HCC Fresh

Weather-compensated heating circuit controller with fresh water function for heat interface units. Optionally with cooling function, circulation pump control, warm-keeping function and systemwide DHW priority function.


HCC Fresh VFS Inputs

HCC Fresh VTY Inputs




Menu Languages


OEM service: We’ll happily contribute with our 10+ years experience in developing fresh water systems, and support you in the initial adjustment of all control parameters to your stations – for quick and precise tapping temperatures in every common tapping situations.

Sensor inputs5 (+ 3 with additional box)5 (+ 3 with additional box)
Sensor inputs flow sensorsVFS Grundfos Direct SensorSIKA VTY20
Compatible room thermostat°CALEON / °CALEON Clima / RC20 / RC21°CALEON / °CALEON Clima / RC20 / RC21
Relay outputs 230V33
Relay output voltage-free11
Outputs 0..10V or PWM signal2x (0-10V/PWM) / 2x (PWM)2x (0-10V/PWM) / 2x (PWM)
24VDC output for external devicesup to 6Wup to 6W
Number of applications44
Extension of pre-defined systems
by selectable additional functions
LEDs red/green for display of operating status
Programmable thermostat times and functions per day2×32×3
Comfort function for quick heating
Heating circuit with mixer11
Heating circuit without mixer11
Domestic hot water function with operating times
Circulation of domestic hot water with operating times
Hot water standby
DHW Priority
Antilegionella function
Setup wizard
Anti-freeze protection
Seizing Protection
Function control and error memory with date and time
Error memory and analysis with date and time
Menu blocker
CAN bus connection
Data logging on microSD cardvia Dataloggervia Datalogger
Ethernet connectionvia Dataloggervia Datalogger
Dimensions Height x Width x Depth in mm163 x 110 x 51163 x 110 x 51
Housing colourRAL 9003RAL 9003
Protection ClassIP40IP40
Mounting Hardware, Spare Fuse and User Manual

Previous versions:


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Where to buy

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