Setting The By-Pass Pass Temperature In Free-Cooling Mode; Advanced Parameters Configuration - S&P CADB-HE BASIC Series Manual

Operation in automatic mode
The free-cooling / free-heating mode is programmed with the following algorithm: The lower tempera-
ture limit of the T
ODA
happens in order to avoid discomfort due to the entry of air excessively cold.

9.3.3. Setting the by-pass pass temperature in free-cooling mode

Pressing on the button
re, whenever there is a demand for cooling in the building, the by-pass damper will be opened:
HIGH
temp
Temperature
High
Medium
Low
* The setpoint temperatures can be modified (See chapter Control settings).

9.4. ADVANCED PARAMETERS CONFIGURATION

In addition to the functions that can be performed through the three buttons of the hand terminal, it is
also possible to modify some of the parameters and functionalities set from factory. Depending on the
parameter to be modifi ed, it will be necessary to access the electronic board of the controller (inside the
electrical cabinet) or the remote hand terminal.
Access to the selectors inside the remote hand terminal (rotary type)
By disassembling the front of the remote control you have access to a serie of potentiometers that allow
to modify some of the factory settings.
Using a screwdriver, perform light lever in the side slots until the front of the control is released.
View of the rotary selectors, once the cover is removed:
Selector 4
20
probe is a minimum of 12ºC, below this temperature the bypass operation does not
modifi es the setpoint temperature value of the by-pass. Below this temperatu-
MEDIUM
temp
Balance
LOW
temp
Default value*
13ºC
18ºC
23ºC
Selector 3 (High speed)
Selector 2 (Medium speed)
Selector 1 (Low speed)
Selector 2 (Special functions)
MEDIUM
temp
Led colour
Red
Orange
Green
HIGH
temp