HomeMatic HM-CC-VD, Installation And Operating Manual

Page: 38 / 44

38
teach mode for teaching the valve drive to a room
thermostat.
In order to set the valve drive to teach mode, press
the channel button for longer than 3 seconds. The
antenna symbol on the display begins flashing.
Teach mode is exited after 20 seconds automatically
or after briefly pressing the channel button again.
The remaining teach mode time is shown on the
device display in seconds. If the teaching process
is underway, the antenna symbol is displayed conti-
nuously on the display.
6.5 Factory default setting
The valve drive can set to factory default setting at
any time. For that the button has to press for longer
than 10 seconds. Now all settings will become the
factory default settings. All partner ( room thermos-
tat, zentral unit) are canceled. The valve drive moves
back the control pin (E) completely and remains in
this state. The Display shows „A2“.