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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.de/agb 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.

IM-HKM40-50_HK40-50-DE-W-UK-12-2019-Rev.1 | Part no. 10083684

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

© 2019 Watts

8  Disposal

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 pump 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.  

8.1  Return to manufacturer

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

8.2  Informing authorities and the manufacturer

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

9  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.de

.

Summary of Contents for HK40 Series

Page 1: ...HKM40 50 HK40 50 Series Pump units for distributing heating water in heating systems Installation and operating manual WattsWater de...

Page 2: ...facturer 12 9 Warranty 12 1 General information 1 1 Important notes about the Installation and Operating Manual The operator is responsible for ensuring adherence to the local laws and regulations e g...

Page 3: ...n Dimensions Width x height x depth with EPP shell 720 mm x 410 mm x 260 mm Weight DN40 DN50 HKM 40 50 Magna3 HKM 40 50 Stratos PARA HKM 40 50 without pump HK 40 50 Magna3 HK 40 50 Stratos PARA HK 40...

Page 4: ...dy to install The pump unit is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of specialist knowledge or experience 3 4 Foreseeable mis...

Page 5: ...ENGLISH 4 Construction HKM40 50 pump unit Compact design Thermometer on the ball valve 3 way mixing valve with actuator HK40 50 pump unit Compact design Thermometer on the ball valve Ball valve with...

Page 6: ...ke return 2 Ball valve supply 3 Circulation pump 4 Return inlet 5 Supply outlet 6 Return outlet 7 Supply inlet 8 3 way mixing valve 9 Actuator 10 Connecting pipe 4 2 HK40 50 1 Ball valve with gravity...

Page 7: ...e 1 screw fittings 130 Nm 2 screw fittings 190 Nm Requirements The fittings are preassembled at the factory however the tightness of the seal is to be checked before commissioning pressure test 5 2 St...

Page 8: ...parts must be carried out only by trained electricians Disconnect the power supply to the unit before carrying out any installation maintenance cleaning or repair work and secure it against reconnect...

Page 9: ...IM HKM40 50_HK40 50 DE W UK 12 2019 Rev 1 Part no 10083684 9 EN ENGLISH 6 Performance curve Pressure drop Flow rate with mixer with mixer Pressure drop for Pressure loss for Pressure drop Flow rate...

Page 10: ...Functional check Check the correct adjustment and operating and performance parameters Check for noisy operation Check with the user in the event of anomalies 3 Ball valves Check for correct operatio...

Page 11: ...open the ball valve using the lever 5 Slowly pressurise the pump unit and bleed the system if necessary 6 Check the seals on the pump unit are not leaking 7 Reconnect the power supply to the pump uni...

Page 12: ...the pump 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...

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