Renogy RCC20RVRE-G1 Manual Download Page 24

Protection Behaviors / Fixes

Behavior

Protective Function / Fixes

Reverse Battery Polarity Protection

The Rover Elite needs a correct battery connection to startup. This 

might mean that the battery cables are reversed. Use a multi-meter 

to make sure your voltage reading has the correct polarity (Red to 

positive and Black to negative) with a positive number in volts DC. 

If the number is negative, switch the positive and negative battery 

cables in the battery terminal of the Rover Elite. 

Solar Panels Reverse Polarity Protection

The solar panel wires are connected in reverse polarity. Verify 

using a multi-meter to make sure your voltage reading has the 

correct polarity with a positive number in volts DC. In some cases, 

with the battery and solar panels both connected in reverse polarity, 

the controller will not turn on, but the controller is not damaged. 

Simply correct the reverse polarity to continue normal operation. 

Solar Panels Over voltage

The controller has a maximum dc voltage input of 100DC. If connecting 

your panels in series, make sure the reading does not go over this limit. 

Check with a multi-meter before connecting to the controller to ensure 

you’re within this specification. This might require using less panels to 

make sure you are within the Rover Elite specified input.

E02 Battery Overcharging

If the battery was charging fine and stopped, it could be because it 

was being overcharged by the solar source if not an external 

source. You might see an E02 display or perhaps an empty 

screen. Make sure your charging sources are not charging at 

16VDC or check to see if your batteries are being equalized, an 

intentional over-charging, that might be triggering this error

.

Current Limiting / E06 / E07

The max amp charging from the Rover Elite will be the respective 

amp rating. The Rover Elite will current limit any excess amperage 

than the rating of the controller, however, be cautious as this might 

create excess heat and put the controller in an internal/external 

temperature protection mode which will halt the controller perfor-

mance until it can cool down and function normally again.

Open Battery Protection Mode

Whether connecting the system for the first time or operating it for 

a while, you may experience an E01 error if the controller does not 

actually detect a battery and assumes it to be under-discharged. 

This can happen in an accidental line break or failure to connect it 

correctly the first time. This will not damage the controller, but you 

will need to make sure the battery voltage is the same as the 

battery terminal voltage or check for continuity. Once fixed, normal 

operation should continue. 

The charge

controller believes

the battery is

over-discharged, 

but it is not 

Current Limiting / 

Temperature

Protection

My system

stopped charging

When connecting

solar panels to the

controller it sounds

an alarm

The battery and solar

panels are connected

to the controller, but

the controller shows

nighttime.

The battery is

connected to the

controller, but the

controller is not

turning on

If the Rover Elite is not functioning properly and is not displaying an error code, it may be under-

going an automatic protection function. This does not mean your Rover Elite is defective, but it 

requires some troubleshooting to commence normal system operation. 

23

Summary of Contents for RCC20RVRE-G1

Page 1: ...20A 40A Version 1 1 ROVER ELITE Maximum Power Point Tracking Solar Charge Controller...

Page 2: ...ght NEVER connect the solar panel array to the controller without a battery Battery must be connected first Ensure input voltage does not exceed 100 VDC to prevent permanent damage Use the Open Circui...

Page 3: ...es Do NOT equalize VRLA type AGM Gel Lithium cell batteries UNLESS permitted by battery manufacturer Default charging parameters in Li mode are programmed for 12 8V Lithium Iron Phosphate LFP Battery...

Page 4: ...e Controller Cable Sizing Operation User Interface LCD indicators MPPT Technology 08 10 13 14 15 16 18 22 22 23 24 24 24 26 25 24 Change the Parameters 09 15 16 Mount the Charge Controller Protection...

Page 5: ...e Rover Elite MPPT is equipped with multiple battery controller and solar protections giving you peace of mind and an optimized system you can trust 12V 24V Auto System Recognition Advanced MPPT Techn...

Page 6: ...1 7 8 40A MPPT Charge Controller ROVER ELITE NOTE Key Parts 1 LCD Screen 2 Operating Keys 3 Mounting Holes 4 RS485 Communication port 5 PV Terminals 6 Battery Terminals 7 Remote Temperature Sensor Por...

