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T-362
4–10
Cd43 XtendFRESH Mode
Cd43 controls the XtendFRESH controlled atmosphere option. If a unit does not have the XtendFRESH
option, dashes “-----” will be displayed.
Cd43 contains four selectable modes of operation:
• FrESh - All XtendFRESH operations are enabled and setpoints for CO
2
and O
2
can be edited.
• OFF - All XtendFRESH operations are disabled.
• tESt - Allows the user to test mechanical components, test and calibrate the CO
2
sensor and verify
the validity of the O
2
sensor.
• PUrgE - Allows the user to suspend XtendFRESH operations while pre-charging gas levels in the
container. All XtendFRESH control actions and alarms 29 and 96 are suspended.
Turn On XtendFRESH (Fresh Mode):
1. Use the Arrow keys to bring up “FrESh” and press ENTER.
2. The display will show | “CO2SP” | “#” |, where # is the CO2 setpoint value. Use the Arrow keys to
select a CO2 setpoint and press ENTER to confirm. Or, just press ENTER to keep the originally
displayed value.
The CO2 setpoint is the maximum level of CO2 allowed for the cargo. The range is 0% to
19% in 1% increments, with a default setting of 5%.
3. The display will show | “O2 SP” | “#” |, where # is the O2 setpoint value. Use the Arrow keys to
select an O2 setpoint and press ENTER to confirm. Or, just press ENTER to keep the originally
displayed value.
The O2 setpoint is the minimum level of oxygen allowed for the cargo. The range is 3% to
21% in 1% increments, with a default setting of 10%.
Turn Off XtendFRESH:
1. To manually turn XtendFRESH Mode Off from the Cd43 menu, use the Arrow keys to bring up
“OFF” and press ENTER.
For detailed procedures and technical information related to the XtendFRESH controlled atmosphere,
Display Only Function
- Cd44 is a display only function.
Cd44 XtendFRESH Values
Cd44 displays the following XtendFRESH values:
• CO2
setpoint
• CO2 percentage
• O2
setpoint
• O2 percentage
• O2 voltage
For the CO
2
setpoint, the range is from 0 to 19% in 1% increments with a default setting of 5%.
For the O
2
setpoint, the range is from 3% to 21% in 1% increments with a default setting of 10%.
For detailed procedures and technical information related to the XtendFRESH controlled atmosphere,
Table 4–4 Controller Function Codes
Code Description
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