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Automatic Control Unit for a group of one-gear roof fans is manufactured to order. The unit is able to make evident breaks in electric circuits.
Safeguarded by three-field fuse element. Fuse element qL is adjusted for the motor power. F1 three-field fuse safeguard QM1 motor switch-off kM1 motor installation contactor H signalling light M2500 motor circuit breaker, activated for protection of the control transformer and control circuits T control circuits transformer SQ work type switch cam switch SQ1 switch confirming the work type change X spring clamp strip X1 insulated ramified terminal in the power circuit X2 insulated ramified terminal in the control circuit.
Automatic control unit for one-gear fan is to carry out the time control programme and to control the fan operation according the following conditions temperature, humidity and air flow speed in the ventilation duct.
One-gear roof fans Automatic control unit for a group of 4 roof fans with three-phase motors control voltage 24 V AC. One gear roof fans Automatic control unit for three-phase roof fan motor control voltage 24 V AC. Q0 motor circuit breaker included in the control transformer protection and to control circuits protection.
To switch on the selected work type, the operator must set the SQ1 switch confirming the work type in the same position that work type switch SQ. X1 insulated ramified terminals Drawing 5 One-gear roof fans Automatic control unit for a group of 4 roof fans with three-phase motors control voltage V AC.
The unit also connects the fan motor to the electric circuit, protects from the effects of short circuits, overloads, one phase operation.
The below diagrams present an example of controlling a group of 4 fans. Control circuit Safeguarded by one-field fuse element. In position 0 of the switch, the fan motor operation control is switched off. Current of electromagnetic trip activation [A]. Fuse element qL is adjusted for the motor power Safeguarded by three-field fuse element.
Built-in fuse has additional capacity of safeguarding the equipment against short circuits up to 50kA. Selection and value should match chart 1.
Fuse element qL is adjusted for the motor power M motor switch-off. Uniwersal Sp z o. The differentiated operating voltage values take into the account the power supply voltage for signal converter.
Equipment list F1 three-field fusible cut-out Q0 motor circuit breaker included in the control transformer m205 and to control circuits protection T control circuits transformer QM The customer must specified types of fans making the group and the type of the input signal converter. The switch-off safeguards the transformer and control. THE switchgear transparent door allows for controlling the motor switch activation and the position of operation mode connector.
One gear roof fans Automatic control unit for one-phase roof fan motor control voltage V AC. Equipment list F1 three-field fusible cut-out F01 one-field fusible cut-out of the control circuit QM Safeguarded by M switch-off with the range 0,4A. On the specification basis, the manufacturer will select proper equipment for gael self-acting control unit and specify the required protection settings with an electric diagram.
Safeguarded by one-field fuse element.