Siemens UH50 Series Manual
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Siemens UH50 Series Manual

Ultrasonic heat and cooling energy meters
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CE2N5324en
2013-01-14
Ultrasonic heat and cooling
energy meters
Ultrasonic heat and cooling energy meters to measure flow and energy in
hydronic heating or refrigerant circuits.
Non-wearing due to non-moving parts
Approved in accordance with EN 1434 and MID class 2
Optional mounting position (horizontal or vertical), in return or flow
Measuring range of flow 1:100 as per EN 1434, 1:1,000 total range
Choice of communication modules and power supplies
No settling paths required
Optical interface as per EN 62056-21
5
324
UH50..
Building Technologies

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Summary of Contents for Siemens UH50 Series

  • Page 1 Ultrasonic heat and cooling UH50.. energy meters Ultrasonic heat and cooling energy meters to measure flow and energy in hydronic heating or refrigerant circuits. Non-wearing due to non-moving parts Approved in accordance with EN 1434 and MID class 2 Optional mounting position (horizontal or vertical), in return or flow Measuring range of flow 1:100 as per EN 1434, 1:1,000 total range Choice of communication modules and power supplies No settling paths required...
  • Page 2 Length of control cable 1.5 m/3 m Sensor mounting Return temperature sensor, integrated in the flow measuring section Return temperature sensor, not integrated in the flow measuring section 2 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 3 3 m, Pt500, Ø 6 mm, sensor length 100 mm, cable length 5 m, return sensor, not integrated in the flow measuring section, energy unit MWh 3 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies...
  • Page 4 1.5 m, Pt500, Ø 6 mm, sensor length 100 mm, cable length 5 m, return sensor, integrated in the flow measuring section, energy unit kWh 4 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 5 Stock number Product no. modules Pulse module with 2 channels to output S55563-F107 WZU-P2 standard or "definable" pulses Pulse module with opto MOS output LYU:WZU-P2L WZU-P2L 5 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 6 Pt500, PL Ø 6x100 mm, cable length 5 m LYU:WZU5-1050 WZU5-1050 Pt500, PL Ø 6x150 mm, cable length 2 m LYU:WZU5-1520 WZU5-1520 Pt500, PL Ø 6x150 mm, cable length 5 m LYU:WZU5-1550 WZU5-1550 6 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 7 Spacer G 1", length 190 mm, incl. 2 gaskets LYU:WZM-G190 WZM-G190 Spacer G 1¼", length 260 mm, LYU:WZM-G260 WZM-G260 incl. 2 gaskets Spacer DN 20, length 190 mm, PN 16, LYU:WZM-F190 WZM-F190 7 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 8 DS M10x1 mm, incl. gasket G ½" made of copper Adapter G ¾ B" with threaded hole for LYU:WZT-A34 WZT-A34 sensor DS M10x1 mm, incl. gasket G ¾" made of copper 8 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 9 - UltraAssist standard, second license, with LYU:WZX-UA-SFU WZX-UA-SFU dongle for USB interface Read and parameteriza- The UltraAssist Light read and parameterization software is free and available on tion software request. 9 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 10 EN 1434 son with the error limits as per to EN 1434, class 2. Key: UH50.. typical EN 1434, class 2 Preasure drop characteristic 10 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 11 11 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 12 When pressing button 2, the values in the respective loop can be read. After the last value of a loop, the first value reappears. 12 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies...
  • Page 13 If the number of months to be read is changed via the service software, this also affects the number of months that can be called up via the LCD. Service loop LOOP 4 13 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 14 Short-circuit in the flow tempera- Check sensor; replace if re- ture sensor quired Short-circuit in the return tem- Check sensor; replace if re- perature sensor quired 14 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 15 Only authorized persons are allowed to remove and replace calibration seals when carrying out service work. Ball valve Example of mounting with a ball valve (recommended up to DN 25) 15 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 16 The latter must then be secured to the wall so that the processor unit can be replaced on the adapter plate, snapping into place. 16 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies...
  • Page 17 16 years Standard pulses M-bus readout (max. every 15 minutes), 2 AA D-cell CL module M-bus fast readout, fast pulses, D-cell analog module, RF module 17 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 18 The type of module used can be displayed within the service loop (loop 4), depend- ing on the parameter settings made for the display. 18 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies...
