Helmer iPF125 - Set Parameter Values

Helmer Scientic i.Series
®
and Horizon Series
™
Freezer - Upright Operation Manual
360369/A 17
View Recorded Temperature Timer
Notes
• The timer denotes the period of time that has elapsed. It does not display the time at which a minimum or maximum
temperature occurred.
• The maximum period of time the timer can record is 99:59 (99 hours and 59 minutes).
1. Press and hold either the Up or Down Arrow button for 1 second. or
2. While the display is ashing the HI or LO value, press and hold the SET button for 1 second.
3. The display will alternate ve (5) times between CLr and a value representing the number of hours and minutes that
have elapsed since the last recording (example: 12:47 would represent 12 hours and 47 minutes). A single beep will
follow to indicate exit back to temperature display.
Clear Minimum and Maximum Temperature Recordings
1. Press and hold either the Up or Down Arrow button for 1 second. or
2. While the display is ashing the HI or LO value, press and hold the SET button for 1 second and listen for a single beep.
3. While the display is ashing the elapsed time since last reset, press and hold the SET button for 2 seconds. CLr will be
displayed followed by a series of 3 beeps to indicate exit back to the temperature display.
Notes
The minimum and maximum temperature and timer will reset when:
• the unit is powered off and battery back-up is not engaged, or
• after 99 hours and 59 minutes have elapsed.
Change Freezer Temperature Setpoint
Note
Default setpoint is -30.0°C
1. Press and release SEL to change to Control mode. The CONTROL lamp will illuminate.
2. Press and hold SET to display the current setpoint temperature.
3. Hold SET and press the Up or Down Arrow as necessary to set the desired setpoint value.
4. Release all buttons; the setpoint is changed.
5. Press and release SEL to return to Monitor mode. The MONITOR lamp will illuminate.
6.3 Set Parameter Values
1. Press and hold the Up and Down Arrows simultaneously for 3 seconds to enter program mode.
2. The LED Display will show .C or .F to indicate Celsius or Fahrenheit.
3. Press and release SEL button to scroll through the parameters.
4. Once the desired parameter is selected, press and hold the SET button while pressing the Up or Down Arrow to select
the desired value.
5. Release SET button. The new setting is saved.
6. Press and hold the Up and Down Arrows simultaneously for 3 seconds to exit program mode.
Note
Contact Helmer Technical Service to set Hysteresis values.
Table 3. Parameter Values
Parameter Visual Indicator Range Default
Celsius or Fahrenheit None ˚C, ˚F ˚C
High Temperature MONITOR Lamp & HIGH Lamp -40.0 to 25.0 (˚C) -40 to 77 (˚F) -20.0 ˚C
Low Temperature MONITOR Lamp & LOW Lamp -40.0 to 25.0 (˚C) -40 to 77 (˚F) -40.0 ˚C
Monitor Offset MONITOR Lamp -10.0 to 10.0 (˚C) -18 to 18 (˚F) Varies
Control Offset CONTROL Lamp -10.0 to 10.0 (˚C) -18 to 18 (˚F) Varies
Hysteresis CONTROL Lamp 0.5 to 2.5 (˚C) 1 to 5 (˚F) 2.0˚C
Horizon Series Operation