Carrier 69NT40-541-505 Operation And Service Manual page 58

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Configurable Functions - Cd50 through Cd53 are user-selectable functions. The operator can change the value
of these functions to meet the operational needs of the container.
CCPC Enable/
Cd50
Disable
Automatic Cold
Treatment (ACT)
Cd51
Mode Parameter
Selection
T-368
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Table 4–5 Controller Function Codes
"OFF" = disabled.
"On" = enabled.
"SEtPt" = suspended by setpoint too low.
"CAHUM" = suspended by CA or humidity control.
"ACt" = suspended by ACT active.
"FAIL" = all return temperature probe failure for CCPC.
"PrtrP" = pretrip active.
"C LIM" = suspended by cool limit logic.
"PULL" = pulldown active.
ALArM = suspended by shutdown alarm
Press enter, arrow keys, and then enter to select "OFF" or "On".
If "On" is selected, CCPC operation may be suspended as indicated by one of the
suspension codes listed above. If CCPC is not "OFF" and is not suspended, "On"
will be displayed.
ACT-mode:
Cd51 increments of (1 day)_(1hr), Display: default 0_0
done mm-dd this will be display is ACT has completed
ACt value On OFF or ----Display /Select: default OFF
trEAt value °C / °F on 0.1 degree increments Display/Select: default 0.0°C
DAyS value "0-99" increments of 1 Display/Select: default "0"
ProbE value Probe positions ex '1 2 _ 4' '1 _ 3 _' Display: default ----
SPnEW value °C / °F on 0.1 increments Display/Select: default 10.0°C
Initially Cd51 will display current countdown timer increments of (1 day)_(1hr), de
fault 0_0
Pressing ENTER key will take the interface down into a hierarchy of parameter se-
lection menus in the order listed above. Pressing ENTER key in any of the param-
eter selection menus commits to selection of the currently displayed parameter
and causes the interface to descend into the next parameter selection menu. All
parameter selection menus alternate between a blank display and the current se-
lection in the right hand display.
Pressing CODE SELECT key in a selection menu cancels the current selection ac-
tivity and ascends back up to the next higher selection menu (or to Cd51 dis play
mode if that is the next higher).
If the operator does not press any key for five seconds the interface reverts to nor-
mal system display and the current selection menu is cancelled, but any previously
committed changes are retained.
Available parameters and parameter ranges are a function of configuration options
and previously selected parameters as indicated above.
Parameter with the exception of Act may not be altered if Cd51 is re-entered if Act
is On. When ACT has completed including reaching the new setpoint done on the
left display and the MONTH DAY of completion on the right display will be dis-
played as the second entry in the menu. Turning ACT off clears this entry. This ac-
tion also resets Cd51 to initial time remaining. ACT must then be turned on to view
or modify the additional parameters.
Whenever any auto pretrip test or Trip Start is initiated, act-mode goes to OFF.
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