Pressure Switch Setting - Salda AMBERAIR COMPACT S-CX H Operation, Installation & Maintenance Instructions

For left side units SUP and ETA ducts are located on the opposite side.
After installation of the pressure hoses, the controller of the unit must be configured for controlling fan speed by constant air pressure. Configura-
tion can be implemented using the web interface, SALDA AIR mobile application or ST-SA-Control remote panel.
• Go to the unit's controller configuration parameters (see section "ACCESS OF CONFIGURATION PARAMETERS").
• In the SERVICE menu select FANS.
• Set the fan's control type as PRESSURE and the maximum air flow pressure value.
• In the SERVICE menu select SAVE CHANGES/SAVE SETTINGS and RESTART (AHU).
• To change default pressure setpoint values for each operation mode, in the ADJUSTER menu select AIR FLOWS ADJUSTING and set preferred
setpoints. Select SAVE CHANGES/SAVE SETTINGS.
Converting to percentage control type:
• Go to the unit's controller configuration parameters (see section "ACCESS OF CONFIGURATION PARAMETERS").
• In the SERVICE menu select FANS.
• Set the fan's control type as PERCENT.
• In the SERVICE menu select SAVE CHANGES/SAVE SETTINGS and RESTART (AHU).
• To change default pressure setpoint values for each operation mode, in the ADJUSTER menu select AIR FLOWS ADJUSTING and set preferred
setpoints. Select SAVE CHANGES/SAVE SETTINGS.

5.4. PRESSURE SWITCH SETTING

Pressure relays indicate pollution of the filters or heat exchanger frosting. Standard settings for filter pollution are 150Pa but need to be changed
according to the unit's selection data.
Setting the value of the pressure switch
To set the pressure switch activation value follow the steps indicated below:
• Unscrew the pressure switch fixing screws.
• Remove the pressure switch cover.
• Set the switch activation value of differential pressure by rotating blue panel with pressure values and aligning the value to the red mark.
• To reassemble, follow steps in reverse order.
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Fig. 5.3.2 Horizontal Right units
1
1 - Panel with pressure values; 2 - Mark; 3 - Cover; 4 - Fixing screws.
ETA
SUP
3
4
2
4
AMBERAIR COMPACT S-CX v2023.3