Low hysteresis temperature
Uponor uses a low hysteresis temperature for best
performance of the system. It is used for high control
accuracy by deciding when to start and stop heating
and cooling, based on information from sensors and
setpoint values.
Heating/cooling offset
Uponor uses an offset temperature to adjust the
setpoints when switching between heating and cooling.
This improves the performance of the system and
reduces the need of manual setpoint adjustments when
switching between heating and cooling.
The default value is set to 2 °C and is used to increase
the setpoints when switching to cooling. When
switching back to heating, the value is used to reduce
the setpoint.
Relative humidity function
To avoid condensation when having a cooling system, it
is recommended measuring the relative humidity (RH)
in the rooms. The relative humidity is measured with
one or more thermostats (with RH sensor).
Uponor Smatrix Wave
Cooling is shut off for the whole system if the RH
reaches a “worst case level” of 80% in one of the
thermostats (if more than one).
Cooling will start again when the relative humidity falls
below 76%.
Uponor Smatrix Wave PLUS
Cooling is shut off on a per room basis when the relative
humidity limit is reached (set in the interface, default
75%). If a dehumidifier is installed, one per controller
using a relay module, it will be activated when the
dehumidifier start limit is reached.
Cooling will start again and the dehumidifier is
deactivated when the relative humidity falls below a
hysteresis set in the interface (“Deadzone”, default
5%).
Pump management (Wave PLUS with
interface only)
Each controller in a system has a pump relay, to which
one pump can be connected. If a pump is connected, it
is automatically set in common mode. Use the interface
to change the setting if needed. Available settings are
Common, Individual and H/C switch.
Common mode:
Relay status is set on a system wide basis. One pump
per system is connected (to the master controller only).
If there is a demand in one room of the controllers, the
main pump is started.
Individual mode:
Relay status is set on a controller basis. One pump per
controller is connected. If there a demand in a room,
only the pump connected to that controller is started.
H/C-switch:
Use the relay as a heating/cooling output. A circulation
pump cannot be connected to the controller using the
PUMP connector.
If more than one controller is available in the system,
and the circulation pump settings in the interface is
set to Common. The PUMP connector on the other
controllers can be used for heating/cooling output
signal.
Relay module (optional):
When using relay module M-161 to control a pump, the
mode of the pump control is set through the interface.
Actuator management
Actuator management prevents too many actuators to
be open at the same time in order to reduce the peak
power need. Peak current can be reduced by delaying
the opening of some actuators, as they use most current
while being opened.
Up to eight actuators in up to six rooms can be opened
at the same time. Additional actuators are queued and
opened in order.
Heating fall back
If the connection to a thermostat is lost, the
corresponding loop cannot be regulated using the air
temperature. The controller then activates a fall back
function for the affected loop and the actuators are
operated with a set interval.
The function is activated until the thermostat is
reconnected.
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UPONOR SMATRIX WAVE/WAVE PLUS · INSTALLATION AND OPERATION MANUAL
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