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Declarations When this pump unit is used as a stand alone pump it complies with: Machinery Declaration of Directive 98/37/EC EN60204-1, Low Voltage Directive 73/23/EEC EN61010-1, EMC conformity Directive 89/336/EEC, EN50081-1/EN50082-1. Declaration of When this pump unit is to be installed into a machine or is to be assembled with other Incorporation machines for installations, it must not be put into service until the relevant machinery has been declared in conformity with the Machinery Directive 98/37/EC EN60204-1.
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Installation The 604U is suitable for single phase mains electricity supplies only. To ensure correct lubrication of the gearbox the pump should be run only while its feet are standing on a horizontal surface.
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Rear panel recess The pump rear panel recess houses the following: 1 Signal offset potentiometer 2 Tachometer switch 3 Fuse holder 4 Terminal block 5 Voltage selection switch 6 Signal range potentiometer 7 Signal overload LED. Troubleshooting Should the pump fail to operate, make the following checks to determine whether or not servicing is required. •...
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Automatic operation • Set the Auto/Manual/Max switch to Auto. For all auto and remote control operations, the drive is supplied with a 6 pin waterproof connector. Watson-Marlow part number UP0035 Correct assembly of the connector plug is essential or the ingress protection standard will be compromised.
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Calibration procedure Ensure the correct wiring of the 6 pin plug and insert the plug into the socket at the rear of the pump. • Remove the rear panel window. • Turn the signal offset potentiometer clockwise until the slider traverse limit is reached and is signified by a clicking noise.
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Care and maintenance The only scheduled maintenance required for the 604U/R is inspection of the motor brushes and their replacement before their length is less than 6mm. The life of the brushes will depend on the duty of the pump, but is expected to be a minimum of 4,000 hours at maximum speed.
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Installation Remove the top half casing from the drive. Pass the switched guard wires on the track through the front panel of the drive and connect to the terminal blocks. Replace horizontal, front and back panel case gaskets to ensure the IP55 ingress protection standard is not compromised.
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Tube loading Isolate drive from the mains supply. If the pump is not switched off before the pumphead guard is raised, a switch on the guard will cut off power to the motor. This switched guard is a safety back-up system and must not be used as the primary on/off switch for the pump. Open the pumphead guard and fit one end of the tube into the bottom adjustable clamp.
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Product use and decontamination declaration To comply with the UK Health & Safety at Work Act and the Control of Substances Hazardous to Health Regulations you, the user, are required to declare the substances which have been in contact with the product(s) you are returning to Watson-Marlow or any of its subsidiaries or distributors.
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