Ingersoll-Rand Thermo King Cold Cube, Руководство оператора

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ColdCube Operation
23
Setting temperature alarms
NOTE: The controller has no memory to store alarms and
alarms are not stored if unit is powered off.
In addition to setting the internal temperature of the ColdCube
(above procedure), the keypad can be used to set a temperature
alarm.
Figure 9: ColdCube Display and Keypad
As an example, to set an alarm for 5°F over or under a 41°F
setpoint (+/- 3°C), follow this procedure:
1. Press PRG and " " or " " together for more than
5 seconds. The display will show the number “ 0 ”,
representing the password prompt
2. Press " " or " " until the number “ 22 ” is
displayed (the code of the password that allows access to
the parameters).
3. Confirm by pressing SET . The display will show the code
of the first modifiable type “ C ” parameter (“ /2 ”)
4. Press " " or " " until reaching parameter “ st ”
(temperature set point).
5. Press SET to display the value associated with the
parameter: set “
41F ” by using the " " or " "
buttons.
6. Press SET to temporarily save the new value and return to
the display of the parameter code
7. Press " " or " " until displaying the parameter
“ A1 ” (Type of threshold “ AL ” and “ AH ”).
8. Press SET to display the value associated with the
parameter. It should be already “ 0 ” (relative threshold:
with this selection the AL and AH values are not fixed but
indicate the maximum permissible deviation from the set
point). If not increase or decrease it using the "
" or
" " buttons respectively.