Wallbox Quasar II Installation Guide

Data Sheet

General Specifications

Compliant standards

• UL 9741, UL 2231-1, UL 2231-2, UL 174
• DIN 70121, ISO 15118-2/20

Electrical specifications

CHARGE

DISCHARGE

Part Number Structure

The part number follows the format: [XXXX - X - X - X - X - XXX]

1. Model: QSU2 - Quasar 2 NA
2. Cable Length: U - 25 ft, V - 16 ft
3. Connector: K - CCS1
4. Power: 9 - 12 kW
5. Feature: K - DC Leakage + OCPP
6. Custom/Branding: NBL - Nebula White, STL - Satellite Grey

Safety Icons

• Hot surface, risk of burn. [?]
• Flying debris, risk of injury. [⚠️]
• Heavy object, risk of muscle strain. [⚖️]
• Caution. [❗]
• Risk of electric shock. [⚡]
• Sharp element, risk of injurious cuts. [?]
• Ground earth connection required. [?]
• Special waste treatment. [♻️]
• Crush hazard. Keep feet clear. [?]

Important Safety Instructions

SAVE THESE INSTRUCTIONS. This manual contains important instructions for Quasar 2 that shall be followed during the unit's installation, operation and maintenance. Follow all the safety instructions carefully before installing or using the charger.

Failure to follow the instructions may result in safety hazards, cause equipment malfunctioning and void the warranty.

Being a bi-directional charger, capable of discharging the EV and injecting power into the grid, national and local electrical safety and installation considerations must be considered along with an agreement with the local Distribution Network Operator (DNO).

Installation must be performed by a Wallbox-certified electrician and must comply with the National Electric Code (NEC), local codes and the ANSI/NFPA70 for all electrical installations. Requirements of NEC - NFPA 70 sections 310,705, 706 and 710 shall be followed by the installer, especially those requiring directory plaques for all service equipment identifying all electric power sources.

• WARNING: Refrain from installing or using the charger if it appears damaged.
• WARNING: Ensure that the power supply is switched OFF and that there is no voltage before and during installation and maintenance.
• CAUTION: Always use adequate individual protection equipment during the installation for safety drilling or charger manipulation.
• CAUTION: Be aware of the weight when handling the package and the charger.
• WARNING: Install the charger in a ventilated location and do not install in places exposed to direct sunlight. Do not expose the charger to ambient temperatures outside the operational temperature of -22°F (-30°C) to 104°F (50°C)(Maximum ambient temperature rating).
• WARNING: Mount the charger in a vertical position and ensure the mounting surface supports the charger's weight and withstands mechanical forces.
• WARNING: Do not install the charger near:
  • Flammable, explosive or combustible materials.
  • Chemicals, solvents, gas pipes or steam outlets.
  • Radiators or batteries.
  • Areas prone to flooding, of high humidity and running water.
• WARNING: No EV connector adapters or converters are allowed. Neither cable extensions of any kind are allowed for the EV connector.
• WARNING: The installer is responsible for providing overcurrent protection. To reduce the risk of fire, only connect to a circuit provided with 70A maximum branch-circuit overcurrent protection in accordance with the National Electrical code, ANSI/NFPA 70. Note: recommended Siemens US2:Q270P or similar
• WARNING: A contact current higher than 3.5 mA RMS is possible in case of an open ground conductor fault condition.
• WARNING: Fault current detection by self check isolation monitor.
• WARNING: For the unit to be operable it shall be properly installed and assembled in accordance with the installation instructions.
• CAUTION: The charger is allowed to be operated by the end user if, once installed, it is connected to a power supply network that provides a protective grounding conductor.
• CAUTION: Be careful with hot parts due to high temperatures.
• CAUTION: Remove the power supply at least 4 minutes before unmounting the charger and refrain from touching the charger and the connector cable when charging for at least 10 minutes after disconnecting.
• CAUTION: Disconnect switch for each ungrounded conductor of AC input shall be provided by others in accordance with the National Electric Code, ANSI/NFPA 70.

