ViewStar Series
ViewStar Series
RENOGY 10A | 20A | 30A
Pulse Width Modulation Solar Charge Controller Manual
2775 E. Philadelphia St., Ontario CA 91761
1-800-330-8678
Important Safety Instructions
Please save these instructions.
This manual contains important safety, installation, and operating instructions for the charge
controller. The following symbols are used throughout the manual to indicate potentially
dangerous conditions or important safety information.
WARNING: Indicates a potentially dangerous condition. Use extreme caution when
performing this task.
CAUTION: Indicates a critical procedure for safe and proper operation of the controller
NOTE: Indicates a procedure or function that is important to the safe and proper operation
of the controller.
General Safety Information

Read all of the instructions and cautions in the manual before beginning the installation.

There are no serviceable parts for this controller. Do NOT disassemble or attempt to repair
the controller.

Do NOT allow water to enter the controller.

Make sure all connections going into and from the controller are tight.
Charge Controller Safety

NEVER connect the solar panel array to the controller without a battery. Battery must be
connected first.

Ensure input voltage does not exceed 48 VDC to prevent permanent damage. Use the
Open Circuit (Voc) to make sure the voltage does not exceed this value when connecting
panels together.

Do not exceed 10A (VS1024BN) or 20A (VS2024BN) or 30A (VS3024BN). The Short
Circuit (Isc) of the solar array should be less than 10A (VS1024BN) or 20A (VS2024BN) or
30A (VS3024BN).
Battery Safety

Use only sealed lead-acid, flooded, or gel batteries which must be deep cycle.

Explosive battery gases may be present while charging. Be certain there is enough
ventilation to release the gases.
1

Be careful when working with large lead acid batteries. Wear eye protection and have
fresh water available in case there is contact with the battery acid.

Carefully read battery manuals before operation.

Do NOT let the positive (+) and negative (-) terminals of the battery touch each other.

Recycle battery when it is replaced.

Over-charging and excessive gas precipitation may damage the battery plates and
activate material shedding on them. Too high of an equalizing charge or too long of one
may cause damage. Please carefully review the specific requirements of the battery used
in the system.

Equalization is carried out only for non-sealed / vented/ flooded / wet cell lead acid
batteries.

Do NOT equalize sealed / VRLA type AGM / Gel cell batteries UNLESS permitted by
battery manufacturer.
WARNING: Connect battery terminals to the charge controller BEFORE connecting the solar
panel(s) to the charge controller. NEVER connect solar panels to charge controller until the battery
is connected.
WARNING: Do NOT connect any inverters or battery charger into the load terminal of the charge
controller.
WARNING: Once equalization is active in the battery charging, it will not exit this stage unless
there is adequate charging current from the solar panel. There should be NO load on the batteries
when in equalization charging stage.
2
Table of Contents
General Information ......................................................................................................................................... 4
Optional Components .................................................................................................................................... 6
Identification of Parts ..................................................................................................................................... 7
Installation ............................................................................................................................................................. 8
Operation ............................................................................................................................................................ 12
1. Monitoring ................................................................................................................................................ 13
2. Device Set ................................................................................................................................................. 14
3. Parameter Set ......................................................................................................................................... 14
4. Load Set ..................................................................................................................................................... 15
6. Test Mode ................................................................................................................................................. 17
7. Password .................................................................................................................................................. 17
8. Batt Mng Mode ....................................................................................................................................... 17
9. Factory Reset ......................................................................................................................................... 17
10. Reboot Device ..................................................................................................................................... 18
System Status Icons .................................................................................................................................... 18
System Status Glossary ............................................................................................................................ 19
System Status Troubleshooting ........................................................................................................... 20
Maintenance ...................................................................................................................................................... 21
Fusing ................................................................................................................................................................... 22
Technical Specifications ........................................................................................................................... 23
Electrical Parameters ................................................................................................................................. 23
Charging Parameters ................................................................................................................................. 24
Charging Parameters Glossary ............................................................................................................. 25
Threshold Voltage Parameters.............................................................................................................. 26
Dimensions ........................................................................................................................................................ 27
Wiring Diagrams ............................................................................................................................................. 30
Limited Warranty for Accessories ....................................................................................................... 35
3
General Information
The PWM 30ACC-ViewStar is an advanced controller for off-grid solar applications. This high
performance PWM charging process is optimized for a long battery life and improved system
performance. It can be used for 12V or 24V battery bank. The control is embedded with selfdiagnostics and electronic protection functions that prevent damages from installation mistakes
or system faults.
Key Features










