JULABO LC 4 Temperature controller - Manual (Page 26)

Menu functions
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6.4. Active countercooling: Pc
For applications near the ambient temperature, countercooling
might become necessary.
For this purpose, connect the JULABO MVS solenoid valve
controller to the
/ alarm socket (application example see page
16). The supply of a cooling pulse "Pc" must be activated on the
controller.
Activating the supply of a cooling pulse:
 With the edit keys change the menu function from
“Pc 0” to "Pc 1" and then press enter .
Factory setting: "Pc 0"
(no countercooling).
 Whenever countercooling is not necessary, reset the “Pc”
parameter to 0.
6.5. Controlling the heater capacity: h
This control allows the maximum effective heater capacity of the
connected heating device to be adjusted in 10 % steps between 10
% and 100 %. The gradient of the temperature rise function may
thus be controlled to permit gentle warming of thermally sensitive
substances and to prevent over-shooting.
Controlling the heater capacity:
 Using the edit keys set the desired maximum heater
capacity and then press enter .
(example: 70 %).
Factory setting: 100 %