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KNOW THIS BEFORE INSTALLING

INSTRUCTIONS

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You need a minimum of 10” (25cm) of exposed pipe.

For optimal water treatment, YARNA is best installed near 

the water meter or at the main water supply. Make sure you 

have access to a power outlet. Our power adapter has 5ft 

(1.5m) of cable.

Different installation positions are possible. You can install 

the main unit vertically, horizontally or at any other angle.  

Please observe different placement examples, shown in the 

images to the right. Leave a minimum safe distance of at 

least ½" (1 cm) between the two impulse bands. 

The main unit can be installed on the wall or directly to the 

pipe. To secure it to the wall use the screws and anchors 

provided in the box. To mount it on the pipe run the zip ties 

through the top and bottom holes of each side of the main unit. 

The position of the main unit relative to the pipe is not 

important. You may also install the unit over the impulse bands.

Each impulse band has a total length of 59“ (150cm). For 

limited pipe space you need to wind at least 9 turns for each 

band for the product to be effective. For unlimited pipe 

space it is recommended to wrap as much  of the impulse 

bands as possible. 

In case of limited space, the windings can be placed partly on 

the main pipe and partly on the distributor pipe. All these 

different installations are possible because the treatment 

impulses extend over several meters to either side of the pipes. 

The unit is effective up to 1.2 miles from the installation point 

along with your pipe system. Depending on ambient 

temperatures this effect can last up to 7 days after water exits 

your pipe system. Minerals remain in the water as ions. This 

prevents the lime-scale to stick to your skin or solid surfaces.

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Min 1/2” (1cm)

Between Bands

Secure the main unit either to the wall by using the screws inside or 

directly onto the pipe using the plastic zip ties.

Wind the impulse band around the pipe producing a coil. Make sure 

you wind the band tightly to the pipe and place the windings close to 

each other. Latch the end of the impulse band to the pipe using another 

zip tie. Now repeat steps 2 and 3 with the second impulse band.

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Use a zip tie to secure the impulse band to the pipe.

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Time to power up the unit. First plug the power adaptor to the main unit, and 

then connect the power supply to an electrical outlet. The power adapter 

has a LED light that must be visible. The main unit has two white diagnostic 

lights that will come on,  showing that both impulse bands are operating 

normally. Your YARNA water softener works from now on maintenance-free.

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YARNA CWD30 | WWW.YARNA.COM | 

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