Package contents

Components:

• Wallbox Quasar 2
• Installation Kit (Wallplate, Air Covers, Holster, CCS1)
• Accessories Box (Installation Guide, Envelope*)

* Envelope content: x5 hexagonal screws ø6 x 40 mm (Hex) for Wallplate, x2 pan head screws ø4 x 12 mm, x2 screws ø5 x 40 mm (Philips) for Holster CCS, x7 wall plugs ø8 x 40 mm (not needed for wood walls) and the Opening card.

Required tools

• Electric Drill with 3/8" (8mm) bits
• 10 mm socket wrench (ø6 mm)
• Torx T20 screwdriver
• Phillips screwdriver ø5 x 40 mm
• Crimping pliers
• Cutting pliers
• Utility Knife
• Zip ties
• Spirit Level
• Dynamometric wrench
• Measuring Tape & Pencil

1. Location & Positioning

Before installing your charger, be sure to obtain any required permits and/or approvals in accordance with applicable codes, regulations, and ordinances for electrical installations.

Follow the scheme below to design the installation of the charger and all required accessories. When designing the installation, bear in mind any additional elements that are or shall be installed (such as the Power Recovery Unit, PV, BESS, etc.)

Diagram Description: The diagram illustrates the system architecture. It shows connections from the Grid and Utility Meter to an Energy Meter, then to the House Loads and the Quasar 2 EV charger. It also indicates connections to a PV system and BESS (Battery Energy Storage System). Communication lines (Wired and Wireless) are shown connecting to a WBX Backend and Aggregator/Utility Backend. The main panel is also shown.

Location for the charger's placement: consider how the car is normally parked and the length of the charging cable.

Note: always ensure enough slack in the charging cable to prevent tension from being applied to the cable or its connections.

For secure mounting, install the charger on a vertical wall stud or a solid wall with appropriate mounting anchors.

Positioning Recommendations:

We recommend installing the charger as shown in the diagram. The minimum installation height must be at least 3.2ft (1m) measured from the bottom of the charger. Wallbox recommends an installation height of 3.4 ft (1.05 m).

Diagram Description: The diagram shows recommended vertical positioning. It indicates a minimum free area of 3.2 ft (1m) above the charger and a holster distance of 0.6 ft (0.18 m). The charger height is shown as 3.4 ft (1.05 m), and the holster height is between 1.6-3 ft (0.5-0.92 m).

2. Drilling & Wallplate

1. Place the wallplate on the wall at the indicated height and mark all fixing points. CAUTION: See recommended installation clearance in chapter 1.
2. Using an 8 mm electric drill, make holes corresponding to the fixing points marked before.
3. Insert the wall plugs (ø8 x 40 mm) into the fixing holes. Note: If the unit is mounted on a wood wall, the wall plugs are not required.
4. Fix the wallplate by inserting the five screws (ø5 x 40 mm) with a hex screwdriver and tighten to approx. 11.5 lb-in / 1.3 N·m. Note: The screws should be tightened manually, avoiding using an automatic tool.

Diagram Description: The diagram shows the wallplate being positioned and marked. It also illustrates the drilling process and the insertion of wall plugs. A separate image shows the wallplate with screw holes and indicates where screws are used to fix it.

3. Mounting the charger

1. Pick up the charger using the lateral handles. See indications on the charger.
2. Hold the charger, aligning the three lower tabs, then attach the wallplate flaps to the charger.
3. Push the charger against the wall until it latches on it. Make sure the charger is fixed correctly by checking the lateral and lower tabs.
4. Fix the charger to the wallplate using two screws (Torx ø4 x 12 mm) from the Accessories Envelope. Note: The screws should be tightened manually at approx. 11.5 lb-in / 1.3 N·m. Avoid using an automatic tool.

Diagram Description: The diagrams show the process of picking up the charger, aligning the lower tabs with the wallplate flaps, and pushing the charger onto the wallplate. It also shows the final fixing of the charger to the wallplate with screws.

