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Installation Guide                                                              RN5000US 

52 

7.3 Fault Messages on the LCD Display 

If the Status message is “Stop”, the inverter has a fault and the specific issue will be 

displayed at 

Fault

 parameter location. 

DIGIWATTS   RN5000US

Grid: 243V     00.0A

Ttl:   00000kWh 
PV1: 096V    00.0A

Hour: 0000.0h

Power: 0000W

PV2: 002V     00.0A

Fault: Vdc_L

Status: Stop

Renovo   Power   Systems

 

7.4 Operating Modes 

 

Offset  

Offset calibration of the electronics (at start-up) 

 

Wait   

PV voltage is not high enough to start 

 

Run   

Normal operation 

 

Derating  Reduction of the grid fed power due to abnormal temperatures 

 

Stop   

Inverter fault, user interaction required 

 

 

 

 

 

 

 

 

Summary of Contents for Digiwatts RN5000US

Page 1: ...Installation Guide RN5000US 1 PV grid connected inverter Digiwatts RN5000US Installation Guide...

Page 2: ...r some statutes and thus the above exclusion may not apply Specifications are subject to change without prior notice We make extensive effort to make this document is complete accurate and receives ti...

Page 3: ...lation Guide must be closely read and followed Warnings A Warning describes a hazard to equipment or personnel It calls attention to a procedure or practice which if not correctly performed or adhered...

Page 4: ...with the following meanings Warning regarding dangerous voltage The product works with high voltages All work on the product may only be done as described in the documentation Beware of hot surface Th...

Page 5: ...d Renovo Power Service Center Before installing or using the Digiwatts unit read all of the instructions cautions and warnings on the Digiwatts unit the PV array and in this Installation Guide PV arra...

Page 6: ...age Configuration 23 3 1 Opening the Digiwatts Unit 23 3 2 Locating Internal Components 24 3 3 Configuring theAC Voltage 25 4 Mounting 26 4 1 Choosing a Mounting Location 26 4 2 Dimensions and Require...

Page 7: ...47 7 Displays and Messages 49 7 1 LED Operation Indicators 49 7 2 Status Messages on the LCD Display 50 7 3 Fault Messages on the LCD Display 52 7 4 Operating Modes 52 8 Troubleshooting 53 8 1 General...

Page 8: ...before starting the installation WARNING Lethal voltages are present at various points in a PV system For safety reasons it is recommended that only qualified personnel can install and operate this eq...

Page 9: ...em An example of basic PV power system components is shown in the Figure 1 1 PV Ar r ay D i gi w at t s M et er U t i l i t y G r i d Figure 1 1 Digiwatts system is installed in a Utility Interactive...

Page 10: ...st circuit raises input DC voltage within the inverter Then a Maximum Power Point Tracker MPPT ensures that maximum power is extracted from the PV arrays Afterwards a full bridge inverter circuit conv...

Page 11: ...cription Table 1 1 Terminals Description Item Name Description 1 DC inputs Two pairs of DC strain reliefs are the input ports 2 LCD display Running data is displayed on the LCD screen 3 AC outputs Out...

Page 12: ...Guide RN5000US 12 Dimensions and weight Figure 1 4 Dimensions of the Digiwatts unit Table 1 2 Dimensions Value Type Depth mm inch Width mm inch Height mm inch Weight kg lb RN5000US 218 8 6 532 20 9 4...

Page 13: ...temperatures as high as 45 C The Digiwatts system will continue to operate well beyond 45 C and de rates as needed to maintain a safe internal component temperature NOTICE Although the Digiwatts unit...

Page 14: ...dition on the LDC user interface display AC Overcurrent Protection The system will detect the AC current real time Should the AC current exceed 50 ampere the Digiwatts system will shut down and displa...

Page 15: ...the DC cabling If the voltage protection level VP of the surge arresters is greater than 1100 V an additional SPD Type 3 is required for surge protection for electrical devices Figure 1 5 SPD Layout...

Page 16: ...rements of the highest safety criterion of the USA and Canada The Digiwatts system has been tested and listed by ETL to meet the requirements of UL1741 Static Inverters and IEEE 1547 Standard for Inte...

