Q CELLS SYSTEM, BATTERY, INVERTER Installation Manual

INSTALLATION MANUAL

SYSTEM

INVERTER

BATTERY

GERMANYMODEL

Q.HOME+ ESS HYB G2

Q.VOLT G2 HYB-4.6kW.1.1

Q.SAVE G2 4kWh B1.1.1

AUSTRALIA

Q.HOME+ ESS HYB G2

Q.VOLT G2 HYB-5kW.1.1

Q.SAVE G2 4kWh B1.1.1

NOTICE

• Do not operate with other components not approved by the ESS systems.

(Connecting other products in parallel to Q.HOME+ ESS HYB G2 may result in abnormal operation.)

• The internet connection is required to use all functions of the ESS system.

• If you have a problem, please contact the installer.

• The Specifications of the product may be modified without prior notice to improve product quality.

Eng 05/19

TABLE OF CONTENTS

Table of Contents

Table of Tables

Table of Figures

1. Information in this manual

1.1 About this Manual

1.2 Target Group

1.3 Additional Information

1.4 Symbols Used

2. Safety

2.1 Intended Use

2.1.1 MEN Link

2.1.2 Network System Connection Diagram

2.2 Safety Precautions

2.3 Product Overview

2.3.1 INVERTER Product Overview

2.3.2 Battery Product Overview

2.3.3 Basic Specifications (Germany)

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2.3.4 Basic Specifications (Australia & New Zealand)

2.3.5 Grounding the PV INVERTER

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3. Package Removal and Inspection

3.1 Package Removal

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3.1.1 Removing the INVERTER Enclosure Package

3.1.2 Removing the Battery Enclosure Package

3.1.3 Checking Components on the Packing List

3.2 Checking for Damage in Delivery

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3.3 Identifying Q.HOME+ ESS HYB G2

4. Installation

4.1 Selection of Installation Location

4.1.1 Dimensions

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4.1.2 Ambient Conditions and Temperatures

4.1.3 Environmental Checks

4.1.4 Position (Location Selection)

4.2 Mounting Instructions

4.3 Stand - Mounting Instructions

5. Electrical Connections

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5.1 The Overview of Electrical Connection

5.1.1 Electrical System Connection

5.1.2 Power Line Specification

5.1.3 Cable Gland Specification

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5.1.4 Overall Drawing of the Q.HOME+ ESS HYB G2

5.2 Opening the Front Case Cover

5.3 Battery Connections

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5.4 Closing the Front Case Cover

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5.5 Circuit Breaker

5.5.1 AC Circuit Breaker and DC Disconnect Switch

5.5.2 RCD (residual current device) Leakage Circuit Breaker

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5.6 An Installation Method of Energy Meter Electrical Connection

5.7 A Connecting Method of the DC Line from the PV

5.8 Connection Method between Grid and Load

5.8.1 Grid Connection Method

5.8.2 Load Connection Method

5.8.3 Battery Connection Method

5.8.4 Feature and Size of Cable

5.8.5 A connecting method of DRM connection

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6. Communication Connection

6.1 Internet Connection

6.1.1 Components

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6.1.2 Connection Block Diagram

6.1.3 Connection Method

6.2 The Communication Terminal

6.3 Energy Meter Connection

6.3.1 RS-485 Interface

6.3.2 Connection Energy Meter

6.4 Recommended Energy Meter List

6.5 Homepage

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6.5.1 Service Terms

6.5.2 Membership

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6.5.3 Membership Withdrawal

6.5.4 Log-In

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6.5.5 Password Initialization

6.5.6 Types of Service Offered

6.5.7 Mobile Service

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7. Entering Initial Installation Information

7.1 Information Input Administrator

7.2 System Information Input Stage

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7.3 PC Direct Connection and Local Setting Value

7.3.1 PC Direct Connection Flow

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7.3.2 LAN Cable Connection between PC and System

7.3.3 SIM (System Install Manager) Connection

7.3.4 SIM(System Install Manager) Battery Installing

7.3.5 Battery Installation Process with HMI

7.3.6 Entering Setting Value

7.4 Web Page Connection

7.4.1 Web Page Connection

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 62

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8. Operating Test

8.1 LED Indications

8.2 Starting the System

8.2.1 Loading Screen & Update Screen

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8.2.2 Home Screen Configuration Information

8.3 Turning off the System

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 70

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8.4 Descriptions of Operation Mode

8.4.1 Status Description

8.4.2 Operation Sequence

8.4.3 Standby Mode

8.4.4 PV-Auto Mode

8.4.5 PV-Only Mode

8.4.6 Battery-Discharge Mode

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8.4.7 Stand-Alone (Back-up) Mode

8.4.8 Grid Charge Mode

8.4.9 Event Check Mode

8.5 Information Display

8.5.1 PV Information Display

8.5.2 Grid Information Display

8.5.3 Load Information Display

8.5.4 Battery Information Display

8.5.5 System Information Display

8.5.6 Error Information Display

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9. Problem Confirmation

9.1 General Events

9.1.1 INVERTER General Events (Protection)

9.1.2 Battery General Events (Protection)

9.1.3 System General Events (Protection)

10. Maintenance

- - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 101

10.1 Cleaning the Cover

10.2 Checking and Exchanging Various Components

10.2.1 Fuse Check

10.2.2 Input / Output Terminal Check

10.2.3 DC Link Check

10.3 Battery Maintenance

10.3.1 Checking Battery Problem

10.3.2 Battery Exchange Procedure

10.4 The List of Replaceable Parts

10.4.1 Li-Ion Battery Pack

10.4.2 PV Connector

11. Technical Specifications

12. Disassembly

12.1 Disassembly

12.1.1 Removing Electric Connection

- - - - -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 110

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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 82

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 82

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 93

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 100

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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 101

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12.1.2 Disassembling the Main Body of Q.HOME+ ESS HYB G2

12.2 Packaging

12.3 Storage

12.4 Disposal

12.5 Transportation

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 111

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- - - - - - - - - - - - - - - - - - - - - - - - - - - 110

13. Contact

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TABLE OF TABLES

[ Table 1-1 : Symbol Description 1 ]
[ Table 1-2 : Symbol Description 2 ]
[ Table 1-3 : Symbol Description (Battery) ]
[ Table 2-1 : Part Description of INVERTER ]
[ Table 2-2 : Part Description of Battery Pack ]
[ Table 2-3 : Basic Specifications (Germany) ]
[ Table 2-4 : Basic Specifications (Australia & New Zealand)]
[ Table 3-1 : Component Description of INVERTER ]
[ Table 3-2 : Component Description of Battery Pack ]
[ Table 3-3 : Component Description of Option ]
[ Table 4-1 : Screw Specification ]
[ Table 5-1 : Power Line Specification ]
[ Table 5-2 : Cable Gland Specification ]
[ Table 5-3 : Component Description of INVERTER ]
[ Table 5-4 : Component Description of Battery Pack ]
[ Table 5-5 : Front Case Open Process ]
[ Table 5-6 : Circuit breaker and DC Disconnection Switch ]
[ Table 5-7 : RCD Leakage circuit breaker description ]
[ Table 5-8 : Insulation Strip Lengths ]
[ Table 5-9 : DRMs Supported by the INVERTER ]
[ Table 6-1 : Description of Short Bar Location ]
[ Table 6-2 : Recommended Meter List ]
[ Table 6-3 : Recommended Meter List ]
[ Table 8-1 : LED Indications ]
[ Table 8-2 : Screen Configuration Information ]
[ Table 8-3 : Status Description ]
[ Table 8-4 : ELA Mode ]

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[ Table 8-5 : PV Information Display Description ]
[ Table 8-6 : Grid Information Display Description ]
[ Table 8-7 : Load Information Display Description ]
[ Table 8-8 : Battery Information Display Description ]
[ Table 8-9 : System Information Display Description ]
[ Table 8-10 : Error Information Display Description ]
[ Table 9-1 : INVERTER General Events Warning List ]
[ Table 9-2 : Battery Operation General Events List ]
[ Table 9-3 : System General Events Protection List ]
[ Table 10-1 : Replaceable Parts List ]
[ Table 11-1 : Technical Specifications (Germany) ]

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3

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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9

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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 77

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 78

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 80

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 81

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 92

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 99

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 100

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 103

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 105

[ Table 11-2 : Technical Specifications (Australia & New Zealand) ]
[ Table 11-3 : Maximum Charge Current Limit ]
[ Table 11-4 : Maximum Discharge Current Limit ]

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TABLE OF FIGURES

[ Figure 2-1 : MEN Link ]
[ Figure 2-2 : TN-S Network System Connection Diagram ]
[ Figure 2-3 : TT Network System Connection Diagram ]
[ Figure 2-4 : Part View of INVERTER ]
[ Figure 2-5 : Part View of Battery Pack ]
[ Figure 2-6 : Work on the Ring Terminal ]
[ Figure 2-7 : Ring Terminal (10R6-4) ]
[ Figure 2-8 : Double Grounding Point of Q.HOME+ ESS HYB G2 ]
[ Figure 3-1 : Process for the INVERTER Enclosure Package Removal ]
[ Figure 3-2 : Process for the Battery Enclosure Package Removal ]
[ Figure 3-3 : Packing List of INVERTER ]
[ Figure 3-4 : Packing List of Battery Pack ]
[ Figure 3-5 : Option List ]
[ Figure 3-6 : INVERTER Name Plate (Germany) ]
[ Figure 3-7 : INVERTER Name Plate (Australia & New Zealand) ]
[ Figure 3-8 : Battery Name Plate ]
[ Figure 3-9 : DRM Name Plate ]
[ Figure 4-1 : Dimension of Q.HOME+ ESS HYB G2 ]
[ Figure 4-2 : Minimum Clearance for Q.HOME+ ESS HYB G2 ]
[ Figure 4-3 : Restriction for the Surface Gradient ]
[ Figure 4-4 : Bracket on the Wall in Step 1, 2 ]
[ Figure 4-5 : Bracket on the Wall in Step 3 ]
[ Figure 4-6 : Bracket on the Wall in Step 4 ]
[ Figure 4-7 : Bracket on the Wall in Step 5 ]
[ Figure 4-8 : Bracket on the Wall in Step 6 ]
[ Figure 4-9 : Stand List]
[ Figure 4-10 : Stand assembly Step 1-7]
[ Figure 5-1 : PV Connections ]
[ Figure 5-2 : INVERTER Bottom View ]
[ Figure 5-3 : INVERTER Front inside View ]
[ Figure 5-4 : Battery Bottom View ]
[ Figure 5-5 : Battery Front inside View ]
[ Figure 5-6 : Outside of Q.HOME+ ESS HYB G2 ]
[ Figure 5-7 : Inside of Q.HOME+ ESS HYB G2 ]
[ Figure 5-8 : Battery Pack and INVERTER Connection ]
[ Figure 5-9 : Cable Gland of Q.HOME+ ESS HYB G2 ]
[ Figure 5-10 : BMS Communication Wire Connection ]
[ Figure 5-11 : Battery Pack Switch ]
[ Figure 5-12 : Outside of INVERTER and Battery Case ]
[ Figure 5-13 : Front Cover Assembly Process 1 ]
[ Figure 5-14 : Front Cover Assembly Process 2 ]
[ Figure 5-15 : Electric Cable Connection for Energy Meter Installation ]
[ Figure 5-16 : PV Connector (Female) and PV Line (Male) ]

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4

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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 36

[ Figure 5-17 : PV Connector Connection (MC4 Type Connector Connection) ]
[ Figure 5-18 : Wire Connection and Disconnection ]
[ Figure 5-19 : Power Cable Connection to the AC Connector ]
[ Figure 5-20 : Power Cable Connection to the Load Connector ]
[ Figure 5-21 : Power Cable Connection to the Load Connector ]
[ Figure 5-22 : AC Cable Gland ]

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 40

[ Figure 5-23 : Ground Location of Grid and Load ]
[ Figure 5-24 : DRM Connection Method ]

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- - - - - - - - - - - - - - - - - - - - - 36

[ Figure 6-1 : Internet Connection ]
[ Figure 6-2 : RJ45 Cable ]

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[ Figure 6-3 : RJ45 External Connector Assembly ]
[ Figure 6-4 : Communication Terminal ]
[ Figure 6-5 : Out Connector Board Wire Connection Method ]
[ Figure 6-6 : Energy Meter Connection Method ]
[ Figure 6-7 : Energy Meter Connection Method ]
[ Figure 6-8 : Log-in Page ]