4. Opening the charger

1. Remove the four screws (Torx ø4 x 12 mm) from the top cover and the base cover using a Torx T20.
2. Slide the top cover upwards without removing it. Then, slide the base cover downwards to remove it completely. Note: Pay special attention to the cover tabs. Place the base cover in a clean and protected area.
3. Remove the three screws (Torx ø4 x 12mm) from the HMI module, then fold it down carefully until it hangs vertically. CAUTION: Under any circumstances, do not disconnect the flat cables from any of the ends.

Diagram Description: Diagrams illustrate the removal of screws from the top and base covers, the sliding motion to remove them, and the removal and folding down of the HMI module, highlighting the flat cables.

5. Electrical Wiring

WARNING: These servicing instructions are for use by qualified personnel only. To reduce the risk of electric shock, do not perform any service other than that specified in these instructions unless you are qualified.

CAUTION: To prevent electric shock, make sure the unit is securely de-energized before installation. Also, verify that the unit is properly grounded before activation.

CAUTION: The charger must be permanently grounded with an earth (ground) connection.

WARNING: Improper wiring of AC conductors may cause electric shock or harm to the equipment. Prior to activating the system, verify that all connections have been accurately established in alignment with the guidelines within this document and in compliance with national and local wiring methods and codes, and regulations of NFPA 70 (NEC).

CAUTION: To comply with local regulations, a minimum overvoltage category IV is required for the power supply's installation.

CAUTION: Always use standard copper cables with the corresponding AWG rating as indicated.

CAUTION: AC output (neutral) is not bonded to the ground.

GROUNDING INSTRUCTIONS

This unit is to be connected to a grounded, metal, permanent wiring system; or an equipment-grounding conductor is to be run with the circuit conductors and connected to equipment-grounding terminal or lead on the unit. Connections to the unit shall comply with all local codes and ordinances.

1. Remove the sticker on the AC input of the charger.
2. Assemble the conduit fitting together with the conduit in the AC inlet. Note: metal conduit size at the entrance 1in. CAUTION: Raintight or wet location hubs that comply with the requirements in the Standard for Conduit, Tubing, and Cable Fittings, UL 514B, are to be used.
3. Insert the electrical wires through the conduit and connect them to their designated connector. Note: For Installations that include the Quasar 2 + Power Recovery Unit, refer to the Power Recovery Unit Installation Guide in chapter 8 to complete all the steps.

Electrical Configuration for Single Split Phase TN-C-S Grid

Use the indicated AWG copper wire only, cable temperature of 167 °F (75°C) and compliant with NFPA 70 wiring rules and class.

Diagram Description: The diagram shows the AC input terminals labeled L2, N, L1, PE, with corresponding wire colors (Green/Yellow for PE). It also shows the wire cross-sections for each connection.

Wire Size Details:

4. Check there is no horizontal displacement of the door hinges, which shall be aligned. Then, carefully close the HMI module and screw the three screws. Note: The screws should be tightened manually at approx. 11.5 lb-in / 1.3 N·m. Use a T20 Torx screwdriver.

Diagram Description: The diagram shows the HMI module being closed and secured with screws, with numbered indicators for the screw locations.

6. Power Meter Installation

According to the scenario in which the charger is installed, follow the corresponding instructions.

• Quasar 2: Scan the QR code and follow the instructions to install the Power Meter.
• Quasar 2 with a Power Recovery Unit (simultaneously): As the Power Recovery Unit has an integrated Power Meter, it is not required to install an external one.
• Power Recovery Unit after Quasar 2 (separately): As the PRU already has an integrated Power Meter, remove the external Power Meter installed for Quasar 2.

7. Ethernet Connection

Refer to this chapter only if the Internet connection is installed through Ethernet. Note: The distance between the ethernet source and the Quasar 2 shall not exceed 24ft.

