Johnson ICEBERGCP Guide D'utilisation page 76

Home page 2:
If the WATER FLOW TEMP. is set NON and ROOM TEMP. is set
YES, the system has the functions including space heating, space
cooling and domestic hot water, home page 2 will appear:
DHW mode is set available
The wired controller should be installed in the room to
detect the room temperature.
Without DHW function
or DHW mode is set
unavailable
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V.1