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DRT-370D

1. 021 60975591 60975592 forlon Problem Check DRT 370D user manual Solution No light for the Power supply indicator L1 L2 Is AC power supply connected to the Check switch or circuit breaker and fuse or thermal cut off amp meter L3 LED Is the L1 L2 L3 Reinstall terminal screws on the and L1 L2 L3 and N Make sure all N screws are fixed Than there connecting should be a 230V 50Hz AC correct voltage between the terminal screws on the N and L1 or L2 or L3 when power supply is input Please contact technical Maybe there is support to replace this meter No light for Is the Only when load is running this the load LED will flash consumption running indicator PULSE If the operating power is too amp SOLED low the spacing interval of the Is the flashes will take some more operating time this is why it seems like power too the LED isn t burning low Please contact technical support to replace this meter Continue Shanghai Fengyilong Electronic Co Ltd www china meters com 9 Email sale02 china meters com 021 60975591 60975592 DRT 370D user manual Problem Check Solution The register Is there a Check that the power supply can t run power supply indicator L1 L2 amp L3 LED inside the is meter burning Is the If the operating power is too operating low the spacing interval of the power too pulses will take some more low time this is why
2. it seems like Maybe there is the register can t run Please contact technical support to replace this meter No pulse output Is DC power supply connected to the meter Is the connection correct Maybe there is a fault in the Check the external voltage source Ui is 5 27V DC Check correct connection connect 5 27V DC to connector 20 anode and the signal wire S to connector 21 cathode Please contact technical support to replace this meter Pulse output Maybe there is rate wrong a fault in the inside circuit 1 11 Technical support Any questions please contact TEL 021 60975591 60975592 FAX 021 60975593 Email wWwW china metes com Shanghai Fengyilong Electronic Co Ltd saleO2 china meters com www china meters com 10 Please contact technical support to replace this meter Email sale02 china meters com 021 60975591 60975592
3. DRT 370D DIN rail energy meter is equipped with a pulse output which is fully separated from the inside circuit That generates pulses in proportion to the measured energy for remote reading purposes and accuracy testing The pulse output is a polarity dependant passive transistor output requiring an external voltage source for correct operation For this external voltage source the voltage Ui should is 5 27V DC and the maximum input current Iimax is 27mA DC To connect the impulse output connect 5 27V DC to connector 20 anode and the signal wire S to connector 21 cathode The meter pulses 800 per kWh 1 25Wh imp 1 10 Troubleshooting A CAUTION 34 34 During repairing and maintenance do not touch the meter connecting clamps directly with your bare hands with metal blank wire or other material as you will have the chance of an electricity shock and a possible chance for health damage Turn off and lock out all power supplying the energy meter and the equipment to which it is installed before opening the protection cover to prevent the hazard of electric shock A WARNING Maintenance or repair should be performed by qualified personnel familiar with applicable codes and regulations Use insulated tools to maintain or repair the meter Make sure the protection cover is in place after maintenance or repair Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale02 china meters com 8
4. be performed by qualified personnel Qualified personnel in the sense of the safety information contained in this manual are persons who are authorized to commission start up ground and label devices systems and circuits according to safety and Regulatory standards Use for the intended purpose The equipment device module may only be used for the application cases specified in the catalog and the user manual and only in connection with devices and components recommended and approved by DMMetering Proper handling The prerequisites for perfect reliable operation of the product are proper transport proper storage installation and assembly as well as proper operation and maintenance When operating electrical equipment certain parts of this equipment automatically carry dangerous voltages Improper handling can therefore result in serious injury or material damage 34 Use only isolated tools 34 Do not connect while circuit is live hot 3A Place the meter only in dry surroundings 34 Do not mount the meter in an explosive area or exposed to dust mildew and insects 34 Make sure the used wires are suitable for the maximum current of this meter 34 Make sure the AC wires are connected correctly before activating the current voltage to the meter 34 Do not touch the meter connecting clamps directly with your bare hands with metal blank wire or other material as you will have the chance of an electricity shock and a possible chanc
