How To See And Modify The Set Point(S) - Emerson Dixell XC645D Installing And Operating Instructions

9. How to see and modify the set point(s)

9.1 How to see the set point of compressors and/or fans
If the controller is managing both compressors and fans, both the set points are displayed in
sequence, otherwise only the set point of the enabled section will be displayed.
1) Push and release the SET key;
The Lower display will show the "SEtC" label, will the Upper display will show its value.
2)
3) To see the fan set point, push again the SET key.
The Lower display will show the "SEtF" label, will the Upper display will show the fan set
4)
point.
To exit: push the SET key or wait for 30 without pressing any keys.
9.2 How to modify the set point of compressors and/or fans
******WARNING: before setting the target set points for the first time, check and, if
necessary, modify the type of refrigerant gas (par. FtyP) and the default unit of
measurement (par. dEU) for compressors and fans **********
PRE-ACTION
1. Set the kind of refrigerant by means of the FtyP parameter (see 7.1 How to set the kind
of gas)
2. Set the measurement unit (dEU par.).
3. Check and if necessary modify the set point limits (LSE and HSE par.).
PROCEDURE
1. Push the SET key for more than 2 seconds;
The Lower display will show the "SEtC" label, will the Upper display will show its value
2.
flashing.
To change the Set value, push the o or n within 30s.
3.
4. To memorize the new value and pass to the fan set point, push the SET key.
The Lower display will show the "SEtF" label, will the Upper display will show the fan set
5.
point flashing.
To change its value, push the o or n within 30s.
6.
To exit: push the SET key or wait for 30 without pressing any keys.
10. The INFO menu
The controller can display some information directly from the main menu.
The INFO menu is accessible by pushing and releasing the UP key:
Here below the list of the information that can be displayed:
NOTE: this information is displayed only if the related function is enabled
•
P1t: temperature value of the P1 probe
•
P1P: pressure value of the P1 probe
•
P2t: temperature value of the P2 probe
•
P2P: pressure value of the P2 probe (if P2 present)
•
P3t: temperature value of the P3 probe (if P3 present)
•
P3P: pressure value of the P3 probe (if P3 present)
•
P4t: temperature value of the P4 probe (if P4 present)
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