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STRATUS TA20 Series Industrial Air Conditioners User Manual
1st edition RevA.
Functions and Parameters
Temperature Controller Setpoints
Function Operation Parameter Operating Range
Factory Set
Point
Cooling Setpoint
Set cooling relay SET 70 to 95°F 95°F
Cooling Differential
Control hysteresis Hy 1 to 45°F 5°F
Compressor Protection
Anti short-cycle AC 0 to 50 minutes 5 minutes
*Probe Displayed
Selects display probe
P1 - Enclosure Temp
P2 - Condenser Temp
Lod P1, P2, P3, P4 P1
Max Temp Alarm
Panel Indicator ALU 45 to 302°F 105°F
Min Temp Alarm
Panel Indicator ALL -67 to 105°F 45°F
*Note: P3 and P4 are not used and if selected will result in noP flashing on the display.
Main Functions
1. Press and immediately release the SET key. The display will show the setpoint value.
2. Press and immediately release the SET key or wait for 15 seconds to display the probe value again.
1. Press the SET key for more than 2 seconds to change the setpoint value.
The value of the setpoint will be displayed and the F LED starts blinking.
2. To change the SET value, press the UP or DOWN arrow key within 15 seconds.
3. To store the new setpoint value, press the SET key again or wait 15 seconds.
NOTE: The set value is stored even when the procedure is exited by waiting for the time-out to expire.
To change the parameter’s value, operate as follows:
1. Enter the Programming mode by pressing the SET + DOWN arrow keys for 3 seconds. The F LED starts blinking.
2. Select the required parameter by pressing the UP or DOWN arrow key. Press the SET key to display its value.
3. Press the UP or DOWN arrow key to change its value.
4. Press SET to store the new value and move to the following parameter.
To exit: Press SET + UP arrow keys or wait 15 seconds without pressing a key.
NOTE: The set value is stored even when the procedure is exited by waiting for the time-out to expire.
1 .Press and hold the SET and DOWN arrow keys simultaneously for more than 3 seconds. (The °F LED starts blinking.)
2. Release the keys, then push the SET and DOWN arrow keys simultaneously , again for more than 7 seconds.
The Pr2 label will be displayed immediately followed by the HY parameter.
3. Select the required parameter.
4. Press the SET key to display its value.
5. Press the UP or DOWN arrow to change its value.
6. Press SET to store the new value and move to the following parameter.
To exit: Press SET + UP arrow keys or wait 15 seconds without pressing a key.
NOTE 1: If no parameter is present in Pr1, after 3 seconds the noP message is displayed. Keep the keys pushed until the Pr2 message is displayed.
NOTE 2: The set value is stored even when the procedure is exited by allowing the time-out to expire.
1. Press and hold the UP and DOWN arrow keys simultaneously for more than 3 seconds.
2. The POF message will be displayed and the keyboard will be locked.
At this point, it will be possible only to see the setpoint or the MAX or MIN temperature stored.
If a key is pressed for more than 3 seconds the POF message will be displayed.
1. Press and hold the UP and DOWN arrow keys simultaneously for more than 3 seconds until the Pon message is displayed.
HOW TO SEE THE SETPOINT
HOW TO CHANGE THE SETPOINT
HOW TO CHANGE THE AC, Lod, ALU AND ALL PARAMETERS
HOW TO CHANGE THE DIFFERENTIAL VALUE (Hy)
HOW TO LOCK THE KEYBOARD
HOW TO UNLOCK THE KEYBOARD
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