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Controller Parameters
The main function settings are meant for user
customization. The programmable controller settings
are provided only for information. Adjustments to
Programmable parameter settings may cause system
failure, impact how well the system runs and performs,
and void the warranty.
How to Change a Parameter Value
To change the parameter's value operate as follows:
1. Enter the Programming mode by pressing the
Set +
keys for 3s (the "°C" or "°F" LED starts
blinking).
2. Select the required parameter. Press the "SET" key
to display its value.
3. Use "UP" or "DOWN" to change its value.
4. Press "SET" to store the new value and move to the
following parameter.
To exit: Press SET + UP or wait 15s without pressing a
key.
Note: The set value is stored even when the procedure is
exited by waiting the time-out to expire.
The Hidden Menu
The hidden menu Includes all the parameters of the
instrument.
How to Enter the Hidden Menu
1. Enter the Programming mode by pressing the
Set +
keys for 3s (the "°C" or "°F" LED starts
blinking).
2. Released the keys, then push again the Set +
keys for more than 7s. The Pr2 label will be displayed
immediately followed from the HY parameter.
Now you are in the Hidden Menu
3. Select the required parameter.
4. Press the "SET" key to display its value.
5. Use
or
to change its value.
6. Press "SET" to store the new value and move
18
to the following parameter.
To exit: Press SET + UP or wait 15s without pressing a key.
Note: If none parameter is present in Pr1, after 3s the "noP"
message is displayed. Keep the keys pushed till the Pr2
message is displayed.
Note: The set value is stored even when the procedure is
exited by waiting the time-out to expire.
How to Move a Parameter from the Hidden menu to the
First Level and Vice versa.
Each parameter present in the HIDDEN MENU can be
removed or put into "THE FIRST LEVEL" (user level) by
pressing Set +
.
In HIDDEN MENU when a parameter is present in First Level
the decimal point is on.
The following is a list of the unit's suggested settings for the
parameters:
Table 2. Controller Parameters
Label
Name
* Set
Set point
Hy
Diff erential
LS
Minimum set point
US
Maximum set point
Ot
Thermostat probe calibration
P2P
Evaporator probe presence
OE
Evaporator probe calibration
P3P
Third probe presence
O3
Third probe calibration
P4P
Fourth probe presence
O4
Fourth probe calibration
OdS
Outputs delay at start up
AC
Anti-short cycle delay
CCt
Continuous cycle duration
CCS
Set point for continuous cycle
Recommended
Set Value
-20
3
-22
-10
0.0
n
0.0
n
0
n
0
0
5
0
-20
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