1. Remove the Torx screw ø3.5 x 12 mm from the communications lid. Then slide the cover lid downwards to remove it from the HMI module.
2. Make a hole in the corresponding elastomer lid entrance for the ethernet cable and insert the cable. Note: The ethernet cable shall be CAT 6, rated for outdoor use.
3. WARNING: Inserting the cable with the RJ45 CAT6 connector already crimped through the lid will void the warranty. Crimp the RJ45 connector to the cable ethernet cable end. Use the RJ45 connector included in the accessories bag.
4. Connect the ethernet cable to the port indicated for Ethernet.
5. Place the lid back on the HMI module and slide it upwards and insert the ø3.5 x 12 mm screw to secure the lid. Note: tighten to approx. 11.5 lb-in / 1.3 N·m.

Diagram Description: Diagrams show the removal of the communications lid, the preparation of the lid for the ethernet cable, crimping the RJ45 connector, connecting the cable to the Ethernet port, and finally securing the lid.

8. Power Recovery Unit Installation

Refer to this chapter only in case the Power Recovery Unit is installed.

To install the Power Recovery Unit (PRU) scan the QR code and follow the instructions. Note: An Internet connection is required to access the instructions.

9. Closing the charger

1. Slide back the top and base covers. Important: Make sure that both covers fit correctly.
2. Fix the covers:
   • Top Cover: Two Torx ø4 x 12mm (one on each side, above). Torque: tighten to approx. 11.5 lb-in / 1.3 N·m.
   • Base Cover: Two Torx ø4 x 12mm (below on each side). Torque: tighten to approx. 11.5 lb-in / 1.3 N·m.
3. Clip in the air covers (x2 lateral covers). Ensure the Wallbox logo is positioned correctly.

Diagram Description: The diagram shows the charger with covers being slid back into place, screws being inserted to fix them, and the lateral air covers being clipped on.

Holster Installation

1. Place the CCS1 holster at the recommended distance from the charger and respect the recommended height in the Location chapter.
2. Mark the location of the fixing holes, then drill the wall in correspondence to them.
3. Insert the wall plugs into the fixing holes, then fix the holster by inserting and tightening the screws. Note: Wall plugs are not required for wood walls.

Diagram Description: The diagram shows the holster and the screws used for mounting it to the wall.

Registering and connecting the charger

Download the Wallbox app to your smartphone or tablet, log in or follow the on-screen instructions to create an account. You will need to verify your account with a valid email address.

Once you have created your account, launch the app and follow the on-screen instructions to connect to and register your charger.

To connect your charger, you must enter the serial number (SN) and unique identification number (UID). This information may be found on your charger label.

IMPORTANT: Make sure before starting the commissioning process the charger is updated to the latest software version.

If you have any difficulty connecting your charger to the Wallbox app, please refer to the "Help & Support" link on the app under your user profile. If you have trouble with the app, please go to support.wallbox.com/na.

Electrical Settings

Important notes

• Only qualified and authorized personnel can configure or modify the Electrical Settings.
• Wrong configuration may produce damage and be subject to fines.
• To configure the Electrical Settings, it is essential to ensure that the charger is not charging or discharging.

Configuration

1. Select your charger on the Wallbox app and tap on the gear icon at the top-right corner. This will take you to the Configuration menu. Note: Bluetooth connection with the charger is required.
2. Within the Settings menu, locate and tap on "Installation Options.” Then select the Electrical Settings option. This option is protected by a password; only Wallbox Certified Installers can edit these parameters. Note: After three attempts, you must wait 3 minutes to try again. Contact Wallbox Customer Service for any issue.
3. Configure the Electrical Settings parameters according to the charger's electrical installation.
4. Save all changes.