Automatic recognition for 12V or 24V battery banks.
Dot-matrix, backlit LCD for displaying operating information and data.
Unique dual-timer for the controller’s load terminal.
Full control of parameter settings that can be adjusted.
Sealed, Gel, and Flooded battery option.
4 Stage charging: Bulk, Boost. Float, and Equalization
Temperature compensation and correcting the charging and discharging parameters
automatically, improving battery lifetime.
RJ45 interface for use with the remote meter MT-50, which conveniently checks the
operating parameters of the charge controller
Protection against: overcharging, over-discharging, overload, short-circuit, and reverse
polarity.
Negative ground controller.
PWM Technology
The PWM 30ACC-ViewStar utilizes Pulse Width Modulation (PWM) technology for battery
charging. Battery charging is a current based process so controlling the current will control the
battery voltage. For the most accurate return of capacity, and for the prevention of excessive
gassing pressure, the battery is required to be controlled by specified voltage regulation set points
for Absorption, Float, and Equalization charging stages. The charge controller uses automatic
duty cycle conversion, creating pulses of current to charge the battery. The duty cycle is
proportional to the difference between the sensed battery voltage and the specified voltage
regulation set point. Once the battery reached the specified voltage range, pulse current charging
mode allows the battery to react and allows for an acceptable rate of charge for the battery level.
4
Four Charging Stages
The ViewStar charge controllers have a 4-stage battery charging algorithm for a rapid, efficient,
and safe battery charging. They include: Bulk Charge, Boost Charge, Float Charge, and
Equalization.
Bulk Charge: This algorithm is used for day to day charging. It uses 100% of available solar
power to recharge the battery and is equivalent to constant current.
Boost Charge: When the battery has charged to the Boost voltage set-point, it undergoes an
absorption stage which is equivalent to constant voltage regulation to prevent heating and
excessive gassing in the battery. The default time for this is 120 minutes in the ViewStar
controllers but it can be customizable as needed.
Float Charge: After Boost Charge, the controller will reduce the battery voltage to a float
voltage set point. Once the battery is fully charged, there will be no more chemical reactions and
all the charge current would turn into heat or gas. Because of this, the charge controller will reduce
the voltage charge to smaller quantity, while lightly charging the battery. The purpose for this is
to offset the power consumption while maintaining a full battery storage capacity. In the event that
a load drawn from the battery exceeds the charge current, the controller will no longer be able to
maintain the battery to a Float set point and the controller will end the float charge stage and refer
back to bulk charging.
Equalization: Is carried out every 28 days of the month. It is intentional overcharging of the
battery for a controlled period of time. Certain types of batteries benefit from periodic equalizing
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 gasifies the battery electrolyte.
5
WARNING: Once equalization is active in the battery charging, it will not exit this stage unless
there is adequate charging current from the solar panel. There should be NO load on the batteries
when in equalization charging stage.
WARNING: Over-charging and excessive gas precipitation may damage the battery plates and
activate material shedding on them. Too high of equalizing charge or for too long may cause
damage. Please carefully review the specific requirements of the battery used in the system.
WARNING: Equalization may increase battery voltage to a level damaging to sensitive DC loads.
Ensure that all load allowable input voltages are greater than the equalizing charging set point
voltage.
Optional Components
*The PWM10A/20A/30ACC-Viewstar controller is shipped by itself, without any additional
components.
Optional components that require a separate purchase:
Remote Temperature Sensor (TS-R): Measures the temperature
at the battery and uses this data for very accurate temperature
compensation. The sensor is supplied with a 6.6ft cable length that
connects to the charge controller. (Figure 1)
Figure 1
NOTE: The 10A/20A/30A-ViewStar controller comes equipped with
a temperature sensor, but it is ONLY for the charge controller’s
temperature compensation, not the battery’s
Temperature compensation.
LCD Display Tracer Meter (MT-50): Allows for real time monitoring of the
charge controller. Perfect for circumstances where the user cannot easily
access the controller or modify its parameters. It is supplied with a 5.9 ft.
cable and a mounting frame that connects to the RJ45 port on the
ViewStar. (Figure 2)
External Battery (RTC): Allows for access to the charge controller’s
saved settings, charge accumulation, and discharge accumulation without
connecting a deep cycle marine battery. It keeps track of the date/time for
automatic equalization charging purposes.
Figure 2
6
Identification of Parts
1
2
4
1
6
4
2
5
5
3
3
6
8
7
7
7
8
Figure 3: 10A/ 20A ViewStar Model
Figure 4: 30A ViewStar Model
Figure 5: 30A ViewStar Model
PV
Terminal
BATTERY
Terminal
LOAD
Terminal
Key Parts
1. Charging LED Indicator—LED indicator showing charge status.
2. Fault LED indicator—LED indicator showing system faults.
