The IQeco31, 35 and 38 are terminal unit controllers for use with BACnet over MS/TP. They can communicate with other IQecos over the BACnet MS/TP network, and with Trend networked devices by way of a BINC. They have from 10 to 18 I/O channels, and can be supplied either fully programmable or with a fixed strategy.
The IQeco can be purchased either as a fully programmable unit, or with a fixed strategy. The strategy defines its HVAC equipment interaction. Fixed strategy units can be reconfigured with a different strategy from a defined class of strategies within the strategy library.
The IQeco standard strategy controls a fan coil units heat/cool outputs, and electronically commutated fan, in response to a thermistor temperature sensor with a local setpoint knob and a local switch input (window contact, pushbutton, or Passive Infra Red movement detector input). The WR4 strategy is for waterside 4 pipe units controlling 2 raise/lower (floating point) valve actuators. The strategy is designed to work with TB/TS Trend Thermistor Room Sensors. The strategy supports the fitting of a WMB Room Display module without further configuration.
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