Selecting Operating Mode - Danfoss 103 Installation And User Manual

Selecting operating mode

The Rocker Switch on the side of the unit is used to select how
your 103 controls your hot water & heating system. You can
manually select either:
  hot water & heating follow set programmed
 hot water & heating constantly ON 
  hot water & heating constantly OFF
Switch positions
TIMED - system follows
set programme
The 103 unit is now set,
and the current status of
the timeswitch can be seen
on the wheel at the top
righthand corner of the unit,
(e.g. "OFF UNTIL C").
System OFF
CONSTANT - system remains
permanently ON
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