Danfoss TP5000 si range Installation And User Instructions Manual page 26

To access User Advanced Programming
GB
Press and hold V and PROG for 3 seconds. This will take you into
User Advanced Programming. Use + and - keys to scroll backwards
and forwards between options then Λ and V keys to change option
settings. The fl ashing digit on the right hand of the display indicates
the number of the selected option.
Option 1 - Enable or disable A/B programming
(option 41 set to 5+2)
This enables or disables the A/B programming option.
Press + until Option 1 is displayed, use Λ and V to
select required setting.
Setting 0
Setting 1 Enabled: activates A/B programming
Option 3 - Calendar clock rules
This establishes the rules that the automatic calendar
clock follows to calculate changes between summer
and winter time. Press + until Option 3 is displayed,
use Λ and V to select required setting
Setting 0 Disabled.
Setting 1
Setting 2 European rules. (Factory Setting)
Setting 3 USA rules (2007 onwards)
Setting 4 USA rules (pre-2007)
Option 4 - Time zone off set
This feature allows the time zone to be established
and corrects time display. Press + until Option 4 is
displayed, use Λ and V to select required setting
Setting 0
Setting 1
-12 Hours +14 Hours
Rest of World: use Λ and V keys to select off set from Universal time
(GMT) for the location in which the thermostat is being installed.
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Disabled, unit operates as 5+2 or 24 hour product
depending on installer settings (factory setting)
Manual: user must change using + to advance and - to
retard displayed time.
UK models: this feature should be left at the factory setting
of 0.
Central European time models: this feature should be left
at the factory setting of +1:00.