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[ Figure 6-9 : Password Initialization Page ]
[ Figure 6-10 : Monitoring Page ]
[ Figure 6-11 : Backup Mode Monitoring Page ]
[ Figure 6-12 : Consumption Report Page ]
[ Figure 6-13 : Forecast Page ]
[ Figure 6-14 : Setting Page ]
[ Figure 6-15 : Mobile Service Page ]
[ Figure 7-1 : Setting Laptop IP ]
[ Figure 7-2 : Connecting Short Bar ]
[ Figure 7-3 : Initial Setup Page ]
[ Figure 7-4 : Main Page ]

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[ Figure 7-5 : Installer in Page ]
[ Figure 7-6 : Product Information Entry Screen in Step 1 ]
[ Figure 7-7 : Address Entry in Step 2 ]
[ Figure 7-8 : Product Setup Information Details Entry in Step 3 ]
[ Figure 7-9 : Energy Rate Information Entry in Step 4 ]
[ Figure 7-10 : Installation Completion Screen ]
[ Figure 8-1 : LCD Location ]
[ Figure 8-2 : Initial Indication Screen on Power On ]
[ Figure 8-3 : Update Screen ]

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[ Figure 8-4 : Standby State Indication Screen before the EMS Command ]
[ Figure 8-5 : Home Menu Structure ]
[ Figure 8-6 : Diagram of PV-Auto Weak Mode ]
[ Figure 8-7 : Diagram of PV-Auto Strong Mode ]
[ Figure 8-8 : Diagram of PV-Auto Strong Both Mode ]
[ Figure 8-9 : Diagram of PV-Only Mode ]
[ Figure 8-10 : Diagram of Battery-Discharge Mode ]
[ Figure 8-11 : Diagram of Stand-Alone (Back-up) Mode ]
[ Figure 8-12 : Grid Charge Mode ]
[ Figure 8-13 : PV Information Display ]
[ Figure 8-14 : Grid Information Display ]
[ Figure 8-15 : Load Information Display ]
[ Figure 8-16 : Battery Information Display ]
[ Figure 8-17 : System Information Display ]
[ Figure 8-18 : Error Information Display ]
[ Figure 10-1 : PV Connector (MC4 Type) ]
[ Figure 11-1 : Derating Curve ]
[ Figure 11-2 : Battery Charge Limit ]
[ Figure 11-3 : Battery Discharge Limit ]

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1. Information in this Manual

1.1 About this Manual

This is the installation manual for the Q.HOME+ ESS HYB G2. Please read this installation and user manual
carefully before installing and operating the Q.HOME+ ESS HYB G2. It contains important safety instructions.
The warranty will be void if you fail to follow the instructions in this manual.

1.2 Target Group

This installation manual applies only to the Q.HOME+ ESS HYB G2.

1.3 Additional Information

The user manual and installation manual can be downloaded from the product download section
at “https://www.q-cells.de/service-support/downloadbereich.html”,

“https://www.q-cells.com/au/main/customer_support/download/brochure.html”.

The specifications of the product can be changed for improvement without notice.
Also, the software can be updated automatically without notice over the Internet.

1.4 Symbols Used

DescriptionSymbols

CAUTION

This symbol indicates a hazardous situation which could result in
a light injury, if not avoided.

NOTICE

This symbol indicates a hazardous situation which could result in
damage to the property, if not avoided.

INFORMATION

This symbol indicates valuable tips for optimum installation and
operation of the product.

DANGER

High touch current, earth connection essential befoer connecting supply

01 I Information in this Manual

DescriptionSymbols

Beware dangerous voltage.
The ESS operates at high voltage. All works related to the ESS can only
be performed by an electrical technician.

Beware of hot surface.
The INVERTER can become hot during operation.
Avoid contact during operation.

Follow the guidelines in all relevant documents enclosed along
with the INVERTER.

Do not dispose of the INVERTER with household wastes.
For further information on disposal, refer to the installation manual
provided.

The CE Indication :
The relevant equipment complies with the requirements in the
EC guidelines.

[ Table 1-1 : Symbol Description 1 ]

DescriptionSymbols DescriptionSymbols

Direct current

Alternating current

Both direct and alternating
current

Three-phase alternating current

Three-phase alternating
current with neutral conductor

Earth terminal

Protective conductor terminal

Refer to the operating
instructions

On (supply)

Off (supply)

Equipment protected
throughout by double insulation
or reinforced insulation

Caution : Risk of Electric Shock

Caution : Hot Surface

Caution : Risk of Danger

Frame or chassis terminal

In position of a bi-stable
push control

Information in this Manual I 02

DescriptionSymbols DescriptionSymbols

Out position of a bi-stable
push control

Input terminal or rating

Output terminal or rating

[ Table 1-2 : Symbol Description 2 ]

Energy Storage Device
To help avoid burns of electric shock :

- Service by qualified personnel only

- Disconnect main power before maintenance

- Turn off the Battery System before maintenance

Electric shock hazard
Do not remove cover or disassemble.

Bidirectional terminal rating

Caution : Risk of Electric Shock
and Energy Storage Timed
Discharge

Caution : Risk of Hearing Damage
and Wear Hearing Protection
Wear hearing protection

DescriptionSymbols

Explosive gas
Do not expose to flame, incinerate, puncture, or impact

Shield eyes
Wear safety goggles at ALL times (Installation, maintenance, etc.)

Electrolyte hazard

A

Do not contact eyes, skin or clothing.
If it happens, Flush with water and seek medical aid immediately.

Do not dispose in trash
Transport legally. Follow manufacturer’s instructions for disposal.
Please recycle Lithium ion Battery. Do not discard.

Qualified technicians use this manual for service and replacement.

[ Table 1-3 : Symbol Description (Battery) ]

03 I Information in this Manual

2. Safety

2.1 Intended Use

NOTICE

• The Q.HOME+ ESS HYB G2 is intended for residential use only.

• The Q.HOME+ ESS HYB G2 should not be used for commercial or building.

The Q.HOME+ ESS HYB G2 is designed for residential use. It is a single-phase, Grid-connected system of
solar energy sources and Li-Ion Battery energy storage.

The Q.HOME+ ESS HYB G2 uses solar energy power connected to the input/output terminal installed on
the side of the device in order to :

1) charge the Li-Ion Battery energy storage,

2) provide a supply to the household load, and

3) convert direct current (DC) electricity of the Battery to alternating current (AC) to discharge as
household single-phase load or electric system.

This device should not be used for any purpose other than the purpose described in this installation
manual. Any substitute use of this device, random change in any of its parts, and use of components
other than sold or recommended by Q CELLS will nullify the product’s guarantee.
For example, Q CELLS Li-Ion Battery energy storage should not be replaced by other manufacturer’s
Battery storages. For further information on proper use of this device, contact the Q CELLS
Service-Hotline.

2.1.1 MEN Link

[ Figure 2-1 : MEN Link ]

1. K1 is PV input DC Switch. K2 is battery breaker. K3 is grid breaker, k5 is main load breaker.
K6 is total grid breaker. K4 is sub_load breaker.

2. MEN Link : The INVERTER maintains connection for the internal relay(RL603, RL601) on neutral wire

when entering the off-gird mode.

Safety I 04

2.1.2 Network System Connection Diagram

[ Figure 2-2 : TN-S Network System Connection Diagram ]

872

872

[ Figure 2-3 : TT Network System Connection Diagram ]

872

872

05 I Safety

2.2 Safety Precautions

CAUTION

High voltages in power conditioning circuits. Lethal hazard of electric shock or serious
burns. All work on the PV modules, INVERTER, converters, and Battery systems must be
carried out by qualified personnel only. Wear rubber gloves and protective clothing
(protective glasses and boots) when working on high voltage/high current systems
such as INVERTER and Battery systems.

CAUTION

Li-Ion Battery energy storage system (ESS) outside. When assembling the system, do not
intentionally short the positive (+) and negative (-) terminals with metallic object.
All work on the ESS and electrical connections must be carried out by qualified personnel
only. Q.HOME+ ESS HYB G2 provides a safe source of electrical energy when operated
as intended and as designed. A potentially hazardous circumstance such as excessive
heat or electrolyte mist may occur due to improper operating conditions, damage, misuse
and/or abuse. The following safety precautions and the warning messages described in
this section must be observed. If any of the following precautions are not fully understood,
or if you have any questions, contact Customer Support for guidance (see chapter 13).
The safety section may not include all regulations for your locale; personnel working with
Q.HOME+ ESS HYB G2 must review applicable federal, state and local regulations
as well as the industry standards regarding this product.

CAUTION

This product is intended to be used for PV source inputs and residential home
Grids (AC 230V). If not used as intended, the protection provided by the equip

-ment may be impaired.

CAUTION

This device is designed appropriate for two-PV string structure. Therefore, the
PV string 1 and PV string 2 must be connected to PV input 1 and PV input 2,
respectively. Do not split one PV string output for connecting it into the PV input
terminal 1 and input terminal 2.

CAUTION

After disconnecting the INVERTER from Battery or PV, Wait 5minutes to discharge the
INVERTER.

Safety I 06

2.3 Product Overview

The Q.HOME+ ESS HYB G2 includes the PV INVERTER, Battery charger/discharger, Li-Ion Battery,
and EMS. The basic operating modes consist of Stand-Alone (Back-up) mode, PV generation mode,
PV generation + charge/discharge mode. The operation mode of this product is automatically determined
by the EMS algorithm.

2.3.1 INVERTER Product Overview

INSIDE

①

②

③

④

⑤

⑥

⑦

⑧

⑨

⑩

⑪

⑫

⑬,⑭

①

②
③

⑥ ⑨⑫⑩

⑤
⑦

⑪

⑧

[ Figure 2-4 : Part View of INVERTER ]

DescriptionNo.

LCD Board

LCD Panel

LED Indications

INVERTER (PV INVERTER and Battery charger / discharger)

Cable Gland for Battery

DC Disconnection Switch (PV Isolator)

Battery Communication

PV Input Connector (MC4 type 2set)

AC Connector and Load Connector

PCS Communication

Ethernet Communication

Demand Response Mode / See ‘page 16’ for more information.

Bracket Connected Part

④

⑬

⑭

07 I Safety

[ Table 2-1 : Part Description of INVERTER ]

2.3.2 Battery Product Overview

①

⑥

⑦

①

②

③

④

⑤

⑥,⑦

②

④
⑤

[ Figure 2-5 : Part View of Battery Pack ]

Battery (Made by Samsung SDI)

BMS Board

Terminal and Circuit Breaker

Cable Gland

BMS Communication Connector

Bracket Connected Part

[ Table 2-2 : Part Description of Battery Pack ]

③

DescriptionNo.

Safety I 08

2.3.3 Basic Specifications (Germany)

PV Generator Data (DC)

Max. input total power

Max. input power per string

Max. input voltage

Min. input voltage / Initial input voltage

MPPT voltage range

Max. input current per string

Number of independent MPPT trackers

Battery nominal capacity

Usable capacity

DOD (Depth of Discharge) Range

Battery voltage range / nominal voltage

Max. discharge current

Max. charge current

Battery DC/DC converter data

Max. charge power

Max. discharge power

Technology

6.6 kWp

3.3 kWp

550 V

125 V / 150 V per string

125 V ~ 500 V

15 A per string

2

Battery Data (DC)

1 Battery Pack

2 or more Battery Pack

4.0 kWh

3.6 kWh

90 %

176.4 Vdc ~ 225.12 Vdc / 203.84 Vdc

17 A

9.8 A 17 A

2.0 kW 3.0 kW

3.0 kW

Non-Isolated

4.0 kWh x Pack

3.6 kWh x Pack

Rated power (at 230V, 50Hz)

Max. output apparent AC power

Max. current

Nominal AC voltage / range

Rated power frequency / range

[ Table 2-3 : Basic Specifications (Germany) ]

Grid Connection Data (AC)

4.6 kW

4.6 kVA

25 A

230 V / 184 Vac ~ 264 Vac

50 Hz / 47.5 Hz ~ 51.5 Hz

09 I Safety

2.3.4 Basic Specifications (Australia & New Zealand)

PV Generator Data (DC)

Max. input total power

Max. input power per string

Max. input voltage

Min. input voltage / Initial input voltage

MPPT voltage range

Max. input current per string

Number of independent MPPT trackers

Battery nominal capacity

Usable capacity

DOD (Depth of Discharge) Range

Battery voltage range / nominal voltage

Max. discharge current

Max. charge current

Battery DC/DC converter data

Max. charge power

Max. discharge power

Technology

6.6 kWp

3.3 kWp

550 V

125 V / 150 V per string

125 V ~ 500 V

15 A per string

2

Battery Data (DC)

1 Battery Pack

2 or more Battery Pack

4.0 kWh

3.6 kWh

90 %

176.4 Vdc ~ 225.12 Vdc / 203.84 Vdc

17 A

9.8 A 17 A

2.0 kW 3.0 kW

3.0 kW

Non-Isolated

4.0 kWh x Pack

3.6 kWh x Pack

Rated power (at 230V, 50Hz)

Max. output apparent AC power

Max. current

Nominal AC voltage / range

Rated power frequency / range

[ Table 2-4 : Basic Specifications (Australia & New Zealand) ]

Grid Connection Data (AC)

Australia New Zealand

5.0 kW

5.0 kVA

25 A

230 VAC (181 ~ 259 VAC)

47 ~ 52 HZ 45~ 52 HZ

Safety I 10

2.3.5 Grounding the PV INVERTER

DANGER

High touch current, earth connection essential before connecting supply

The PV INVERTER complies with the local requirements for grounding the PV INVERTER.
Q CELLS recommends connecting and grounding the PV INVERTER’s frame and other electricity
conducting surfaces in such a way that there is continuous conduction in order to achieve maximum
protection for systems and persons. And the PV INVERTER’s DC (+) pole and DC (-) pole are not
permitted to be grounded.

