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1 tubra®-eTherm
• Increase in self-consumption of the PV system
• Environmental protection and reduction of heating costs
• Store excess PV current as regenerative thermal energy
• Optimisation of solar current feed-in
• Can be fitted to all central heating and hot water systems
• One solar system for current and heat
Technical data controller
Inputs: 4 Pt1000 temperature sensors, 2 digital switching inputs
Outputs: 3 semiconductor relays, 1 potential-free extra-low voltage relay, 1 PWM output
PWM frequency: 512 Hz
PWM voltage: 10.8 V
Switching capacity:
1 (1) A 240 V~ (semiconductor relay)
1 (1) A 30 V⎓(potential-free relay)
Total switching capacity: 3 A 240 V~
Power supply: 100 … 240 V~ (50 … 60 Hz)
Supply connection: type Y attachment
Standby: < 1 W
Mode of operation: type 1.B.C.Y action
Rated impulse voltage: 2.5 kV
Data interface: VBus®, MicroSD card slot
VBus®current supply: 60 mA
Functions: controlling a hydraulic group and electric heater for using excess PV cur-
rent for heating a store, internal backup heating, external backup heating, S0 Excess, S0
Heating, Smart Remote, external load, inverter
Housing: plastic, PC-ABS and PMMA
Montage: integrated in the station
Indication / Display: full graphic display, control LED (Lightwheel®) and background
illumination
Operation: 2 push buttons and 1 adjustment dial (Lightwheel®)
Protection type: IP 20 / EN 60529
Protection class: I
Ambient temperature: 0 … 40 °C
Degree of pollution: 2
Dimensions: 110 x 166 x 47 mm
Technical data measuring unit
Inputs: 3 current inputs for CT, 3 voltage inputs
Outputs: 2 digital S0 impulse outputs
Power supply: 100 … 240 V~ (50 … 60 Hz)
Supply connection: type Y attachment
Standby: < 1 W
Rated impulse voltage: 1.0 kV
Data interface: VBus®
Functions: energy measuring unit
Housing: plastic, PC (UL 94 V-0)
Mounting: DIN rail in the domestic distribution board
Indication / Display: 2 operating control LEDs
Protection type: IP 20 / EN 60529
Protection class: II
Ambient temperature: 0 … 40 °C
Degree of pollution: 2
Dimensions: 71 x 90 x 58 mm
Technical data power unit
Inputs: 1 PWM input, 1 0-10 V input
Outputs: 3 semiconductor relay
Total switching capacity: 16A 250 V~
Power supply: 220 … 240 V~ (50 … 60 Hz)
Supply connection: type Y attachment
Standby: < 1 W
Mode of operation: type 1.C.Y action
Rated impulse voltage: 2.5 kV
Data interface: VBus®
Functions: controlling an electric heater for using excess PV current for heating a store
Housing: metal
Mounting: integrated in the station
Protection type: IP 10 / EN 60529
Protection class: I
Ambient temperature: 0 … 40 °C
Degree of pollution: 2
Dimensions: 225 x 130 x 95 mm
