SystemAir SAVE VTR 150/B Service & Accessories Installation Manual page 20

16
| Configuration
Table 3 Digital outputs available for selection
Step Controller Y1 Heating
Step Controller Y3 Cooling
Step Controller Y4 Extra
Controller
Sum Alarm
Outdoor-/Exhaust Air
Damper
Secondary air
Activate Cooling
Interlock External fan control
Start/Stop Circ. Pump, Y1
Heating
Start/Stop Circ. Pump, Y3
Cooling
Start/Stop Circ. Pump,Y1/3
Change-over
Start/Stop Circ. Pump, Y4
Extra Controller
Week schedule -
Unscheduled
Week schedule - Scheduled
Unit Status OK
Fan output PWM (Pulse-width modulation) signal and triac output are already pre-addressed to specific terminals and
cannot be changed, all other outputs are free for configuration by commissioning. Outputs are free to be used for any
purpose.
Digital outputs are restricted by signal type and physical number of connections.
An output function is only allowed to be used once. Already used and configured terminal is greyed-out in the menu for
output type selection.
Analog and digital outputs have a selection for Auto/Manual modes and an adjustable value for Manual mode.
Manual mode selection overwrites all system related automatic functions. Analog output adjustable manual value
range is 0–10V and digital output values On/Off.
Table 4 Overview of output configuration
Analog outputs
Output type
Auto/Manual
Value
3.5.6.3 Components
Configuration of connected components.
Heat Exchanger
• Choose heat exchanger type.
• Activate or deactivate passive house function if heat exchanger type Rotating is selected.
Options: Yes / No.
• Choose bypass damper location if heat exchanger type Plate is selected. Default setting is based on unit type.
Supply / Extract
• Set actuator type. Default setting is based on unit type.
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.
Automatic indication about prohibited external fan control (i.e. if defrosting is
activated).
Start/Stop signal to the circulation pump of the Heating/Cooling/Extra controller.
Digital output signal activated during unscheduled week period.
Digital output signal activated during scheduled week period.
Digital output signal is activated if there are no active or unacknowledged alarms.
Digital outputs
Output type
Auto/Manual
Value
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