SIKA VVX15 Operating Instructions Manual
Vortex flow sensors
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Summary of Contents for SIKA VVX15
- Page 1 Operating manual ..........page 2 – 15 Vortex Flow Sensors VVX...
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Page 2: Table Of Contents
Exclusion of liability We accept no liability for any damage or malfunctions resulting from incorrect installation, inappropri- ate use of the device or failure to follow the instructions in this operating manual. - 2 - © SIKA • Ba_VVX_us • 09/2024... -
Page 3: Safety Instructions
Safety Instructions Safety Instructions Read the operating manual carefully. Follow all instructions to avoid personal injury and prop- erty damage. Intended use The Vortex flow sensor VVX must only be used for measuring and metering water and aque- ous solutions. WARNING The Vortex flow sensors of the series VVX are no safety components in accord- ance with Directive 2006/42/EC (Machine Directive). -
Page 4: Installation
IMPORTANT Bubble formation and cavitation in the medium can cause sensor malfunction and must be avoided. Cavitation is strongly dependent on the medium, flow rate and medium temperature. SIKA recommends the following minimum system pres- sures. Recommended minimum system pressure... - Page 5 In order to achieve the highest possible measuring accuracy, straight inlet and outlet pipes with an appropriate inner diameter should be used (VVX15 = 0.5 in • VVX20 = 0.75 in • VVX25 = 1 in • VVX32 = 1.3 in • VVX40 = 1.6 in) of the device should be used.
- Page 6 7.3 ft lb 12.5 ft lb 22.1 ft lb 44.2 ft lb ⎔ = Width across flats Tighten both union nuts. When tightening, counter the hexagon of the device with a wrench. - 6 - © SIKA • Ba_VVX_us • 09/2024...
- Page 7 Installation 2.2 Mounting With QuickFasten IMPORTANT Observe the mounting dimensions of the VVX ( p. 15). Observe the dimensions of the inlet and outlet ( p. 15). Use only suitable O-rings of the right size (1.01 x 0.14 in). ...
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Page 8: Electrical Connection
Connection cable Matching connection cables with female connector M12x1 are available in a various lengths as SIKA accessories. The maximum length of the connection cable is 32.8 ft. Shielded con- nection cables are not necessary. Shielded connection cables are not necessary. - Page 9 *2: Do not wire the push-pull switch outputs of multiple VVX devices in parallel. *3: Recommended pull-up / pull-down resistance R ~5 kΩ. 3.1.2 VVX With Temperature (Optional) NTC / Pt 1000 NTC / Pt 1000 (only VVX15 / VVX20 / VVX25) Temp ϑ ϑ Temp Temp If Pin 2 has been assigned by another function.
- Page 10 Flow Push-Pull + current 4…20 mA: +U (≤+U Flow Flow R1 ≤ 47 Ω / R2 ≥ 10 kΩ Recommendation for resistance R ~5 kΩ 3.1.6 VVX With Frequency Output and IO-Link Flow IO-Link - 10 - © SIKA • Ba_VVX_us • 09/2024...
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Page 11: Commissioning And Measuring Operation
Commissioning and Measuring Operation Commissioning and Measuring Operation IMPORTANT Before the first commissioning, check whether the measuring system has been vented by flushing. 4.1 Measuring Operation Type VVX15 VVX20 VVX25 VVX32 VVX40 Output signal characteristics Flow frequency output : Pulse rate / K-factor... - Page 12 Depending on the version, this is an NTC or Pt1000. For the VVX with analog output (0.5...3.5 V), the voltage signal U-Temp can also be meas- ured. The scaling of the output is indicated on the type plate. - 12 - © SIKA • Ba_VVX_us • 09/2024...
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Page 13: On-Site Test
The device consists of various different materials. It must not be disposed of with household waste. Take the device to your local recycling plant return the device back to your supplier or to SIKA. * WEEE reg. no.: DE 25976360 Technical changes reserved... -
Page 14: Technical Data
1½“ NPT 2“ NPT male • male QuickFasten *1) Only with attached coupling 7.2 Materials in Contact With Media Type VVX15 • VVX20 • VVX25 VVX32 • VVX40 Component Tube Brass CW724R Stainless steel 40 % glass fiber reinforced 1.4581... - Page 15 Technical Data 7.3 Dimensions VVX threaded version VVX QuickFasten ⎔ ⎔ ⎔* Dimensions [in] Thread version VVX15 1.57 0.51 0.79 3.45 ½ - 14 NPT M12 x 1 0.75 VVX20 1.69 0.51 0.81 3.94 ¾ - 14 NPT M12 x 1 0.94...
- Page 16 SIKA USA Inc. 1500 S. Sylvania Ave. Suite 111 Sturtevant WI 53177 262 886-2695 262 898-0101 info@sika-usa.com www.sika-usa.com © SIKA • Ba_VVX_us • 09/2024...
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