TP9000
22
GB
PL
GR
ES
GB
Option 11 - Start-up method
Your thermostat can start up the system in three
diff erent ways. Press + until Option 11 is displayed,
use Λ and V to select required setting.
Setting 0 Normal: Heating is turned up or down at the programmed
times.
Setting 1 Optimum start control (OSC) (or Comfort Setting): This
allows you to programme the time at which you would
like to be up to the required temperature. The thermostat
then calculates how soon before the required time
the Heating is turned up. This will vary with weather
conditions ranging from a maximum of 120 minutes to 0
minutes before the programmed event time. This setting
must be used together with option 12 to match the
optimiser setting to the building in which it is installed.
Setting 2 Delay start (or Economy Setting): This is an alternative to
OSC. Set the event times in the normal way taking into
account the time that the building takes to heat on an
average day. The thermostat monitors switch on time,
actual temperature and wanted temperature and delays
the start of the Heating if the actual temperature is close
to the programmed temperature.
Option 12 - Optimum start control pre-heat setting
(Option 11 set to 1)
Press + until Option 12 is displayed, use Λ and V
to select required setting (only active if Option
11 is set to 1).
The optimum start control must be adjusted to match the building
energy characteristics. Use the Λ and V keys to selected the required
pre-heat period. The table below suggests typical settings.
If the building fails to reach temperature on time, increase the setting
by 15 minute steps each day until the correct setting is found.
If the building reaches temperature ahead of time, decrease the
setting by 15 minute steps each day until the correct setting is
found.
0:15
15 mins, warm air systems, well insulated building.
0:30
30 mins, warm air systems, well insulated building.
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