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RPI M50A
Delta RPI M50A Installation And Operation Manual
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1 Maintenance
Installation and Operation Manual for Inverter RPI M50A_12s V1 EU EN 2017-03-09
144
1
1.4
Cleaning the air inlets
∫
The screws on the filter housing are very small
and can easily fall down. Y
ou should therefore
use a magnetic screwdriver
.
1.
Unscrew and remove the air inlet covers.
143
145
Table of Contents
Default Chapter
4
Table of Contents
4
1 About this Manual
7
Purpose of this Manual
7
Target Audience of this Manual
7
Warning Notices and Warning Symbols
7
Writing and Labeling Conventions
8
2 Basic Safety Instructions
9
3 Intended Purpose
10
4 Product Overview
11
Scope of Delivery
11
Overview of Components and Connections
12
Display, Buttons, Status Leds
13
String Fuses
14
Surge Protection Devices
15
Air Inlets, Air Outlets and Fans
15
Electrical Connections
16
Overview
16
Grounding Connection
17
AC/DC Disconnector
17
AC Connection (AC OUTPUT)
18
DC Connection (DC INPUT)
18
Communication Port 1
19
Communication Port 2
19
Information on the Type Plate
20
5 Planning Installation
21
Installation Location
21
Outdoor Installations
22
Installation Clearances and Air Circulation
23
Characteristic Curves
25
Dimensions
29
AC Connection (Grid)
30
Important Safety Instructions
30
Residual Current Circuit Breaker
30
Integrated Residual Current Monitoring Unit
30
Integrated String Fuses and Surge Protection Devices
30
Cable Requirements
30
Grounding the Inverter
30
Permissible Grounding Systems
31
Requirements for the Grid Voltage
31
DC Connection (Solar Modules)
31
Symmetric And Asymmetric Configuration Of The DC Inputs
32
Separately Connected and Parallel-Connected DC Inputs
33
Parallel-Connected DC Inputs
34
Connecting Solar Modules that Are Not Grounded
35
Connecting Grounded Solar Modules
36
Connecting the DC Strings to the DC Inputs
37
Cable Requirements
38
Connecting a Data Logger
39
Connecting an External Alarm Unit
39
Connecting a Ripple Control Receiver
40
External Power-Off
40
Using External Grid and System Protection
41
Connecting a PC
41
Tools and Materials Required
42
For Mounting the Inverter
42
For Connecting to the Grid (AC)
42
For Connecting to the Solar Modules (DC)
43
For Grounding the Inverter Housing
43
For Wiring the RS485 Connections, the Digital Inputs and the Dry Contacts
43
For Connecting a PC
44
Other Parts
44
6 Installation
45
Safety Instructions
45
Sequence of Installation Steps
45
Mounting the Inverter
46
Grounding the Inverter Housing
49
Connecting the Communication Card
50
Components of the Communication Card
50
Initial Steps
51
Connecting a Data Logger Via RS485
53
Wiring for a Single Inverter
55
Wiring for Multiple Inverters
56
Connecting an External Alarm Unit
59
Wiring for an External Alarm Unit with an External
59
Power Supply
59
Wiring for a Single Alarm Unit with an Internal
60
Power Supply
60
Wiring for Two Alarm Units with an Internal
61
Power Supply
61
Connecting Digital Inputs and External Power-Off (EPO)
62
Final Work
64
Connecting to the Grid (AC)
65
Connecting Solar Modules (DC)
70
Attaching Warning Labels to the Inverter
72
Connecting a PC Via RS485
72
7 Commissioning
73
8 Settings
75
Overview
75
Inverter Info." Menu Area (Current Settings)
76
Settings
76
General Settings" Menu Area
78
Language
78
Date and Time
79
Baud Rate
80
Protocol
81
Test Menu
82
Installation Settings" Menu Area
83
Inverter ID
83
Insulation
84
Country
86
Grid Settings
87
Overview
87
Voltage Protection
88
Frequency Protection
91
Reconnection Time
93
P Ramp up
95
DC Injection
96
Dry Contacts
98
RCMU (Integrated Residual Current Monitoring Unit)
100
EPO (External Power-Off )
101
AC Connection
102
Anti-Islanding
103
Max. Power (Maximum Active Power)
104
Loading the Factory Settings
105
Active/Reactive Power" Menu Area
106
Power Limit
106
Regulating the Active Power Via the Grid Frequency
108
P (V) (Regulating the Active Power Via the Grid Voltage)
111
Constant Cos Phi (Cos Φ)
113
Cos Phi (P) (Regulate Cos Phi Via Active Power)
115
Constant Q (Constant Reactive Power)
117
Q (V) - Regulating Reactive Power Via Voltage
119
FRT (Fault Ride Through)
122
9 Measurements and Statistics
124
Measurements
124
Energy Log
125
Event Log
126
Error Events
126
Grid Report
127
10 Error Events and Troubleshooting
129
Error
130
Warnings
131
Faults
132
11 Maintenance
134
Periodic Maintenance
135
Checking the Fans
136
Replacing/Cleaning the Fans
138
Cleaning the Air Inlets
144
Replacing the Surge Protection Devices
146
Replacing String Fuses
152
12 Decommissioning
156
13 Technical Data
164
General Specifications
165
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Operation And Installation Manual
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Delta RPI M50A Specifications
General
Brand
Delta
Model
RPI M50A
Category
Inverter
Language
English
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