3. Local Temperature Sensor—acquires ambient temperature to perform temperature
compensation for charging and discharging.
4. Liquid Crystal Display (LCD)—monitoring interface for solar parameters and system status.
5. Navigation Buttons—operate and configure the charge controller.
6. External battery slot—mount cell battery (RTC)
7. RJ45 port for MT-50 Tracer (optional accessory)—connects remotely to temperature
sensor in order to acquire ambient temperature.
8. TS-R port for Remote Temperature Sensor (optional accessory)—acquires temperature
of the battery to perform temperature compensation.
7
Installation
Recommended tools to have before installation:
Flathead Screwdriver
Multi-Meter
WARNING: Connect battery terminal wires to the charge controller FIRST then connect the solar
panel(s) to the charge controller. NEVER connect solar panel to charge controller before the battery.
WARNING: Do NOT connect any inverters or battery chargers into the load terminal of the charge
controller.
INVERTER
BATTERY
CHARGER
HIGH AMP
DRAWING DEVICE
CAUTION: Do not over-torque or over tighten the screw terminals. This could potentially break
the piece that holds the wire to the charge controller.
CAUTION: Refer to the technical specifications for max wire sizes on the controller and for the
maximum amperage going through wires.
You are now ready to begin connecting your battery to your charge controller.
8
Battery
1
2
3
Load (Optional)
1
2
9
Solar Panels
1
2
3
Temperature Sensor (if applicable)
1
10
MT-50 Tracer (If applicable)
1
2
Mounting Recommendations:
WARNING: Never install the controller in a sealed enclosure with flooded batteries. Gas can
accumulate and there is a risk of explosion.
1. Choose Mounting Location—place the controller on a vertical surface protected from
direct sunlight, high temperatures, and water. Make sure there is good ventilation.
2. Check for Clearance—verify that there is sufficient room to run wires, as well as
clearance above and below the controller for ventilation. The clearance should be at least
6 inches (150mm).
3. Mark Holes
4. Drill Holes
5. Secure the charge controller.
6 inches
(150mm)
6 inches
(150mm)
11
Operation
After connecting the battery to the charge controller, the controller will turn on automatically. The
user will be prompted by an initialization screen for a few seconds followed by the Default Screen.
Welcome
V2.37+V2.65
Use the following buttons to maneuver
through the menu:
MENU/ 
Menu / Cursor Left
/
Cursor up / Number add
button
/-
Cursor down / Number
reduce button
ENTER/ 
Enter / Cursor right button
Jan01 12:12:12
MENU/ 
Select
selection
to display the screen
1. Monitoring
2. Device Set
3. Parameter Set
4. Load Set
5. Rated Value
6. Test Mode
7. Password
8. Battery Mng Mode
9. Factory Reset
10. Reboot Device
NOTE: In some models, you might be prompted to enter a password. Simply put “0” all the way
through and press enter.
NOTE: To customize charge parameters, TYPE must be set to USER under 5. Rated Value.
NOTE: The values found in your controller are default values and will not necessarily match the
ones listed. The values on this table are to show the user what the different screens are used for.
NOTE: You do NOT have to program the control. These parameters are for extra features. Once you
connect the battery the settings are automatically synced.
12
1. Monitoring
Use
/
/-
to maneuver through the screens
PV
0.0V 0.0A
Indicates the voltage (V) and amperage (A) that the
solar panel(s) are delivering to the controller
BATT
12.5V 0.0A
Indicates the voltage (V) and amperage (A) that the
solar panel(s) are delivering to the battery
TEMP 20.0 C °
SOC 7%
Indicates the ambient temperature as well as the SOC
(State of charge) of the battery
NOTE: If the remote temperature sensor is connected,
the temperature will reflect that temperature instead
Indicates Load voltage (V) and amperage (A) draw
LOAD
12.5V 0.0A
PV: Disconnect
BATT: NoCharge/ Normal
LOAD: On
DEVICE: Normal
Charg. Energy
Day: 0.00kWh
Mon: 0.00kWh
Total: 0.00kWh
System status of components—PV panels, Battery
status, Load status, and Device functionality. Refer to
System Status Glossary for more information
The kilowatt hours accumulated in a day, Month, and
total since the controller has been turned on
NOTE: Once the battery is disconnected, the values are
reset to 0 unless there is an external battery installed
on the controller face
System status icons, date, and time. Refer to System
Status Icons for more information
Jan01 12:12:12
13
2. Device Set
Use
/-
/
Device Set
Date: 00-00-0000
Time: 00:00:00
to cycle through the screens. Press
ENTER/ 
to select
Modify the date and time for the charge controller.
Time is displayed in military time (24Hr) and will be
reflected in the default screen. Select Save when
finished. The user will have to select save parameters
after every screen.
Save Parameters?
>Save
Cancel
Device Set
ID: 001
Backlit: 000 sec
Device Set
Temp Unit:
>Cel
Modify the time the backlight is on for the charge
controller. Backlit operation is in effect once the last
button is pressed. The user could use the ID to
connect to a tracer meter and save parameters. Select
Save Parameters when finished.
Choose between Celsius or Fahrenheit when viewing
system status temperature.
Fah
3. Parameter Set
NOTE: To customize charge parameters, TYPE must be set to USER under 5. Rated Value.
Otherwise this screen is only for information in regards to the charge parameters.
