1. Introduction 1.1 Introduction This manual describes solar inverters : RI-ENERGYFLOW-3P-SERIES25-10KW /15KW /17KW /20KW /25KW. These inverters are transformerless based inverter. 1.2 Applied designations CE Mark UK CA Mark 1.3 Important safety information...
Telephone : +44 (0) 1245 428500 Email : sales@rayleigh.com Before installation: Installation: Disconnecting the inverter: Operating the inverter: should be used. Functional safety parameters: 1.4 System sizing inverter. considered in each individual case.
2. Technical description of inverters 2.1 Mechanical design Figure 2-1 shows the outline dimensions and electrical terminals of: RI-ENERGYFLOW-3P-SERIES-25-10KW /15KW /17KW /20KW /25KW: 510.00 185.00 ① ② ③ ④ ⑤ Figure 2-1 Outline dimensions AC terminal 2.2 Electrical system design RTER FAULT PROTECT O DC/DC...
Telephone : +44 (0) 1245 428500 Email : sales@rayleigh.com 2.3 Technical data RI-ENERGYFLOW-3P-SERIES-25- 10KW 15KW 17KW 20KW 25KW DC Input Data 15000 W 22500 W 25500 W 30000 W 37500 W 1100 150 ~ 1000 ( Rated Input Voltage 630V 1 / 1 2 / 1 2 / 2...
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General Data 506 386 185mm Communication -25℃ ~ 60℃ Relative Humidity < 0.2W Transformerless Protection Grades < 30dB < 45dB Warranty 5 / 7 / 10 years *1: The maximum DC input current for RI-ENERGYFLOW-3P-SERIES-25-25KW is 37.5A...
3. Installation and startup Warning! Before installation and maintenance ensure that both the AC and DC sides are fully isolated. Note that if the DC side is just disconnected the capacitors still retain charge. Wait at least 5 minutes to ensure that the capacitors have fully discharged all residual energy before proceeding with any installation or maintenance.
3.4 Mounting procedure Step 1: Drill 4 x Ø10mm holes in the wall as dimensions below. Step 2: A x the mounting bracket to the wall using the 4 expansion bolts supplied in the accessories bag. Step 3: Hang the inverter on the wall-mounted bracket and secure it in place using the fixing screws. 400mm 50mm 4 x Ø10mm holes - depth 50mm...
Telephone : +44 (0) 1245 428500 Email : sales@rayleigh.com 3.5 Electrical connection 3.5.1 Connection to the grid (AC output) wire and earth wire is less than 10ohm. Connect the inverter to the grid: 1) Scrip off PE/N/L1/L2/L3 cables as figure below: Description Remark Protective layer diameter...
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5) The cables are inserted into the terminal accord- 6) Insert the main part of AC connector into the ing to the wire sequence (L1/L2/L3/N/PE), so that terminal and hear a "click" sound. the insulating terminal is flush with the surface of the terminal, and the crimping screw torque is 2.0±0.1N•m.
Telephone : +44 (0) 1245 428500 Email : sales@rayleigh.com 3) Hold the unlocking nut with one hand and 4) Use a screwdriver to peel off the positions (both rotate it in the direction of the mark, and turn the nut sides) indicated by the red circle to complete the in the opposite direction.
3.5.3.1 WIFI/GPRS Communication (optional) Connect the WIFI/GPRS module produced by Rayleigh Instruments to the COM1 port of inverter. After successful connection, information such as power generation and running state of the inverter can be viewed via the App on the phone. For details please refer to the module user manual.
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Telephone : +44 (0) 1245 428500 Email : sales@rayleigh.com 3.5.3.2 Smart Energy Meter Connection (Optional) The inverter is equipped with the feed-in power limit function, and the communication port for smart energy meter is COM2, below is the method of connecting the smart meter in system. COM2 Figure 3-19 3.5.3.3 DRM connection...
3.6 Starting the Inverter Before turning on the inverter, please confirm the following:- 1 ) The three-phase (five wires - PE/L1/L2/L3/N) cable is correctly connected to the inverter AC side through an AC circuit breaker; 2) The DC cable is correctly connected to the inverter DC side through a DC circuit breaker. Ensure the correct connection of the two strings and their polarity.
Telephone : +44 (0) 1245 428500 Email : sales@rayleigh.com 4.2 LCD display Normal/Fault Pac = Set Language English Factory Set Factory Set Vpv1: Pac = Portuguese Set Country Factory Set Factory Set Ipv1X Pac = VDE4105 Vpv2X Factory Set Factory Set Pac = EN50549 Ipv2X...
4.4 Setting language 4.5 Setting modbus address 4.6 Self-Test in accordance with CEI 0-21 (Applies to Italy only) Auto-Test from screen: AutoTest-Italy 0-21 Pac= 10000W...
Solar Admin COM1 History info Protection other 253.0 224.0 264.5 230.5 195.5 230.2 2000 1987 1500 1486 Pass Pass Pass Fmin 34.5 225.0 50.2 50.01 49.8 49.94 AUTOTEST Pass Pass Pass Fmin Read 51.5 51.02 47.50 50.03 Pass Pass 5. Warranty Once the product has been installed and operational, it is paramount to register the product to initiate the Warranty cover, without this, your product would not be covered under our warranty scheme.
Telephone : +44 (0) 1245 428500 Email : sales@rayleigh.com 6.2.1 Routine Maintenance Item Method Period System clean the inverter enclosure if necessary. Check if the air inlet if necessary. Fans Once a year Cable entry Once a year Electrical Connection the metal enclosure.
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