Evolution Aqua NEXUS 220, Installation And Instruction Manual

Page 1: ...gdom WN5 0LP t 44 0 1942 216554 f 44 0 1942 418 489 e info evolutionaqua com w www evolutionaqua com UK English NEXAUTO1131216MAN IMPORTANT PLEASE READ We recommend that all electrical work on your Nexus Automatic System be done by a suitably qualified electrician PRIOR TO INSTALLATION MANUALLY CLEAN YOUR FILTER ...

Page 2: ... not be submerged in water Always hold a component part securely Never hold any component parts by their wires alone Young children should always be supervised near water Disposal Of Your Old Product Your product is designed and manufactured with high quality material and components which can be recycled and reused When this crossed out wheeled bin symbol is attached to a product it means the prod...

Page 3: ...th this easy to install kit Please read this instruction manual carefully from start to finish before attempting to install your Nexus Automatic System CONTENTS Parts list PAGE 04 Installation diagrams PAGE 06 Advice prior to installation PAGE 08 Installing the Inlet Valve Assembly PAGE 10 Fitting the control box PAGE 12 Fitting the Air Valve Control box PAGE 14 Connecting air lines PAGE 16 Instal...

Page 4: ...Inlet valve assembly seal not fitted Only supplied for GRAVITY FED installs not supplied with Pump Fed models 2 Non return valve Only supplied for PUMP FED installs not supplied with Gravity Fed models GRAVITY FED MODELS ONLY PUMP FED MODELS ONLY EA CODE K25 50 100 3 Automated waste valve 4 Control box 4 ...

Page 5: ... according to installation 6mm 3mm 5mm 3mm 3mm 5mm 3mm 3mm 5mm 3mm 3 Core Mains Cable Length according to installation 6mm 3mm 5mm 3mm 3 Core Mains Cable Length according to installation 6mm 3mm 5mm 3mm 3 Core Mains Cable Length according to installation 6mm A B C D E F G H I 5 Located inside the cardboard box divider 6 Fixing kit Qty x 1 Control box mount bracket A Qty x 5 Fixing screw inserts B ...

Page 6: ...lve assembly Air valve control box To mains power To air pump To circulating pump Control box Control box mount bracket Automated waste valve Depending on your installation it is advisable to fit a non return valve not supplied on your return pipework after the circulating pump See page 22 We recommend that all electric work on your Nexus Automatic System be done by a suitably qualified electricia...

Page 7: ...nd that all electric work on your Nexus Automatic System be done by a suitably qualified electrician NEXUS PUMP FED AUTOMATIC SYSTEM INSTALLATION Illustration below shows the recommended installation of a Nexus Automatic System on a PUMP FED Nexus 300 310 or 320 and Nexus 200 210 or 220 manufactured after 2006 NOTE Inlet valve assembly is not needed Air valve control box To mains power To air pump...

Page 8: ... air lines connected to the Eazy and the Bio Chamber in your Nexus are diverted via a T Piece connector and are controlled by Air Valves You will need to disconnect this T Piece and the airline up to the valves We recommend that you leave the Air Valves and Air Lines to the Eazy and Bio Chamber in place simply disconnect the T Piece and leave both Air Valves in the OPEN position at all times Disca...

Page 9: ...INSTALLING THE NEXUS AUTOMATIC SYSTEM 9 Some component parts are pre wired together Do not hold any of the component parts by the wires alone It is advisable for two people to carry out the installation ...

Page 10: ...t valve assembly into the correct location If required use a sash clamp to squeeze the Nexus inlet together to fit the inlet valve assembly It may be necessary to drain part of the Nexus to enable easier fitting NOTE The foam seal should not be fitted to the valve at this stage 3 With the assembly in position use the 3 holes in the top of the inlet plate assembly as a guide and drill 6mm holes thr...

