
Technical Data
Model Symondo Box Heatingcircuitcontrollerforsurfaceheatingandcooling
Temperaturecontrollerclass
(ErP)
8
Energyefficiency(ErP) 5%
Standbyloss 0,5W
Requesttypeinvertibleheat
pump
"On/off"and/or"modulating"
Electrical specifications:
PowerSupply 230VAC(+/-5%),50-60Hz
Powerconsumption/standby 0,5-2,5W/0,5W
Internalfuse1 1 (Pos.A,left)2Aslow250V
FuseprotectionforterminalareaAandelectronics
Internalfuse2 1 (Pos.B,right)4Aslow250V
FuseprotectionforterminalareaB-I
ProtectionClass IP20
Protectionclass/overvoltagecategory II/II
Inputs Quantity Measuringrange/design
1-Wiretemperaturesensor
powered,3-wiresystem
upto20pieces -55°C...125°C(3poleversion)
Outputs
Switchingrelayoutputs 11
Relayheatpump 1 230VAC,4A,(AC1920VA,AC3185W)
Relayactuator 8 230VAC,4A,(AC1920VA,AC3185W)
Relayadditionalfunction 2 Potential-freemax.4A
PWMoutput 1 for10kΩworkingresistance1kHz,level10V
0-10Voutput 1
0-10V/PWM 1(switchable)
+Voltageoutputs24VDC 3 totalmax.12Wforexternaldevicese.g.SymondoController
Interface
Fieldbus 2x CANbus(separatebuildingCANbusandprivateCANbus)
Max. Cable Length
1-WireSensors Cablelengthoftheentiresystem100m,usesuitabletwistedpaircable
EspeciallywhenusingSymondoSensor,ensuresufficientconductorcross-
sectiontoavoidimpermissiblevoltagedropsee"Connectionexample
SymondoSensor"onpage15.
CAN <3m;at>=3m,ashieldedtwistedpaircablemustbeused.Isolateshielding
andconnectittotheprotectiveconductorofonly oneofthedevices.Max.
cablelengthofthecompletesystem200m.
0-10V/PWM <3m
24VDC <30m
mechanicalrelay <30m
Permissible Ambient Conditions
duringoperation 0°C-40°C,max.85%rel.humidityat25°C
fortransport/storage 0°C-60°C,nomoisturecondensationpermitted
Other Specifications and Dimensions
HousingDesign multi-partABS
InstallationMethods DINrailmountingorwallmountingonDINrail
Overalldimensions 95mmx303mmx57mm
Lightdiode 14xLEDgreen
RealTimeClock RTCwith24hourpowerreserve
Operation viaSymondoController
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