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SFWC for Heat Interface Units

Fresh water controller for heat interface units with precise control for fast hot water valves and additional warm-keeping function
for summer operation.

Der Regler für kleine Frischwasserstationen mit drehzahlgeregelter Hocheffizienzpumpe.



Inputs (24VAC/DC)

Outputs (24VAC/DC)


Menu Languages


SFWC for Heat Interface Units SFWC (24VAC/DC) for Heat Interface Units Wohnungsstationen
Sensor inputs PT1000 3 3
Sensor inputs for Grundfos VVX / VFS / RPS sensor 1 1
Relay outputs 230V 1 1
Outputs 0..10V or PWM signal
for speed control of high-efficiency pumps
1 2x 0-10V/PWM

1x PWM

Number of applications 1 1
Statistics and graphic analysis of data memory
Flow based heat metering via Grundfos direct sensor (VFS)
Battery-backed Real Time Clock > 24h
Time and Temperature-controlled circulation pump switch
Anti-legionella function
Setup wizard
Discharge protection
Function control and error memory with date and time
Menu blocker
Power supply for universal voltage range (100…240VAC) and reduced standby consumption
Dimensions Height x Width x Depth in mm 115 x 86 x 45 115 x 86 x 45
Housing colour RAL 9003 RAL 9003
Protection Class IP40 IP40
Mounting Hardware, Spare Fuse and User Manual


Previous versions:


PC Simulation

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Where to buy

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