* Double Grounding Point

Q.HOME+ ESS HYB G2 must be connected to an additional ground on the enclosure.
The grounding method on the enclosure is as follows :

• Bolts : SJ60-00126A

• SCREW-MACHINE : PH, +, WSP, M4, L12, NTR, SUS304

• Torque for fastening bolts : 1.2 ~ 1.8 Nm

7~8 mm

10 20

[ Figure 2-6 : Work on the ring terminal ]

6 mm

2

10 mm

4 mm

[ Figure 2-7 : Ring terminal (10R6-4) ]

[ Figure 2-8 : Double Grounding Point of

Q.HOME+ ESS HYB G2 ]

11 I Safety

3. Package Removal and Inspection

CAUTION

Included in this box are a Battery and printed circuit board. Therefore, special care
must be taken in handling. Make sure to have at least two persons deliver and remove
the package.

3.1 Package Removal

3.1.1 Removing the INVERTER Enclosure Package

As shown in the [Figure 3-1], remove the package components from the enclosure in the following order.

1. Place the system on the installation location.

2. Turn the box upside down.

3. Open the box.

4. Remove the cover on the back of the product.

5. Remove the protective cover on the side of the product.

6. Prepare the lower bracket for the INVERTER. (3 Down Bracket Screws, 1 Down Bracket)

7. Assemble the lower bracket to the INVERTER.

8. Lift the INVERTER.

PCS

(1) (2) (3) (4)

(5) (6) (7) (8)

[ Figure 3-1 : Process for the INVERTER Enclosure Package Removal ]

PCS

Package Removal and Inspection I 12

3.1.2 Removing the Battery Enclosure Package

As shown in the [Figure 3-2], remove the package components from the enclosure in the following order.

1. Place the system on the installation location.

2. Turn the box upside down.

3. Open the box.

4. Remove the cover on the back of the product.

5. Remove the protective cover on the side of the product.

6. Prepare the lower bracket for the BATTERY. (3 Down Bracket Screws, 1 Down Bracket)

7. Assemble the lower bracket to the BATTERY.

8. Lift the BATTERY.

BATTERY

BATTERY

(1) (2) (3) (4)

(5) (6) (7) (8)

[ Figure 3-2 : Process for the Battery Enclosure Package Removal ]

13 I Package Removal and Inspection

3.1.3 Checking Components on the Packing List

Once the product has been delivered, refer to the [Figure 3-3], [Figure 3-4], [Figure 3-5], [Table 3-1],
[Table 3-2], and [Table 3-3] check the entire components included in the package and the correct
number of the quantity listed in the table.

INVERTER Packing List

B

USER

MANUAL

QUICK
GUIDE

A

C D E F G

H I J

No. Part Name

A

B

C

D

E

F

G

H

I

J

INVERTER ASSY

Upper Wall Bracket

Lower Wall Bracket

Wall Mount Screw

Down Bracket Screw

User manual

Quick Guide

PV Stick(+)

PV Stick(-)

RJ45 Sleeve Housing

[ Figure 3-3 : Packing List of INVERTER ]

Code No. Quantity

0147000122CA

6447300054AD

6447300055AD

67613074AAAD

67613075AAAD

6547310111AD

6547310114AD

4925310128KD

4925310129KD

4635150094WD

1

1

1

5

3

1

1

2

2

1

[ Table 3-1 : Component Description of INVERTER ]

Package Removal and Inspection I 14

Battery Packing List

B

A

C D E F G

[ Figure 3-4 : Packing List of Battery Pack ]

No. Part Name

A

B

C

D

E

F

G

H

Battery ASSY

Upper Wall Bracket

Lower Wall Bracket

Bridge Bracket

Wall Mounting Screw

Down Bracket Screw

Bridge Screw

BMS Communication Cabletor

[ Table 3-2 : Component Description of Battery Pack ]

Option List

Code No. Quantity

0147000123CA

6447300054AD

6447300055AD

74190024AAAD

67613074AAAD

67613075AAAD

67613078AAAD

4635150030WD

H

1

1

1

1

5

3

4

1

A

No. Part Name

A

*

B

*

C

D

Adaptor

External Battery Power Cable

Cable Gland

Stand (ESS Stand Long, 470 x 380 x 1079 mm)

Stand (ESS Stand Short, 470 x 380 x 787 mm)

* A : Adaptor

- If using more than one battery, a separate adaptor is requried. (Adaptor is an accessory, requires separate purchase)

- 2 Batteries → 1ea / 3 Batteries → 2ea / 4 Batteries → 3ea / 5 Batteries → 4ea

* C : Cable Gland

- INVERTER → 3ea (Grid, Load, Battery) / Battery → 2ea

15 I Package Removal and Inspection

B C D

Code No. Quantity

4635150029WD

[ Table 3-3 : Component Description of Option ]

[ Figure 3-5 : Option List ]

*

1

*

1

3.2 Checking for damage in Delivery

When opening the box that contains Q.HOME+ ESS HYB G2 in it, check for any possible damage caused
in transit and ensure the correct number of the components therein. If there is a scratch on the enclosure,
contact your local dealer for inspection and service.

3.3 Identifying Q.HOME+ ESS HYB G2

Attached on the enclosure of this product is the Type Label where the identity of this product is described.
For safe usage, make sure that the following product information is indicated on the Type Label.

■ Device Type (Model)

■ Serial Number (Serial No.)

■ Device-specific characteristics

■ Certification Lists

■ Warnings and Notification

Q.HOME+ ESS HYB G2

■ Q.HOME+ ESS HYB G2

• Q CELLS’s ESS For Home with Hybrid Inverter G2

INVERTER

■ G2 for Germany : Q.VOLT G2 HYB-4.6kW.1.1, HSHP-4601-1

• HYB-4.6kW.1.1 : Hybrid Inverter rated power 4.6kW single phase ver.1

■ G2 for Australia : Q.VOLT G2 HYB-5kW.1.1

• HYB-5kW.1.1 : Hybrid Inverter rated power 5kW single phase ver.1

Q.VOLT G2 HYB-4.6kW.1.1

: Model with DRM hole

BATTERY

■ G2 for Germany : Q.SAVE G2 4kWh B1.1.1, HSBE-4001

■ G2 for Australia : Q.SAVE G2 4kWh B1.1.1

• 4kWh B1.1.1 : nominal energy 4kWh NMC cylinder battery ver.1

HSHP-4601-1

: Model without DRM hole

Q.VOLT G2 HYB-5kW.1.1

: Model with DRM hole

Package Removal and Inspection I 16

The Type Label is shown in the [Figure 3-6], [Figure 3-7], [Figure 3-8] and [Figure 3-9].

Model Name :
HSHP-4601-1,
Q.VOLT G2 HYB-4.6kW.1.1
(The specifications are
the same.)

[ Figure 3-6 : INVERTER Name Plate

(Germany) ]

Model Name :
HSBE-4001
Q.SAVE G2 4.6kWh B1.1.1
(The specifications are
the same.)

[ Figure 3-7 : INVERTER Name Plate

(Australia & New Zealand) ]

[ Figure 3-9 : DRM Name Plate ]

17 I Installation

[ Figure 3-8 : Battery Name Plate ]

4. Installation

4.1 Selection of Installation Location

CAUTION

Danger to life due to fire or explosion!
Danger to life due to high voltages!
Despite careful construction, a fire can occur with electrical devices.
Do not install the Q.HOME+ ESS HYB G2 on the following locations:
On flammable construction materials;
In potentially explosive areas; and
In areas where highly flammable materials are stored!

CAUTION

Li-Ion Battery energy storage is mounted outside Q.HOME+ ESS HYB G2.
Q.HOME+ ESS HYB G2 provides a safe source of electrical energy when operated as
intended and as designed. A potentially hazardous circumstance such as excessive heat
or electrolyte mist may occur due to improper operating conditions, damage, misuse
and/or abuse. The following safety precautions and the warning messages described in
this section must be observed.
If any of the following precautions are not fully understood, or if you have any questions,
contact Customer Support for guidance. The Safety Section may not include all
regulations for your locale; Personnel working with Q.HOME+ ESS HYB G2 must review
applicable federal, state and local regulations as well as the industry standards regarding
this product.

CAUTION

All work on the ESS and electrical connections must be carried out by qualified
personnel only.

Installation I 18

4.1.1 Dimensions

Once the Q.HOME+ ESS HYB G2 has been assembled, its dimension is 467.6 x 721.6 x 212.5mm.
The [Figure 4-1] show the outer dimensions of the device after assembly, respectively.

467.6 mm 212.5 mm

721.6 mm

[ Figure 4-1 : Dimension of Q.HOME+ ESS HYB G2 ]

467.6 mm 212.5 mm

721.6 mm

4.1.2 Ambient Conditions and Temperatures

Check a proper installation location to install and remove the device easily at any time.
This device must be located within reach distance. The ambient temperature of the installation location is

-20°C ~ 50°C for the inverter, 0°C ~ 40°C for the battery.

4.1.3 Environmental checks

When choosing installation location, observe the following conditions :

• The installation location must be easily accessible.

• Prevent access to the installation location by children.

• Installation of the unit in a location exposed to solar rays must be avoided as it may cause :

- power limitation phenomena in the INVERTER (with a resulting decreased energy production by the system)

- premature wear of the electrical/electromechanical components

- premature wear of the mechanical components (gaskets) and of the user interface (display)

- reduction in performance, lifetime and possible damage of the Battery pack

• Always ensure that the flow of air around the INVERTER is not blocked so as to prevent overheating.

• Do not install in locations where flammable substances or gases may be present.

• You can install in locations with a constant presence of water and/or high humidity level,
but not recommended.

• Do not install in rooms where people live or where the prolonged presence of people or animals is
expected, because of the noise that the INVERTER produces during operation.

19 I Installation

600 mm

[ Figure 4-2 : Minimum Clearance for Q.HOME+ ESS HYB G2 ]

4.1.4 Position (Location Selection)

When choosing the place of installation, observe the following conditions:

• Install on a wall or strong structure capable of bearing the weight of the equipment.

• If possible, install at eye-level so that the display can be seen easily.

• Install at a height that considers the heaviness of the equipment. Failure to meet this condition could
result in problems during servicing, unless suitable means are provided to carry out the operation.

• Install vertically with a maximum inclination of 5° (backward). If this condition cannot be met, the INVERTER
could undergo derating due to high temperature because of poor heat dissipation.

• The installation must take account of any electrical devices (e.g. lamps, switches, etc.) which must be

at least 60cm from the equipment. These distances must be maintained also to facilitate the circulation
of the air needed to cool the unit and to facilitate the operations to install/maintain hardware and software
which is done by dismantling the covers placed on the front.

O O

X X X

[ Figure 4-3 : Restriction for the Surface Gradient ]

Installation I 20

4.2 Mounting Instructions

CAUTION

There is risk of injury if the ESS is lifted incorrectly or dropped while being transported
or when attaching it to or removing it from the wall mounting bracket.
Transport and lift the ESS carefully.
It is important to ensure the drilling locations are not located on any electrical wiring
within the wall.

This product must be installed on the wall considering appropriate environments described in previous
pages. Follow the mounting instruction described below exactly and securely.

