Uponor Smatrix Base PRO Gateway Module R-147
KNX
The KNX module enables communication between an
Uponor Smatrix Base PRO system and a standard KNX
bus.
Main characteristics:
• Enables useage of either Uponor or KNX
thermostats in the system.
• Access to setpoints for every room.
• Access to readout of room and floor temperatures.
• Access to alarm monitoring.
• Access to heat curve in Uponor Smatrix Move PRO
controller (if connected to a Base PRO system bus).
• Enables usage of standard KNX system for Comfort/
ECO and heating/cooling switch.
Components of the KNX module:
The illustration below shows the KNX module and its
components.
Uponor actuators are mounted on top of the manifold
valves and is operated using either on/off signals or
pulse width modulation (PWM) signals.
On/off control
When installing a system with on/off control, manual
balancing of the system is required.
As soon as the temperature measured at a thermostat
is lower (heating mode) or higher (cooling mode) than
the setpoint temperature, a demand to change the
room temperature is created and sent to the controller.
The controller will open the actuators according to
current operating mode and other settings. Once the
set temperature is reached, this information is sent
and the actuators are closed. The indicator window on
the actuator shows, with a white bar, how much it is
opened. If the window is completely filled with white
it is fully opened, no white bar shown means that the
actuator is closed.
Time to open and close an actuator is 1 minute.
PWM control
PWM control is used when the Autobalancing function
is active.
When installing a system with PWM control, all
balancing valves can be fully opened, the system is
balanced automatically.
NOTE!
Autobalancing can be used in combination
with hydronic balancing.
See section 3.5 Functions > Autobalancing for more
information.
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