Delta RPI M30A Specification sheet

RPI M30A/M50A
Operation and Installation Manual
Grid-tie Transfomerless Solar Inverter
The power behind competitiveness
www.deltaww.com
English 1
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1. General Information
1.1. About this Manual
1.2. Product Description
1.3. Additional Information
2. Product Overview
2.1. Unpack the Inverter
2.2. Checking Unit and Accessories
2.3. Product Label
2.4. Exterior Objects
3. Installation
4. Wiring
4.1 Preparation Before Wiring (Models with Fuses)
4.2. Preparation Before Wiring (Models without Fuse)
4.3. AC Grid Connection: 3-Phase+PE or 3-Phase+N+PE
4.3.1. Required Protective Devices and Cable Cross-sections
4.4. DC Connection from PV Array
4.5. Communication Module Connections
4.5.1. RS-485 Connection
4.5.2. EPO Functions & Digital Input
4.5.3. Dry Contact Connection
5. Turn On PV Inverter
5.1. LCD Flow Chart
5.2. First startup
5.2.1. Home Page
5.2.2. Power Meter
5.2.3. Energy Log
5.2.4. Event Log
5.2.5. Inverter Information
5.2.6. General Settings
5.2.7. Install Settings
5.2.7.1. Inverter ID
5.2.7.2. Insulation
5.2.7.3. Country
5.2.7.4. Grid Settings
5.2.7.5. Dry Contact
5.2.7.6. EPO
5.2.7.7. AC connection
5.2.7.8. Max. Power
5.2.8. Active/Reactive power
5.2.8.1. Power Limit
5.2.8.2. Power vs. Frequency
5.2.8.3. P(V)
5.2.8.4. Constant cosphi
5.2.8.5. Cosphi (P)
5.2.8.6. Constant Q
5.2.8.7. Q(V)
5.2.9. FRT (Fault ride through)
6.Maintenance
6.1. Replace Surge Protection Device (SPD)
6.2. Replace Internal String Fuse
6.3. Clean Fan
6.4. Replace Fan
6.5. Clean Air Inlets
7.Error message and Trouble Shooting
8.De-Commissioning
9.Technical Data
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Contents
03

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 high temperatures and the device surface can
become hot. Sufficient cooling time is necessary for optimal yield.
04

1.General Information
1.1. About this Manual
This manual is to provide the explanation and procedures for installing,
operating, maintaining, and troubleshooting of RPI M30A/ RPI M50A solar
inverters.
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 the 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
3PH AC Distribution
box
Surge arrestor
AC breaker
3 phase, N, PE
05
General Information

Figure 2-1 Unpack the inverter
The unpacking procedure of RPI M30A/ M50A is shown as Figure 2-1.
2.Product Overview
2.1 Unpack the Inverter
2.2 Checking Unit and Accessories
Unforeseeable events causing damage or movement may occur during
shipment. Please check following items upon receiving your inverter.
• Check the damage on the packaging.
• Check if all the accessories are in the package.
The standard accessories are shown in following tables and figures:
For RPI M30A, Please refer to Figure 2-2 and Table 2-1.
For RPI M50A, Please refer to Figure 2-3 and Table 2-2.
• Check the model number and the serial number on the packaging is identical
with the model number and serial number on the unit itself.
If there is any visible damage to the inverter/accesories or any damage to
the packaging, please contact your inverter supplier.
06
Product Overview

Figure 2-2 Packing list of M30A
RPI M30A
Object Qty Description
1 PV Inverter 1 pcs
1 pcs
1 pcs
1 pcs
RPI series solar inverter
2 User Manual
The Instruction to provide the information of safety,
Installation, specification, etc.
3 AC Plug
Mounting Bracket
Connector for AC connection
Wall mounting bracket to mount the solar inverter
on the wall.
4
5
DC Plug 6 sets Connector for DC connection
Table 2-1 Packing list of M30A
※These products does not provide grounding fuse. Users can choose 1000V/
1A Midget size grounding fuse if needed.
①
②
⑤
④
③
07
Product Overview

Figure 2-3 Packing list of M50A
RPI M50A
Object Qty Description
1 PV Inverter 1 pcs
1 pcs
1 pcs
1 pcs
RPI series solar inverter
6 Holder 1 pcs Holder for Grounding Fuse
7 Bus-bar 2 pcs Bus-bar for DC+ or DC- Parallel Connection.
2 User Manual
The Instruction to provide the information of safety,
Installation, specification, etc.
3 AC Plug
Mounting Bracket
Connector for AC connection
Wall mounting bracket to mount the solar inverter
on the wall.
4
5
DC Plug 10 sets Connector for DC connection
Table 2-2 Packing list of M50A
※These products does not provide grounding fuse. Users can choose 1000V/
1A Midget size grounding fuse if needed.
①
②
⑤⑥ ⑦
④③
08
Product Overview

2.3 Product Label
RPI M50A RPI M30A
Please refer to Figure 2-4 for the location of product label. You can identify
the model number and the specifications by the information on the label.
RPI M30A and M50A series have 3 models. The differences between them
are having surge protection devices (SPD) and internal strings fuse or not.
For more detail information, please see the table 2-3.
Figure 2-4 Product label
Model Name Part Number
RPI303FA0E1100
RPI503FA0E0000
RPI503FA0E0200
SPD
X
V
X
Internal Fuse
X
V
V
RPI M30A_121
RPI M50A_120
RPI M50A_122
Table 2-3 Model name
09
Product Overview

2.4 Exterior Objects
Display
Air inlet
Label
RPI M50A
Display
Air inlet
Label
RPI M30A
Input / Output
Interfaces
Input / Output
Interfaces
The Inverter’s exterior objects are shown in Figure 2-5. The detailed input/
output interfaces illustration is shown in Figure 2-6. Different models have
different number of DC input strings.
Figure 2-5 Inverter’s exterior objects
10
Product Overview