MANUAL DE INSTRUCCIONES CODIGO 80297 REV E 12/2020 Pag.: 11
J.P. SELECTA s.a.u. Autovía A-2 Km 585.1 Abrera 08630 (Barcelona) España Tel 34 937 700 877 Fax 34 937 702 362
e-mail: selecta@jpselecta.es - website: http://www.grupo-selecta.com
7.4Operationunderambienttemperature(onlyDIGITERM
models)
The unit allows to operate at temperatures under ambient (to a minimum of +25°C)
Coolant liquid circulation is needed, through the coolant coil (See gure 7.3).
For instance, to get the bath at 25ºC, made circulate tap water through the coolant coil,
so you can get an operation temperature on 25ºC.
If tap water is under 18ºC the unit could be set the water tank to 25ºC.
7.5Externalprobe(onlyDIGITERMmodels)
Connect a Pt100 type probe to control the process from an external probe. The equipment
automatically detects the probe change.
NOTE: the external probe must be located at a point where the heating element takes
effect, otherwise the equipment will heat without control.
7.6Bulbclampchange
If you are going to work at high temperatures (between 120°C and 150°C) with oils or
other liquids with a higher density than water, it is recommended to change the position
of the safety thermostat bulb to prevent the thermostat from jumping unnecessarily.
Use the attached clamping ange to modify the position of the bulb, as indicated in
gure 7.6b.
a) Remove the bulb from the retaining clips.
b) Screw it to the resistance using the attached ange.
Fig 7.3 Cooler coil
Fig 7.2 Rear part view
Main switch
Power cable
Safety
thermostat
External
temperature
probe
7.6a Thermostat bulb for working at temperatures
below 120°C
7.6b Thermostat bulb for working at temperatures
above 120°C
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