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4–31 T-372
Display Only Function - Cd44 is a display only function.
Cd44 XtendFRESH Values |
EverFRESH Values
When XtendFRESH option enabled:
Cd44 allows the user to view the following XtendFRESH values: CO
2
setpoint,
CO
2
percentage, O
2
setpoint, O
2
percentage, and O
2
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%.
When EverFRESH option enabled:
Cd44 allows the user to view the following EverFRESH values: CO
2
setpoint,
CO
2
percentage, O
2
setpoint, O
2
percentage, O
2
voltage, and MPT pressure.
For the CO
2
setpoint, the range is from 2 to 19% in 1% increments with a default
setting of 5%. For the O
2
setpoint, the range is from 3% to 17% in 1% increments
with a default setting of 10%.
Configurable Functions - Cd45 through Cd48 are user-selectable functions. The operator can change the value
of these functions to meet the operational needs of the container.
Cd45 Vent Position Sensor
(VPS) Position
Values: 0 to 240 for UPPER / 0 to 225 for LOWER
This function code will be dashed out if not configured for VPS.
When configured for VPS, Cd45 displays the current vent position in units of 5
CMH (units displayed as “CM”) or CFM (units displayed as “CF”) depending on
the selection of Cd46 (Airflow display units), Cd28 (Metric/Imperial) or the
pressing of the deg C/F key.
Cd45 will display whenever the control detects movement via the sensor unless
AL50 is active. Cd45 will display for 30 seconds, then time out and return to the
normal display mode.
Cd46 Airflow Display Units Selects the airflow units to be displayed by Cd45 if configured for Vent Position
Sensor or displayed by “USER/FLO” under Cd43 if configured for Autoslide.
CF = Cubic Feet per Minute
CM = Cubic Meters per Hour
bOth = Displays CF or CM depending on the setting of Cd28 (Metric/Imperial) or
the pressing of the degree C/F key.
Cd47 Variable Economy
Temperature Setting
Used when Economy Mode (CnF22) is set to 3-cust. Display will show “----” when
the unit is not configured for Economy Mode.
When the unit has a perishable setpoint and Economy Mode is active, at the start
of each cooling or heating cycle, high speed evaporator fans will run for 3
minutes. After three minutes, the evaporator fans will be switched to low speed
any time that the supply temperature is /- 0.25°C of the setpoint and the
return temperature is less than or equal to the supply tempe the user
selected Cd47 (values are 0.5°C - 4.0°C, default is 3.0°C).
Table 4–8 Controller Function Codes (Continued)
Code Title Description