* NOTE

When attaching the wall bracket to a wall, adjust the horizontal level using inclinometer.

STEP 1 STEP 2

• Step 1 : Mark guideline on wall.

- Drill hole : size = Ø10 / Length = 45~55mm

- Upper bracket : 3 EA

- Lower bracket : 2 EA

208.5 mm

208.5 mm

498 mm

• Step 2 : Get ready for the upper bracket.

- Step 2-1 : Detach Anchor bolt.

- Step 2-2 : Insert the Anchor bolt into the bracket.

STEP 2-1

STEP 2-2

Wall Mount Screw

21 I Installation

150 mm 150 mm

GND Screw

[ Figure 4-4 : Bracket on the Wall in Step 1, 2 ]

Diameter

M8

M4

[ Table 4-1 : Screw Specification ]

L Touque

45mm

8mm

20kgf

10kgf

• Step 3 : Secure the upper bracket.

UPPER BRACKET-2

STEP 3

UPPER BRACKET-1

[ Figure 4-5 : Bracket on the Wall in Step 3 ]

STEP 4

• Step 4 : If you secure the upper bracket, Use the bridge bracket.

[ Figure 4-6 : Bracket on the Wall in Step 4 ]

Installation I 22

STEP 5

• Step 5 : Lift the INVERTER and secure it to the upper bracket.

- Step 5-1 : Hang the INVERTER to upper bracket.

- Step 5-2 : Secure the lower bracket.

STEP 5-1

STEP 5-2

[ Figure 4-7 : Bracket on the Wall in Step 5 ]

STEP 6

• Step 6 : The method of mounting the Battery is the same as that of the INVERTER.

23 I Installation

[ Figure 4-8 : Bracket on the Wall in Step 6 ]

4.3 Stand - Mounting Instructions

NOTICE

• Please refer to the STAND Installation Manual for installation instructions and precautions.

• The stand must use the frame provided by the manufacturer, All four directions should be
fastened with bolts to the bottom.

Stand Plate

(1ea)

Stand Column

(2ea)

D-Bracket

(2ea)

[ Figure 4-9 : Stand List ]

Battery Inverter

STEP 2 STEP 3

• Step 2 : L-Bracket (Screw M8x16, 4point)
D-Bracket (Screw M6x8, 4point)

L-Bracket

(4ea)

Screw M8x16

(8ea)

Screw M6x8

(4ea)

Nut M8

(2ea)

STEP 1

• Step 1 : Mark guideline on floor.

340 mm

- Bolt : M12~6 x L30mm (Min)

430 mm40 mm

• Step 3 : After assembling Stand Column on
Stand plate, tighten Screw(M8x16, 4point).

STEP 4 STEP 5

tighten the nut (M8, 2point).

M8x45, Washer
(2 point)

* Use the Wall Mount Screw
to disassemble it.

• Step 5 : Secure the stand to the floor. • Step 4 : After tightening the Upper Wall Bracket,

M12~16 Nut,
Washer (4Point)

Installation I 24

STEP 6 STEP 7

stand, tighten SCREW.

* Use the Wall Mount Screw
to disassemble it.

M8x45, Washer
(2 point)

[ Figure 4-10 : Stand assembly Step 1~7 ]

• Step 7 : Assemble the battery in the same way. • Step 6 : After assembling INVERTER A’SSY and

5. Electrical Connections

NOTICE

The Q.HOME+ ESS HYB G2 system can be damaged by static discharge.
Before you touch a component inside the Q.HOME+ ESS HYB G2, ground yourself
by touching PE or a grounded object.

CAUTION

When handling with the Li-Ion Battery for the Q.HOME+ ESS HYB G2, you must
wear the following personal protective equipment : High voltage rated rubber gloves
Safety goggles or other protective eye equipment 40-minute standby period of time
to complete discharging in the system before testing electrical parts inside the system!
Follow the guidelines below when handling the Li-Ion Battery.
Do not intentionally short circuit the positive (+) and negative (-) terminals with a metallic
object.
Do not remove the cap on the terminals. If the cap is removed, avoid contact between the
metals and the Battery terminals. Do not damage the screw thread.
Do not use seriously scarred or deformed Battery. Dispose immediately according to
proper regulations.
Do not damage sheath of cable and connectors.

25 I Electrical Connections

5.1 The Overview of Electrical Connection

5.1.1 Electrical System Connection

The Q.HOME+ ESS HYB G2 has two solar energy inputs (PV1, PV2). 3.3kW (per string) is the maximum
output for each PV input. The AC output of Q.HOME+ESS HYB-G2 is connected to the Home Load
and the Grid. Between the Grid and PCS, the Digital Energy Meter is placed for power metering.
The Home Load is directly connected to PCS. PCS is installed between the AC circuit breaker and DC
Disconnect for safety reasons. Refer to Chapter 2.1 for detail system diagram.

The Q.HOME+ ESS HYB G2 uses the two independent channels of the PV Input ({PV1+, PV1-}, {PV2+,
PV2-}). They are used independently for running the maximum power from the sources of PV1 and PV2.
Two channels are recommended for independent use for the two PV Inputs. Make sure not to connect
one PV string in parallel with the two independent PV inputs (PV1, PV2).

A PV string must not be commonly connected to the two input terminals of the Q.HOME+ ESS HYB G2.
That is, make sure not to connect the split wiring from one PV string output with the two independent
PV inputs (PV1+, PV1- and PV2+, PV2-). (Refer to the PV String connection method in the [Figure 5-1]).

* PV modules shall have an IEC61730 Application Class A rating or equivalent.

[ Figure 5-1 : PV Connections ]

5.1.2 Power Line Specification

As shown in the [Table 5-1], the input / output power cables correspond to the AC / DC input / output
specifications for this system. Battery Power Cable is not provided. Please prepare it seperately.

Recommended cables for the Q.HOME+ ESS HYB G2.

Area Insulation (Germany) Color (Australia) Color

Grid (L,N)

Load(L,N)

PE

PV (+), (-)

Battery (+), (-)

6mm

6mm

6mm

4~6mm

6mm

600V or more

600V or more

600V or more

600V or more

400V or more

[ Table 5-1 : Power Line Specification ]

L (Blue), N (Brown & Black)

-

Green / Yellow, Green

-

-

L (Brown or Red), N (Blue & Black)

-

Green / Yellow, Green

-

-

Electrical Connections I 26

5.1.3 Cable Gland Specification

Grid, Load, Battery Cable Gland (M25)

External cable diameter 10mm ~ 17mm

IP IP66

External cable diameter 4.5mm ~ 9mm

Communication Cable Gland (M16)

IP IP66

[ Table 5-2 : Cable Gland Specification ]

5.1.4 Overall Drawing of the Q.HOME+ ESS HYB G2

5.1.4.1 Overall Drawing of the INVERTER

The [Figure 5-2] and [Figure 5-3] shows the overall drawing of the INVERTER.
Please refer to the figure of the drawing for installation and maintenance.

B F

I

A

C

D

E G H

[ Figure 5-2 : INVERTER Bottom View ]

J

M

No. Part List

A

B

C

D

E

F

G

H

I

J

K

L

M

Battery Connector

PV Disconnection Switch

Battery Communication

PV Connector

Grid & Load Connector

Communication Part

Ethernet Communication

Demand Response Mode (Used in Australia)

Switching Board

Filter Board

Sub Filter Board

Out Connector Board

Control Board

K

L

[ Figure 5-3 : INVERTER Front inside View 1 ]

Bottom of the INVERTER

Inner of the INVERTER

27 I Electrical Connections

[ Table 5-3 : Component Description of INVERTER ]

5.1.4.2 Overall Drawing of the Battery

The [Figure 5-4] and [Figure 5-5] shows the overall drawing of the Battery pack.
Please refer to the figure of the drawing for installation and maintenance.

A

B

[ Figure 5-4 : Battery Bottom View ]

D

No. Part List

A

B

C

D

E

Cable Gland

BMS Communication Connector

BMS Board

Battery (Made by Samsung SDI)

Terminal and Circuit Breaker

[ Table 5-4 : Component Description of Battery Pack ]

C

[ Figure 5-5 : Battery Front inside View ]

Bottom of the Battery

Inner of the Battery

E

Electrical Connections I 28

5.2 Opening the Front Case Cover

NOTICE

The LCD connector and ground are connected to center of top cover. Be careful when
you detach the front cover. Make sure to connect the connector and ground before
reassembling the front cover.

As shown in the [Table 5-5], The Q.HOME+ ESS HYB G2 front cover consists of a top cover with LCD and
LED, and a bottom cover for electrical connection. Do not remove the top cover except for special events
(A / S). The Battery pack also has the same method of opening the bottom cover.

Front View

(A), (C) Screw

L : 75mm

A

B

Insert the flat-head screwdriver
as shown below and lift it up.

C

Turn the screws (A, B, C, and D)
counterclockwise to disassemble.

D

Side View

(B), (D) Screw

L : 35mm

29 I Electrical Connections

[ Table 5-5 : Front Case Open Process ]

5.3 Battery Connections

CAUTION

• Make sure the AC circuit breaker, PV switch and DC circuit breaker of the Battery are
disconnected before starting electrical cable connections.

• Battery replacement can only be carried out by qualified personnel. If the Battery needs
to be changed, it should be placed with a product which meets the manufacturer’s
specifications.

• Do not mismatch the connection of the electric poles (+) to (-) and (-) to (+) when
installing. It may cause electric shock or the product may permanently be damaged.

You can connect a Battery to this product. The electricity generated from the connected PV array will be
stored in the Battery. Before connecting the Battery to this product, install the Battery on the place where
the Battery cables are easily accessible to this product. Refer to the installation manual of the Battery for
more information about Battery installation.

1. Open the bottom cover of INVERTER and Battery case.

• Incorrect Battery polarity connection will damage the product seriously.
This damage is not covered by the warranty.

• All other connections should be done defore Battery assembly and the Battery
interrupter must be off.

[ Figure 5-6 : Outside of Q.HOME+ ESS HYB G2 ]

Electrical Connections I 30

2. Check inner circuit breaker and terminal in Battery case.

[ Figure 5-7 : Inside of Q.HOME+ ESS HYB G2 ]

3. Connect the (+) and (-) wire (PCS) to the marked terminal (Battery). And then connect the ground
terminal.(See Chapter 5.8.4)

[ Figure 5-8 : Battery Pack and INVERTER Connection ]

4. Turn the cable gland clockwise to check the tightness.

[ Figure 5-9 : Cable Gland of Q.HOME+ ESS HYB G2 ]

31 I Electrical Connections

5. As shown in the [Figure 5-10], connect Battery communication connector is composed of BMS
Communication Adaptor and connect from outside. If you use more than one Battery (8kwh or
more), use the adaptor (Amphenol) for Battery communication. (EX. If you use 3 Battery, you need
2 adaptor for BMS communication.) When using the adaptor, hold the communication cable and
fasten the silver color of the adaptor to anticlockwise.

[ Figure 5-10 : BMS Communication Wire Connection ]

6. Change the switch on.

Switch

Move
the switch.

Switch

[ Figure 5-11 : Battery Pack Switch ]

7. Close the bottom cover of INVERTER and Battery case.

[ Figure 5-12 : Outside of INVERTER and Battery Case ]

Electrical Connections I 32

5.4 Closing the Front Case Cover

NOTICE

Make sure that connection between connector and ground match correctly, before
reassembling front lower cover.

1. Hold the front lower cover with both hands. As shown in the [Figure 5-13], slide the bottom cover at
an angle and connect it to the top cover.

[ Figure 5-13 : Front Cover Assembly Process 1 ]

2. As shown in the [Figure 5-14], Use a hexagon wrench (size : M4) to fasten the bolt clockwise.

Screwing

Torque = 1.4Nm

[ Figure 5-14 : Front Cover Assembly Process 2 ]

33 I Electrical Connections

5.5 Circuit Breaker

5.5.1 AC Circuit Breaker and DC Disconnect Switch

The circuit breaker populated on the distribution board varies depending on the installer.
Follow the installation standards to install a circuit breaker satisfying the voltage, the current specification
of the Grid and the PV. Refer to Chapter 5.1.2 for cable specification.

AC circuit breaker

DC disconnect switch

[ Table 5-6 : Circuit breaker and DC Disconnection Switch ]

Standard

230Vac / 32A

650Vdc / 27A or more

Short circuit current rating

10kA minimum

-

5.5.2 RCD (residual current device) Leakage Circuit Breaker

This product can cause a DC current in the external protective earthling conductor. Where a residual
current-operated protective (RCD) or monitoring (RCM) device is used for protection in case of direct or
indirect contact, rcd should be type b type a should have rcmu and rcmu can make inverter protect
when dc conponent large than 6ma.

