The basic function of this device is of the multiple thermostat, suitable for the livestock sector and greenhouses, with seven configurable relays an one alarm relay. The VK-8RZ controller is designed to connect by contactors up to seven groups of ventilation. The reference temperature (set temperature) is chosen that defines the moment, till which the first group of ventilation will be connected (timed or not). The temperature differences for activation of the other groups are chosen by equal steps, or setting independent connection temperature for each.
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