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MK / MKT (E5) 08/2020 page 43/162
7. Set-point entry in “Fixed value” operating mode
In Fixed value operating mode you can enter a temperature set-point, the fan speed(with MKF 56), and the
switching-state of up to 16 operation lines.
All settings made in Fixed value operating mode remain valid until the next manual change. They are saved
also when turning off the chamber or in case of toggling to Idle Mode or Program Mode.
Setting ranges Control ranges
Temperature
MK
-50 °C / -58 °F up to 180 °C / 356 °F.
(range -50 °C / -58 °F up to -40 ºC / -40 °F
not provided for operation)
-40 ºC / -40 °F up to 180 °C / 356 °F
Temperature
MKT
-80 °C / -112 °F up to 180 °C / 356 °F
(range -80 °C / -112 °F up to -70 ºC / -94 °F
not provided for operation)
-70 ºC / -94 °F up to 180 °C / 356 °F
Fan speed
MK 56
30 % up to 100 %
MK 56: Reduce the fan speed only if required, because the spatial temperature distribution of
will also be reduced.
Technical data refers to 100% fan speed.
With set-point type “Limit”, adapt the safety controller (chap. 12.2) or the over/under temper-
ature safety device class 2 (option, chap.12.3) always when you changed the temperature
set-point. Set the safety controller set-point or the set-point of the over/under temperature
safety device class 3.3 (option) by approx. 2 °C to 5 °C above the controller temperature set-
point.
Recommended setting: Set-point type “Offset” with safety controller set-point 2 °C.
7.1 Set-point entry through the “Setpoints” menu
Press the Setpoint setting icon to access the “Setpoint” setting menu from Normal display.
“Setpoints” menu (example: MK 56).
Select “Fixed value operation setpoints” to access the
individual parameters.
• Select the field “Temperature” and enter the desired temperature setpoint.
Setting range: MK -50 °C / -58°F up to 180 °C / 356 °F, MKT: -80 °C / -112 °F up to 180 °C / 356 °F:
Confirm entry with Confirm icon.
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