NOTE: Minimum and maximum charge parameter values can be found in Technical
Specifications
Parameter Set
Temp Compensate Coeff
-03.0 mV / C ° / 2V
Parameter Set
Over Vol. Disc: 16.0V
Charg Lmt: 15.0V
Over Volt. Rect: 15.0V
Indicates Temperature Compensation. Temperature
fluctuation can affect performance in the system.
Therefore, the purpose of temperature compensation
is to adjust the performance of the system to keep the
system functioning normally.
Parameters for Over-Voltage Disconnect, Charging
Limit, and Over-Voltage Reconnection.
14
Parameter Set
Equal Chrg:
14.6V
Boost Chrg:
14.4V
Float Chrg:
13.8V
Parameters for commencing Equalization Charging,
Boost Charging, and Float Charging.
Parameter Set
Boost V.
Rect: 13.2 V
Under V.
Rect: 12.2 V
Under V.
Warn: 12.0 V
Parameters for Boost Voltage Reconnect, Boost
Under-Voltage Reconnect, and Boost Under-Voltage
warning.
Parameter Set
Low V. Rect: 12.6V
Low V. Disc: 11.1V
Discharg Lmt: 10.6V
Parameters for controller Low Voltage-Reconnect,
Low Voltage-Disconnect, and the Discharge Limit.
Parameter for setting a time duration for when the
controller approaches Equalization Charging and
Boost Charging.
Parameter Set
Equa. Time: 120Min
Boost Time: 120Min
4. Load Set
Use
/
/-
Manual
Light On/Off
Light On+Timer
Timer
Manual Default
>ON OFF
to cycle through the screens. Press
ENTER/ 
to select
A load selection menu allows the user to control the
load terminal activation automatically, manually, or
with a timer.
This function will set the controller to manual mode by
default so the user is able to control when to turn the
load on or off.
NOTE: The user will need to set delay time to “0” so
that manual mode can be instant as opposed to waiting
for the delay time to pass.
15
In Light On/Off, the user sets parameters to turn the
load on or off.
Manual
Light On/Off
Light On+Timer
Time
The load terminal automatically turns on when the
solar voltage goes BELOW the point of NTTV (Night
Time Threshold Voltage).The load automatically turns
off when the voltage goes ABOVE the point of DTTV
(Day Time Threshold Voltage). There is a delay
between turning the load on or off and can be
programmed to be from 0-99minutes.
Light On/Off
On: 05.0V
Delay: 10m
Off: 06.0V
Delay: 10m
NOTE: Minimum and maximum charge parameter
values can be found in Technical Specifications
Similar to Light On/Off parameter with the addition of
a timer that the user sets in order to indicate how long
a load will be on or off. The user also sets an
appropriate time for when it is night time.
Light On + Timer
On: 05.0V
Delay: 10m
Off: 06.0V
Delay: 10m
Night Time: 12:00
NOTE: Timer needs to be activated for it to work.
Using a 24-hour clock, the user is able to set the time
for when the load will turn on and the time for when
the load will turn off.
Time Control 1
On Time: 19:00:00
Off Time: 06:00:00
5. Rated Value
Use
/
/-
to cycle through the screens. Press
ENTER/ 
to select
NOTE: To customize charge parameters, BATT must be set to USER
Rated Value
Batt: AUTO
0200AH
Load: 20.0A
PV:20.0A
Type: Seal
For BATT: the user selects which battery describes
the one they have—12V, 24V, or AUTO
For Type: The user chooses from Gel, Sealed,
Flooded or USER
The user is able to modify the Amp-hours (AH) to
reflect the actual battery capacity.
NOTE: The Load and PV options will not be adjustable
since the value is based on the charge controller.
16
6. Test Mode
/
Use
Load: > ON
/-
to cycle through the screens. Press
ENTER/ 
to select
Test the load of the charge controller. Once settings
have been set in 4. Load Set, the user is able to test
whether the load will turn on upon direction.
Test Mode
OFF
NOTE: Delay must be set to “0” to see immediate
results.
7. Password
/
Use
/-
to cycle through the screens. Press
ENTER/ 
to select
Setting a password for the controller prohibits the user
from programming the controller unless the password
is set.
Password
Ori.PSW: 000000
NewPSW: 000000
NOTE: Default Password is “00000” if it prompts the
user to enter a password before they set one.
8. Batt Mng Mode
/
Use
/-
to cycle through the screens. Press
Batt Mng Mode
>V.C.
SOC
ENTER/ 
to select
Voltage Compensation and State of Charge Battery
Managing modes to determine battery charge status.
NOTE: It is not possible to measure actual SOC, but rather express it as a percentage of some
reference. In this case it is voltage alone (VC) or battery capacity over a time span (SOC).
VC. converts a reading from battery voltage to determine SOC by utilizing the charge
controller’s algorithm for known discharge. It is highly sensitive to temperature changes and battery
disturbances thus having less accurate battery charge statuses.
SOC is more accurate by keeping track of the voltage and current flow in and out of the battery
when reporting battery charge status. The SOC is determined by multiplying current by the time for
which it flowed.
9. Factory Reset
Use
>NO
/
/-
Factory Reset
YES
to cycle through the screens. Press
ENTER/ 
to select
Reset the controller to factory settings. This will erase
any customized parameters the user may have set.
17
The screen will be followed up by a secondary screen
to make sure a factory reset is what the user intends
to do.
Really to reset?
>NO
YES
10. Reboot Device
Use
>NO
/
/-
to cycle through the screens. Press
Reboot Device?
YES
ENTER/ 
to select
This parameter will reboot the charge controller
without losing any of the customized settings the user
may have set.
System Status Icons
Jan01 12:12:12
PV
BATTERY
SYSTEM
LOAD
Day/ PV
Charging
