Danfoss
Ltd
Ampthill Road
Bedford, MK42 9ER
Tel: 01234 364621
Fax: 01234 219705
Email:
ukheating
@danfoss.com
Website: www.
heating.
danfoss.co.uk
Fig.4
Fig.5
Fig.6
3. Ensure that the installer has removed the protective tape covering
the pre-selector wheel.
4. Using the dial knob, rotate the dial completely at least twice,
clockwise only, to clear the mechanism.
Using the Programmer
The Rocker Switch on the side of the unit is used to select how your 102
controls your hot water & heating system. You can manually select either:
hot water only (Fig.4)
hot water & heating together
(Fig.5)
neither, system OFF (Fig.5)
The 102 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”). Fig.6
User Overrides
The pre-selector wheel can be used to override the set programme on
occasions when you need to change from your normal heating routine.
By turning the wheel
anti-clockwise
you can turn the unit ON when it
is OFF and vice versa (Fig.7).
Example:
Your programme is set so that your heating comes on at 4pm but
you arrive home earlier than usual, at 2pm and need the heating ON
immediately.
Turn the wheel anti-clockwise until it displays ON UNTIL ‘D’ as
shown.
Thus the system is turned ON manually at 2pm but will revert to the
set programme at the next operation (i.e. OFF at 11pm)
Some other useful pre-selections are:
ALL DAY ON (1 ON/1 OFF)
Turn the Wheel to display “ON UNTIL D”.
ALL DAY OFF
Turn the Wheel to display “OFF UNTIL A”.
Note: Do not operate the pre-selector whilst a tappet is close to the
TIME mark. This may cause the time of day setting of the clock
to be altered, and the time would then need to be reset..
hot water
only
System
OFF
heating &
hot water
together
Fig.7