Item Description

Detecting AC residual currents and pulsating DC residual

Type B

[ Table 5-7 : RCD Leakage circuit breaker description ]

currents of mains frequency, as well as smooth DC residual
currents and AC residual currents ≠ mains frequency

Electrical Connections I 34

5.6 An Installation Method of Energy Meter Electrical Connection

The electrical installation method of the digital energy meter (energy meter) must comply with installation
method provided by the digital energy meter manufacturer. However, the digital energy meter must be
selected.

The [Figure 5-15] shows the electrical cable connection and the communication lines of the digital energy
meter. Refer to the [Figure 5-15] and the communication description in Chapter 6 to install the digital
energy meter.

Battery

Power

Grid Output

Power

Energy

Meter for

Utility

Load Output

PV Input

Power

Power(Main)

Load Output

Power(Sub)

[ Figure 5-15 : Electric Cable Connection for Energy Meter Installation ]

The end system of the used lead wiring may be different with the energy meter chosen.
Therefore, refer to the energy meter manual.

35 I Electrical Connections

5.7 A Connecting Method of the DC Line from the PV

Refer to the [Figure 5-15] for the PV module connection. The lead wire coming from the PV module
is connected to the distribution box. For the structure of the distribution box, refer to subsection 5.5.
For the connection to the distribution box, connect each to the terminals of the solar energy of PV1+,
PV1-, PV2+, and PV2-. On the other hand, connect the distribution box terminals with the main body
terminals (PV1+, PV1-, PV2+, and PV2-) of the Q.HOME+ ESS HYB G2 in proper order. For the connectors
(PV1+, PV1-, PV2+, and PV2-) between the distribution box and the QQ.HOME+ ESS HYB G2 input,
the following types of connectors are used. Refer to Chapter 5.1.2 for cable specification.

[ Figure 5-16 : PV Connector (Female) and PV Line (Male) ]

Check the cable connection of PV strings for the correct polarity and that the open circuit voltage
does not exceed the INVERTER input limit 550 V. If open circuit voltage is higher than 550 V,
status of INVERTER is fault.

The Male product is connected to the lead wire coming from the distribution box in the PV side,
and the Female part is attached to the Q.HOME+ ESS HYB G2. The two products are properly docked
when connected together.
When inserting or pulling out the PV connector (MC4 Type), be sure to turn off the DC disconnection
switch.

DC

AUTO

V

Hz

mV A

V

OFF

mA

OFF

[ Figure 5-17 : PV Connector Connection (MC4 Type Connector Connection) ]

In the Q.HOME+ ESS HYB G2, the AC power input/output ports are plug type. Each cord shall be 6mm
and the diameter of the cable shall be approximately 18mm . The PE terminal is connected from the inside

2

2

of the product to the frame ground of the enclosure.

Electrical Connections I 36

* Wire connection

As shown in the [Figure 5-18], Remove the sheathed wire to conform to the connector specification,
and then roll the wire in one direction. Be careful not to bend or tangle the wires at this time.
Push the wire in until the connector "Click!" Sounds. When pulling the wire back and forth, the wire
should not be disconnected.

15,0 ... 16,5 mm

Click!

3 ... 4 Nm

[ Figure 5-18 : Wire Connection and Disconnection ]

37 I Electrical Connections

5.8 Connection Method between Grid and Load

CAUTION

Any failure of the INVERTER when it is not connected to ground through the appropriate
terminal is not covered by the warranty.

5.8.1 Grid Connection Method

To connect the Grid of the INVERTER, you need 3 connections :
Ground, Neutral and Phase. In any case, connection of the INVERTER to ground is mandatory.
Insert the Grid cable into the INVERTER through the AC cable gland. Strip 9 mm of cable from the cable
to connect to the Grid. Connect the Grid cable to the Sub Filter Board CN1. And then raise the handle
of the connector, insert the cable, and then lower the handle of the connector to secure the Grid cable.
Be sure to use the correct size cable and be free from flicker.

[ Figure 5-19 : Power Cable Connection to the AC Connector ]

5.8.2 Load Connection Method

To connect the Load of the INVERTER, you need 3 connections :
Ground, Neutral and Phase. In any case, connection of the INVERTER to ground is mandatory.
To connect the Load output, insert the cable into the INVERTER through the Load cable gland.
Strip 9 mm of cable from the cable to connect to Load. Connect the Load cable to the Filter Board CN603.
After lifting the handle of connector, insert the cable and lower the handle of the connector to secure the
Load cable. Be sure to use the correct size cable and be free from flicker.

[ Figure 5-20 : Power Cable Connection to the Load Connector ]

Electrical Connections I 38

5.8.3 Battery Connection Method

To connect the Battery, you need 3 connections :
Ground, (+) and (-). In any case, connection of the INVERTER to ground is mandatory.
To connect the Battery, insert the cable into the INVERTER through the Battery cable gland.
Strip 9 mm of cable from the cable to connect to Load. Connect the Battery cable to the Filter Board CN401.
After lifting the handle of connector, insert the cable and lower the handle of the connector to secure the
Battery cable. Be sure to use the correct size cable and be free from flicker.

[ Figure 5-21 : Power Cable Connection to the Load Connector ]

5.8.4 Feature and Size of Cable

The following lists the insulation strip length details for each conductor cross section.
Refer to Chapter 5.1.2 for cable specification. The ground wire should be grounded by crimping the ring
terminal. Refer to Chapter 2.3.4 for work on ring terminal.

Type

Strip Length

PE = 120 mm

7-8 mm

PE

//

Grid

9 mm

//

9 mm

L

N

L = N = 210 mm

PE = 115 mm

7-8 mm

PE

//

Load

9 mm

//

9 mm

L

N

L = N = 230 mm

PE = 150 mm

7-8 mm

PE

//

Battery

9 mm

//

9 mm

39 I Electrical Connections

L = N = 170 mm

[ Table 5-8 : Insulation Strip Lengths ]

As shown in [Figure 5-23], use the ring terminal to connect the ground wire to the correct location.
When the Grid cable is connected, tighten the cable gland clockwise as shown in [Figure 5-22] and
check the tightness.

[ Figure 5-22 : AC Cable Gland ]

Battery Load Grid

[ Figure 5-23 : Ground Location of Grid and Load ]

Electrical Connections I 40

5.8.5 A connecting method of DRM connection

The INVERTER supports the DRM (Demand Response Mode) function as specified in AS 4777.2 2015.
The terminal block inside the INVERTER is used for connecting to a demand response enabling device (DRED).
The DRED asserts DRMs. The INVERTER detects and initiates a response to all supported demand response
commands within 2s. The following table lists the DRMs supported by the INVERTER.
(DRM 3 and DRM7 will supply or sink reactive power.)

Mode Explanation

DRM 0

DRM 1

DRM 2

DRM 3

DRM 4

DRM 5

DRM 6

DRM 7

DRM 8

The INVERTER is in the state of “Key-stop.”

The import power from the grid is 0.

The import power from the grid is no more than 50% of the rated power.

The import power from the grid is no more than 75% of the rated power.

The import power from the grid is no more than 100% of the rated power,

but subject to the constrains from other active DRMs.

The export power from the grid is 0.

The export power from the grid is no more than 50% of the rated power.

The export power from the grid is no more than 75% of the rated power.

The export power from the grid is no more than 100% of the rated power,

but subject to the constrains from other active DRMs.

[ Table 5-9 : DRMs Supported by the INVERTER ]

RJ45 Plug. Pin 1

1 2 3 4 5 6 7 8

Clip is pointed

away from you.

Corresponding Relationship

Between Cables and Pins (568B)

Pin. 1 : White-orange
Pin. 2 : Orange
Pin. 3 : White-green
Pin. 4 : Blue
Pin. 5 : White-blue
Pin. 6 : Green
Pin. 7 : White-brown
Pin. 8 : Brown

* The cable for connecting to the DRM is not included
in the delivery.
* The cable for DRM connecting must be made as described
in chapter 6.

: DRM 1/5
: DRM 2/6
: DRM 3/7
: DRM 4/8
: RefGen
: Com.DRM 0
: ­: -

T-568B

External

Connector

RJ45
LAN Cable

[ Figure 5-24 : DRM Connection Method ]

41 I Electrical Connections

1

2

Step 1 ) Enter SIM (Installer) Page.
* Enter http://Your_IP:8000 or http://17.91.23.196:8000 (Static IP)

Step 2 ) Click Operating Test button.

3

4

Step 3 ) Click DRM-HW button.
* Make sure that the color of button changes to yellow.
Step 4 ) Click Return to Top Menu button.

• This process is valid when using DRM Hardware.

• If you want to use DRM via Modbus, see Modbus Protocol Document.

• If the ESS is rebooted, the previous setting is invalid. If you have rebooted, please try again.

Electrical Connections I 42

6. Communication Connection

6.1 Internet Connection

6.1.1 Components

• Wired Router (not provided in the product package)

• RJ45 general LAN Cable (not provided in the product package, the length of the cable must be
less than 10m.)

6.1.2 Connection Block Diagram

• LAN (Common carrier → Router) → ESS

Router

RJ45 LAN CABLE RJ45 LAN CABLE

[ Figure 6-1 : Internet Connection ]

Common

Carrier

6.1.3 Connection Method

Plug the RJ45 LAN Cable between the LAN terminal and the Router. Use the Ethernet crimper to crimp
the cable and connect the cable to RJ45 plug. The RJ45 cable is responsible for communication between
the web and the PMS board.

1 2 3 4 5 6 7 8

RJ45 PlugRJ45 Port

[ Figure 6-2 : RJ45 Cable ]

Sealing Nut

Seal

Housing Sub-Assy

43 I Communication Connection

Pass the screw nut, seal and support through the RJ-cable
(Cable OD range : 5.0~6.5mm)

Support

Tighten the screw nut (Tightening torque range : 5~15kgf·cm)

[ Figure 6-3 : RJ45 External Connector Assembly ]

6.2 The Communication Terminal

• Energy meter : Connect to RS-485 Energy Meter, Out Connector Board CN2.

• Short bar is connected to CN1. Refer to Chapter 7.2.

Energy Meter

CN2

CN1

RS485/CAN

CN3

I/O EXT

CN4

CN906

CN905CN901CN902CN904

Emergency

CN5

[ Figure 6-4 : Communication Terminal ]

Short bar location Description

①, ②

③, ④

⑤, ⑥

⑦, ⑧

⑨, ⑩

You can connect to the System
Install Manager (SIM) and set IP.

Using this pins is permitted only
to the qualified personnel.

Using this pins is permitted only
to the qualified personnel.

Using this pins is permitted only
to the qualified personnel.

Default

Pin map

① ②

③ ④

⑤ ⑥

⑦ ⑧

⑨ ⑩

[ Table 6-1 : Description of Short Bar Location ]

Communication Connection I 44

6.3 Energy Meter Connection

6.3.1 RS-485 Interface

6.3.1.1 Components

• RS-485 Meter

- The Energy Meter uses RS-485 Interface for communication.

• Connection line (Not provided in the product package)

- It should be applied to a twisted-pair type.

• Cable length limit

- The RS-485 meter communication cable must be used within 100 m.

6.3.1.2 Connection terminal

PUSH!

[ Figure 6-5 : Out Connector Board Wire Connection Method ]

Make sure that the housing and connector are connected. As shown in the [Figure 6-5], separate
housing from connector. And press the lock with a flat-head screwdriver to connect the communication
cable. The RS-485 meter communication cable must be used within 100m.

6.3.2 Connection Energy Meter

Pass the communication cable through the cable gland and tighten the cable gland. Connect the energy
meter to the INVERTER as shown in the [Table 6-2].

INVERTER

RS458-A

RS485-B

[ Table 6-2 : Recommended Meter List ]

Energy Meter

42

41

45 I Communication Connection

[ Figure 6-6 : Energy Meter Connection Method ]

CN906

CN2

CN1

RS485-A

CN2

CN3

CN4

CN5

CN906

CN1

CN905CN901CN902CN904

OUT Connector Board

RS485-B

CGND

CGND

[ Figure 6-7 : Energy Meter Connection Method ]

6.4 Recommended Energy Meter List

No. Company Model Interface Direction

1

2

CARLO GAVAZZI

CARLO GAVAZZI

EM24-DIN.AV9.3.X.IS.X

EM112-DIN.AV0.X.S1.X

RS-485

RS-485

Bi-direction

Bi-direction

[ Table 6-3 : Recommended Meter List ]

Communication Connection I 46

6.5 Homepage

Any customer who has purchased this device can use a web browser (https://myess.hansoltechnics.com)
or a smart phone to check its current operation status and receive various statistical information on operation
in the house or remotely.