Battery
Charging
System
Normal
Load ON
Night/ PV
Not
Charging
Battery
Level Full
UVW
Battery Low
Voltage
Load OFF
LVD
18
System Status Glossary
PV: Disconnect
BATT: NoCharge/ Normal
LOAD: On
DEVICE: Normal
PV Status
Connect
Disconnect
Measure Err
Over Current
MOS-I Short
MOS-C Short
MOS Break
BATT Status
Equalize
Boost
Float
NoCharge
LVD
UVW
Normal
OVD
Error
OverTemp
LOAD Status
On
Off
Overload
Short
Error
MOS Short
DEVICE Status
Normal
OverTemp
Meaning
PV is Connected
PV is Disconnected
Measurement Error at the PV terminal
PV is Overcurrent
(Metal oxide semiconductor) used for PV reverse
polarity is short.
(Metal oxide semiconductor) used for charging is
short.
(Metal oxide semiconductor) in control circuit is
damaged
Meaning
Battery is equalizing
Battery is in boost mode
Battery is in float mode
No charge to battery
Low voltage disconnect
Under voltage warning
Battery is normal
Over voltage disconnect
Battery experiencing error
Battery is too hot, over temperature
Meaning
Load On
Load Off
Load is overloaded
Load connection is short
Load experiencing error
Metal oxide semiconductor used in load is short
Meaning
Charge controller normal
Charge controller too hot
19
System Status Troubleshooting
Indicator
Status
Description
Connect
The controller recognizes the PV
solar
panel(s).
System
is
functioning normally.
Disconnect
Indicator
PV Status
Measure Err
OverCurrent
MOS-I Short
Indicator
The controller does not recognize
the solar panel(s).
Troubleshoot
N/A
If it is nighttime, the light will be
off. Otherwise double check
that the poles are not
switched.
Troubleshoot
Check connections and make sure there is not a short somewhere
along the line. Use a multi-meter to determine whether the panel(s)
output is normal prior to connection. Then reset the controller to
factory settings.
Use a multi-meter to determine whether solar panel(s)
specification match the nominal parameters of the charge
controller.
Reset the controller to factory settings. If problem persists, contact
the supplier
MOS-C Short
Reset the controller to factory settings. If problem persists, contact
the supplier
MOS Break
Reset the controller to factory settings. If problem persists, contact
the supplier
BATT Status
Error
Troubleshoot
Check that the battery connections are properly connected to the
battery terminals of the charge controller. Make sure there is no
short along the line. Reboot the controller. If problem continues,
reset the controller.
20
OverTemp
OVD
Indicator
LOAD Status
Overload
Check battery parameters and make sure they are suitable to be
used with the charge controller. Use a multi-meter to check battery
voltage to reaffirm the controller’s diagnosis.
Troubleshoot
Check to make sure the devices connected to the load terminal are
within the load specification. If so, then reduce the number of loads
and it will reconnect automatically.
Short
Check the device wiring and connections going into the load.
There may be a break in the wire.
Error
Reset the controller to factory settings. If problem persists,
contact supplier.
MOS Short
Indicator
Place the controller in a cooler environment where it will
automatically reconnect.
Device Status
OverTemp
Reset the controller to factory settings. If problem persists,
contact supplier.
Troubleshoot
Place controller in cooler environment and it will automatically
reconnect.
Maintenance
For best controller performance, it is recommended that these tasks be performed from time to
time.
1. Check that controller is mounted in a clean, dry, and ventilated area.
2. Check wiring going into the charge controller and make sure there is no wire damage or
wear.
3. Tighten all terminals and inspect any loose, broken, or burnt up connections
4. Make sure readings in the LCD and LED are consistent.
21
Fusing
Fusing is a recommended in PV systems to provide a safety measure for connections going from
panel to controller and controller to battery. Remember to always use the recommended wire
gauge size based on the PV system and the controller.
NEC Maximum Current for different Copper Wire Sizes
AWG
16
14
12
10
8
6
4
2
0
Max.
10A 15A 20A 30A 55A 75A 95A 130A 170A
Current
Fuse from Controller to Battery
Controller to Battery Fuse = Current Rating of Charge Controller
Ex. 30A ViewStar CC = 30A fuse from Controller to Battery
Fuse from Solar Panel(s) to Controller
Ex. 200W; 2 X 100 W panels
Series:
Total Amperage = Isc1 = Isc2 = 5.75A * 1.56
Fuse = minimum of 5.75A * 1.56 = 8.97A = 9A fuse
Parallel
Total Amperage = Isc1 + Isc2 = (5.75A + 5.75A) * 1.56
Fuse = minimum of 11.5 * 1.56 = 17.94 = 18A fuse
22
Technical Specifications
Electrical Parameters
Model
VS1024BN
VS2024BN
VS3024BN
Nominal system voltage
12V/24V auto recognition
Rated battery current
10A
20A
30A
Rated load current
10A
20A
30A
Max. battery voltage
32V
Max. Solar Input
48V
Equalize charging voltage
Sealed: 14.6V, Flooded: 14.8V, User-defined: 9~17V
Gel:
14.2V, Sealed: 14.4V, Flooded: 14.6V, User-defined: 9~17V
Boost charging voltage
Float charging voltage
Gel /Sealed /Flooded: 13.8V, User-defined: 9~17V
Low voltage reconnect
Gel /Sealed /Flooded: 12.6V, User-defined: 9~17V
voltage
Low voltage disconnect
Gel /Sealed /Flooded: 11.1V, User-defined: 9~17V
voltage
Self-consumption
≤15mA(12V); ≤10mA(24V);
Grounding
Common negative
Temp. compensation
-3mV/℃/2V
Relative humidity
10%~90% Non-condensation
Communication
RS485 / RJ45 interface
LCD temperature
-20℃ ~ +70℃
Working temperature
-25℃ ~ +55℃
Humidity
≤95% N.C.
Enclosure
IP30
Overall dimension
