Delta Electronics RPI-H3, RPI-H5 Owner's Manual
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Contents
1. General Information ................................................................ 1
1.1 About this Manual ...............................................................................1
1.2 Safety Symbol & Instruction................................................................1
1.3 Validity ................................................................................................1
1.4 Product Description ............................................................................2
1.5 How It Works ......................................................................................2
1.6 Additional Information .........................................................................3
2. Installation and Wiring ............................................................ 4
2.1 Instruction before Installation .............................................................. 4
2.2 Unpacking........................................................................................... 4
2.3 Package Inspection ............................................................................5
2.4 Identification Label..............................................................................6
3. Product Overview.................................................................... 7
3.1 Dimension........................................................................................... 7
3.2 Function Introduction ..........................................................................8
3.2.1 LCD Display and Buttons.................................................................8
3.2.2 Inverter Input/Output Interface .........................................................9
4. Installation ............................................................................. 10
4.1 Installing Location .............................................................................10
4.2 Mounting...........................................................................................10
5. Wiring..................................................................................... 15
5.1 Preparation before Wiring................................................................. 15
5.2 AC Grid Connection: L + N + PE.......................................................16
5.2.1 Required Protective Devices and Calbe Cross Sections ...............16
5.3 DC Connection (from PV Array)........................................................17
5.4 Communication Module ....................................................................18
5.4.1 RS-485 Connection .......................................................................19
6. Active/Reactive Power Control and Low Voltage Ride
Through (option) ....................................................................... 20
6.1 Active Power Control ........................................................................20
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6.1.1 Power Limit ....................................................................................20
6.1.2 Power vs. Frequency .....................................................................20
6.2 Reactive Power Control ....................................................................21
6.2.1 Fixed power Factor cosφ(VDE-AR-N 4105,CEI 0-21)....................22
6.2.2 cosφ(P) (VDE-AR-N 4105,CEI 0-21) .............................................22
6.2.3 Fixed Reactive Power In Var(CEI 0-21) ......................................... 22
6.2.4 Reactive Power / Voltage Characteristic Q(U)(CEI 0-21)...............23
6.3 Low Voltage Ride Through (LVRT) ................................................... 24
7. Turn on/off PV inverter.......................................................... 25
7.1 Start-up Procedures..........................................................................25
7.1.1 PV array DC Votlage Checking......................................................25
7.1.2 AC Utility Voltage Checking ...........................................................25
7.1.3 Starting up the Inverter...................................................................25
7.2 Inverter Setting .................................................................................26
7.2.1 Country Setting ..............................................................................26
7.2.2 AC configuration Setting ................................................................26
7.2.3 Connecting the Communication Wiring..........................................29
7.2.4 Inverter ID Setting.......................................................................... 29
7.3 LCD Flowchart ..................................................................................29
7.3.1 Event list ........................................................................................31
7.3.2 Country Selection ..........................................................................31
7.3.3 Language Selection .......................................................................33
7.3.4 Insulation Mode .............................................................................34
7.3.5 Settings..........................................................................................34
7.3.6 Italy Self-test ..................................................................................35
8. Maintenance .......................................................................... 36
9. Measurement, Error message and Trouble Shooting......... 37
9.1 Measurement.................................................................................... 37
9.2 Error Message & Trouble Shooting...................................................38
10. De-Commissioning.............................................................. 44
11. Technical Data ..................................................................... 45
11.1 Specifications .................................................................................. 45
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Appendix A : Multi-function Relay ........................................... 47
A.1 Multi-function relay output connection ..............................................47
Appendix B : Digital Input......................................................... 48
