Operating and functions of the HR 40
Control elements and display (see Fig. E)
(1) Handwheel for adjusting temperature or time
(2)
button for changing between automatic and manual operation
AUTO
MANU
(3)
button for setting the comfort and economy temperatures
(4)
button for setting the timer programme
PROG
(5) Operating mode: automatic, manual or programme
(6) Heating time in hours
(7) Comfort or economy temperature or frost protection
Changing the room temperature with the handwheel
The handwheel allows you to change the setpoint temperature at any time. This
setting will apply up until the next programmed heating or economy period. When
the handwheel is turned the display shows the preset setpoint temperature.
There is no stop on the handwheel. When you turn the wheel clockwise it
passes through the following settings:
Display
and
Locking the handwheel (child-proofing)
• Press
and
AUTO
MANU
The display then shows the message
Unlocking the handwheel:
• Press
and
AUTO
MANU
Setting
Heating valve closed, frost protection active
Current preset temperature (possible range)
Heating valve fully open
buttons simultaneously for 2 sec.
buttons again simultaneously for 2 sec.
.
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