5. d regulations for the ampacity of the circuit breaker or over current device used in the circuit An external switch or a circuit breaker should be installed on the inlet wire which will be used as a disconnection device for the meter And there it is recommended that the switch or circuit breaker be near the meter so that it is convenient for the operator The switch or circuit breaker should comply with the specifications of the building electrical design and all local regulations This meter can be installed indoor directly or in a meter box which is waterproof outdoor subject to local codes and regulations To prevent tampering secure the meter with a padlock or a similar device The meter has to be installed against a wall which is fire resistant The meter has to be installed in a good ventilated and dry place The meter has to be installed in a protection box when placed in dangerous or dusty environments The meter can be installed and used after being tested and sealed with a letter press printing The meter can be installed on a 35mm DIN rail The meter should be installed in an available height so that it is easy to read When the meter is installed in an area with frequent surges due to e q thunderstorms welding machines inverters etc protect the meter with Surge Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale02 china meters com 6 021 60975591 60975592 foriong DRT 370D user manual Protec
6. e for health damage 34 Make sure the protection cover is replaced after installation 34 Installation maintenance and repair should only be carried out by qualified personnel Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale02 china meters com 2 021 60975591 60975592 34 34 DRT 370D user manual Never break the seals and open the front cover as this might influence the functionality of the meter and will void any warranty Do not drop or allow physical impact to the meter as there are high precision components inside that may break or render the meter measures inaccurate Exclusion of liability We have checked the contents of this publication and every effort has been made to ensure that the descriptions are as accurate as possible However deviations from the description cannot be completely ruled out so that no liability can be accepted for any errors or omissions contained in the information given The data in this manual are checked regularly and the necessary corrections are included in subsequent editions We are grateful for any improvements that you care to suggest Subject to technical modifications without notice Copyright Copyright Forlong January 2011 All rights Reserved It is prohibited to pass on or copy this document or to use or disclose its contents without our express permission Any duplication is a violation of the law and subject to criminal and civil penalties All right
7. eters com foriera 1 6 Description moov Material Front panel Protection cover Cover Base Front panel Cover Base Protection Cover Security hasp PC inflammable retarding ABS PC alloy inflammable retarding ABS PC alloy inflammable retarding ABS PC alloy inflammable retarding A DRT 370D J PHASE 4 WIRE ENERGY METER rene Yoc foriong Shanghai Fengyilong Electronic Co Ltd 140 90 DRT 370D user manual www china meters com Email sale02 china meters com 5 021 60975591 60975592 1 7 1 8 Dimensions Height Height Width Depth Size of Size of Weight I nstallation DRT 370D user manual 140mm without protection cover 90 mm 70mm 64 mm connection clamp LXH 8x8mm connection clamps Diagonal 11 3mm 0 42 Kg net A CAUTION 34 Turn off and lock out all power supplying the energy meter and the equipment to which it is installed before working on it 3 Always use a properly rated voltage sensing device to confirm that power is off AN WARNING 34 Installation should be performed by qualified personnel familiar with applicable codes and regulations 34 Use isolated tools to install the meter 34 Fuse or thermal cut off or single pole circuit breaker can t be fitted on the supply line and not the neutral line We recommend that the connecting wire which is used to connect the meter to outside circuit should be sized according to local codes an
