360077-1/O
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i.Series® - All Models
9.4
Level 4 Parameters and Values
Parameter
Description
Default Value
Program security lock
nonE
Derivative sensitivity
0.5
Display sensitivity (or direct display of input)
dir
Disable SP2 alarm annunciator
oFF
Program mode auto-exit switch (returns display to
normal mode if no activity for one minute)
Auto
9.5
Change the Refrigerator Setpoint
Independent temperature controller.
NOTICE
►
Do not change the setpoint to a value outside the temperature control range.
►
Parameter values are factory-preset and should not be changed unless directed by
Helmer Technical Service.
NOTE
►
Default setpoint varies for each refrigerator.
►
Setpoint is adjusted to achieve an average chamber temperature of 4.0 °C.
►
The reference temperature displayed on the temperature controller may not be the
same as the temperature displayed on the i.Center monitor.
►
Allow the temperature to stabilize for 10 minutes prior to changing the setpoint again.
1
Observe the average chamber temperature displayed on the i.Center monitoring system, after the
monitoring system probe has been calibrated.
2
Determine how much the refrigerator setpoint will be changed.
EXAMPLE
►
Average observed temperature is 3.5 °C
►
Desired average temperature is 4.0 °C
►
Current setpoint is 6.0 °C
►
Adjust setpoint to 6.3 °C
3
Access the setpoint adjustment function:
a
Press and hold the
*
button.
►
The controller displays current setpoint value.
4
Change the setpoint by the setpoint adjustment value:
a
Press and hold the
*
button.
b
Press the
UP
or
DOWN
buttons to increase or decrease setpoint in increments of 0.1 °C.
5
Release all buttons to exit the setpoint parameter. New settings are saved.