Spyder controllers can be used for any size commercial building that needs the power of a plant controller in the package of a unitary controller. Applications include single- or dual-duct variable air volume (VAV), complex room CO2 control, terminal fan speed, constant volume air handlers, VAV air handlers, heat pumps, unit vents, fail coils, or almost any room control requirement or unitary application. Features include programming flexibility and a selection of the number of inputs and outputs, removable terminal strips, color-coded input/output labels, internal real-time clock, and internal dc power supply. An optional integrated actuator is available. .

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