Renogy Wanderer 30A Manual de usuario

The Traveler Series: Wanderer

RENOGY 30A

PWM Charge Controller Manual

2775 E. Philadelphia St., Ontario, CA 91761

1-800-330-8678

Version: 2.5

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:

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.

•Make sure all connections going into and from the controller are tight. There may

be sparks when making connections, therefore, make surethere are not flammable

materials or gases near installation.

Charge Controller Safety

•NEVER connect the solar panel array to the controller without a battery. Battery

must be connected first. This may cause a dangerous occurrence where the

controller would experience a high open circuit voltage at the terminals.

•Ensure input voltage does not exceed 25 VDC to prevent permanent damage. Use

the Open Circuit (Voc) to make sure the voltage does not exceed this value when

connecting panels together in series.

•The charge controller should be installed indoors in a well-ventilated, cool, and dry

environment.

•Do NOT allow water to enter the controller.

Battery Safety

•Do NOT let the positive (+) and negative (-) terminals of the battery touch each

other.

•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.

•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.

•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.

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.

Table of Contents

General Information.........................................................................................................5

Optional Components......................................................................................................7

Identification of Parts.......................................................................................................7

Installation.......................................................................................................................8

Mounting Recommendations.......................................................................................8

Wiring ..........................................................................................................................9

Operation ......................................................................................................................11

Setting Battery Type..................................................................................................11

LED Indicators...............................................................................................................12

System Status Troubleshooting ....................................................................................13

Maintenance..................................................................................................................14

Fusing ...........................................................................................................................14

Technical Specifications................................................................................................15

Electrical Specifications.............................................................................................15

Battery Charging Parameters ....................................................................................15

Mechanical Specification...........................................................................................16

Dimensions ...................................................................................................................16

General Information

The Wanderer is an advanced charge controller for off-grid solar applications. Integrating

highly efficient PWM charging, this controller increases battery life and improved system

performance. It is exclusively designed for 12V battery banks. The controller is embedded

with self-diagnostics and electronic protection functions that prevent damages from

installation mistakes or system faults.

Key Features

•Optimized for 12 VDC system voltage

•30A charging capacity

•Deep Cycle Sealed, Gel, and Flooded battery option.

•4 Stage PWM charging: Bulk, Boost. Float, and Equalization

•Temperature compensation and correcting the charging and discharging

parameters automatically, improving battery lifetime.

•Protection against: overcharging, short-circuit, and reverse polarity.

•Negative ground controller

•Remote temperature compensation compatible (accessory sold separately)

PWM Technology

The Wanderer 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. The Wanderer has 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 Boost time is 120 minutes.

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.

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.

Optional Components

*The Wanderer is shipped with by itself with no 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.

Identification of Parts

Key Parts

1. Battery Select Button

2. Battery Select Indicator

3. Battery Indicator

4. PV Indicator

5. Remote Temperature Sensor Adapter (Requires separate purchase)

6. PV Terminals

7. Battery Terminals

Installation

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.

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.

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

NOTE: The Wanderer is not equipped with screws for wall mounting.

5. Secure the charge controller.

Wiring

1. Unscrew battery terminals and connect battery connections

2. Unscrew PV terminals and connect PV connections

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