Safety installations, Si1+2 – JULABO KRC 180 Refrigerators for chemicals User Manual

Page 13

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7.

SAFETY INSTALLATIONS

The red "alarm" LED (4) will illuminate and the refrigerator be switched off if:

the compressor overheats (the alarm threshold is set at the factory to approx. +105°C, as
measured by the safety sensor on the compressor capsule);

the safety sensor circuit is open or shorted;

the control sensor circuit is open or shorted;

a difference threshold is exceeded between the selected and actual temperature values in
the control circuit (difference 45 K);

power voltage failure.

the test button (1) is pressed

Resetting is performed by pulling out and reconnecting the mains power plug.

Mains fuses

The mains fuses are in the electronics module on the rear of the refrigerator.

Fine fuse MT 6.3 A, D 5x20 mm

Caution

:

Before exchanging the fuses, turn off the mains power switch and disconnect the
power plug from the mains socket!
Only use fine fuses with a nominal value as specified.

KRC 180

SI1+2

KRC 50

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