Delta RPI M6A Specification sheet

RPI M6A/M8A/M10A

Operation and Installation Manual

Grid-tie Transformerless Solar Inverter

The power behind competitiveness

www.deltaww.com

1. General Information

1.1. About this Manual

1.2. Product Description

1.3. Additional Information

2. Product Overview

2.1. Checking Unit and Accessories

2.2. Product Label

2.3. Exterior Objects

3. Installation

3.1. Unpack the Inverter

3.2. Mount the Inverter

4. Wiring

4.1 Preparation before Wiring

4.2. AC Grid Connection: 3-Phase+PE or 3-Phase+N+PE

4.2.1. Required Protective Devices and Cable Cross-sections

4.3. DC Connection (from PV Array)

4.4. Multiple Inverter Combinations

4.4.1. Three-Phase Parallel Combination System

4.4.2. Communication Module Connections

4.4.3. RS-485 Connection

4.4.4. Digital Input & EPO Function & DRMs

4.4.5. Dry Contact Connection

4.4.6. DC Output Connection

5. Turn on/off PV inverter

5.1. First startup

5.2. Home Page

5.3. LCD Flow Chart

5.3.1. Power Meter

5.3.2. Energy Log

5.3.3. Event Log

5.3.4. Inverter Information

5.3.5. General Settings

5.3.6. Install Settings

5.3.6.1. Inverter ID

5.3.6.2. Insulation

5.3.6.3. Country

5.3.6.4. Grid Settings

5.3.6.5. Dry Contact

5.3.6.6. EPO

5.3.6.7. AC connection

5.3.6.8. Max Power

5.3.7. Active/Reactive power

5.3.7.1. Power Limit

5.3.7.2. Power vs. Frequency

5.3.7.3. P(V)

5.3.7.4. Constant cosphi

5.3.7.5. Cosphi (P)

5.3.7.6. Constant Q

5.3.7.7. Q(V)

5.3.8. FRT (Fault ride through)

6.Maintenance

7.Error message and Trouble Shooting

8.De-Commissioning

9.Technical Data

Contents

Safety Instructions

This manual uses the following instructions for conveying important safety related information.

CAUTION !

Machine and equipment damage may occur if this hazardous situation is not

avoided.

WARNING !

Death and serious injury may occur if this hazardous situation is not

avoided.

Repair work on the device should ONLY be carried out by the manufacturer.

No user serviceable parts inside.

In Australia, installation and maintenance work shall be conducted by qualified

electrician and shall comply with Australian Regulations.

DANGER !

To avoid risk of electrical shock, do not open the solar inverter. Death and

serious injury will occur if this hazardous situation is not avoided.

WARNING ! BURN HAZARD

The unit may reach very high temperatures and the device surface can

become hot. Sufficient cooling is necessary for optimal yield.

1.General Information

1.1. About this Manual

This manual is to provide the explanation and procedures for installing,

operating, maintaining, and troubleshooting the below solar inverters:

RPI M6A/ RPI M8A/ RPI M10A

1.2. Product Description

This device is a 3-phase grid-tied solar inverter which does not support off-

grid functionality.

The operation of solar inverter is shown as Figure 1-1.Inverters convert the

DC input power supplied from the PV Array into 3-phase AC output power to

Grid.

Figure 1-1 Solar system operation illustration

1.3. Additional Information

For more detailed or other related product information, please visit

http://www.deltaww.com

PV Array Electrical GridSolar Inverter

Install if

necessary

DC Distribution

box

AC Distribution

box

Surge arrestor

Fuse

DC switch

Surge arrestor

AC breaker

3 phase,

N, PE

General Information

2.1 Checking Unit and Accessories

Unpredictable damages may occur during shipment. Check if all the

accessories are in the package, the standard accessories are list as

Table 2-1. If there is any visible damage to the inverter/accesories or any

damage to the packaging, please contact your inverter supplier.

2.Product Overview

Figure 2-1 Packing list

For RPI M10A

For RPI M6A

For RPI M8A

RPI M6A/ RPI M8A/ RPI M10A

Object Qty Description

1 PV Inverter 1

RPI M6A/ RPI M8A/ RPI M10A solar inverter.

6 Screw 2 To fix solar inverter on the wall.

7 Washer 1 Use for external grounding.

8 12VDC Output Connector 1 For CNC406 using only,

DC output 12V / 0.5A max.

a. User Manual

b. Quick Installation Guide

(EU/AU/ EN/ DE/ FR/ NL)

c. General Safety Instruction

The Instruction to provide the information of

safety,Installation, specification, etc.

3 AC Plug

Mounting Bracket

Connector for AC connection.

To mount solar inverters on the wall.

DC Plug 2 / 3

sets

Connector for DC connection.

2 sets for M6A / M8A

3 sets for M10A

Table 2-1 Packing list

①

②

⑤

⑧

⑥⑦

④

③

Product Overview

2.2. Product Label

Users can identify the model number and the specifications by the information

on the product label. The location for the label please see Figure 2-2.

RPI M6A/ M8A/ M10A

Figure 2-2 Product label

Product Overview

2.3. Exterior Objects

The Inverter’s exterior objects are shown in Figure 2-3. The detailed input/

output interfaces illustration is shown in Figure 2-4.

LCD/LED Display

and Buttons

Communication Connection 1

AC Connectors

Manual Switch

DC Connectors

Label

RPI M6A/ M8A/ M10A

Communication Connections 2

Grounding Point

AC Connector

400Vac, 3Ph

Manual Switch

Communication 1

-RS-485 *2

-Ethernet (optional)

-Wi-Fi (optional)

Communication 2

-EPO *1

-Dry Contact *1

-Digital Input

-DRMs *5

*4 RPI M10A

RPI M6A/ M8A

Grounding

DRM

Mark

Figure 2-3 Inverter’s exterior objects

Figure 2-4 Input/output panels

Product Overview

CAUTION !

The unit should not be installed in direct sunlight.

WARNING !

• Do not install the unit near or on flammable surfaces.

• Please mount the unit tightly on a solid/smooth surface.

3.Installation

3.1. Unpack the Inverter

Figure 3-1 Unpacking the inverter

Installation

3.2. Mount the Inverter

This unit is designed to be wall-mounted. Please ensure the installation is

perpendicular to the floor and the AC plug at the bottom. Do not install the

device on a slanting wall.

To mount the inverter on the wall, please follow the procedure below:

1.Screw the mounting bracket on the wall with 8 M6 Phillips head screws.

Please refert to figure 3-4.

2.Attach the inverter to the mounting bracket.

3.Use Hex Wrench fixing the inverter with 2 M4 Hexagon Socket screws.

Please refer to figure 3-5.

Figure 3-2 Correct and incorrect installation

Installation

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