Helmer Scientific i.Series
®
Ultra-Low Freezer
Service and Maintenance Manual
360173-A/C
18
Factory Default Settings
Settings listed below may be simultaneously returned to factory default values.
Note
The factory default settings may not be the same as the settings that were factory-calibrated before the freezer was shipped.
Table 6. Restored Settings
Setting
Restored Value
Home Screen Application Icons
i.C³ APPS, Settings, Temperature Graph, Information Logs, Download
Display Brightness
High (3 symbols)
Password (for Settings screen)
1234
Sounds
On
Alarm Volume
9
Alarm Tone
3
Temperature Calibration Values
Varies (calibrated at factory)
Low Stage Compressor Discharge Probe Offset Value
0 °C
High Stage Compressor Discharge Probe Offset Value
0 °C
Heat Exchanger Probe Offset Value
0 °C
High Stage Condenser Discharge Probe Offset Value
0 °C
Unit ID
Serial number entered at factory
Date Format
MM/DD/YYYY
Day
Not affected (maintained in real-time clock)
Month
Year
Time Format
12-hour
Minute
Not affected (maintained in real-time clock)
Hour
AM/PM
Language
Language previously selected during setup
Temperature Units
°C
Password Protection (for Settings screen)
On
Ambient Temperature Display
On
LN
2
/ CO
2
System Input
Off
USB Port
On
RS-232 Port
On
Access Control as Home Page
On
High Chamber Temperature Alarm Setpoint
-70.0 °C
High Chamber Temperature Alarm Time Delay
0 minutes
Low Chamber Temperature Alarm Setpoint
-90.0 °C
Low Chamber Temperature Alarm Time Delay
0 minutes
High Ambient Temperature Alarm Setpoint
30.0 °C
High Ambient Temperature Alarm Time Delay
15 minutes
Low Ambient Temperature Alarm Setpoint
15.0 °C
Low Ambient Temperature Alarm Time Delay
15 minutes
Power Failure Alarm Time Delay
1 minute
Sensor Failure Alarm Time Delay
0 minutes
Door Open Alarm Time Delay
1 minute
Chamber Setpoint
-80.0 °C
Chamber Hysteresis
0.1°C
Delay on Start-Up
1 minute