Page 11: ...en key screw the 3 hex socket screws into the fixing inserts and tighten up 6 Ensure all edges of the inlet valve assembly are completely dry Peel off the backing tape from the foam seal then proceed to fit the foam seal around edge of the outer blade on inlet valve assembly The seal must be centrally aligned Trim off any excess length Seal Edge 11 View from inside the Eazy View from inside the Ea...

Page 12: ...se 2 x 10mm self tapping screws to fit the stainless steel mounting bracket onto the back of the control box to allow the control box to be mounted to the Nexus These are the 2 inner holes on the stainless steel bracket that align with the box mounts 3 Hold the Nexus Automatic control box in the position you want it located on the Nexus Now use a marker pen to make 2 marks where the screw holes ar...

Page 13: ...ng inserts into the holes you have just drilled using the 5mm allen key Tighten inserts until flush with the surface 6 Fix the control box onto the Nexus using the pan head hex socket screws and the 3mm allen key 13 ...

Page 14: ... box to allow access to fixing locations NOTE Keep the 4 screws and O Rings safe for re fitting later 3 Place the Air Valve Control Box as shown Make sure the air line to the Eazy sits between the Actuator and the stainless steel plate on the inlet valve assembly 4 To fit the Air Valve Control Box in this position drill 4 pilot holes using the 3mm drill bit through the 4 plastic panels in the base...

Page 15: ...crew the box onto the Nexus Use a pozi drive screwdriver to tighten the 4 screws up 500mm Air line 6 Use the 4 screws and O Rings you removed in Step 2 to tighten up the lid on the Air Valve Control box 7 The Air Valve Control Box is fitted into position ready for air line installations 15 ...

Page 16: ...el cover on the Inlet Valve Assembly 2 CONNECTING AIR LINE TO THE BIO CHAMBER The piece of air line supplied in the box Item 7 should be connected to the Air Control Valve port labelled Air to Bio Chamber This needs to be fed through the hole in the Nexus inlet and connected up to the Air Valve fitted to the outer chamber wall of the Nexus 3 CONNECTING AIR LINE TO THE AIR PUMP Take the existing le...

Page 17: ...RLINE TO EAZY Factory fitted Supplied in box Not supplied AIRLINE TO BIO CHAMBER AIRLINE TO THE AIR PUMP IMPORTANT The air pump MUST be positioned above the water level on both GRAVITY FED and PUMP FED installations This is to avoid any possibility of back siphoning 17 ...

Page 18: ...sure the waste valve on the Nexus is in a closed position Mark 1 Mark 2 INSTALLING THE AUTOMATED WASTE VALVE ONTO THE WASTE PIPEWORK 3 Taking the Automated Waste Valve unscrew both union ends off the automated waste valve 4 Use a pencil or pen to mark the waste pipework in line with one end of the ball valve minus the end cap Then measure 100mm along the pipe and make a second mark 18 Inlet valve ...

Page 19: ...ghten both ends up MARK 100mm MARK 6 Clean and dry the pipe thoroughly Ensure the union nut is over pipe prior to gluing the insert flange Apply solvent weld glue to one of the cut ends of the pipe and fit the flange onto the pipe TIP We recommend a wet and dry PVC glue be used for gluing the flanges 8 Mark the unglued flange position on the pipe with a pencil or marker pen 10 Ensure the union nut...

Page 20: ...mber to the Eazy to clean the media After the media inside the Eazy has been cleaned the automated waste valve opens Eazy is drained to waste and inlet valve opens for a final flush of the Eazy The automated waste valve closes Air is diverted back from the Eazy to the bio chamber Circulating pump is switched back on Nexus returns to filtration mode Adjustable timer kicks in to start a cleaning cyc...

Page 21: ...ng cycle so as to exchange water in line with this FOR EXAMPLE the Nexus 320 Automatic Cleaning cycle will send around 200 litres of water to waste If your pond is 14000 litres then it would need 7 cleaning cycles per week to do a 10 water change so the Nexus Automatic System should be set up to clean on a daily basis once per day To alter the timer see SETTING THE TIMER The Nexus Automatic System...

