User Manual for GUANGZHOU models including: Ultrasonic Water Meter, Water Meter, Meter
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DocumentDocumentUser Manual GUANGZHOU BASIC INTELLIGENCE TECHNOLOGY CO.,LTD Contents Overview .............................................................................................................................................. 3 Features ................................................................................................................................................ 3 Technical Parameters ........................................................................................................................... 3 Dimension & Flow range ..................................................................................................................... 4 Operation.............................................................................................................................................. 4 Installation............................................................................................................................................ 7 Wiring .................................................................................................................................................. 9 Daily Maintenance ............................................................................................................................... 9 Analysis and troubleshooting of common faults................................................................................ 10 Packing List........................................................................................................................................ 10 Transportation & Storage...................................................................................................................10 Warranty............................................................................................................................................. 10 2 / 10 Overview Ultrasonic water meter is a new type of water meter for flow measurement and display based on the principle of ultrasonic time difference. The meter is equipped with an M-BUS interface by default, which can form a remote meter reading management system through the M-BUS bus and other communication equipment. The management department can read the data in the meter at any time, which is convenient for the statistics and management of user water. The product implements the standards of "GB / T 778 Measurement of Water Flow in Closed Full Pipes, Drinking Cold Water Meters and Hot Water Meters" and the "JJG 162-2009 Cold Water Water Meter" verification procedures. Features 1. All plastic watch body with compact mechanism 2. High range ratio (maximum 800: 1) 3. Self-diagnostic function: flow sensor fault alarm, temperature sensor fault alarm, measurement over range alarm, battery low voltage alarm. 4. Built-in lithium battery power supply can ensure more than (6 + 1) years of use 5.With photoelectric interface, support hand-held infrared meter reading tool on-site reading 6. Bidirectional measurement (forward and reverse measurement) Technical Parameters Accumulated Flow Resolution Instantaneous Rate Resolution Battery Life LCD Digits Temperature Class Pressure Class Pressure Loss Class Ambient Class Waterproof Class Accuracy Class EMC Class Installation Flow Section Sensitivity Class Reverse Flow Diameter Range Dynamic Range Q3/Q1 0.001m3 Daily 0.00001m3 Inspection 0.001 m3/hDaily 0.001 m3/h Inspection 6+1years 8 T50T90 MAP16 p40 Class O IP65/IP68 2 E1 Horizontal or Vertical U5/D3 Reverse Flow Measurable DN15DN40 R250 3 / 10 Dimension & Flow range Diameter Length L2(mm) Length L1(mm) Wide W(mm) Meter Hight H(mm) Weight (kg) Meter Thread Thread Length(mm) Fitting Length(mm) Fitting Fitting Thread Thread Length(mm) Nominal flow rate Q3(m³/h) Transition flow rate Q2(m³/h) Minimum flow rate Q1(m³/h) DN15 165 114 96 106 0.81 G 3/4B 12 43 R1/2 15 2.5 0.016 0.01 DN20 195 114 96 106 0.92 G1B 12 50 R3/4 16 4 0.0256 0.016 DN25 225 114 96 110 1.26 G1 1/4B 12 58 R1 18 6.3 0.0403 0.0252 DN32 180 114 96 135 1.34 G1 1/2B 13 58 R1 1/4 20 10 0.064 0.04 DN40 200 114 96 137 1.65 G2B 14 59 R1 1/2 22 16 0.1024 0.064 4 / 10 Operation The meter uses the menu operation mode to display the working status and measurement parameters on the LCD. You can use the matching magnetic bar to touch the magnetic induction area on the panel to switch the display content. Operation and display consists of 4 menus. MAIN E I F Arrows Indicates that the magnetic sensor is in contact with the sensing area for more than 2 seconds (equivalent to long press, hereinafter referred to as "long press") Indicates that the magnetic field is used to touch the sensing area for about 1 second (equivalent to short press, hereinafter referred to as "short press") Inside the boxes are 1) The main menu is the status during normal use 2) Fault menu [E] 3) Information