TFC 097A, User Manual

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Temperature Span Selection
Span is the temperature difference between the turn on temperature
and turn off temperature. For example, if you set temperature to 20
ºC and span to 1ºC, the heater will operate when the room tempera-
ture drops to 19.5 ºC and turns off when the temperature rises to
20.5 ºC. Set the DIP switch (position 1 & 2) according to your selec-
tion of temperature span as the following diagram.
Battery Installation
Your thermostat is using two (2) “AA” size batteries to operate. To
power-up the unit, insert two “AA”
batteries into the battery compartment
of the front cover. When power is
applied for the first time, the display
must show time and the day as well as
the ambient temperature (for example
28.5 ºC) as follows:
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