Mechanical water meters Mechanical water meters WFK30.. WFW30.. Mechanical meter for measuring consumption of cold and hot water ● ● ● ● Continuous flow Q3 2.5 m3/h or 4 m3/h Optional radio and M-bus add-on modules Any mounting position (horizontal or vertical) Displays cumulated consumption Smart Infrastru

Use The impeller type cold and hot water meter is compact in design and used to correctly acquire physical cold or hot water consumption. The meter consists of a flow element and a totalizer. Functions The compact, mechanical impeller water meter is used on drinking water (cold or hot) and consists of a flow element and a totalizer with display. The flow measuring section is made of brass and includes a sieve at the input to collect larger dirt particles. The water flows through the flow measuring section to drive the single-jet impeller. The flow value is transmitted using a magnetic clutch...

Type summary The water meters have the following common features: Type Rated pressure Cold water meters Designation Order number Q3 = 2.5 m3/h Mounting length 80 mm connecting thread G ¾", up to 30 °C Q3 = 2.5 m3/h Mounting length 110 mm connecting thread G ¾", up to 30 °C Q3 = 4 m3/h Mounting length 130 mm Connecting thread G 1", up to 30 °C Order number Q3 = 2.5 m3/h Mounting length 80 mm connecting thread G ¾", up to 90 °C Q3 = 2.5 m3/h Mounting length 110 mm connecting thread G ¾", up to 90 °C Q3 = 4 m3/h Mounting length 130 mm Connecting thread G 1", up to 90 °C Order number M-bus add-on...

Adapter pieces Designation Order number Extension set 80 mm G ¾" to 110 mm 1", consisting of: 2 adapter pieces G ¾" to G 1" 2 flat gaskets 2 mm, 1" Extension set 110 mm G ¾" to 130 mm JXF: WZM-V130 G ¾" consisting of: 1 extension 27 mm 2 flat gaskets 2 mm, ¾" 1 gasket made of copper ¾" x 1.5 mm Extension set 110 mm G ¾" to 165 mm JXF: WZM-V165 G ¾", consisting of: 1 extension 27 mm 1 extension 42 mm 2 flat gaskets 2 mm, ¾" 1 gasket made of copper ¾" x 1.5 mm Extension set 110 mm G ¾” to 190 mm JXF: WZM-V190 G 1", consisting of: 2 adapter pieces from 110 mm G ¾" to 190 mm G 1" 2 flat gaskets 2...

Programming accessories Designation Order number Readout and parameterization software Infrared read head (with USB interface) Triggering tool for radio telegrams Ordering When ordering, please provide the quantity, description, type, and stock no. Designation Order number Mechanical water meters Product documentation Topic M-bus add-on module M-bus add-on module for water meters Add-on radio module Add-on radio module for water meters Mounting instructions Mechanical water meters Product inserts Two flat gaskets, a seal with sealing wire, and mounting instructions in the following languages...

Device sealing After mounting the meter, seal all components to prevent tampering (observe national regulations): ● Flow measuring section with fitting (inlet) ● Add-on module with adhesive seal Add-on modules An external add-on module (WFZ31 or WFZ661) can be attached to any series WFx30.. meters. To do this, proceed as follows: 1. Remove cover from the water meter 2. Attach the add-on module and adhesive seal The modules do not affect acquisition of consumption data and can therefore be retrofitted at any time. Maintenance Install only calibrated water meters. Comply with all national calibration...

Technical data Cold/hot water meter Continuous flow Q3 Mounting length Connecting thread Meterological class ● Horizontal ● Vertical Overload flow rate Q4 Minimum flow rate Q1 ● Horizontal (R80) ● Vertical (R40) Transitional flow rate Q2 ● Horizontal (R80) ● Vertical (R40) Response threshold (typical) Measuring range ● Cold water meter WFK30.. ● Hot water meter WFW30.. Rated pressure Mounting position 8-digit totalizer Cumulative value in m3 Ambient conditions TransportaOperation Storage tion EN 60721-3-3 EN 60721-3-1 EN 60721-3-2 Climatic conditions Temperature Humidity Mechanical conditions

Standards, directives and approvals EU conformity (CE) Flow profile sensitivity classes Product standard Environmental compatibility Environmental Declaration CE1E5326 *) contains data on environmental-compatible product design and assessment (RoHS compliance, compositions, packaging, environmental benefits and disposal). Housing material Flow measuring section Totalizer Brass Plastic Housing colors Totalizer Weight Device packed complete with inserts *) Documents can be downloaded at http://siemens.com/bt/download.

Issued by Siemens Switzerland Ltd Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug +41 58 724 2424 www.siemens.com/buildingtechnologies Document ID © Siemens Switzerland Ltd, 2008 Technical specifications and availability subject to change without notice.