected against
freezing because there is no through-flow when pump is not running.

For manual operation, position the cooling switch (yellow) on . The AUTO function is then
neutralized. (

Chapter 7.1)
NOTE :
Switching on: First switch on thermostat, then switch on through-flow cooler by
means of the mains switch (green signal lamp lights up).
Switching off: First switch off through-flow cooler, then thermostat.
Never allow the through-flow cooler to run without liquid as in this case the
remaining liquid in the exchanger will excessively be cooled down to lowest
temperature. It will freeze resulting in damaging the exchanger.