Commissioning
Chapter 2
OPERATION MANUAL
V2.3.0en/07.06.19//17.12
Unichiller®
33
Damaged power cable/power cable connection
MORTAL DANGER FROM ELECTRIC SHOCK
Do not start up the temperature control unit.
Isolate the temperature control unit from the power supply.
Have the power supply cable/power supply connection replaced and inspected by an electri-
cian.
Incorrect power supply connection
DAMAGE TO THE TEMPERATURE CONTROL UNIT
Your building's existing power supply voltage and frequency must match the data provided on
the rating plate of the temperature control unit.
2.12.3
Connecting the functional earth
PROCEDURE
If required, connect the temperature control unit’s
>Functional earth terminal<
[87] to the
building’s grounding point. Use a ground strap for this purpose. For the exact position and thread
size please refer to the wiring diagram from page 85 in Section
.