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BWT’s Perla brings a new era of comfort! – modern, pleasant and intuitive as never before. This BWT brand-new softener has Double Luxury Water power thanks to two exchange medium columns, so you can enjoy silky, softened water around the clock, 7 days a week without interruption. This means, when one exchange medium column is exhausted, the second automatically takes over and continues the process. The BWT Perla also has an adaptive parallel operation which helps it achieve the maximum peak water flow of up to 53 litres a minute! This means you can enjoy BWT’s silky, soft Luxury Water for longer, without interruption and from multiple taps throughout the house and at the same time.
• Stylish and impressive performance
• 100% connectivity via GSM, WLAN, LAN and the BWT Best Water Home app
• Self-​monitoring using the auto-​check function
• Multi-​info touch display
• Including AQA Guard floor sensor, AQA Watch & AQA Safe valve. Extra available: AQA Stop
• Free Commissioning
The BWT Perla operates according to your water usage patterns, for example the amount of Luxury Water you use in one day is considered. The water flow is adapted to meet the demand when going through the two exchange medium columns that are filled with ion. This operating mode ensures maximum availability of Luxury Water whilst also minimising the risk of inactivity in the two columns. The only time this does not occur is during the regeneration process.
BWT’s Perla is a duplex water softener that operates through an ion exchange process. During the ion exchange process calcium and magnesium ions are removed from the water and replaced with sodium ions. This results in zero limescale and silky, soft BWT Luxury Water. The two columns are filled with an organic ion exchange medium (resin).
Thanks to the optimised brine preparation process, it takes less than half an hour to produce only as much brine as is needed for regeneration. The brine collects in a special recess of the regenerating medium tank, from where it is drawn. Once the brine has been drawn, the regenerating medium tank no longer contains any liquid. An ultrasound sensor in the lid measures the fill level of the regenerating medium and displays it as a percentage of availability in the BWT Best Water Home app and on the device display.
The BWT Perla operates according to your water usage patterns, for example the amount of Luxury Water you use in one day is considered. The water flow is adapted to meet the demand when going through the two exchange medium columns that are filled with ion. This operating mode ensures maximum availability of Luxury Water whilst also minimising the risk of inactivity in the two columns. The only time this does not occur is during the regeneration process.
The regeneration process takes place at night (when less water is used) where only one column softens the water whilst the other is used for regeneration. If capacity usage drops below 50% before the time it is usually checked (before normal regeneration) then proportional regeneration starts immediately.
BWT’s Perla safety system provides comprehensive protection for your home against water damage. BWT Perla protects your home from water damage with 3 safety systems:
• AQA Guard floor sensor(s): Up to 10 sensors monitor moisture on the floor (direct protection against, for example, a ruptured washing machine hose).
• AQA Stop: Indispensable leak protection, in case of a major leak, is included free of charge. If the AQA Guard sensor detects moisture, AQA Stop cuts off the water supply in the house.
• AQA Watch: An alarm function that alerts you when prolonged low flow rates are exceeded.
Available at an extra cost, it is the perfect way to ensure your new Luxury water softener is perfectly set up for you, your home, your lifestyle and your local water conditions. Set up correctly your new Luxury Water softener will adapt to your normal water usage. This ensure that you have copious amounts of silky soft Luxury Water and minimises your water and salt usage. BWT’s @ Home Commissioning also provides the perfect opportunity for you to ask any questions.
For everybody looking for the best Luxury Water
 Water Softener | Type | BWT Perla |
 Nominal connection width | DN | 32 |
 Connection type | DN | G 11/4″ |
 Nominal capacity in accordance with DIN EN 14743 min./max. | mol (m3 x °dH) | 2 x 1.1 (2 x 6.2) |
 Capacity / kg of regenerative in accordance with DIN EN 14743 | mol | 4.3 |
 Peak flow with closed blending | m3/h | See Manual |
 Peak flow when blending from 20°dH to 0°dH | m3/h | 1.0 |
 Nominal flow in accordance with DIN EN 14743 | m3/h | 3.2 |
 Nominal pressure PN | bar | 10 |
 Min./max. operating pressure | bar | 2 to 8 |
 Pressure drop at operating flow | bar | 0.2 |
 Area of application according to DIN 1988-200 | Residential units People | 1 to 5 2 to 12 |
 Ion exchange material fill quantity | l | 2 x 3.2 |
 Supply of regenerative, max. | kg | 32 |
 Regenerative consumptionper 100% regeneration, approx. | kg | 0.25 |
 Rinsing water consumption per 100% regeneration at 4 bar, approx. | l | 21 |
 Rinsing water flow during regeneration, approx | l/h | 170 |
 Duration of 100% regeneration per ion exchange tank, approx. | min | 21 |
 Water temperature, min./max | °C | 5 – 25 |
 Ambient temperature, min./max. | °C | 5 – 40 |
 Humidity | Non Condensing | |
 Power supply | V/Hz | 230 /50 -60 |
 Unit voltage | VDC | 24 |
 Power during operation | W | 5.6 |
 Power during regeneration, max. | W | 40 |
 Fault message output, max. | VDC/A | 24 /0.5 |
 Protection class | IP | 54 |
 Operating weight if filled to max. | kg | 80 |
 Shipping weight, approx. | kg | 36 |
 Production number | PNO | 6-500138 |