6.38x3.35x1.57inch 6.38x3.94x1.97inch 7.87x4.05x2.28inch
(162x85x40mm)
(162x100x50mm)
(200x103x58mm)
Terminals
4mm2
10mm2
16mm2
(Up to #12 AWG)
(Up to #8 AWG)
(Up to #6 AWG)
Net weight
0.66 lbs. (0.3kg)
0.88 lbs. (0.4kg)
1.54 lbs. (0.7kg)
Battery Type
Gel, Sealed (AGM), and Flooded
23
Charging Parameters
NOTE: Under the USER battery setting, the parameters can be adjusted within the boundaries of
the max and min values listed below.
Parameter
Battery type
High Volt Disconnect
(Over-voltage disconnect)
Charging Limit Voltage
Over Voltage Reconnect
Equalization Voltage
Boost Voltage
Float Voltage
Boost Return Voltage
Low Voltage Reconnect
Under Voltage Recover
Under Voltage Warning
Low Voltage Disconnect
Discharging Limit Voltage
Equalize Duration
Boost Duration
Default
Max
Min
Default
Max
Min
Default
Max
Min
Default
Max
Min
Default
Max
Min
Default
Max
Min
Default
Max
Min
Default
Max
Min
Default
Max
Min
Default
Max
Min
Default
Max
Min
Default
Max
Min
N/A
N/A
Gel
16.0V; x2/24V
17.0V; x2/24V
15.0V; x2/24V
15.0V; x2/24V
16.0V; x2/24V
14.0V; x2/24V
15.0V; x2/24V
16.0V; x2/24V
14.0V; x2/24V
N/A
N/A
N/A
14.2V; x2/24V
15V; x2/24V
13.8V; x2/24V
13.8V; x2/24V
14.2V; x2/24V
13.2V; x2/24V
13.2V; x2/24V
13.5V; x2/24V
12.7V; x2/24V
12.6V; x2/24V
12.9V; x2/24V
12.3V; x2/24V
12.2V; x2/24V
12.6V; x2/24V
11.8V; x2/24V
12.0V; x2/24V
12.4V; x2/24V
11.6V; x2/24V
11.1V; x2/24V
11.8V; x2/24V
10.5V; x2/24V
10.6V; x2/24V
11V; x2/24V
10.5V; x2/24V
N/A
2 hours
Sealed
16.0V; x2/24V
17.0V; x2/24V
15.0V; x2/24V
15.0V; x2/24V
16.0V; x2/24V
14.0V; x2/24V
15.0V; x2/24V
16.0V; x2/24V
14.0V; x2/24V
14.6V; x2/24V
15.2V; x2/24V
14.2V; x2/24V
14.4V; x2/24V
15V; x2/24V
13.8V; x2/24V
13.8V; x2/24V
14.2V; x2/24V
13.2V; x2/24V
13.2V; x2/24V
13.5V; x2/24V
12.7V; x2/24V
12.6V; x2/24V
12.9V; x2/24V
12.3V; x2/24V
12.2V; x2/24V
12.6V; x2/24V
11.8V; x2/24V
12.0V; x2/24V
12.4V; x2/24V
11.6V; x2/24V
11.1V; x2/24V
11.8V; x2/24V
10.5V; x2/24V
10.6V; x2/24V
11V; x2/24V
10.5V; x2/24V
2 hours
2 hours
Flooded
16.0V; x2/24V
17.0V; x2/24V
15.0V; x2/24V
15.0V; x2/24V
16.0V; x2/24V
14.0V; x2/24V
15.0V; x2/24V
16.0V; x2/24V
14.0V; x2/24V
14.8V; x2/24V
15.2V; x2/24V
14.2V; x2/24V
14.6V; x2/24V
15V; x2/24V
13.8V; x2/24V
13.8V; x2/24V
14.2V; x2/24V
13.2V; x2/24V
13.2V; x2/24V
13.5V; x2/24V
12.7V; x2/24V
12.6V; x2/24V
12.9V; x2/24V
12.3V; x2/24V
12.2V; x2/24V
12.6V; x2/24V
11.8V; x2/24V
12.0V; x2/24V
12.4V; x2/24V
11.6V; x2/24V
11.1V; x2/24V
11.8V; x2/24V
10.5V; x2/24V
10.6V; x2/24V
11V; x2/24V
10.5V; x2/24V
2 hours
2 hours
24
NOTE: The following rules MUST be obliged when setting custom parameters.
Rule 1: High Volt Disconnect > Charging limit voltage ≥ Equalization voltage ≥ Boost
voltage ≥ Float voltage > Boost return voltage;
Rule 2: High Volt Disconnect > Over Voltage Reconnect;
Rule 3: Charging Limit Voltage > Low voltage reconnect > Low voltage disconnect;
Rule 4: Charging Limit Voltage > Under voltage recover > under voltage warning;
Rule 5: Boost return voltage > Low voltage reconnect;
Charging Parameters Glossary
High Volt Disconnect—users can use the default parameters or assign a rated voltage value
that the charge controller will operate. When and if the charge controller experiences a voltage
higher than what is assigned, it will disconnect itself from the circuit; ceasing charge.
Charging Limit Voltage—depending on the batteries used, there might be a battery charging
limit voltage that is recommended for the battery. This parameter ensures that the charge
controller does not exceed the default or assigned rated charging limit voltage. This is usually put
into play to optimize and extend the life of the battery. Relatively speaking, the higher the charging
voltage then there is a correlation for reduced battery efficiency. (Likewise the lower the discharge
voltage affects battery efficiency.
Over-voltage Reconnect—In the event a charge controller experiences an over-voltage
condition set by the previous two parameters, then this reconnecting parameter is put into play to
direct the controller when it can connect and safely charge again. Typically over-voltage
reconnection is achieved when time has passed (ex. The sun setting), or when the over-voltage
condition is remedied ultimately reducing the voltage to a user defined charging voltage.
Equalization Voltage—equalization voltage is a corrective over-charge of the battery. The user
should consult their battery manufacturer regarding specific battery equalization capacity. This
parameter sets the equalization voltage to set the battery at when it reaches the equalization
state.
Boost Voltage—users should check with their battery manufacturer for proper charging
parameters. In this stage, users set the boost voltage where the battery will reach a voltage level
and remain there until the battery undergoes an absorption stage
Float Voltage—once the charge controller recognizes the set float voltage, it will commence
floating. The battery is supposed to be fully charged in his state, and the charge current is reduced
to maintain battery stability levels.
Boost Return Voltage—if at any point, the battery voltage levels registers to be below the boost
return voltage for an extended period amount of time, then the charge controller will commence
the boost stage once again.
25
Low Voltage Reconnect—this parameter allows loads connected to the system will be able to
operate (not fully) again.
Under-voltage Recover—deals with the loads connected to the system. When batteries are
