Contents General Information & Operating Conditions........3 Pump Diagram..................4 Installation....................5 Installation Instructions................6 Fault Finding.....................7, 8 Maintenance & Repair................9, 10 *When discarding this product please take it to your local recycling centre. BES Limited is committed to compliance with the WEEE directive.
General Information & Operating Conditions The following instructions take you through the installation and operation of this Cura circulator. This is a 4 mode modulating pump enabling the you to set it based on system demand. Our domestic models have connection sizes of 1 ½”, a maximum head of 6 metres and a port to port distance of 130mm.
Installation Instructions • Only install the pump after all soldering work has been completed and, if necessary, the pipe system has been flushed through. • Install the pump in a readily accessible place for easy inspection and dismantling. The direction of flow is indicated on the pump body.
Fault Finding Before starting any work on the pump please accidentally switched back on at any time Fault Pump doesn’t run (continued) Remedy Cause Replace fuse supplying the A) Blown fuse pump/heating system Check electrical connection B) Inadequately connected power supply Replace pump C) Pump is defective Disconnect and clean...
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Fault Pump doesn’t run Remedy Cause Vent the system A) Air in the system Reduce the speed B) Pump speed too high Fault Noise in the pump Remedy Cause Let the pump run, it vents itself A) Air in the pump over time Increase the inlet pressue B) Inl...
Maintenance & Repair Bleed Screw Speed III Attention: Ensure the pump is fully vented before first time operation...
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Head Screw Attention: The pump liquid may be scalding hot under high pressure. Before removing head screws the system either requires draining, or the pump needs to be isolated...
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*Instructions apply to: 26568, 26570 & 26573 *The benchmark for the most e cient circulators is EEI ≤ 0.20...
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