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Figure Index
Figure 1-1 Solar inverter system operation illustration.....................................2
Figure 2-1 Unpacking process .........................................................................4
Figure 2-2 The identification label.................................................................... 6
Figure 3-1 Dimension of RPI-H3...................................................................... 7
Figure 3-2 Dimension of RPI-H5...7
Figure 3-3 Inverter exterior objects ..................................................................8
Figure 3-4 LCD display and control panel........................................................8
Figure 3-5 Input/Output interface .....................................................................9
Figure 4-1 Screw the mounting bracket for RPI-H3 ....................................... 11
Figure 4-2 Screw the mounting bracket for RPI-H5 .......................................12
Figure 4-3 Correct and incorrect installation illustration .................................13
Figure 4-4 Proper installation gap.................................................................. 14
Figure 5-1 Connection of system ...................................................................15
Figure 5-2 AC configurations .........................................................................16
Figure 5-3 AC plug illustration........................................................................17
Figure 5-4 DC Wiring illustration ....................................................................18
Figure 5-5 Communication module................................................................ 18
Figure 5-6 Multi-inverter connection illustration .............................................19
Figure 6-1 Power vs. frequency characteristic ...............................................21
Figure 6-2 cosφ(P) characteristic...................................................................23
Figure 6-3 Q(U) characteristic........................................................................23
Figure 6-4 LVRT characteristic.......................................................................24
Figure 7-1 Country setting .............................................................................26
Figure 7-2 AC confguration setting-1 .............................................................27
Figure 7-3 AC confguration setting-2 .............................................................28
Figure 7-4 Inverter ID setting .........................................................................29
Figure 7-5 LCD flowchart ...............................................................................30
Figure 7-6 Event log flowchart .......................................................................31
Figure 7-7 Conutry selection..........................................................................32
Figure 7-8 Language selection ......................................................................33
Figure 7-9 Insulation Mode ............................................................................34
Figure 7-10 Setting page ............................................................................... 34
Figure 7-11 Italy self-test flowchart ................................................................35
Figure A-1 Multi-function relay on dry contact................................................47
Figure A-2 Dry contac location.......................................................................48
Figure B-1 Pin assignment at ripple control receiver......................................49
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Table Index
Table 2-1 Packing list....................................................................................... 5
Table 5-1 AC wire requirement.......................................................................16
Table 5-2 Definition of RS-485.......................................................................19
Table 5-3 RS-485 data format........................................................................19
Table 7-1 Country list .....................................................................................32
Table 7-2 Language list..................................................................................33
Table 9-1 Measurement and message...........................................................37
Table 9-2 Error message................................................................................38
Table 11-1 Specifications ...............................................................................45
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1. General Information
1.1 About this Manual
This manual provides the detailed information of specification, installation
procedures and all related function settings about the solar inverter model-
RPI-H3/RPI-H5. Installation technicians must be well-trained and qualified for
installing solar system and must follow all the safety instructions and
installation procedures.
1.2 Safety Symbol & Instruction
CAUTION！！！！
Machine and equipment damage may occur if not avoid the
hazardous situation
WARNING！！！！
Death and serious injuries may occur if not avoid the
hazardous situation
DANGER！！！！
Death and serious injuries will occur if not avid the hazardous
situation
WARNING：：：：BURN HAZARD
The enclosure temperature may exceed over 70° C while
operating. Danger may occur owing to hot surface. Please do
not touch!!
1.3 Validity
This user manual describes the installation procedures, maintenance,
technical data and safety instruction of the following solar inverter models
under DELTA brand.
◆ RPI-H3
◆ RPI-H5
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1.4 Product Description
This device is a single phase grid-tie solar inverter. It converts direct current
(DC) electricity from photovoltaic power collected from PV Array into single
phase alternating current (AC) to feed the excess capacity back to the local
main electrical grid.
This inverter allows wide voltage input range (125~550VDC for RPI-H3 and
200~1000VDC for RPI-H5) and high performance efficiency based on user’s
friendly operation design. In addition, special DSP(Digital Signal
Processor)design decreases the circuit complication and electronic
components. Please note that this device does not support off-grid function.
The features for RPI-H3/RPI-H5 are shown below.