Page 17: ...tage sources are terminated inside this equipment Each circuit must be individually disconnected before servicing When the photovoltaic array is exposed to light it supplies a DC voltage to this equip...

Page 18: ...Avoid coming into contact with the product during operation Read the product s documentation before working on it Follow all safety precautions and instructions as described in the documentation The...

Page 19: ...location and detailed mounting instructions to insure optimum performance Cautions and warnings to be followed to avoid injury and or equipment damage Section 4 Wiring Guidelines for selecting the co...

Page 20: ...receiving documents making sure to obtain the carrier acknowledgment with his her full signature Open the shipping box and inspect the contents for internal damage While unpacking be careful not to d...

Page 21: ...need assistance with a damaged Digiwatts unit contact Renovo Power Contact information for Renovo Power is provided below North America Renovo Power Systems LLC 2723 South State Street Suite 100 Ann A...

Page 22: ...erter unit B Bracket Used for mounting inverter onto the wall C Expansion screws Fastening bracket onto the masonry wall D M6 machine screws Fastening Digiwatts system onto the bracket E User manual I...

Page 23: ...ver forward smoothly 2 Remove any communication or power cables possibly connecting the front cover LCD board 3 Place the cover machine screws and lock washers aside where they will be out of your way...

Page 24: ...e electronic components NOTICE Do not install the Digiwatts unit during periods of precipitation or high humidity 95 Moisture trapped within the enclosure may cause corrosion and damage to the electro...

Page 25: ...board G DSP Board 3 3 Configuring the AC Voltage The Digiwatts system is compatible with 240V AC output The Digiwatts unit comes from the factory pre configured for utility interconnection at 240V AC...

Page 26: ...the inverter Information It is required that the inverter be mounted so that the rating label on the side of the inverter is visible 4 1 Choosing a Mounting Location Consider the following guidelines...

Page 27: ...location that is inaccessible to children The Digiwatts unit emits a slight vibrating noise when operating This vibration is normal and has no effect on performance but it can be objectionable if the...

Page 28: ...t closet or other relative enclosed area sufficient air circulation must be provided to dissipate the heat generated by the inverter Figure 4 2 shows the outer dimensions of the Digiwatts unit The uni...

Page 29: ...cket Information You must ensure that there is sufficient clearance for the flow of the air around the Digiwatts unit In a normal operating environment with good ventilation 50 cm of clearance is suff...

Page 30: ...re that the wall you choose to mount the Digiwatts unit on is sturdy enough to support its weight 27 kg over a long period of time and that the wall is plumb The screws may also be mounted on masonry...

Page 31: ...line spacing of 252mm and a third fastener at the centerline of the bottom of the bracket Expansion screws are provided however it is installers responsibility fasteners are appropriate for wall mater...

Page 32: ...machine screws Figure 4 6 Affix Bottom Tabs of Digiwatts unit to Mounting Bracket 3 Inspect the Digiwatts unit from both sides to ensure that it sits centered on the wall screws 4 Carefully verify tha...

Page 33: ...grated AC or DC disconnects However as a complete assembly or system the unit requires that the customer shall supply external fuses and an isolation device This is not only a good safety practice but...

Page 34: ...ty of the installer to maintain this isolation The Photovoltaic System Grounding shall be installed per the requirements of sections 690 41 through 690 47 of the National Electric Code ANSI NFPA 70 It...

Page 35: ...unit 4 Wire from the PV wires to the DC disconnect 5 Wire from the DC disconnect to the Digiwatts unit 6 Turn the DC switches and or breakers ON 7 Turn the AC switch and or breakers ON 8 To disconnec...

Page 36: ...isconnect the three connections on the front cover LCD display board Note that each connector is unique and only able to reconnect to a single position 3 Put the cover the machine screws and washers t...

Page 37: ...ode NEC ANSI NFPA 70 Use 10 AWG 105 C copper wire for all AC wiring connections to the Digiwatts Voltage drop and other considerations may dictate that larger size wires be used Use only solid or stra...