6.5.1 Service Terms

This service is provided only when the device is connected to the Internet, and specific services may require
additional information only after approval from the customer.

6.5.2 Membership

To use this service, you must register for membership through our homepage.
During membership registration, the member’s information such as ID, password, name and the address
are collected, and additional data may also be collected to provide statistical information upon customer’s
approval.

6.5.3 Membership Withdrawal

For a customer who does not want to use this service, membership withdrawal is available through the
personal information modification menu on the homepage.

6.5.4 Log-In

Log in to the homepage through the ID and the password generated through membership registration.
You can monitor the product online only when you are logged in. Also, if a log-in ID error or a password
error occurs five consecutive times, access is blocked for 10 minutes for security reasons, and access
is permitted after this waiting period of time.

47 I Communication Connection

[ Figure 6-8 : Log-in Page ]

6.5.5 Password Initialization

A customer who forgets the password during use can initialize the password by using the password
initialization menu on the homepage. On the log-in page, select the “Forgot your id or password?” menu,
and when the customer confirms the ID and the e-mail address created during membership registration,
the initialized password is sent to the registered e-mail address.

[ Figure 6-9 : Password Initialization Page ]

6.5.6 Types of Service Offered

After completing log-in, normal service is available. This service currently provides such menu items
as monitoring, consumption reports, ESS reports, ESS forecasts, and notices.

6.5.6.1 Monitoring

The operational status of the product is indicated. You can check the current status of operation, the
customer's power consumption information, and power generation amount information in real-time.
You can also check event codes generated during run time on the monitoring page. You can check
the details of the event codes by clicking the exclamation marks which appear on the ESS icon.
If the Internet is not available, the event codes cannot be checked.

[ Figure 6-10 : Monitoring Page ]

Communication Connection I 48

The [Figure 6-11] shows the backup mode screen. This mode can be specified by the user.
Since the Grid does not consume power separately in the backup mode, it shows only the ESS.
In the figure below, warning on ESS is an error that power does not come on the Grid.

[ Figure 6-11 : Backup Mode Monitoring Page ]

6.5.6.2 Consumption Report

The household power consumption information collected during energy meter linkage is provided.
In particular, such information on as the household type, the size, and the number of family residents
is collected according to the customer's approval. You can use these data to identify various types
of statistics and comparative analysis data.

[ Figure 6-12 : Consumption Report Page ]

6.5.6.3 ESS Report

On the ESS Report page, you can check various types of data generated through ESS operation.
You can also use the ESS Report to check the amount of energy charged or discharged and other
data comparisons with the solar energy production amount or the power sales amount.

49 I Communication Connection

6.5.6.4 ESS Forecast

In the ESS Forecast menu, the generation amount forecast information and the guide for optimized
operation can be checked through the algorithm mounted on the product.

[ Figure 6-13 : Forecast Page ]

6.5.6.5 Notices

You can check the notice message whenever there is an update or any other change in the service.

6.5.6.6 Software Versions

You can check the software version of the product on the monitoring page.

Software

Version

[ Figure 6-14 : Setting Page ]

Communication Connection I 50

6.5.7 Mobile Service

Customers who use Android or I-Phone can use a smart phone to easily check the product status
anytime, anywhere. To use the mobile service, the customer must first register the membership through
the webpage and use the ID and the password to log-in.

[ Figure 6-15 : Mobile Service Page ]

51 I Communication Connection

7. Entering Initial Installation Information

You can use the following procedure to enter the initial installation information and to monitor the operational
information of this system appropriately on server.

7.1 Information Input Administrator

You have to use a laptop or a smart phone to enter the installation information.

7.2 System Information Input Stage

• 1st Step : Direct Connection to PC → Input Local Setting Value

• 2nd Step : Connection to Web Page → Input Webpage Setting Value

7.3 PC Direct Connection and Local Setting Value

7.3.1 PC Direct Connection Flow

• System Off Status → Insert Jumper Wire, Connect PC LAN cable → System AC on →
PC Direct Connection → Input Setting Value → System off → Remove Jumper Wire →
Connect Internet LAN Cable

7.3.2 LAN Cable Connection between PC and System

7.3.2.1 LAN Cable Type

• UTP cable/category 5E

• 1:1 direct cable

7.3.3 SIM (System Install Manager) Connection

7.3.3.1 Connection

• To enable direct communication between the computer and the Q.HOME+ ESS HYB G2, change
the TCP/IP settings on the computer as shown below :

1. Set on your laptop
[Control Panel → Network and Sharing Center → Change adapter settings → Local Area Connector
→ Properties → Internet Protocol Version 4 (TCP/Ipv4)]

IP address: 17.91.23.1
Subnet mask: 255.255.224.0
Default gateway: 17.91.1.2

Entering Initial Installation Information I 52

[ Figure 7-1 : Setting Laptop IP ]

CAUTION

• Turn off Wifi.

• Only turn on Local Area Connection.

2. Connect the short bar to the connector.
(*If you want to connect System Install Manager (SIM) page, connect the short bar to pin 1 & 2
as shown in the [Figure 7-2].)

Short Bar

CN906

CN2

53 I Entering Initial Installation Information

CN905CN901CN902CN904

CN1

CN3

CN4

[ Figure 7-2 : Connecting Short Bar ]

CN5

3. Connect the LAN cable between Q.HOME+ ESS HYB G2 and Laptop.

4. Turn the power On (Grid On) and PV S/W On.

5. Access to SIM (System Install Manager) http://17.91.23.196:8000

6. Install the settings (As shown in the [Figure 7-3]).

7. Turn the power Off (Grid Off) and PV S/W Off. → Remove Jumper Wire.

8. Connect Internet LAN Cable.

9. Turn the power On (Grid On) and PV S/W On.

7.3.3.2 Connection URL

• http://17.91.23.196:8000

7.3.3.3 Connection Screen

4

5

1

2

3

1 - Value : INVERTER Active Power

• Input Range : 0 ~ 100% (P/Pmax)

• Pmax = Maximum INVERTER Output Power

2 - SL,SH : Rate of change of power with respect to frequency change

• Input Range : 2 ~ 12%

- Xn : Frequency

• X1,X2 Input Range : 40.0 ~ 60.0 Hz

• X3,X4 Input Range : 50.0 ~ 70.0 Hz

3 - Xn : Voltage

• Input Range : 0.8 ~ 1.2U

• U = 230.0 Vac

- Yn : Power

• Input Range : 0.0 ~ 1.0 Pmax

• Pmax = Maximum INVERTER Output Power

4 - Value : Power Factor

• Input Range : 0.8 ~ 1.0

5 - Xn : Power

• Input Range : 0.0 ~ 1.0 Pmax

• Pmax = Maximum INVERTER Output Power

- Yn : Power Factor

• Input Range : 0.8 ~ 1.0

6 - Value : Power Factor

• Input Range : 0.0 ~ 0.6

7 - Xn : Voltage

• Input Range : 0.0 ~ 1.9999U

• U = 230 Vac

- Yn : Reactive Power

• Input Range : -60.0 ~ 60.0%

6

7

[ Figure 7-3 : Initial Setup Page ]

Entering Initial Installation Information I 54

7.3.4 SIM(System Install Manager) Battery Installing

7.3.4.1 Main Page

Save the selected Country / Region and proceed to the next step.

7.3.4.2 Battery Install - Initialize

1

2

Step 1 ) Click here.
Step 2 ) Select Initial ID function and click SELECT button.

55 I Entering Initial Installation Information

3 4

Step 3 ) Connect the Communication Cable of all the Batteries you want to install.
Step 4 ) Then click the START button.

5

Step 5 ) If it completes normally, the same screen appears. If there is a problem return to “Step 1”.
Then click the FINISH button to complete Initialize.

Entering Initial Installation Information I 56

7.3.4.3 Battery installation process.

1

Step 1 ) Click here.
Step 2 ) Select Auto function and click SELECT button.

2

Step 3 ) Select the number of batteries you want to install.
Step 4 ) Click the ENTER button.

43

57 I Entering Initial Installation Information

5 6

Step 5 ) Connect the Communication Cable of the first Battery you want to install.
Step 6 ) Then click the ‘Configure ID !!!’ button.

7

Step 7 ) Wait until the battery connected the communication Cable is installed.

Entering Initial Installation Information I 58

8

Step 8 ) When the installation is completed for the desired Number of batteries, ‘SAVE BMS ID’ button
will Appear as below.
Then click the ‘SAVE BMS ID’ button to complete The installation.

Step 9 ) If there are still batteries left to install, the following Screen appears. Repeat the previous step.

59 I Entering Initial Installation Information

7.3.5 Battery Installation Process with HMI

1

2

Step 1 )

Touch Battery Icon 10 times.

Step 2 )

Select. [Initial ID]

3

5

6

Step 3 )

Click Next Button.

Step 4 )

※ All Battery Pack Communication Cables are
Connected.

Step 5 )

Click Next Button.

Step 6 )

Check Initialization Success Message.
※ If there is Failure Message, Click Stop Button
and Check Communication Line.
Go to Sequence No.2. [Initial ID]

7

Step 7 )

Click Finish Button when Initialization is successful.

Entering Initial Installation Information I 60

Step 8 )

9

※ Disconnect all communication cable.
Open Circuit Breakers.

Step 9 )

Select [Auto] and set the amount of the battery to install.
※ Example) Amount of batteries to install : 2

13

10

12

14

Step 10 )

Click Next Button.

Step 11 )

※ Connect the communication cable of the First battery.
(The communication cable of the 2nd battery is
not connected.)

Step 12 )

Click Next Button.

Step 13 )

Check Initialization Success Message.
※ If there is Failure Message, Click Stop Button
and Check Communication Line.
Go to Sequence No.2. [Initial ID]

Step 14 )

Click Next Button.

16

61 I Entering Initial Installation Information

17

Step 15 )

※ Connect the communication cable of the 2nd battery.

(The communication cable of the 1st battery is
not connected.)

Step 16 )

If there is Failure Message, Click Stop Button
and Check Communication Line.
Go to Sequence No.2. [Initial ID]

Step 17 )

Click Finish Button.

Step 18 )

※ When installing more batteries, Follow and Repeat
this procedure above.

7.3.6 Entering Setting Value

7.3.6.1 S/N

• Enter shipment value from the factory (a subsequent modification is not available.)

7.3.6.2 Region

• Select a city and enter the city name for installation on the menu.

7.3.6.3 Country / Region Configure

• Save the selected Country / Region and proceed to the next step.

7.3.6.4 PV Install Value

• Enter installation capacity of each PV string.

• Enter by typing by hand.

7.3.6.5 Sever IP & Port

• Enter as basic value.

• Perform any modification for relevant issues only.

7.3.6.6 Energy Meter Selection

• Meter Type

- RS-485

• RS-485 Meter model selection

- Energy Meter recommends using EM24.
Refer to the Quick Guide for Energy Meter self-configuration and installation.

7.3.6.7 Date / Time setting

• Enter the current date and time.

7.3.6.8 Save and Restart

• Save onto the system after all the procedures above are completed.

7.3.6.9 Grid Feed in Limit Regulation Setting

• For some countries that have a regulation for the Grid feed in limit, the device allows the installer
to set up a limit value. You can select the required limit value in the [Feed in Limit Percentage]
on the set up screen. The selectable values is 0%,10%,20%,30%,40%,50%,60%,70%,80%,90%,
and unlimited. The term unlimited means that is that there is no Grid feed-in limit.

Entering Initial Installation Information I 62

7.4 Web Page Connection

7.4.1 Web Page Connection

Open an Internet browser of your laptop or smart phone, then enter the designated address.
Then the system information input page pops up.

• Input URL : https://myess.hansoltechnics.com

• Concurrent support of PC and Mobile

1. By typing ““https://myess.hansoltechnics.com,”access the corresponding website. Then click the
“Go to Installer” icon at the top.

CLICK!

NOTICE

• Note that the URL starts with "http://".

• In case your computer, tablet, or smartphone does not support HTML5, it may not

operate normally.

• Some older smart devices may not operate normally, if its browser version is lower.