Grid Codes

Important Notes

• Only qualified and authorised personnel can configure or modify the grid codes.
• Please review the relevant local regulations and your electricity supplier's specific requirements regarding the utilization of vehicle-to-grid and vehicle-to-home functionalities.
• Incorrect configurations can cause issues, interruptions, and harm to the equipment, the electrical system, and the distribution network.
• Wrong use may result in fines.
• Installation may not exceed 500kVA in aggregate capacity.
• UL1741 SB & SA Ratings:
• Operating parameters
• Limits
• Timing
• Associated tolerances
• Accuracy
• Power versus Voltage - Q(V) characteristics
• Immunity testing standards and the test types and levels applied.
• IEEE C62.41.2 Ring Wave Surge Category B (6kV / 0.5kA)
• IEEE C62.41.2 Combination Wave Surge Category B (6kV / 3kA)
• IEEE C37.90.2 RF Immunity
• IEEE C37.90.1 Communication circuit
• IEEE 1547-2018:
• Active power rating at unity power factor 12480 W
• Active power rating at specified over-excited power factor 11207 W
• Specified over-excited power factor 0.898
• Active power rating at specified under-excited power factor 11207 W
• Specified under-excited power factor 0.898
• Apparent power maximum rating 12480 VA
• Normal operating performance Category B
• Abnormal operating performance Category III
• Reactive power injected maximum rating 5491 VAr
• Reactive power absorbed maximum rating 5491 VAr

Additional specifications:

• Active power charge maximum rating 12480 W
• Apparent power charge maximum rating 12480 VA
• AC voltage nominal rating 240 V
• AC voltage maximum rating 264 V
• AC voltage minimum rating 211.2 V

For detailed Grid Codes electrical rating, please visit: support.wallbox.com/knowledge-base/quasar-2-grid-codes-documentation/

Field adjustable trip limits:

Shall trip - Category III

Shall trip - Frequency

Configuration

WARNING: Grid Code configuration can only be performed by qualified personnel.

1. Quasar 2 allows for secure, reliable, and compliant discharge operations by implementing the applicable grid codes based on the region where the charger is located. Failure to correctly configure the grid codes will prevent the discharge functionality from activation. Only qualified and authorized personnel can configure or modify the grid codes.
2. To configure the Grid Codes, it is essential to ensure that the charger is not charging or discharging.
3. Select your charger on the Wallbox app and tap on the gear icon at the top-right corner. This will take you to the Settings menu. Note: Bluetooth connection with the charger is required.
4. Within the Configuration menu, locate and tap on "Installation Options.” Then select the Grid Codes option. This option is protected by a password; only Wallbox Certified Installers can edit these parameters. Note: After three attempts, you must wait 3 minutes to try again. Contact Wallbox Customer Service for any issue.
5. Note: If no grid code applies to your area, you will not be able to activate the discharge feature for your charger.
6. CAUTION: Make sure the country selected in this section is correct, otherwise, update it accordingly.
7. Save all changes.

Vehicle configuration

This Wallbox charger can be used with any electric vehicle compliant with DIN 70121 and ISO 15118-2/20.

If an electric vehicle that is not compliant with the bidirectional protocols is connected, the corresponding features will be disabled and the charger will behave as an AC charger only.

To enable bidirectional charging, the following configurations on the vehicle are required:

1. Enable the bidirectional charging mode on the vehicle app or EV head unit.
2. Set a Target, Minimum and Maximum State of charge (SoC) and Departure time on the vehicle app or EV head unit.

Energy Management features configuration

Scan the QR Code and follow the Power Meter instructions to configure the energy management features.

Legal Notice

All information in this manual is verified to be accurate at the time of its printing and is subject to change without prior notice. The manufacturer reserves the right to make applicable changes at any given time. Wallbox is focused on enhancing a continuous improvement of the user's content.

Check https://support.wallbox.com/na for the latest version.

Images in this manual are for illustration purposes only and might differ from the delivered product.

The integrated Energy metering is meant only for information. It's not allowed to be used to calculate the cost of energy nor payments for charging.

Information subject to copyright and other intellectual property rights.

Safety and Maintenance Instructions

WARNING: Do not use this product if the enclosure or the connector is broken, cracked, open, or shows any other indication of damage. Please contact Wallbox.

The installation and servicing of the Wallbox device must be performed only by qualified personnel in accordance with applicable local regulations. Unauthorized installation and modifications make the manufacturer warranty void.