menu [I] 4) Detection menu [F] The display is always on in the main menu during standby mode, and the main menu is displayed as accumulated flow. As shown in the figure above, the "long press" operation can switch the menu directory, find the menu you want to view, and then follow the operation diagram of each menu to view related content. If no operation is performed for more than 3 minutes, the display will automatically return to the main menu page (except the items under the detection menu [F]). It should be noted that no matter what menu display state, as long as the water meter is in use, the flow will be accumulated in the relevant items of the main menu, and the measurement data will not be missed or undercounted due to key operation. 5 / 10 1.Main Menu m3 m3/h TEST Mbus CS L m3/h US.l mp .Gal SHORT PRESS Information MenuI 2.Fault MenuE EE m3 LONG PRESS 4. Detection menu [F] m3 m3 m3 m3 m3 TEST TEST TEST TEST TEST TEST TEST L m3/h C Note: Under the test menu, the cumulative flow interface has an auto-zero function. When the flow rate is 0, if the flow rate in the pipe section is detected to be greater than the set value, the current accumulated value is cleared, which is convenient for manual detection. If it cannot be reset automatically, you can manually reset it by long-pressing; if there is no operation for 2 hours in the verification mode, it will automatically exit the verification mode. 6 / 10 Infrared Reading Users can be equipped with a handheld device to realize handheld meter reading, which is used to record the accumulated flow and operating time of the water meter. The meter reading method is as follows: Press the standby interface briefly, point the handheld meter to the infrared receiving and sending interface of the water meter, and select the meter reading command. After the communication is successful, the handheld will display related information. For details, refer to the infrared handheld meter reading manual. Installation 1. Installation requirements for ultrasonic water meters Special reminder: under the condition that the ultrasonic water meter has been installed, in order to prevent the pipeline from being frozen and cracked, the ultrasonic sensor may be damaged. Valves, faucets). This is especially important when there is no one living or using water. Ultrasonic water meters have different measuring principles than mechanical water meters. The pipe cannot be empty or accumulate a lot of air bubbles. Otherwise, the ultrasonic signal cannot be transmitted, which causes the water meter to fail to count or measure accurately. Based on the above reasons, the recommended installation methods are as follows: Horizontal installation For horizontal installation, it is recommended to install as follows, and make the pipeline "U". In this case, the ultrasonic water meter pipe section at a low position can keep the full pipe. Vertical installation When installed vertically, as shown in the figure above, the direction of the water flow is to enter the water at the lower end of the water meter and the upper end to exit the water. In this case, when water flows through, bubbles can be prevented from accumulating in the water meter measuring pipeline. Compromised installation (horizontal) If it is really difficult to implement the recommended horizontal installation conditions due to the on-site objective conditions, install at least as shown in the figure below. In the figure, the pipe section in front of the water meter can be parallel to the body of the water meter (compared to the recommended method, the structure bent at right angles is eliminated), but the pipeline at the back of the water meter must be laid out as shown in the figure to avoid the accumulation of bubbles in the pipe. 7 / 10 2. Precautions before installation (1) Before installing the ultrasonic water meter, the pipes must be cleaned thoroughly to avoid debris from damaging the water meter; (2) Ultrasonic water meters are relatively expensive precision instruments. Be careful when picking up and lowering. Do not directly pull the meter head or the sensor wire; do not approach high temperature heat sources (such as electric welding to prevent battery explosion from hurting people and damaging the meter); (3) Special attention should be paid to the installation position of the ultrasonic water meter. Avoid installing the water meter on the upper end of the pipe (there will be air bubbles in the pipe section), avoid installing it near the elbow (which will generate vortex), and keep it away from pumps and other equipment (which will cause Pulsating flow); (4) The connecting pipes at the upstream and downstream of the ultrasonic water meter should be the same as the diameter of the water meter and cannot be reduced; (5) The direction of the arrow on the surface of the ultrasonic water meter is the direction of the water flow, and it must not be reversed; (6) It is recommended that the front end of the ultrasonic water meter be equipped with a filter of the corresponding caliber; a valve of the corresponding caliber is installed in front of the meter and it can be separated from the body of the meter to facilitate future maintenance and repair. 