determined to be low due to them approaching low voltage disconnect, then the loads will be shut
off to give the batteries time to recover. This parameter sets the controller to shut off the loads
until it can reach the low voltage reconnect stage.
Under-voltage Warning—this parameter deals with the batteries themselves approaching the
under-voltage recovery state. The user should minimize loads before the charge controller
approaches a level where it will do this automatically to protect the battery from discharging
Low-voltage disconnect—prevents over-discharge of the batteries by automatically
disconnecting any loads. This extends battery life and is the precedent to being in an under
voltage state, recovering from the under voltage state, and finally reconnecting to normal
operational state.
Discharging limit Voltage—the user can set the “discharge” limit of a battery if they choose to
better protect the battery and expand its life. The following chart serves as an example of voltages
and their state of charges. Note that the higher the charging limit and lower the discharge limit
correlates with overall low battery life.
State of Charge
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0
12 V Battery
12.7
12.5
12.42
12.32
12.20
12.06
11.9
11.75
11.58
11.31
10.5
Volts per Cell
2.12
2.08
2.07
2.05
2.03
2.01
1.98
1.96
1.93
1.89
1.75
Threshold Voltage Parameters
The following chart demonstrates the parameters when using the Timer under load settings.
Description
Day Time Threshold Voltage (DTTV)
Night Time Threshold Voltage (NTTV)
Default
Max
Min
Default
Max
Min
Parameter
5V; x2/24V
10V; x2/24V
1V; x2/24V
6V; x2/24V
10V; x2/24V
1V; x2/24V
26
Dimensions
10A VS1024BN
27
20A VS2024BN
28
30A VS3024BN
29
Wiring Diagrams
100W Wiring Diagram
12V Battery Bank
4
5
3
2
6
2
1
1. Solar Panel
4. Charge Controller (10A/20A/30A),
2. Fuse
5. Tray Cable
3. Adapter Kit
6. Battery Bank (12V)
30
200W Wiring Diagram—Series
12V Battery Bank
4
2
3
5
6
2
1
1. Solar Panels
4. Charge Controller (20A/30A),
2. Fuse
5. Tray Cable
3. Adapter Kit
6. Battery Bank (12V)
31
200W Wiring Diagram—Parallel
12V Battery Bank
5
3
4
6
7
3
2
1
1. Solar Panels
2. MC4 Branch Connectors
3. Fuse
4. Adapter Kit
5. Charge Controller (20A/30A)
6. Tray Cable
7. Battery Bank (12V)
32
300W Wiring Diagram—Parallel
12V Battery Bank
5
4
3
6
7
3
2
2
1. Solar Panels
2. MC4 Branch Connectors
5. Charge Controller (30A)
6. Tray Cable
3. Fuse
4. Adapter Kit
7. Battery Bank (12V)
33
400W Wiring Diagram—Parallel
12V Battery Bank
5
3
4
6
7
3
2
2
1. Solar Panels
4. Charge Controller (30A),
2
2. Fuse
5. Tray Cable
3. Adapter Kit
6. Battery Bank (12V)
34
Updated: July 30, 2015
www.Renogy.com
Limited Warranty for Accessories
Thank you for your interest in the products and services of RNG Group Inc. By acquiring the products of
RNG Group Inc., you have purchased quality. As a sign of confidence in our quality, we are pleased to
grant you with the following warranties for our photovoltaic products.
1. Limited Warranty
The products manufactured by RNG Group Inc. (the “Warrantor”) are warranted to be free from defects in
workmanship and materials under normal use and service. The warranty is in effect from the date of
purchase by the user (the “Purchaser”). This limited warranty covers substantial defects in material or
workmanship and performance.
If any RNG Group Inc. product(s) fail to follow this Limited Warranty and any and all power loss is
determined by the Warrantor’s technical support team then the Warrantor will either repair or replace the
defective product(s) with a new or refurbished product(s). All replacements will be compatible with the
original product(s) with an equal or even greater power rating (in some cases). If for any reason RNG Group
Inc. is unable to repair or replace the defective product(s) then a refund can occur.
*Please note that all outsourced product(s) will not be covered by RNG Group Inc.’s limited material and
workmanship warranty. Instead, outsourced products will be covered under the original manufacturer’s
warranty, if applicable. Including but not limited to Samlex America, Enphase Energy, MidNite Solar Inc.,
VMAX USA, UPG (Universal Power Group), etc.
Material and Workmanship Warranty period for the following products after August 1st, 2015:
INVT-500-12V; INVT-1000-12V; INVT-1500-12V; INVT-2000-12V
AK-10FT-10; AK-10FT-12; AK-20FT-10; AK-20FT-12; AK-30FT-10; AK-30FT-12;
AK-40FT-10; AK-40FT-12; AK-9IN-12; BATTERYCB-12IN-4; BATTERYCB-14IN-4;
BATTERYCB-16IN-4; EXTCB-1.5FT-12; EXTCB-5FT-10; EXTCB-5FT-12; EXTCB10FT-10; EXTCB-10FT-12; EXTCB-15FT-10; EXTCB-15FT-12; EXTCB-20FT-10;
EXTCB-20FT-12; INVTCB-5FT-4; TRAYCB-8FT-8; TRAYCB-8FT-10; TRAYCB8FT-12; TRAYCB-16FT-8; TRAYCB-16FT-10; TRAYCB-16FT-12; CNCT-FUSE10;
CNCT-FUSE15; CNCT-FUSE20; CNCT-FUSE30; CNCT-MC4; CNCT-MC4Y;
TRCRMTR-MT-5; TRCRMTR-MT-150; TRCRMTR-MT-50; TRCRMTR-MT-5;
TRCRMTR-MT-1; CTRL-MPPT20; CTRL-MPPT40; CTRL-PWM10DB; CTRLPWM10; CTRL-PWM20DB; CTRL-PWM30; CTRL-PWM30-LCD; CTRL-PWM5;
CTRL-PWM10-LCD-VS; CTRL-PWM20-LCD-VS; CTRL-PWM30-LCD-VS; CTRLADV30-LCD; CTRL-WND30; MTS-ZB; MTS-SP100; MTS-TM100; MTS-EC35;
MTS-EC40; MTS-EC50; MTS-LF; MTS-MC35; MTS-MC40; MTS-MC50; MTS-RS;
MTS-RL5FT; MTS-QMSC; MTS-BDRL10FT; TRCRMTR-MT-150; TOOL-MC4;
CTRL-VS-TS; CMP-SF25000; LED-Wall Light; LED-MR16; LED-BULB; LEDBULBX4; LED-STRIP; CMP-B-EGO14.1; CMP-EGO10000; CMP-EGOS2800;
CMP-EFL14; CMP-EBOT-S; CMP-EBOX-2.1; CMP-EGOMN2600
3 year material
and
workmanship
warranty
1 year material
and
workmanship
warranty
RENOGY is a trademark of RNG Group Inc.
