Proven auto­mat­ic back­wash sys­tem with new func­tions


The swim­ming pool fil­ter sys­tem must be reg­u­larly back­washed. Filtered dirt is led into the sewage sys­tem and the fil­ter mater­i­al is loosened. This main­tains the water qual­ity and avoids rising energy costs due to increased fil­ter res­ist­ance. The pro­cess can be car­ried out manu­ally on manu­al back­wash valves or you can leave this neces­sity to our reli­able and time-sav­ing BADU Omni­Tron­ic. Since March 2019, the auto­mat­ic back­wash sys­tem offers a range of addi­tion­al func­tions for con­veni­ent pool oper­a­tion.

The BADU Omni­Tron­ic starts reg­u­lar fil­ter oper­a­tion daily at the same time and auto­mat­ic­ally car­ries out weekly back­wash­ing. An altern­at­ive oper­at­ing mode offers the pos­sib­il­ity of set­ting the times indi­vidu­ally for all oper­at­ing modes.

Since March 2019, back­wash­ing with the BADU Omni­Tron­ic has also been pos­sible at 6-hour inter­vals. Thus, it can also be used for example in koi carp ponds. A very short rinse time of only five seconds min­im­ises the water con­sump­tion.

Up to now, fil­ter con­trols, level con­trols or pres­sure switches could be integ­rated into the BADU Omni­Tron­ic. A pres­sure switch is offered as an option. The inform­a­tion can be trans­ferred spe­cific­ally to dos­ing sys­tems with the set­ting “FIL: P“. Since spring, the auto­mat­ic back­wash sys­tem is sup­plied with two addi­tion­al relays and now has even more poten­tial to per­form addi­tion­al func­tions.

The BADU Omni­Tron­ic can be used to couple the house heat­ing pump with the cir­cu­la­tion pump and thus con­trol the swim­ming pool water heat­ing. The tar­get tem­per­at­ure and oper­at­ing times for heat­ing oper­a­tion are adjustable. The same applies to swim­ming pool water heat­ing via sol­ar pan­els. The auto­mat­ic back­wash sys­tem con­trols the sol­ar sys­tem ball valve and locks when the set max­im­um tem­per­at­ure is reached. In the case of speed-con­trolled pumps, this can also be used to increase the speed for the oper­a­tion of sol­ar absorbers, which are usu­ally posi­tioned high­er up. In order to cool the pool if neces­sary, a heat exchanger can also be integ­rated into the auto­mat­ic sys­tem.

The two new relays offer the pos­sib­il­ity of integ­rat­ing house heat­ing and the sol­ar sys­tem in par­al­lel. The heat­ing ensures the desired min­im­um tem­per­at­ure and the sol­ar sys­tem also heats the pool water to the desired max­im­um value.

The frost pro­tec­tion set­ting is worth­while for out­door pools that are not emp­tied in winter. When a crit­ic­al tem­per­at­ure is reached, the cir­cu­la­tion mode is triggered in order to pre­vent the swim­ming pool water freez­ing.

Reli­able error out­put is now also pos­sible: Either an error mes­sage is sent to the mas­ter con­trol or a dir­ectly con­nec­ted sig­nal horn with light is activ­ated. If prob­lems occur, an acous­tic sig­nal sounds at a select­able inter­val.

The micro switch used to meas­ure the angle of the valve pos­i­tion has been replaced by a mag­net­ic angle sensor. Thus the exact pos­i­tion of the valve can be called up at tenths of a degree at any time. Fur­ther­more, main­ten­ance work no longer risks dam­age to the new com­pon­ent, as it can be eas­ily removed using plug­gable ter­min­als.

If the mech­an­ics of the BADU Omni­Tron­ic are over­loaded e.g. by con­sid­er­able con­tam­in­a­tion, the teeth of the small gear wheel can become deformed. A clat­ter­ing noise makes the dam­age aud­ible. This weak point pre­vents dam­age to high­er qual­ity parts and parts installed deep­er. Our emer­gency set con­tains a spare gear for this case. To replace it, simply loosen two screw con­nec­tions, remove the motor and replace the gear by pulling it off and plug­ging it on. Do not for­get to remove the cause (e.g. dirt) from the valve!

For 2020, we are already work­ing on an extern­al option: bat­tery pack + con­vert­er, which resets the valve to the fil­ter pos­i­tion in the event of a power fail­ure and thus pre­vents the pool from run­ning empty. In addi­tion, the devel­op­ment of a con­duct­ive sensor for level con­trol is also under­way. The elec­trode flow between two stain­less steel sensors can­not be mech­an­ic­ally blocked, as with pre­vi­ous float sys­tems. A con­duct­ive sensor avail­able on site is con­nec­ted to an addi­tion­al plug-in cir­cuit board that is already avail­able and can in future be integ­rated into the BADU Omni­Tron­ic. Fur­ther­more, the soft­ware will also be exten­ded for the con­nec­tion of a dry run pro­tec­tion (e.g. paddle switch) in auto­mat­ic mode.

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SPECK Pumpen Verkauf­s­gesell­schaft GmbH
91233 Neunkirchen am Sand, Ger­many

BADU | Domest­ic and indus­tri­al tech­no­logy | Aquacul­ture


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