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The descriptions and photographs contained in this product specification sheet are supplied by way of information only and are not binding. Watts Industries reserves the right to carry out any 

technical and design improvements to its products without prior notice.

Warranty: all sales and contracts for sale are expressly conditioned on the buyer’s assent to Watts terms and conditions found on its website at www.wattswater.eu/gtc/ Watts hereby objects 

to any term, different from or additional to Watts terms, contained in any buyer communication in any form, unless agreed to in a writing signed by an officer of Watts.

KLSC20-KLSC25-KLSC32-IM-DE-W-UK-08-2021-Rev.0 | Part no. 10084836

Watts Industries Deutschland GmbH

Godramsteiner Hauptstr. 167 • 76829 Landau • Germany

Tel. +49 6341 9656 0 • Fax +49 6341 9656 560

[email protected] • www.wattswater.de

© 2021 Watts

10  Warranty

WATTS products are tested extensively. WATTS therefore 
guarantees only the replacement or, at the sole discretion 
of WATTS, the free-of-charge repair of components of the 
supplied products where these, in the opinion of WATTS, 
exhibit verifiable manufacturing faults. Warranty claims due to 
defects or defects of title may be asserted within one (1) year 
of delivery/transfer of risk. Excluded from the warranty are 
damages attributable to normal use of the product or wear 
and damages resulting from modifications or non-authorised 
repairs on the products, for which WATTS rejects all claims 
for compensation (direct or indirect). (For more detailed 
information, please refer to our website.) In all cases, supply 
is subject to the General Terms and Conditions, which can be 
found at 

www.wattswater.eu/gtc/

.

9  Disposal

!

!

 

WARNING

Improper disposal can lead to contamination

of the environment and groundwater!

When disposing of components and operating materials, 
the provisions and guidelines of the country of use must be 
observed.

1.  Make sure the current to all subassemblies and components 

has been disconnected.

2.  Remove the boiler charging unit in the correct way or 

engage a specialist company to do this.

3.  Separate the subassemblies and components into 

recyclable materials and operating materials.

4.  Dispose of the subassemblies and components in 

accordance with local laws and provisions or take them to 
a recycling facility.  

9.1  Return to manufacturer

Contact the manufacturer if you wish to return the boiler 
charging unit or component parts.

9.2  Informing authorities and the manufacturer

Inform the manufacturer when decommissioning and disposing 
of the boiler charging unit for statistical purposes.

Summary of Contents for KLSC Series

Page 1: ...5 and DN32 boiler charging units with electronic fixed point control for systems with solid fuel boilers Installation and operating manual translated from the original operating manual WattsWater eu K...

Page 2: ...orms to the 2006 42 EC machinery directive 1 3 Product features Stable wall bracket with fixings 3 part patented EPP insulation shell Compact space saving design Contents 1 General information 2 1 1 I...

Page 3: ...ful substances The boiler charging unit is fully pre assembled and is designed for wall mounting The boiler charging unit is not intended for use by persons including children with reduced physical se...

Page 4: ...Boiler top 1 M flat sealing 1 2 M flat sealing 2 M flat sealing Tank bottom 1 M flat sealing 11 2 M flat sealing 11 2 M flat sealing 2 x screw fitting top connection 1 1 2 union nut x 1 F 2 union nut...

Page 5: ...DE W UK 08 2021 Rev 0 Part no 10084836 EN ENGLISH 4 Pressure loss diagram 1 10 100 1 000 100 1 000 10 000 100 000 Pressure loss mbar Volume flow rate l h KLSC20 KLSC25 KLSC32 Fig 4 1 Pressure loss dia...

Page 6: ...5 14 343 5 65 Rp1 Rp1 65 65 G1 G1 G1 G1 G1 G1 90 71 71 10 293 7 G1 G1 300 125 12 5 15 342 5 310 370 232 G1 G1 125 300 370 240 5 240 5 217 12 5 14 343 5 65 Rp1 Rp1 65 65 G1 G1 G1 G1 G1 G1 90 71 71 10...

Page 7: ...6 2 KLSC25 and KLSC32 construction 1 Ball valve with gravity brake1 return 2 Ball valve supply 3 Circulation pump 4 Actuator including regulator 5 3 way mixing valve 6 Bypass pipe 7 Wall bracket 8 Sen...

Page 8: ...ng unit may only be installed and commissioned by specialist personnel who have been duly trained and authorised by the manufacturer CAUTION When carrying out repairs and replacing parts the prescribe...

Page 9: ...charging unit vertically on the wall 7 For KLSC25 and KLSC32 only Fix 2 screws into the wall plugs 8 Remove the thermometer handles B and the intermediate insulation C 9 Connect the supply and return...

Page 10: ...s now on the right hand side 5 Loosen the connection to the ball valve rotate the return line and then tighten the connection to the ball valve again 6 Remove the end cap from the 3 way mixing valve a...

Page 11: ...e thermowell and the end cap 3 Rotate the pump and the return ball valve by 180 degrees 4 Loosen the nut on the supply ball valve and rotate by 180 degrees Remove the actuator from the 3 way mixing va...

Page 12: ...a firm seating and retighten if necessary Remove all tools materials and other equipment used from the work area Bleed the system 8 2 Replacing wear parts Note that the boiler charging unit has parts...

Page 13: ...lve by turning the thermometer handle B 5 Reconnect the power supply to the boiler charging unit 6 Remove the thermometer handles B 7 Fit the intermediate insulation C thermometer handles B and front...

Page 14: ...e may be asserted within one 1 year of delivery transfer of risk Excluded from the warranty are damages attributable to normal use of the product or wear and damages resulting from modifications or no...

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