2015 RNG Group Inc. All rights reserved.
2. General Conditions for Warranty Claims
For Workmanship and Material Warranty: If the Purchaser experiences any defects in materials and
workmanship under normal application, such as defects and/or failures due to manufacturing or due to
materials, it is their responsibility to contact the Warrantor’s technical support team. The technicians will
offer steps and procedures to test the product(s), repair the product(s) or require the Purchaser to ship the
product(s) to the technical support team if needed. Based on the outcome, the warranty service will then
be in effect.
This warranty extends only to the original Purchaser. If gifted or resold the customer must go through the
original Purchaser in order to claim warranty. Original order information is needed to claim warranty. If
original order was shipped within the US, the Purchaser will be responsible for additional shipping costs out
of the US. The Customer’s sole and exclusive remedy and the entire liability of the Warrantor, its suppliers
and affiliates for breach of the warranty is, either to replace the product(s) or component parts of the
product(s) and in some cases refund the product(s) cost. This warranty does not cover labor. Products that
have been serviced or replaced under their warranty period do not receive extended warranties. Instead,
the serviced/replaced product(s) will abide to the original warranty period issued when first purchased. No
employee, agent, dealer or any other person is authorized to give any warranties on behalf of the Warrantor,
not expressly set forth in this limited warranty.
3. Exclusions and Limitations
The warranty does not cover failures result from incorrect handling, product modifications, installation,
conversion or additions, supplements, operation, natural elements (weather), excessive or deficient energy
supply, chemicals, the effect of solid bodies or deliberate damage. If the Warrantor determines that the
problem with the product(s) is not due to a manufacturing defect in the Warrantor’s workmanship or
materials, or otherwise does not qualify for warranty repair, then the Purchaser will be responsible for all
costs incurred by the Warrantor necessary to repair, replace and transport the product(s).
The warranty shall be asserted with the Warrantor in writing enclosing a copy of the invoice and a
description of the defect/loss of performance within the warranty period. The Warrantor shall accept no
returns of product(s) without the previous written request for this. Within five (5) business days of the date
of notification, the Warrantor will provide the Purchaser with an RMA number and the location to which the
Purchaser must return the defective module(s). Any product(s) returned for valid warranty service shall be
shipped at the expense and risk of the Warrantor. The Purchaser must return the product(s) (or, if
authorized by the Warrantor, the defective component parts), within fifteen (15) days after issuance of the
RMA number. The Warrantor will be under no obligation to accept any returned product(s) that does not
have a valid RMA number. All parts that the Warrantor replaces shall become the Warrantor’s property on
the date the Warrantor ships the repaired product(s) or part back to the Purchaser. The Warrantor will use
all reasonable efforts within thirty (30) days of receipt of the defective product(s) to repair or replace such
product(s). If a warranty claim is invalid for any reason, the Purchaser will be charged at the Warrantor’s
then-current rates for services performed and will be charged for all necessary repairs and expenses
incurred by the Warrantor. If the Warrantor determines that a warranty claim is valid, it will ship the repaired
or replaced product(s) to the Purchaser at the Warrantor’s cost.
RNG GROUP INC. MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY
OR CONDITION ARISING OUT OF A COURSE OF DEALING, CUSTOMER OR USAGE OF TRADE.
RENOGY is a trademark of RNG Group Inc.
2015 RNG Group Inc. All rights reserved.
LIMITATION OF LIABILITY
UNDER NO CIRCUMSTANCES WILL RNG GROUP INC. OR ITS AFFILIATES OR SUPPLIERS BE
LIABLE OR RESPONSIBLE FOR ANY LOSS OF USE, INTERRUPTION OF BUSINESS, LOST
PROFITS, LOST DATA, OR INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF
ANY KIND REGARDLESS OF THE FORM OF ACTION, WHETHER IN CONTRACT, TORT (INCLUDING
NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF RENOGY OR ITS AFFILIATE OR
SUPPLIER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so these
limitations may not apply to you. Neither RNG Group Inc. nor its affiliates or suppliers will be held liable or
responsible for any damage or loss to any items or products connected to, powered by or otherwise
attached to the Product. The total cumulative liability to the Purchaser, from all causes of action and all
theories of liability, will be limited to and will not exceed the purchase price of the Product paid by the
Purchaser. This warranty gives you specific legal rights and you may also have other legal rights that vary
from state to state.
RNG Group Inc.
2775 E. Philadelphia St.
Ontario, CA 91761
Phone: 800-300-8678
Fax: 888-543-1164
Email:
General Inquiries: [email protected]
Sales Inquiries: [email protected]
Technical Support Inquiries: [email protected]
Customer Service Inquiries: [email protected]
RENOGY is a trademark of RNG Group Inc.
2015 RNG Group Inc. All rights reserved.
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