8. foriong DRT 370D DIN rail three phase four wire energy meter DRT 370D user manual foriong 1 11 User manual Shanghai Fengyilong Electronic Co Ltd www china meters com 1 1 1 Safety instruction 1 2 Foreword 1 3 Performance criteria 1 4 Specifications 1 5 Basic errors 1 6 Description 1 7 Dimensions 1 8 Installation 1 9 Operating 1 10 Troubleshooting Technical support Email sale02 china meters com 021 60975591 60975592 DRT 370D user manual 1 1 Safety instructions AN A Information for Your Own Safety This manual does not contain all of the safety measures for operation of the equipment module device because special operating conditions and local code requirements or regulations may necessitate further measures However it does contain information which must be adhered to in the interests of your own personal safety and to avoid material damages This information is highlighted by a warning triangle is represented as follows depending on the degree of potential danger Warning Means that failure to observe the instruction can result in death serious injury or considerable material damage Caution Means hazard of electric shock and failure to take the necessary safety precautions will result in death serious injury or considerable material damage Qualified personnel Commissioning and operation of the equipment module device described in this manual may only
9. l sale02 china meters com 3 021 60975591 60975592 Shanghai Fengyilong Electronic Co Ltd 1 3 Performance criteria Operating humidity Storage humidity Operating temperature Storage temperature International standard Accuracy class Protection against penetration of dust and water Insulating encased meter of protective class 1 4 Specifications Nominal voltage Un Operational voltage Insulation capabilities AC voltage withstand Impulse voltage withstand Starting current Ist Transitional current Itr Minimum current Reference current Iref Maximum current Imax The current measuring range Peak current withstand Operational frequency range Internal power consumption Test output flash rate PULSE LED pulse output rate 1 5 Basic errors With balanced loads Cosp 1 0 1Ib Cos 0 5L Cosq 0 8C 0 1Ib Imax Cosp 1 0 2Ib Imax Cos 0 5L Cos 0 8C With single phase load 0 1Ib Imax 0 2Ib Imax Cos 1 Cos 0 5L www china meters com 4 021 60975591 60975592 DRT 370D user manual lt 75 lt 95 10 C 50 C 30 C 70 C IEC 62053 21 1 IP51 II 230 400V AC 3 161 279 300 520V AC 3 4KV for 1 minute 6KV 1 2uS waveform 0 04A 1 0A 0 5A 10A 100A 0 5 10 100 A 3000A for 0 01s 50Hz 10 lt 2W 10VAper phase 400imp kWh 400imp kWh tilo 1 53 1 5 1 0 1 0 1 0 nz 2 0 2 0 as Email sale02 china m
10. s reserved particularly in the event of a patent award or utility model registration 1 2 Foreword Thank you for purchasing the Forlong DRT 370D DIN rail three phase four wire energy meter The Forlong DRT 370D energy meter is the most advanced type electronic kWh meter available at the market With the Forlong product range we have introduced a large scale of energy meters on the market suitable for 110V AC to 400V AC 50 or 60Hz Besides the normal energy meters we also developed our own pre paid meters with chip card chip card re loaders and a complete PC management control system For more information on other product please contact our sales department at forlong china meters com or fyl china meters com Although we produce the Forlong DRT 370D meter according to IEC 62053 21 and our quality inspection is very accurate there might always be a possibility that your product shows a fault or failure for which we do apologize Under normal conditions your product should give you years of benefit and pleasure In case there is problem with the energy meter you should contact your dealer immediately All energy meters are sealed with a special seal Once this seal is broken there is no possibility to claim for warranty Therefore NEVER open an energy meter or break the seal of the energy meter The warranty time is 6 months after production and only valid for construction faults Shanghai Fengyilong Electronic Co Ltd www china meters com Emai
11. tion Devices After finishing installation the meter must be sealed to prevent tampering Connection of the wires should be done in accordance with the underneath connection diagram Li Li phase wire L2 L2 phase wire L3 L3 phase wire N Neutral wire 20 and 21 Pulse output contact 1 9 Operating Working indication On the DRT 370D s front panel there are three power indicating LED which have different color from each other The yellow LED represent L1 phase the green LED represent L2 phase the red LED represent L3 phase When any phases work normally the LED representation will burn When any phases have failure or no power the LED will turn off Consumption indication There is a PULSE LED which is used as indicating power consumption in the front panel of DRT 370D When consumption happens the LED will flash The more quickly LED flash the more consumption there is For this LED the flash rate is 400 impulses per kWh 2 5Wh imp Reverse indication There is REV LED on DRT 370D front plate When meter load current flow is reverse the LED lighten Reading the meter The DRT 370D energy meter is equipped with a 5 2 LCD display which is used as recording consumption and can t be reset to zero The number system is based on units of 10 And unit is kWh Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale02 china meters com T 021 60975591 60975592 DRT 370D user manual Pulse output The

DRT-370D

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