63 I Entering Initial Installation Information

[ Figure 7-4 : Main Page ]

2. Enter your ID and password in the login window. If you have no account, please join as a Member

NOTICE

• To install the product, you must obtain an installer membership instead of a general
membership.

• To join as an installer member, a special number is required. First check the special
number from the local dealer or service center.

3. Click the “Join Membership” link.

4. In order to join as a member, you must consent to the terms for personal privacy protection.
The terms have been prepared in accordance with applicable local laws.
If you do not agree to the terms, you cannot join as a member.

5. Enter the required information for registration.

NOTICE

• The optional items for company name and eamil address are necessary for quick contact
and response from the service center.

• Enter the number identified through a pre-contact in Special Number.

6. After obtaining a membership, a completion message appears. Click the "Log In" button.

7. After login, the main installer page appears. After selecting the menu button at the upper left corner,
select Product → Installation.

[ Figure 7-5 : Installer in Page ]

8. The installation wizard runs automatically. Explain the terms for personal privacy protection to your
customer and obtain the consent to the terms with a signature.

NOTICE

• The data collected during the installation process is used only for installation purpose.

• The consent and signature acquisition process proceeds according to the local laws.
We at Q CELLS are making the utmost effort to protect personal information
in accordance with the laws.

Entering Initial Installation Information I 64

9. Enter the product information and customer information in Step 1. The product serial number and
user telephone number are required. The product serial number is on the upper area of the cover.
Please also enter your country and BATT.

[ Figure 7-6 : Product Information Entry Screen in Step 1 ]

NOTICE

• If you enter the product serial number (21 characters), the rest of the information is
automatically filled in.

• The user telephone number is used for after-sales service purpose.

10. Enter the information of the installation site in Step 2. In the address input field, enter the address or
select the installation site on the map. After the installation site entry is finished, click the "Next" button.

[ Figure 7-7 : Address Entry in Step 2 ]

NOTICE

• In the address input box, enter the country and city. It is recommended to move the
focus on the map and select the installation site.

• If the location is incorrect, the smart operation algorithm may not operate normally.

65 I Entering Initial Installation Information

11. Enter the product Setup Information details in Step 3. Enter values for installed capacities for each
PV string, feed-in limit (e.g. 60% in Germany), maximum INVERTER power, whether or not to use
the basic mode, energy meter type, and its model. Q CELLS supports stable country default settings.
(Countries that do not have their current default settings will be supported in the future.)

EM112

[ Figure 7-8 : Product Setup Information Details Entry in Step 3 ]

CAUTION

If configuration in this page has errors, it may cause product failure.
Accordingly, first check specific installation conditions of the house for accuracy.

12. Enter the energy rate Information of the house in Step 4. If a house uses a variable tariff , the charge
and discharge operations may differ depending on the input price. Enter the time-based electricity
tariff correctly. If a house uses a fixed payment tariff, the charge and discharge operations are not
affected depending on the input price. The entry of energy price is used only for reference to calculate
energy costs and it may not be the same as the actual electricity rate.

[ Figure 7-9 : Energy Rate Information Entry in Step 4 ]

Entering Initial Installation Information I 66

NOTICE

The entry of energy price is used only for reference to calculate energy costs and it may
not be the same as the actual electricity rate. Q CELLS will not assume responsibility for
incorrect estimated rates.

13. End the installation. If you click the "Done" button, the product monitoring details page appears.
Check whether the login is finished within 2 to 3 minutes. Some products immediately run
“Automatic Update.”

67 I Entering Initial Installation Information

[ Figure 7-10 : Installation Completion Screen ]

8. Operating Test

8.1 LED Indications

As shown in the [Figure 8-1], the LED of Q.HOME+ ESS HYB G2 is located at bottom of LCD.
The color of LED depend on current status of INVERTER and LED display information can be checked
in [Table 8-1].

A B C

[ Figure 8-1 : LCD Location ]

Solar (A) Battery (B) Grid (C)

OFF

Green

Red

8.2 Starting the System

After completing the installation, turn on the AC circuit breaker installed in the distribution box and then
turn on the DC disconnect switch on the product.
Check the system check message on the front LCD screen.

Energy is not being generated.

Energy is being generated.

Fault

[ Table 8-1 : LED Indications ]

Battery is not connected.

Battery is connected.

Fault

Grid is not connected.

Grid is connected.

Fault

8.2.1 Loading Screen & Update Screen

The [Figure 8-2] is displayed at the time of initial boot, and the home screen is displayed when
internal communication is normal. The time setting is automatically renewed when connected
to the network. The [Figure 8-3] is a screen display when ESS Software (PMS & PCS) is updated.

[ Figure 8-2 : Initial Indication Screen on Power On ] [ Figure 8-3 : Update Screen ]

Entering Initial Installation Information I 68

8.2.2 Home Screen Configuration Information

② ③ ④

①

02 : 52 PM

PV

5.06kw

BATTERY

⑬

No. Screen Information

①

②

③

④

⑤

⑥

⑦

⑧

⑨

⑩

⑪

⑫

⑬

1.60kw

⑥ ⑤

[ Figure 8-4 : Standby State Indication Screen before the EMS Command ]

Time Information

Operation Status

Network Connection Status

Meter Connection Status

Home Button

Previous Button

Next Button

PV Power

Load Power

Battery Power

Grid Power

ESS Status Information

Battery SOC

Hybrid ESS

⑧ ⑨

ESS

⑩ ⑪

Normal

Display time information

Internal communication connection status

(PV, Battery, Indication during independent operation)

Display status when connecting to Ethernet network

Display status when connecting to meter

Go to home display

Go to previous screen

Go to next screen

Display current PV power

Display current Load power

Display current Battery power

Display current Grid power

Display ESS normal operation

(Standby/Normal/Fault/Fault Lock/Error Comm)

Battery SOC status

⑫

LOAD

1.47kw

GRID

1.98kw

⑦

Description

[ Table 8-2 : Screen Configuration Information ]

You will receive the command from the EMS to convert to operation mode.
For individual operation mode screen, refer to 8.4.

69 I Operating Test

8.2.2.1 Home menu structure

If you touch next or previous button, the screen is displayed as shown in the [Figure 8-5].
The description of each screen refer to Chapter 8.5

[ Figure 8-5 : Home Menu Structure ]

8.3 Turning off the System

To turn-off the system, turn off the DC disconnection switch and then push down the manual AC circuit
breaker in the distribution board.

Operating Test I 70

8.4 Descriptions of Operation Mode

This system is composed of six modes: PV Auto, PV Only, Battery discharge, Standby, Maintenance
(forced charge), and Stand-Alone (Back-up). The event check status should not be considered as
any specific mode.

8.4.1 Status Description

Mode Screen Information

PV
Generation

Battery
Charge

Battery
Discharge

Grid Input

Grid Output

Load Input

ESS

ESS

ESS

ESS

ESS

ESS

Description

The electrical power is generated by PV.

The Battery is charging.

The Battery is discharging.

Supply the electrical power of
Grid to INVERTER.

The power generated from the
PV is fed into the Grid.

The power generated by INVERTER
is supplied to Load.

[ Table 8-3 : Status Description ]

8.4.2 Operation Sequence

ELA ELA Mode

PV Battery Grid Load

Auto W/S Mode

PV Output

Grid Charge

Battery Discharge

Stand Alone

O

O

X

O

O

O

X

O : It enters when there is a battery fault.

O

O

O

O

O

O

O

O

O

Battery fault

or No Battery

PV

Output

Battery Voltage

emergency

Auto w/s

(Basic Mode)

No

Grid

PV Voltage

No

Grid

Stand
Alone

No

No

Grid

X : Don’t care. One of the PV and the battery
is in a steady state.

Grid

Charge

Battery

Discharge

[ Table 8-4 : ELA Mode ]

8.4.3 Standby Mode

This is the standby mode before converting to operation mode (PV Auto, PV Only, Battery discharge mode).
Conversion to the operation mode (PV Auto, PV Only, Battery discharge mode) is made by the EMS decision.

71 I Operating Test

8.4.4 PV-Auto Mode

This mode is divided into three types depending on the state of the Battery power.

8.4.4.1 Weak

Solar energy generation and Battery discharging are available. The solar-generated power is supplied
to sub and load. In case of insufficient power, the battery is discharged on the EMS decision. When Load
Output Power (Sub) is higher than power generation of PV and Battery, Grid power is supplied to the Sub.

• Use smart meter. The energy supply priority is : load (sub+main) > grid

• Not use smart meter. The energy supply priority is : sub_load > grid

Battery

Power

Grid Output

Power

Energy

Meter for

Utility

Load Output
Power(Main)

PV Input

Power

Load Output

Power(Sub)

One Way

Bi-directional way

Inactive

[ Figure 8-6 : Diagram of PV-Auto Weak Mode ]

8.4.4.2 Strong

Solar energy generation and Battery charging are available. The solar-generated power is charged
to the Battery based on the EMS decision.

• Use smart meter. The energy supply priority is : load (sub+main) > battery > grid

• Not use smart meter. The energy supply priority is : sub_load > battery > grid

Battery

Power

PV Input

Power

Grid Output

Power

Energy

Meter for

Utility

Load Output
Power(Main)

Load Output

Power(Sub)

[ Figure 8-7 : Diagram of PV-Auto Strong Mode ]

One Way

Bi-directional way

Inactive

Operating Test I 72

8.4.4.3 Both

Both solar energy generation and Battery charge-discharge are available. The solar-generated power is
charged or discharged to the Battery based on the EMS decision.

• Use smart meter. The energy supply priority is : load (sub+main) > battery > grid

• Not use smart meter. The energy supply priority is : sub_load > battery > grid

Battery

Power

Grid Output

Power

Energy

Meter for

Utility

Load Output
Power(Main)

PV Input

Power

Load Output

Power(Sub)

One Way

Bi-directional way

Inactive

[ Figure 8-8 : Diagram of PV-Auto Strong Both Mode ]

8.4.5 PV-Only Mode

This mode enables the solar energy to be generated. However, the Battery charge-discharge does
not operate. A maximum of power or less of solar energy generation power can be sent to Grid based
on the EMS decision.

• Use smart meter. The energy supply priority is : load (sub+main) > grid

• Not use smart meter. The energy supply priority is : sub_load > grid

73 I Operating Test

Battery

Power

PV Input

Power

Grid Output

Power

Load Output
Power(Main)

Load Output

Power(Sub)

[ Figure 8-9 : Diagram of PV-Only Mode ]

Energy

Meter for

Utility

One Way

Bi-directional way

Inactive

8.4.6 Battery-Discharge Mode

This mode permits of no solar energy generation. Battery discharge is only available on this mode.
Based on the EMS decision, the Battery discharge power can be sent maximum 3kW or less only to the Load.

• Use smart meter. The energy supply priority is : only load (sub+main)

• Not use smart meter. The energy supply priority is : sub_load

Battery

Power

Grid Output

Power

Energy

Meter for

Utility

Load Output
Power(Main)

PV Input

Power

Load Output

Power(Sub)

One Way

Bi-directional way

Inactive

[ Figure 8-10 : Diagram of Battery-Discharge Mode ]

8.4.7 Stand-Alone (Back-up) Mode

When Q.HOME+ ESS HYB G2 is disconnected from the grid, Q.HOME+ ESS HYB G2 enters into
the Stand-Alone (Back-up) Mode.

• Use smart meter. The energy supply priority is : sub_load > battery

• Not use smart meter. The energy supply priority is : sub_load > battery

Battery

Power

PV Input

Power

Grid Output

Power

Energy

Meter for

Utility

Load Output
Power(Main)

Load Output

Power(Sub)

[ Figure 8-11 : Diagram of Stand-Alone (Back-up) Mode ]

One Way

Bi-directional way

Inactive

Operating Test I 74

8.4.8 Grid Charge Mode

The grid charging function operates when the battery is in the emergency mode.
(Battery soc works when less than 3%) Maximum input power is only 4600W.

• Use smart meter. The energy supply priority is : load > battery

• Not use smart meter. The energy supply priority is : load > battery

Battery

Power

Grid Output

Power

Energy

Meter for

Utility

Load Output
Power(Main)

PV Input

Power

Load Output

Power(Sub)

One Way

Bi-directional way

Inactive

[ Figure 8-12 : Grid Charge Mode ]

8.4.9 Event Check Mode

This mode stops solar energy generation and put it in standby mode as an event occurs.

