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Supply Air Temperature Monitoring
Set "TT= DA" in the advanced installer menu.
In this mode, the SMT‐770 will broadcast this sensor temperature value to ModBus
ONLY, this value is not used by the SMT‐770 nor is it displayed on the LCD. It is expected
that this information is used for supervisory functions or equipment control feedback.
Also, as this is an analogue input, by monitoring a switched resistor network your
supervisory software can decode a number of digital states.
Typical Drawings
The SMT‐770 has the capacity to control a wide selection of heating, cooling and air
conditioning systems. Using the 8 DIP switches and many installer software options, the
SMT‐770 is capable of providing many different control methods from its 5 fitted relays.
Examples of only the most common types of control wiring have been provided below.
You may need to modify these drawings slightly to specifically suit your individual
needs, alternatively contact Smart Temp at support@smarttemp.com.au or an
authorised distributor for installation information specific to your application.
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