MANUAL FOR PUMP C0NTROLLER 703 Contents: General information 3 Ultrasonic measuring system 3 Hydrostatic measuring system 3 Amplifier 703 4 Mounting 4 Electrical connection 5 Dimensions 6 Specifications 6 Maintenance 6 Orderingnumbers 6 Ultrasonic sensor 7005 7 Pressure transmitter 7050/7060 8 M703GB/9607 Page 1
CE – CERTIFICATE OF CONFORMITY This product complies with the requirements concerning electromagnetic compatibility (EMC) stipulated in Council directive no. 89/336/EEC of 3rd May 1989, altered at directive no. 92/31/EEC, on the approximation of the laws of the Member States relating to electromagnetic compatibility. MJK Automation A/S declare that the product complies to the values stipulated in EN 50081-1 and EN 50082-1.
General Information The MJK 703 Pump Controller is a compact unit designed for the control of liquid levels in 2-3 pumps or valves between four variable level settings. The Pump Controller has 3-digit continuous display of level measurements. Ultrasonic Measuring System The ultrasonic sensor has a moulded-in piezoelectric crystal which emits an ultrasonic signal and receives an echo signal from the surface measured.
the alarm indicator for ERROR will be lit. When an error is detected, the pump controller will prevent the pumps from running. The detected error can be set to activate one of the output relays, see futher in section "Selection of output signals". Amplifier 703 Operation The Pump Controller is operated by means of a display selector which can be set to a number of positions for the reading of level values during operation, as well as for resetting.
Electrical Connection 703U Ultrasonic Pump Controller Controloutput 1 pump/ valve Supply Controloutput 2 pump/ valve Alarm high level Alarm low level mA-output 0-20/4-20mA Controloutput 2 pump/ valve Alarm high level Alarm low level mA-output 0-20/4-20mA Ultrasonic sensor 703P Pressure Pump Controller Supply Controloutput 1 pump/ valve Pressure transmitter Examples Installation with 2 pumps, high and low alarm Installation with 3 pumps (2 operational and 1 stand-by) Page 5
Dimensions Specifications Amplifier 703 Measuring range: Voltage: Consumption: Temperature: Input signal: Accuracy: Outputs: Analog: Digital: Inductive load: Indication: Operation: Dimensions: Materials: CE: Housing: Maintenance The amplifier and the ultrasonic sensor does not demand any particular maintenance. When cleaning the presure transmitter, care must be taken not to damage the membrane. Ordering Details: Part no.: Specification: 201020 703U-1111 Ultras. Pump Control.
Where a sensor is mounted above an obstruction ex. a concrete deck, we recommend that it should be installed as shown below: Ultrasonic sensor 7005 Mounting The sensor is mounted near the top of the well or container where no tubes or cables obstruct the path between the sensor and the surface of the liquid. The maximum distance between the sensor and the surface of the liquid must not exceed 10 m.
Specifications Pr essur e transmitter Pressur essure 7050 / 7060 Pressure Transmitter 7050 or 7060 Measuring ranges: 0-10m Pressure Transmitter 7050-1413,(absolute press.
