Related Manuals for Landis+Gyr ULTRACOLD 2WR6 Series
Summary of Contents for Landis+Gyr ULTRACOLD 2WR6 Series
- Page 1 Ultrasonic heat and cooling meter (2WR6…) T350 Residential and district heating ® ULTRAHEAT T350 (2WR6…) ® ULTRACOLD T350 (2WR6…) Technical Description 32 14 101 001 b Date: 19.03.2018 Landis+Gyr GmbH...
- Page 2 Outstanding features 2/21 Outstanding features Meter for measurement of energy in a heating or cooling circuit with water using the ultrason- ic principle. Important properties are: Measurement range of flow 1:100 acc. EN1434:2007, 1:500 total range Overall length 110 mm / 130 mm / 190 mm ...
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Page 3: Table Of Contents
Contents 3/21 Contents General notes ____________________________________________________________ 4 Other available documents __________________________________________________ 4 Safety information ________________________________________________________ 5 Technical data ___________________________________________________________ 7 Dimensions ______________________________________________________________ 8 Installation ______________________________________________________________ 9 Installation Notes __________________________________________________________ 9 Examples of installation _____________________________________________________ 9 Installation notes for sensor adapter set _______________________________________ 10 Installation for cooling metering ___________________________________________ 11 Dimension of electronic unit _______________________________________________ 12 Operating elements ______________________________________________________ 13... -
Page 4: General Notes
General notes 4/21 General notes Note In the following text, the term meter refers to heat meter and cooling meter, unless they are otherwise differentiated. Note: The meter cannot be opened without damaging the security seal. The meter is used to measure the consumption of heating or cooling energy in systems operating with water. -
Page 5: Safety Information
Safety information 5/21 Safety information The meter may only be used in building service engineer- ing systems and only for the applications described. The local regulations (installation etc.) must be adhered to. Adhere to the operating conditions according to the dial plate during use. - Page 6 Safety information 6/21 You can return the lithium batteries to the manufacturer for appropriate disposal after use. When shipping, please observe legal regulations, in particular those governing the labelling and packaging of hazardous goods. Do not open the batteries. Do not bring batteries into con- tact with water or expose to temperatures above 80 °C.
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Page 7: Technical Data
Technical data 7/21 Technical data General Measuring accuracy Class 2 or 3 (EN 1434) Environmental class A (EN 1434) for indoor installation Mechanical class M1 *) Electromagnetic class E1 *) *) according to 2014/32/EU Directive on Measuring Instruments Ambient humidity <93 % rel. -
Page 8: Dimensions
Technical data 8/21 G/DN mbar Tolerance of pressure loss: /- 5% Dimensions Fig. 1: Overview dimensions overall length 110 mm Fig. 2: Overview dimensions overall length 130 mm Fig. 3: Overview dimensions overall length 190 mm Order-No. m³/h 2WR605 G ¾ 2WR607 2WR621 G ¾... -
Page 9: Installation
Installation 9/21 Installation To install the meter proceed as follows: Determine the place of installation according to the mark on the meter. Note: For a heat meter the mounting place of the flow sensor cold side is equivalent to return. The mounting place of the flow sensor hot side is equivalent to flow. -
Page 10: Installation Notes For Sensor Adapter Set
Installation 10/21 Ball valve Fig. 5: Example of integration with ball valve and meter with 190 mm fitting Fig. 6: Installation for circulation with admixing; placement of temperature sensors Fig. 7: Installation for circulation with throttling configuration (flow sensor in flow direction before control valve / differential pressure regulating valve) Installation notes for sensor adapter set A mounting set is included for meters with Ø... -
Page 11: Installation For Cooling Metering
Installation 11/21 4.1 Installation for cooling metering Note: The local regulations (installation etc.) must be adhered to. When installing as a cooling meter it is essential that the black cover on the measuring tube is pointed to the side or down-wards in order to avoid prob- lems with condensation. -
Page 12: Dimension Of Electronic Unit
Dimension of electronic unit 12/21 Dimension of electronic unit Fig. 10: Dimensions of electronic unit Fig. 11: Wall adapter (view from above and side) -
Page 13: Operating Elements
Operating elements 13/21 Operating elements Fig. 12: Operating elements No. Name Description Note Button Switches to the next To switch between the loop and display value displayed values: press within a loop. the button shortly (approx. 3 s); To switch between the loops: press the button longer (approx. -
Page 14: User Loop
Operating elements 14/21 User loop ▼ User loop Display type 0054567 kWh Energy quantity 00065.43 m³ Volume 888888 kWh Segment test Info F - - - In case of error: message with error Info code Service loop ▼ Service loop Display type 0.534 m³/h Current flow... -
Page 15: Resolution Of The Display
Resolution of the display 15/21 Note: Central European Time (CET) applies as the standard time. During daylight saving time the storage takes place at the corre- sponding times. Resolution of the display without decimal place 3 decimal places without decimal place 3 decimal places m³/h 0.001... -
Page 16: Communication
Communication 16/21 Communication Electronic unit interfaces The meter is equipped with an optical interface with M-Bus protocol as stand- ard. One of the following options can be ordered for remote readout. M-Bus Standard, protocol EN 1434-3; EN 13757-2, EN 13757-3 Galvanic isolation (between meter and module) Polarity... -
Page 17: Error Codes
Error codes 17/21 Error codes The meter continuously runs a self-diagnosis and can thus recognize and dis- play various installation or error messages. Error Error Service guidelines code Check flow or installation direction; Incorrect flow direction correct if necessary if applicable alternating with: Check installation point of the tem- DIFF Negative temperature dif-... -
Page 18: Order Codes (Type Number Key)
Manufacturer’s label Tested according to EN 1434, class 2, with lock mark Code Compliant to MID class 2 Logo Landis+Gyr Compliant to MID class 3 Other labels on request *) Calibrated devices are offered accordingly to the County / where used Code current approvals. -
Page 19: Additional Order Information
14. digit is Z Dial plate for Armenia With pulse output (Armenian) 14. digit is Z Dial plate for Russia Company brand Landis+Gyr (Russian) 14. digit is Z Dial plate for Uzbekistan Dial plate for Kazakhstan (Russian) (Russian) B = Display: MWh with 3 decimal places 14. -
Page 20: Pressure Loss
Pressure loss 20/21 Pressure loss Nominal flowrate Overall Pressure Kv-Factor Graph in Connection at Δp 1 bar length loss at qp diagram G / DN mbar 110, 190 130, 190 The indicated pressure loss of a flow sensor is at nominal flowrate qp. With the Kv-Factor, which defines the flow rate at a pressure loss of 1 bar, the pressure loss at any given flow rate can be calculated: ∆��... - Page 21 21/21 Landis+Gyr GmbH Humboldtstrasse 64 90459 Nuremberg Germany...
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