Qualified personnel are defined as individuals possessing expertise and training about the construction and operation of electrical equipment and installations, coupled with formal safety training enabling them to identify and mitigate potential hazards.

Maintenance instructions:

Follow the recommended periodicity of the maintenance for:

• Air filters cleaning: every 3 - 6 months
• Air filters replacement: 2 - 3 years
• Air filter reference: 000003866 - Overmoulded Filter

Note: For spare parts, contact Wallbox Customer Service at the telephone number or email address indicated in the Service section.

Protect your Wallbox device from any external impact. Do not use your Wallbox charger under adverse climatic conditions. Do not open the charger in the rain. Do not touch the charging cable if the connector emits smoke or begins to melt. If possible, stop the charging. Do not open the charger while it is connected to the power supply. Take appropriate precautions with electronic medical implants. Disconnect the main service power to the charger before cleaning the unit. Do not use cleaning solvents to clean any part of the charger. Clean it with a clean, dry cloth to remove dust and dirt accumulation. Use the Wallbox charger under the specified operating parameters and within normal ambient conditions as specified in the General and Electrical Specifications section. The maximum installation altitude is 2000 meters above sea level. The charger is not intended to be installed in a commercial garage (repair facility) or closer than 6.1 m (20 ft) of an outdoor motor fuel dispensing device. Not intended for commercial garage (repair facility) outdoor installation.

Connector Recommendations

Do not use the product if the charging cable is frayed, has broken insulation, or shows any other signs of damage, or if the vehicle plug or electrical outlet is dirty, wet, or damaged.

• Disconnect the vehicle connector and the equipment plug only after stopping the charging process.
• Do not apply force to disconnect the vehicle connector. Doing so may cause serious injuries, or in some cases, it may even prove fatal.
• Do not use the charging cable with a cable adaptor or an extension cable.
• Under any circumstances, do not tighten the connecting cable while it is connected to the vehicle.
• Keep the charging cable out of the reach of children and do not step on it.

Electrical Precautions

The power supply line must be wired to an existing installation and be in accordance with National Electric Code (NEC), local codes and the ANSI/NFPA70 for all electrical installations.

CAUTION: Local regulations may require an emergency switch to be installed externally.

Verify that the charger is not in error mode before it's operated by an end-user. See error mode description in the user manual.

In Safety error mode, the charger is in "safe state” preventing operation. This mode will be triggered by any of the following situations:

• IM error (leakage to Earth/Ground detected) at the vehicle side.
• GM error (loss of ground detected) at the vehicle side.
• HFTRF over-temperature error inside the charger.
• Device configuration error.

Limited Warranty

• Wallbox warrants this product against defects in materials and workmanship for three years from the date of purchase.
• During this period, Wallbox will, at its discretion, either repair or replace any defective product at no charge to the owner.
• Replacement products or repaired parts will be guaranteed for only the unexpired portion of the original warranty or six months, whichever is greater.
• The limited warranty does not cover defects resulting from accidents, misuse, improper maintenance, or normal wear and tear.
• Substitution or incorporation of any part by the client will be considered incorrect usage.
• Except to the extent permitted by applicable law, the terms of this limited warranty do not exclude, restrict, or modify and are in addition to the mandatory statutory rights applicable to the sale of the product to you. If you believe your product is defective, contact Wallbox for instructions on where to send or bring it for repair.

Disposal Advice

The product should not be disposed of as urban waste at the end of its useful life. It should be taken to a collection centre or a distributor that provides disposal of special and differentiated waste.

Diagram Description: Symbol for waste disposal.

FCC Note

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

This equipment generates, uses and can radiate radio frequency 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 particular installation.

If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna of the affected ratio or television.
• Increase the separation between the charger and any affected devices.
• Connect the charger to an outlet on a circuit different from the one to which any affected devices are connected.
• Consult the dealer or an experienced radio/TV technician for help.

UL Certification

Quasar 2 has been tested to applicable standards. E-file E530818.

Diagram Description: UL LISTED logo.