
LAUDA Ultra-Thermostats
UB 20(-D), UB 25, UB 50, UB 30, UB 40
UB 20 F, UB 20 J, UB 30 J, UB 40 J, UB 65 J
UB 20 JL, UB 30 JL, UB 40 JL
YATE0013 / 10.04.02
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1
Brief Operating Instructions
Even if you find these brief instructions initially sufficient please read the following
sections, especially Section 4: "Safety devices and warning notes".
For safe operation of the equipment it is essential that the information in these
Operating Instructions is observed.
Check the thermostat and the accessories during unpacking for any transport damage
and if necessary inform the carrier or the postal authority.
Assemble the unit according to Section 6 and add extra items as appropriate.
1.1
Fitting the tubing to the pump connections:
Without external system: for improved circulation within the bath fit the tubing nipples
and link them together with e.g. Perbunan tubing (up to 120°C) or better a metal tubing;
open the pump adjustment lever.
With external system: connect the tubings to the external system.
Protect the tubing with hose clips against slipping off.
When working near the ambient temperature connect up the external cooling according
to Section 8.
Use only softened water or LAUDA bath liquids (Section 5). Fill up the bath to a level
about 2 cm below the cover plate.
Check the supply voltage against the details on the label.
Insert the mains plug.
Switch on the supply switch (green lamp lights up).
The display shows the software version and the type of unit (R 400 P), followed by the
standard display.
Select the required indications using the keys
and
in the SHIFT mode.
It is useful to show the setpoint (T
S
) in display line 2 (L
2
) (see Items 9.3.1 - 9.3.3).
Set the overtemperature switch-off point (T
O
) slightly above the operating temperature.
If there is an error message, press the key
and perhaps increase T
O
.
Important: T
O
must be at least 25 K below the fire point of the bath liquid used
(see Item 9.3.4).