Carrier 69NT40--541--200 TO 299 Operation And Service page 43

Secondary Supply
Cd38
Temperature Sensor
Secondary Return
Cd39
Temperature Sensor
Container Identifica-
Cd40
tion Number
Cd41 Not Applicable
Cd42 Not Applicable
AutoFresh Mode
Cd43
(Future use)
AutoFresh Values
Cd44
(Future use)
Vent Position Sensor
Cd45
(VPS)
Cd46 Not Applicable
Variable Economy
Cd47
Temperature Setting
Table 3-5 Controller Function Codes (Sheet 4 of 4)
Code Cd38 will display the current secondary supply temperature sensor reading
for units configured for four probes. If the unit is configured with a DataCORDER,
Cd38 will display "-- -- -- -- -- ." If the DataCORDER suffers a failure, (AL55) Cd38
will display the supply recorder sensor reading.
Code Cd39 will display the current secondary return temperature sensor reading
for units configured for four probes. If the unit is configured with a DataCORDER,
Cd39 will display "-- -- -- -- -- ." If the DataCORDER suffers a failure, (AL55) Cd39
will display the return recorder sensor reading.
Code Cd40 is configured at commissioning to read a valid container identification
number. The reading will not display alpha characters, only the numeric portion of
the number will display.
--
--
--
--
Code Cd45 will display whenever the control detects movement via the sensor
unless alarm 50 is active. The code shall be displayed for 30 seconds, then time
out and return to the normal display mode. If the Temperature unit is _F, the VPS
units shall be CFM and in _C the VPS units shall be CMH.
Setpoint and Temperature can be displayed in either _C or _F units, depending on
the units selected. Holding the _C / _F key will switch to the other unit as long as
the key is held. Pressing and holding the RETURN / SUPPLY key will cause the
control temperature display to switch to the opposite probe temperature as long
as the key is held.
--
The variable temperature "_C or _F" setting is used with optional economy mode.
Function code is "--------" when unit is not configured for economy mode.
3-17
T-317