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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




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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 inputs 5 (+ 3 with additional box) 5 (+ 3 with additional box)
Sensor inputs flow sensors VFS Grundfos Direct Sensor SIKA VTY20
Compatible room thermostat °CALEON / °CALEON Clima / RC20 / RC21 °CALEON / °CALEON Clima / RC20 / RC21
Relay outputs 230V 3 3
Relay output voltage-free 1 1
Outputs 0..10V or PWM signal 2x (0-10V/PWM) / 2x (PWM) 2x (0-10V/PWM) / 2x (PWM)
24VDC output for external devices up to 6W up to 6W
Number of applications 4 4
Extension of pre-defined systems
by selectable additional functions
LEDs red/green for display of operating status
Programmable thermostat times and functions per day 2×3 2×3
Comfort function for quick heating
Heating circuit with mixer 1 1
Heating circuit without mixer 1 1
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 card via Datalogger via Datalogger
Ethernet connection via Datalogger via Datalogger
Dimensions Height x Width x Depth in mm 163 x 110 x 51 163 x 110 x 51
Housing colour RAL 9003 RAL 9003
Protection Class IP40 IP40
Mounting Hardware, Spare Fuse and User Manual

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