Installation Guide CF-MC Master Controller
10
01/2016
VIUHK902
Danfoss Heating Solutions
7. Replacing/Resetting the CF-MC Master Controller
7.1 When?
If the CF-MC Master Controller in an existing CF2
+
system is
reset
to factory settings or
replaced
with
another CF-MC Master Controller, it is necessary to reset all the other CF2
+
system components also,
in order to be able to re-install them to the reset or replaced CF-MC Master Controller.
7.2 How?
Note!
Only “Reset” the CF-MC Master Controller to factory settings if the normal in- and uninstallation
procedures can not be followed!
Resetting the CF-MC Master Controller (fig. 20/22):
• Disconnect the 230 V power supply to CF-MC Master Controller until the power LED is OFF.
• Press and hold at the same time menu selection button , OK button , and output selection
button .
• Reconnect the 230 V power supply to CF-MC Master Controller and release the three buttons
when the power LED and all the output LEDs are ON.
• The CF-MC Master Controller is reset when all output LEDs goes OFF.
Resetting the CF-RS, -RP, -RD and -RF Room Thermostats (fig. 27):
• Remove the Room Thermostat from the back plate and disconnect one of the batteries .
• Press and hold the push button (Link test) and reconnect the battery .
• Release the push button when the red LED has been On and Off again.
• The Room Thermostat is now reset and ready for installation to a CF-MC Master Controller.
Resetting the CF-RC Remote Controller (fig. 28):
• At the same time, activate soft key 1 , soft key 2 and the down selector .
• The CF-RC Remote Controller requests confirmation before resetting.
• Confirmation with “yes” Resets the CF-RC Remote Controller and it is now ready for installation to
a CF-MC Master Controller.
Resetting the CF-RU Repeater Unit (fig. 29):
• Disconnect the CF-RU Repeater Unit from the 230 V power supply.
• Press and hold the push button (Link test) and reconnect the 230 V power supply.
• Release the push button when the red LED has been On and Off again.
• The CF-RU Repeater Unit is now reset and ready for installation to a CF-MC Master Controller.