75 I Operating Test

8.5 Information Display

8.5.1 PV Information display

[ Figure 8-13 : PV Information Display ]

Display

PV1 Voltage

PV1 Current

PV1 Power

PV2 Voltage

PV2 Current

PV2 Power

Today Power

Total Power

Graph

Description

Display current PV1 voltage

Display current PV1 current

Display current PV1 power

Display current PV2 voltage

Display current PV2 current

Display current PV2 power

Display today’s PV power

Display the mount of PV power

Display PV power graph (Daily/Weekly/Monthly/Yearly)

(If you want to see the next graph, touch graph screen.)

[ Table 8-5 : PV Information Display Description ]

Operating Test I 76

8.5.2 Grid Information display

[ Figure 8-14 : Grid Information Display ]

Display

Voltage

Frequency

Current

Power

Power Factor

Today Feed-in Power

Today Feed-out Power

Total Feed-in Power

Total Feed-out Power

Graph

Description

Display Grid voltage

Display Grid frequency

Display Grid current

Display Grid active power

Display Grid power factor

Display today’s power received from the Grid

Display today’s electricity sent to the Grid

Display the amount of electricity received from the Grid

Display the amount of electricity sent to the Grid

Display Grid power graph (Daily/Weekly/Monthly/Yearly)

(If you want to see the next graph, touch graph screen.)

[ Table 8-6 : Grid Information Display Description ]

77 I Operating Test

8.5.3 Load Information display

[ Figure 8-15 : Load Information Display ]

Display

Voltage

Current

Frequency

Power

Today Power

Total in Power

Graph

Description

Display Load voltage

Display Load current

Display Load frequency

Display Load active power

Display today’s Load power

Display the amount of power used in today's Load

Display Load power graph (Daily/Weekly/Monthly/Yearly)

(If you want to see the next graph, touch graph screen.)

[ Table 8-7 : Load Information Display Description ]

Operating Test I 78

8.5.4 Battery Information display

[ Figure 8-16 : Battery Information Display ]

Display

Voltage

Current

Power

SOC

SOH

Today Charge Power

Today Discharge Power

Total Power Charge

Total Power Discharge

Graph

Description

Display Battery voltage

Display Battery current

Display Battery charging / discharging power

State of charge

State of health

Display today's Battery charge power

Display Battery power factor

Display the amount of Battery charge power

Display the amount of Battery discharge power

Display Battery power graph (Daily/Weekly/Monthly/Yearly)

(If you want to see the next graph, touch graph screen.)

[ Table 8-8 : Battery Information Display Description ]

79 I Operating Test

8.5.5 System Information display

[ Figure 8-17 : System Information Display ]

Display

Product Model

Product Country

IP Address

Software Version

PMS Version

PCS Master Version

PCS Slave Version

HMI Version

BMS Version

Description

Name of this product

Country using this product

IP Address

Software version of this product

Software version of PMS

Software version of PCS master

Software version of PCS slave

Software version of HMI

Software version of BMS (up to 5 types)

[ Table 8-9 : System Information Display Description ]

Operating Test I 80

8.5.6 Error Information display

[ Figure 8-18 : Error Information Display ]

Date

Time

Error

Display

Description

The date the fault occurred.

The time the fault occurred.

Type of fault (See Chapter 9.1)

If there are more than 10 errors, the first error is cleared.

[ Table 8-10 : Error Information Display Description ]

81 I Operating Test

9. Problem Confirmation

Checking event codes is available on the website (https://myess.hansoltechnics.com).
If the Internet is not available, the event codes cannot be checked.

9.1 General Events

The general events contain warnings and protection.
The warning level events does not stop the generating process. A displayed warning message automatically
disappears as soon as the issue is resolved.
When protection level events occur, the product stop the generating process. The process may automatically
resume as long as the issue is resolved.

9.1.1 INVERTER General Events (Protection)

Type : PROTECTION

WEB Display HMI Display Description Measures

BDC I TZM PD01P

BDC I TZS PD02P

BDC1 COC PD03P

BDC Current Trip
Zone Master Protection

BDC Current Trip
Zone Slave Protection

BDC1 Charge RMS
Over Current Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

BDC1 COCP PD04P

BDC1 Charge Over
Current Peak Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Problem Confirmation I 82

WEB Display HMI Display Description Measures

BDC1 DOC PD05P

BDC1 DOCP PD06P

BDC2 COC PD13P

BDC1 Discharge
RMS Over Current
Protection

BDC1 Discharge
Over Current Peak
Protection

BDC2 Charge RMS
Over Current Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

BDC2 COCP PD14P

BDC2 DOC PD15P

BDC2 DOCP PD16P

BDC2 Charge Over
Current Peak Protection

BDC2 Discharge RMS
Over Current Protection

BDC2 Discharge Over
Current Peak Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. nbWait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

83 I Problem Confirmation

WEB Display HMI Display Description Measures

BDC UV PD21P

BDC RMS Under
Voltage Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

BDC OV PD22P

BDC RMS Over
Voltage Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

BDC OVP PD23P

BDC Over Voltage
Peak Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

BDC OW PD24P

BDC RMS Over Watt
Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

BDCM OT PD25P

BDC Module Over
Temp Protection

When the switch temperature is high.
Wait until the event message disappears.
After the event message is removed, it
automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

BDCM UT PD26P

BDC Module Under
Temp Protection

When the switch temperature is low.
Wait until the event message disappears.
After the event message is removed, it
automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Problem Confirmation I 84

WEB Display HMI Display Description Measures

INV I TZM PG01P

INV I TZS PG02P

INV OW PG03P

INV Current Trip Zone
Master Protection

INV Current Trip Zone
Slave Protection

INV Over Watt
Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

INV OC PG04P

INV OCP PG05P

INV OT PG06P

INV RMS Over Current
Protection

INV Over Current
Peak Protection

INV Module Temp
Over Temp Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

When the switch temperature is high.
Wait until the event message disappears.
After the event message is removed, it
automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

85 I Problem Confirmation

WEB Display HMI Display Description Measures

INV UT PG07P

INV Module Temp
Under Temp Protection

When the switch temperature is low.
Wait until the event message disappears.
After the event message is removed, it
automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

GRID OW PG11P

Grid Over Watt
Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

GRID UV PG12P

Check the connection of Grid Voltage cable.Grid RMS Under

Voltage Protection

GRID OV PG13P

Grid RMS Over
Voltage Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

GRID OVP PG14P

Grid Over Voltage
Peak Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

GRID OF PG15P

Grid Over Frequency
Protection

The operation mode is terminated when
a power system event occurs.
Restart 1 minute after the electric power
system event is settled

GRID UF PG16P

Grid Under Frequency
Protection

The operation mode is terminated when
a power system event occurs.
Restart 1 minute after the electric power
system event is settled

Problem Confirmation I 86

WEB Display HMI Display Description Measures

G24P

RCMU N PG22P

RCMU SD PG23P

GRID OV
10Min P

DC Injection ProtectionDC Injection PG21P

Residual Current
Monitoring Unit
Normal Protection

Residual Current
Monitoring Unit
Sudden Protection

Grid 10 Minute
Average Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Turn off system power when the leakage
current level is above standard level.
Check the leakage current level, then restart
or turn off to get back to the below standard
level.

Turn off system power when the leakage
current level is above standard level.
Check the leakage current level, then restart
or turn off to get back to the below standard
level.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

G25P

ANTI
ISLANDING P

GRID AD PG31P

Relay L1 PG32P

Relay L2 PG33P

Anti-Islanding
Protection

Grid V AD
Measurement
Protection

Relay L1 Abnormal
Operation Protection

Relay L2 Abnormal
Operation Protection

If the electric power system blacks out,
it automatically detects the state and
turns off the Q.HOME+ ESS HYB G2.
(shifting the frequency of the inverter away
from nominal conditions in the absence of
a reference frequency. (frequency shift))

The error of Master & slave AD value
is more than 2%. A/S is required.

Relay L1 is burned out.
A / S is required.

Relay L2 is burned out.
A / S is required.

87 I Problem Confirmation

WEB Display HMI Display Description Measures

Relay L3 PG34P

Relay L3 Abnormal
Operation Protection

Relay L4 PG35P

Relay L4 Abnormal
Operation Protection

Load OC PL01P

Load RMS Over
Current Protection

Relay L3 is burned out.
A / S is required.

Relay L4 is burned out.
A / S is required.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Load OCP PL02P

Load Over Current
Peak Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Load UV PL03P

Load RMS Under
Voltage Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Load OV PL04P

Load RMS Over
Voltage Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Load OVP PL05P

Load Over Voltage
Peak Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Problem Confirmation I 88

WEB Display HMI Display Description Measures

Load OF PL06P

Load UF PL07P

Load OW PL08P

Load Over Frequency
Protection

Load Under Frequency
Protection

Load Over Watt
Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

PV1 RC PS01P

PV1 OV PS04P

PV1 OVP PS05P

PV1 String Reverse
Connection Protection

PV1 RMS Over
Voltage Protection

PV1 Over Voltage
Peak Protection

Please check PV1 (+) and (-) wiring. If the
connection is successful, wait until the event
message disappears. When the event
message is removed, it automatically returns
to the normal state. If it is not removed until
the time limit is reached, it is converted to
a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

89 I Problem Confirmation

WEB Display HMI Display Description Measures

PV1 OC PS06P

PV1 RMS Over
Current Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

PV1 OCP PS07P

PV1 Over Current
Peak Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

PV1 OW PS08P

PV1 RMS Over Watt
Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

PV2 RC PS11P

PV2 String Reverse
Connection Protection

Please check PV2 (+) and (-) wiring. If the
connection is successful, wait until the event
message disappears. When the event
message is removed, it automatically returns
to the normal state. If it is not removed until
the time limit is reached, it is converted to
a significant event.

PV2 OV PS14P

PV2 RMS Over
Voltage Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

PV2 OVP PS15P

PV2 Over Voltage
Peak Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Problem Confirmation I 90

WEB Display HMI Display Description Measures

PV2 OC PS16P

PV2 OCP PS17P

PV2 OW PS18P

PV2 RMS Over
Current Protection

PV2 Over Current
Peak Protection

PV2 RMS Over Watt
Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

S23P

S24P

PVM OT PS21P

PVM UT PS22P

PV1
INSULATION P

PV2
INSULATION P

PV Module Over
Temp Protection

PV Module Under
Temp Protection

PV1 Insulation
Protection

PV2 Insulation
Protection

When the switch temperature is high.
Wait until the event message disappears.
After the event message is removed, it
automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

When the switch temperature is low.
Wait until the event message disappears.
After the event message is removed, it
automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Turn off system power if PV1 insulation
resistance is at the standard level.

Turn off system power if PV2 insulation
resistance is at the standard level.

91 I Problem Confirmation

WEB Display HMI Display Description Measures

S31P

DCLINK V
TZM P

DCLINK UV PS32P

DCLINK OV PS33P

DCLINK Voltage Trip
Zone Master Protection

DCLINK RMS Under
Voltage Protection

DCLINK RMS Over
Voltage Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

S34P

DCLINK OVP
P

[ Table 9-1 : INVERTER General Events Warning List ]

DCLINK Over Voltage
Peak Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Problem Confirmation I 92

9.1.2 Battery General Events (Protection)

Type : PROTECTION

WEB Display HMI Display Description Measures

B01P

B02P

B03P

BAT1 CHG
OC P

BAT1 DCHG
OC P

BAT1 CEL V
HOLD P

BAT1 Charge Over
Current Protection

BAT1 Discharge Over
Current Protection

BAT1 Cell Voltage
Sensing Data Hold
Protection

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

The product stops the generating process
because a significant protection event has
occurred. Wait until the event message
disappears. After the event message is
removed, it automatically returns to normal.
If it is not removed until the time limit is
reached, it is converted to a significant event.

Power reset of the system is required.
If the symptom still occurs after reset, repair
of BMS or PCS Control Board is necessary.

B04P

B05P

B06P

BAT1 CEL OV
P

BAT1 CEL UV
P

BAT1 CEL OT
P

BAT1 Cell or Rack
Over Voltage Protection

BAT1 Cell or Rack
Under Voltage
Protection

BAT1 Cell Over Temp
Protection

When the maximum cell or rack voltage is
above protection level, thus terminating the
system. Automatically returns to normal
when the maximum cell or rack voltage goes
below the limit value.

When the minimum cell or rack voltage is
below protection level, thus terminating the
system. Automatically returns to normal
when the minimum cell or rack voltage goes
above the limit value.

When the maximum cell temperature is
above protection level, thus terminating the
system. Automatically returns to normal
when the maximum cell temperature goes
below the limit value.

93 I Problem Confirmation