  • Page 19 (3) The first and second channel can be parameterized individually (4) The secondary address for both modules can only be changed via module no. 1 (5) Analog module not possible Terminals 19 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 20 Pulse module with opto MOS output, low voltage drop and reversed polarity protection Standard pulse valencies Standard pulses *) depending on the unit for heat display 20 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 21 In this case, the pulse receiving device can detect a wiring error, for example. Linear pulses Scaled pulses (example) CE, C2, CV, CT or RI Connection of outputs (standard version): CL module WZU-CL 21 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 22 DSMR2.2+ and 3.0 Note Modules WZU-MB and WZU-MB-G4 can be plugged into any of the 2 sockets. Module WZU-MI must always be plugged into socket 1. 22 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 23 The connection terminals on the meter’s power pack are not suited for that purpose. If a meter is used with an analog module, a D-cell is required – if battery-powered. RF module, 433 MHz, WZU-RM 23 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 24 Module with internal antenna WZU-RF-EXT Module with external antenna Data output conforming The following data are available: Current energy to OMS Current volume Current power 24 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 25 GSM data transparent M-bus @ 300 and 2'400 baud and GSM data console TCP Transparent M-bus @300 and 2'400 baud and TCP console SMS for configuration Internet time synchronization with NTP or daytime protocol GSM module WZU-GM 25 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 26 In tariff register 1, the measured cooling energy is summated, in tariff register 2, the measured thermal energy. In both cases, a threshold can be defined via the flow temperature (cold threshold, heat threshold). 26 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies...
  • Page 27 The contents of the tariff registers is displayed in the user loop after the energy. For tariffs T2, T3, T4, T5, T6, T10, T11, and T12 Tariff register 1 27 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies...
  • Page 28 Monthly set day parameterized Master reset performed All times deleted Missing time deleted Maxima deleted Readout is performed via the optical interface with the service software. 28 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 29 Flow temperature the end of the period Return temperature for... Temperature differential Error display Power Flow rate Maximum for... Flow temperature Return temperature Temperature differential 29 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 30 Data Sheet. If the meters are used in connection with third-party devices that are not ex- plicitly mentioned, the user must ensure proper functioning. In that case, Siemens will not provide any services and warranty. Technical data Processor unit...
  • Page 31 DN25 DN25 DN40 15.4 DN50 14.3 300 DN65 24.4 300 DN80 31.6 360 DN100 120 600 Tolerance in the event of pressure drop: +/- 5% 31 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 32 Max. pulse frequency 33 Hz Fast pulses If 2 pulse modules are fitted Pulse duration 5…100 ms in increments of 5 ms Max. pulse frequency 33 Hz 32 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 33 , 7 digits, without or with 1 decimal place, depending on parameter setting Output voltage Approx. 3.3 V Internal resistance Approx. 1 M Source current Approx. 3 A 33 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 34 Output voltage Internal resistance 0.3 M Source current 10 A Pulse input closed (Low) Switching threshold low 0.5 V Resistance 50 k Pulse input open (High) 34 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 35 2 AA lithium batteries (Li-SOCI2) Battery voltage 3.6 V Battery life Approx. 1,600 SMS or 6 years (depending on strength of GSM signal) Forwarding service and data messages 35 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 36 Switching threshold low <0.2 V Resistance <50 k Pulse input open (High) Switching threshold high Collector not fully activated Resistance Max. cable length 10 m 36 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 37 Dimensions Housing material Cover Bottom section PC-GF10 Housing colors Cover Front crystal-clear, logo PEs plastic foil, RAL 7035 and RAL 5014 RAL 9002 Bottom section 37 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 38 Flow measuring section 0.6…2.5 m Mounting length 110 mm (threaded) Mounting length 130 mm (threaded) Mounting length 190 mm (flanged) Mounting length 190 mm (threaded) 38 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 39 3.5 m flanged connections No. of Product no. Øc Ød Øe m³/h holes UH50-x46 UH50-x52 UH50-x61 UH50-x65 UH50-x69 UH50-x70 UH50-x74 UH50-x82 UH50-x83 39 / 40 Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...
  • Page 40 40 / 40 2012 - 2013 Siemens Switzerland Ltd Subject to change Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en Building Technologies 2013-01-14...

This manual is also suitable for:

Uh50-a05-00Uh50-a21-00Uh50-a36-00Uh50-a45-00Uh50-a50-00Uh50-a61-00 ... Show all

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