SystemAir SAVE VTR 250/B Betriebs- Und Wartungsanleitung Seite 26

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| Configuration
Table 2 Digital universal inputs available for selection
User modes
Central Vacuum Cleaner
Cooker hood function
External Stop
Extra controller Alarm
Change-over feedback
Fire Alarm
Relative humidity and rotation speed signals from fans are already pre-addressed to specific terminals and cannot be
changed, all other inputs are free for configuration by commissioning. Inputs are free to be used for any purpose.
Digital inputs are restricted by signal type and physical number of connections. An input function is only allowed to be
used once.
Universal input (UI) configured as universal analog input (UAI) can be configured for several inputs because multiple
sensors of the same type can be used. Universal analog inputs (UAI) have only selections for RH Sensor (RH), CO₂
Sensor (CO₂), Supply Air Fan Control (SAFC) and Extract Air Fan Control (EAFC) wired configurations.
Analog input (AI) temperature sensors are not allowed to be configured more than once.
Already used and configured input signal type is greyed out and not available for selection. However some user func-
tions related to configuration of digital input (AWAY, CROWDED, FIREPLACE, HOLIDAY or REFRESH) have several possi-
ble activation points, via HMI/APP/Wireless/Modbus (BMS).
Digital inputs can be configured to be normally open (Normally Open (NO)) or normally closed (Normally Closed
(NC)). Default setting is Normally Open (NO). Not available for wireless inputs.
PDM (pulse density modulation) input for relative humidity (RH) sensor on the main board is pre-adressed and cannot
be changed.
Table 3 Overview of input configuration
Analog inputs
Input type
Value
Compensation
7.7.6.2 Output
Configuration of outputs.
Settings for analog, digital and universal output terminals on the main board and connection board, configuration of
functionality.
Table 4 Digital outputs available for selection
Step controllers for Heating/
Cooling/Extra controller
Sum Alarm
Outdoor-/Exhaust Air
Damper
Secondary Air
Activate Cooling
Activation of specific user modes.
Activation of Central vacuum cleaner function.
Activation of Cooker Hood function.
Air handling unit is stopped by an external command.
Indication about an alarm in external controller. Used for Extra Heater/Cooler/
Preheater.
Used with Change-over systems. Indicate if the temperature of heating/cooling fluid
in the system is right.
Air handling unit is stopped due to fire. Can be used with smoke alarms or similar.
Digital inputs
Input type
Polarity
Value
Heater/Cooler/Extra controller control signals.
Fault indicating output.
Outdoor-/Exhaust air damper control signal.
Secondary air damper control.
Cooling mode activation signal to an external system.
Universal analog inputs
Input type
Analog type
Value
GB
Universal digital inputs
Input type
Digital type
Polarity
Value
211473 | B003