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TH303
15
1
Fan
Place at Yes if you have a fan-forced heater (to prevent premature burnout of the motor). Leave at No for
better temperature regulation if you do not have a fan-forced heater.
2
Away temperature
Set the temperature you wish to use when the thermostat is in Away mode (see page 10).
3
Daylight Saving Time
When the Daylight Saving Time function is enabled (On), the thermostat automatically switches to Daylight
Saving Time on the second Sunday of March and to normal time on the first Sunday of November.
4
Early Start
Early Start is used in Automatic mode only. When Early Start is enabled (On), the thermostat determines
when to start heating so the desired temperature is attained at the beginning of Wake and Return periods.
When Early Start is disabled (Off), heating starts only at the beginning of Wake and Return periods; thus
there is a delay before you reach the desired temperature.
Configuration parameters (cont’d)
400-303-000-C EF (4.5 x 3) ENG.fm Page 15 Friday, June 19, 2009 9:28 AM