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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.

FRIWAC-IM-DE-W-UK-10-2021-Rev.0 | Part no. 10084532

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

11  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/

.

10  Disposal

!

!

 

WARNING

Improper disposal can lead to

contamination of the environment and groundwater!

 

h

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 domestic fresh water 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.  

10.1 Return to manufacturer

Contact the manufacturer if you wish to return the domestic 
fresh water unit or component parts.

10.2 Informing authorities and the manufacturer

Inform the manufacturer when decommissioning and disposing 
of the domestic fresh water unit for statistical purposes.

Содержание FRIWAC Series

Страница 1: ...FRIWAC Series Electronically controlled domestic fresh water unit Installation and operating manual translated from the original operating manual WattsWater eu ...

Страница 2: ...ing the instantaneous water heater principle Domestic fresh water units of the FRIWAC Series are available in the following variants FRIWAC WT26 and FIRWAC WT40 Compact space saving design EPP insulation shell Electronic draw off temperature control All system connections with 1 union nut flat sealing Stainless steel pipework 1 4 Scope of delivery Domestic fresh water unit with EPP insulation shel...

Страница 3: ...tronically controlled power settings The domestic fresh water unit is fully pre assembled and is designed for wall mounting The domestic fresh water unit is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of specialist knowledge or experience 2 4 Foreseeable misuse The following is regarded as foreseeable misuse operating the domestic...

Страница 4: ...x depth with EPP shell 450 x 355x 232 mm Weight FRIWAC WT26 approx 10 kg FRIWAC WT40 approx 12 kg Connections to pipe network All connections 1 union nut flat sealing Tightening torques for screw fittings 1 55 Nm Materials Fittings CW617N Pipes Stainless steel Ø27 mm Plate heat exchanger Stainless steel copper brazed Plastics impact resistant and temperature resistant Flat seals AFM 34 2 O rings E...

Страница 5: ...6 20 4 50 6 13 3 66 1 34 8 15 1 50 6 11 4 66 2 31 7 10 0 50 6 10 4 66 3 29 0 5 1 50 5 10 8 65 2 24 4 25 0 50 9 14 2 71 0 34 1 20 2 50 6 12 5 70 1 32 2 15 0 50 6 11 2 71 1 28 3 9 8 50 8 10 5 70 0 25 6 5 2 50 5 11 2 69 4 21 4 25 0 50 6 14 5 75 2 32 2 20 3 50 8 13 8 74 6 30 7 15 0 50 4 11 2 76 0 26 5 10 2 50 7 10 5 74 9 23 8 5 1 50 7 11 1 75 1 19 5 25 1 50 4 13 7 80 4 29 5 19 9 50 6 13 3 80 2 28 0 15...

Страница 6: ... 3 65 9 30 3 14 8 50 4 11 8 66 3 27 1 10 2 50 4 11 3 65 9 24 3 5 1 50 3 11 7 64 5 21 7 35 3 47 0 14 7 70 8 29 5 29 7 50 3 14 5 70 4 31 6 25 1 50 6 14 2 70 3 30 4 19 8 50 7 13 9 70 3 28 1 14 8 50 5 13 1 70 1 25 5 10 2 50 5 12 8 69 8 23 4 5 1 50 4 13 1 69 4 20 6 35 1 50 6 14 2 75 0 31 5 30 5 50 3 13 4 74 8 29 8 25 2 50 4 12 6 75 9 27 4 19 9 50 4 11 6 75 5 25 3 14 8 50 6 10 9 75 2 23 6 10 3 49 8 9 9 ...

Страница 7: ... 10 000 1 000 Pressure loss mbar Pressure loss mbar Volume flow rate l h Volume flow rate l h Fig 5 1 FRIWAC WT26 primary circuit pressure loss diagram Fig 5 1 FRIWAC WT26 secondary circuit pressure loss diagram Total pressure loss FRIWAC WT26 Primary circuit Total pressure loss FRIWAC WT26 Secondary circuit 1 10 100 1 000 10 100 1 000 10 000 ...

Страница 8: ...r Volume flow rate l h Volume flow rate l h Fig 5 3 FRIWAC WT40 primary circuit pressure loss diagram Fig 5 4 FRIWAC WT40 secondary circuit pressure loss diagram Total pressure loss FRIWAC WT40 Primary circuit Total pressure loss FRIWAC WT40 Secondary circuit 1 10 100 1 000 10 100 1 000 10 000 5 2 FRIWAC WT40 pressure loss diagram ...

Страница 9: ...9 FRIWAC IM DE W UK 10 2021 Rev 0 Part no 10084532 EN ENGLISH 6 Dimensions 420 85 60 85 353 72 102 165 165 375 355 103 150 G 1 G 1 Fig 6 1 FRIWAC domestic fresh water unit dimensions ...

Страница 10: ...erature sensor 4 Supply sensor primary circuit beneath insulation 5 Circulation pump 6 Control systems 7 Vent valve A Heating supply primary circuit 1 union nut B Heating return primary circuit 1 union nut C Hot water outlet secondary circuit 1 union nut D Cold Hot water inlet secondary circuit 1 union nut B 1 2 5 D A C 4 6 7 Fig 7 1 FRIWAC domestic fresh water unit component overview 3 ...

Страница 11: ... and water worksheet W551 are to be observed Ensure the various pump units domestic fresh water unit heating circuit unit are hydraulically separated We recommend flushing equipment is installed upstream and downstream of the plate heat exchanger in the primary and secondary circuits for descaling or cleaning if necessary When using galvanised pipework and fittings observe the installation sequenc...

Страница 12: ...off valves items A and B 2 Open the vent valve item 2 by turning the vent key item 1 anticlockwise and keep it open until air is no longer escaping C B D A Primary circuit Secondary circuit 2 1 Fig 8 4 Domestic fresh water unit connection and venting procedure CAUTION Damaged circulation pump due to dry running The circulation pump is running before the domestic fresh water unit has been vented h ...

Страница 13: ...peration Check with the user in the event of anomalies 3 Ball valves Check for correct operation of shut off valves and ball valves 4 Pump Be aware of noise build up in the pump 5 Post maintenance checks Check all loosened screw connections for a firm seating and retighten if necessary Remove all tools materials and other equipment used from the work area Vent the system 9 2 Replacing wear parts N...

Страница 14: ...ed 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 Ter...

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