Page 38: ...es 1 Turn OFF the main breaker in the main utility breaker box 2 Remove the cover and disconnect LCD board connections on Digiwatts unit 3 If you are replacing an existing inverter disconnect the wire...

Page 39: ...Digiwatts unit The figure 5 4 below shows a simplified wiring diagram of a PV system 5 4 1 DC Connection Requirements WARNING All electrical installations must be done in accordance with all local ele...

Page 40: ...wires that carry the DC voltage from the PV array to the Digiwatts unit in the order described in the following procedure Deviating from this procedure could expose you to lethal voltages that can ca...

Page 41: ...input wires from the PV array to the Digiwatts unit Figure 5 4 PV Modules Connection to Digiwatts unit The PV modules connected to either the left or right two DC connectors should be Same type Same n...

Page 42: ...ximum input current WARNING Verify that the DC current of your installation does not exceed the maximum values specified in the rating label Check both the polarity and the open circuit voltage from t...

Page 43: ...unit 6 Verify that all connections are correctly wired and properly torqued 2 5Nm Pull on the cables in order to make sure that they are sufficiently secured within the terminals 5 5 Communication Wir...

Page 44: ...onnect other inverters to RS485 bus in the same way 5 At the end of RS485 bus connect RS485 A cable to RX port of RS232 RS485 converter and connect RS485 B cable to TX port of RS232 RS485 converter 6...

Page 45: ...sure seal that attach the cover to the case as all four screws and enclosure seal are required to ensure that the cover is grounded properly and is fully sealed to the case Handle the cover carefully...

Page 46: ...er are aligned correctly with the four threaded holes in the case 6 While holding the cover in place carefully insert the four machine screws with lock washer through the holes in the cover into threa...

Page 47: ...placed over the PV array is removed 2 Connect the grid voltage to Digiwatts unit by switching on main AC circuit breaker 3 Connect the external DC If there is sufficient sunlight available the Digiwa...

Page 48: ...nd is designed for minimal internal DC power consumption The maximum power that the Digiwatts unit will consume in normal operation is 8W Information Anytime the AC power is disconnected from the inve...

Page 49: ...ts unit is waiting and the middle green LED indicates the Digiwatts unit is running The red LED indicates the status of stop It means that there is some fault either inside the inverter or somewhere i...

Page 50: ...ecking but is insufficient for feeding power to the utility grid Normal Operation The run LED is on the other two are off The inverter has determined that there is enough voltage from the array to ope...

Page 51: ...Table 7 1 Parameter Descriptions Item Parameter Description 1 Model Inverter Model 2 Grid Grid voltage and current 3 Ttl Accumulated energy yield of the device since installation 4 PV1 PV1 input volta...

Page 52: ...TTS RN5000US Grid 243V 00 0A Ttl 00000kWh PV1 096V 00 0A Hour 0000 0h Power 0000W PV2 002V 00 0A Fault Vdc_L Status Stop Renovo Power Systems 7 4 Operating Modes Offset Offset calibration of the elect...

Page 53: ...inside the inverter Be sure to observe all of the safety precautions listed throughout this manual when doing so or hire a qualified professional 3 If the system problem persists contact RENOVO POWER...

Page 54: ...model number of the PV module Output power of the module Open circuit voltage Voc of the module Number of modules in each string If it becomes necessary to send the Digiwatts unit back to the manufact...

Page 55: ...roperly Relay2_un Relay2 is not work properly Vdc_H DC bus voltage is too high VdcL_Wait DC bus voltage is too low when the inverter at Wait mode VdcL_Run DC bus voltage is too low when the inverter a...

Page 56: ...Installation Guide RN5000US 56 9 Technical Specifications 9 1 Digiwatts Wiring Diagrams...

Page 57: ...range or single freq 59 3 60 5Hz J Nominal output voltage ac 240V K Normal output frequency 60Hz L Maximum continuous output current ac 20 8A M Maximum continuous output power ac 5000W N Maximum outp...

Page 58: ...Line to Neutral V Trip Times s 50 119 121 max 0 1602 88 210 212 max 2 002 110 261 263 max 1 001 120 287 289 max 0 1602 240 NOTE This unit or system is provided with fixed trip limits and shall not be...

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