Page 22: ...he non return valve is to prevent water going back to the pond Please ensure the non return valve is fitted in the correct direction with the arrow on the non return valve pointing towards the filter and not the pump We recommend that the pond pump is raised off the bottom of the pond as per the Nexus filter installation instructions This will prevent the pond from emptying completely in the event...

Page 23: ...ports in the block labelled MAINS as per the pump wire 2 With the box front open familiarise yourself with the connectors inside 4 Use an electrical screw driver to tighten up the Earth Live and Neutral wires into the corresponding coloured connectors in the PUMP block 6 Your connections should now look like this Now re fit the lid by tightening up the 4 plastic screws on the outer casing of the c...

Page 24: ...to push any buttons to start an Automatic Clean The frequency of cleaning is factory set to cycle once every three days This time period can be easily adjusted by changing the CYCLE TIMER located inside the control box Once an Automatic Clean is initiated we advise that you allow the cleaning cycle to run from start to finish However in unexpected circumstances by interrupting and restarting the p...

Page 25: ...ER SET SCREW A AT LESS THAN 1 h SCREW B This screw sets a fine division within the coarse scale EXAMPLE To enable the Nexus Automatic System to clean your Nexus once every 3 days SCREW A points to 10 d a coarse period of 10 days and SCREW B points to 30 30 This instructs the timer to carry out 1 clean every 3 days DIGIT DISPLAYED ON TIMER DESCRIPTION USAGE 1 s 1 second DO NOT USE 10 s 10 seconds D...

Page 26: ...TTING THE CYCLE TIMER TO HAVE YOUR NEXUS CLEANED MORE THAN ONCE PER DAY TO HAVE YOUR NEXUS CLEANED BY DAY TO HAVE YOUR NEXUS CLEANED BY WEEK FACTORY DEFAULT SETTING If you do not want to have your Nexus cleaned once every 3 days as is factory set you can alter the cleaning frequency to suit your needs Simply turn SCREW A and SCREW B to point to the different digits using the sequences shown in the...

Page 27: ...ovided to tidy up the cables from the control box START UP Switch on your air pump Check air is getting to the bio chamber making the media agitate as per normal Nexus moving bed Switch on mains supply to the control box Check circulation pump is running The green light on the front of the control box labelled Filtration Mode will be illuminated Push the Manual Clean button on the control box to i...

Page 28: ...ation Check the wiring is correctly installed Seek advice from a suitably qualified electrician if in doubt Check the mains connection to the control box Seek advice from a suitably qualified electrician if in doubt Check the fuses inside the control box These are located alongside the timer blocks within their own hinged compartments The fuses are all standard glass fuses 10 Amp 5 Amp 2 Amp 2 Amp...

Page 29: ...ot cover the Nexus filter this system is installed on Do not attempt to tamper with the Nexus Automatic System components other than as directed in this instruction manual as doing so will invalidate the warranty The manufacturer or supplier shall not be responsible or held liable for any damages caused by defective components or materials of this product or for loss incurred by interruption of se...

Page 30: ...ted in this instruction manual as doing so will invalidate the warranty The manufacturer or supplier shall not be responsible or held liable for any damages caused by defective components or materials of this product or for loss incurred by interruption of service or any consequential incidental damages and expenses arising from the production sale use or misuse of this product or any other conseq...

Page 31: ... us to disclose your details and other personal information to other companies within the Evolution Aqua group including any subsidiary company or subcontractor of Evolution Aqua for the purposes of performing our obligations under the warranty Evolution Aqua Ltd may contact you in the future with product updates or offers which may be of interest to you If you do not wish to receive this informat...

Page 32: ...Evolution Aqua Ltd Evolution House Kellet Close Wigan Lancashire United Kingdom WN5 0LP t 44 0 1942 216554 f 44 0 1942 418489 e info evolutionaqua com w www evolutionaqua com ...