Page 7: ...Rover Elite 20 RS485 TEMP BATT 20A MPPT CHARGE CONTROLLER ROVER ELITE 161 5mm 6 36in 97 9mm 3 85in 51 9mm 2 04in 149 5mm 5 89in 135 5mm 5 33in 65 8mm 2 59in 06 Dimensions...

Page 8: ...07 Dimensions are in mm inches NOTE Rover Elite 40 RS485 TEMP BATT 40A MPPT CHARGE CONTROLLER ROVER ELITE 199 5mm 7 85in 129 9mm 5 11in 89 9mm 3 54in 187 5mm 7 38in 173 5mm 6 83in 75 0mm 2 95in...

Page 9: ...ta for very accurate temperature compensation The sensor is supplied with a 9 8ft cable length that connects to the charge controller Simply connect the cable and adhere the sensor on top or the side...

Page 10: ...d tools to have before installation Screwdriver Do not over tighten the screw terminals This could potentially break the piece that holds the wire to the charge controller Refer to the technical speci...

Page 11: ...Battery 1 2 3 10 Connect the Charge Controller Rover Elite 20A counterclockwise clockwise clockwise...

Page 12: ...1 2 3 11 Battery Rover Elite 40A counterclockwise clockwise clockwise...

Page 13: ...1 2 Solar Panels 1 2 12 Rover Elite 20A Rover Elite 40A clockwise clockwise clockwise clockwise...

Page 14: ...ation place the controller on a vertical surface protected from direct sunlight high temperatures and water Make sure there is good ventilation NOTE WARNING 1 3 Place the sensor close to the battery D...

Page 15: ...air 6 inches 150mm Distance Wiring Cable Total Length One Way Distance Cable Size AWG 10ft 14 12AWG 10ft 20ft 12 10AWG The solar controller should be installed as near the battery as possible to avoid...

Page 16: ...n LCD screen and 4 buttons to maneuver though the menus The Error Code will not display unless there is an error The menu will normal ly go from ambient temperature back to the main screen Main Displa...

Page 17: ...meter Setting Mode Hold to Enter Parameter Setting Mode Hold to Save Parameter Mode Cycles forward through the menu Daytime Nighttime mode solar panel charging battery abnormality charging stage param...

Page 18: ...harge Voltage later in this table The user can switch to the KWh screen by pressing the up down button In order to reset the current power value to 0 KWh the user needs to long press the right arrow f...

Page 19: ...OWN ARROW to highlight LI 3 Select Lithium Battery Voltage and Charge Voltage CHG The above settings are ONLY available for LI setting MPPT Technology Therefore assuming 100 efficiency Power In Power...

Page 20: ...raphical point regarding the output of MPPT technology The Rover Elite MPPT charge controller has a 4 stage battery charging algorithm for a rapid efficient and safe battery charging They include Bulk...

Page 21: ...ning a full battery storage capacity In the event that a load drawn from the battery exceeds the charge current the control ler will no longer be able to maintain the battery to a Float set point and...

Page 22: ...g charge which can stir the electrolyte balance battery voltage and complete chemical reaction Equalizing charge increases the battery voltage higher than the standard complement voltage which gasifie...

Page 23: ...cord the ambient temperature found in the controller screen Make sure the controller is not placed in direct line of heating sources or that it is over heating due to over sun exposure The controller...

Page 24: ...are not charging at 16VDC or check to see if your batteries are being equalized an intentional over charging that might be triggering this error Current Limiting E06 E07 The max amp charging from the...

Page 25: ...n RCC20RVRE G1 RCC40RVRE G1 Max Solar Input Power Rated Battery Current Self Consumption 20A 32V 100 VDC 12V 24V Auto Recognition 12V 260W 24V 520W 1 5W 3mV 2V excludes LI 40A 12V 520W 24V 1040W Model...

Page 26: ...y energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a pa...

Page 27: ...Conversion efficiency Conversion efficiency Output power W MPPT 24V conversion efficiency 24V battery Output power W 26 Rover Elite Conversion Efficiency Curves 96 95 94 93 92 91 90 89 88 96 98 94 92...

Page 28: ...renogy cn CN 400 6636 695 1 5 4 CA https ca renogy com supportca renogy com https au renogy com supportau renogy com AU JP https www renogy jp supportjp renogy com https uk renogy com supportuk renog...

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