3.Examples of common incorrect installations 1) When the meter is installed vertically, it must be installed on a straight pipe with the water flowing upwards, because the pipe with the water flowing downwards will be unable to be filled with water in the pipe under the gravity's gravity. At this time, the meter will not be filled. Even cause non-measurement (as shown in Figure C). Water flow downward Water flow upward FigureC 3) When installing at the "U" -shaped pipe, please install the meter at the lowest position, because the pipe may collect air at a high place, causing the meter to be inaccurately measured or not (as shown in Figure D). 8 / 10 FigureD 4) When the meter is installed at a bend, the distance between the front straight pipe and the straight pipe must be 5 times and the rear straight pipe must be 3 times the pipe diameter. Otherwise, the meter may be inaccurate (as shown in Figure E). FigureE 4) When installing a valve or other objects in front of the meter, you must ensure that there is a distance of 5 times the diameter between the meter and this object, otherwise the meter may be inaccurately measured; (as shown in Figure F)` F 4.Wiring Power cord Powered by built-in lithium battery by default, no additional power cord required External power supply mode (optional), the red lead is connected to the positive pole of the power supply, the black is connected to the negative pole of the power supply, and the voltage range is DC (7.5 24) V; Communication line (only applicable to wired interface) M-BUS communication mode: directly connect two communication lines to the MBUS bus, without the need to distinguish between positive and negative poles; RS485 communication mode: There are 4 wires on the table: A (yellow), B (green), ground (black), power (red, DC 7.5 24V), corresponding connection (note the polarity, wrong connection) May burn); 5.Daily Maintenance (1) The current state of the ultrasonic water meter must be checked before use; (2) The lead seal on the ultrasonic water meter cannot be damaged. If the manufacturer is damaged, the quality and accuracy guarantee will no longer be guaranteed; (3) The ultrasonic water meter is powered by a built-in lithium battery and can run for up to 6 years. When the battery life is near or less than 6 years but the data displayed on the LCD screen is not clear or the battery symbol is displayed (indicating that the voltage is insufficient), the battery should be replaced by a specialized technician to avoid affecting its normal work; 9 / 10 6. Analysis and troubleshooting of common faults No. Error Type Error cause 1 Battery Battery low or poorly connected 2 Empty pipe No water in the pipe section or water is not filled in the pipe section 3 Backflow Installed in the opposite direction. 4 Overrange The current water flow is too high 5 EE failure 6 Sensor EE memory failure Ultrasonic sensor failure Solution Check the plug and replace it Full-fill the pipe with water and remove the air bubbles Do installation according to arrows direction Reduce water flow or change to use correct meter Contact factory for support Contact factory for support 7.Packing List NO. 1 2 3 4 PRODUCT NAME WATER METER ACCESSORIESOPTIONAL MANUAL CERTIFICATE UNIT PCS SET PCS PCS QTY 1 1 1 1 8.Transportation & Storage 1. Handle the instrument carefully during transportation to avoid severe impact. 2. Storage environment temperature (-25 55) , relative humidity is less than 80%, prevent strong electromagnetic field and direct sunlight. 3. The product stored at least 30cm away from the ground, at least 1m away from the four walls, and no less than 2m away from the heating equipment. 4. Keep the warehouse dry and free of corrosive materials, gases and dangerous goods. 9.Warranty The ultrasonic water meter defaults to the whole machine for one year free warranty from the date of shipment, lifetime maintenance. However, damage caused by: 1) The seal mark (lead seal) of the ultrasonic water meter is opened and destroyed; 2) Any part of the ultrasonic water meter is artificially damaged; 3) Ultrasonic water meters are used in conditions beyond the specifications or damaged by chemical pollution; 4) The pipeline is not cleaned before installation or there are too many impurities in the pipeline, which cause damage to the flow sensor; 5) Failure and damage caused by not selecting the appropriate product model specifications. GUANGZHOU BASIC INTELLIGENCE TECHNOLOGY CO., LTD H.Q. China: Room 611, No. 101, Kexue Avenue, Luogang District, Guangzhou, P.R.C. Factory Address: 164# NO.1Jinyang Road, Tanshan, Hualong, PanYu District, Guangzhou, P.R.C. Tel: +86 20 34753188 Fax: +86 20 80672831 10 / 10Microsoft Word 2019 Microsoft Word 2019