Features
Power Rating：3 kVA(RPI-H3), 5 kVA(RPI-H5)
Single Phase (L + N + PE), Grid-tie, Transformerless solar inverter
Maximum efficiency：> 97.0%(RPI-H3), > 97.5 %( RPI-H5)
Europe efficiency: 96.2(RPI-H3), 97.0%(RPI-H5)
Reactive power capability (Cap 0.8 – Ind 0.8)
Total harmonic distortion (THD < 3%) @ full load
1 MPP Trackers
16×2 LCD display
1.5 How it Works
The operation of solar inverter is shown as the Figure 1-1. In order to save
energy and electricity, solar inverter convert the DC input power supplied from
the PV Array into single-phase AC output power to Grid.
Figure 1-1 Solar inverter system operation illustration
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1.6 Additional Information
For more detailed information for RPI-H3/RPI-H5 or other related product
information, please visit http://www.deltaww.com .
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2. Installation and Wiring
2.1 Instruction before Installation
Due to variety of users’ installation environment, reading this manual
thoroughly before installation is strongly recommended. All the installation and
start-up procedures must be undertaken by professional and well-trained
technician.
2.2 Unpacking
Unpacking process is shown as Figure 2-1.
a. b. c. d.
Figure 2-1 Unpacking process
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2.3 Package Inspection
Unknown situations may occur during shipments. Please check if there is any
damage on the wooden carton. After opening the package, please check both
outer case and inner part of this inverter as below.
Check the right side of the case to ensure the model number and the
specification is the same as the model you purchased previously.
1. Check the inverter model number and the specifications are the same as
the model you purchased previously.
2. Check if the is any loose component.
3. Check if all the accessories are in the package, the standard accessories
are list as Table 2-1:
Table 2-1 Packing list
RPI-H3/RPI-H5
Object Qty
Description
PV Inverter 1 3kVA(RPI-H3), 5kVA(RPI-H5) solar inverter
User Manual 1
The Instruction to provide
the information of safety,
Installation, specification, etc.
AC Plug 1 Connector for AC connection
Wall-Mounting
Bracket
1
Wall-
mount bracket to mount the solar inverter
securely on the wall
M5 Nut 2 To fix solar inverter on the bracket
Spring Washer
2 To fix solar inverter on the bracket
Plain Washer 2 To fix solar inverter on the bracket
Caution: When there is any outer or inner damage on inverter or any
incompleteness or damages on the packaged accessories, please
contact your inverter supplier.
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2.4 Identification Label
Users can identify the model number by the information on the product label.
The model number, specifications as well as the series No. is specified on the
product label. Regard to the label location, please refer to Figure 2-2.
Figure 2-2 The identification label
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3. Product Overview
3.1 Dimension
Figure 3-1 Dimension of RPI-H3
Figure 3-2 Dimension of RPI-H5
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3.2 Function Introduction
Inverter’s exterior objects are shown on the Figure 3-3, and the detailed
description is in sections 3.2.1 and 3.2.2.
Figure 3-3 Inverter exterior objects
3.2.1 LCD Display and Buttons
Figure 3-4 LCD display and buttons
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3.2.2 Inverter Input/Output Interface
Figure 3-5 Input/Output interface
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4. Installation
4.1 Installation Location
WARNING！！！！ Death and serious injuries may occur.
●
Do not install the unit near/on the flammable objects.
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Please mount the unit tightly on the solid/smooth wall.
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In order to ensure the safety of installers, installer shall be at
least two people to process the installation.
●
When moving the Inverter, installer shall not stand under
machines.
CAUTION！！！！ Machine and equipment damage may occur
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Do not install the unit at the location that directly expose to
sunlight.
4.2 Mounting
This unit is a wall-mounting system. Please ensure the installation is
perpendicular and with AC plug at the bottom. Do not install the device on a
slanting wall. The dimensions of mounting bracket are shown as figure below.
There are 7 pcs(RPI-H3)/12pcs(RPI-H5) of M5 screws required for mounting
plate. Fix the supplied wall-mount plate securely on the wall before mounting
the inverter to the mounting plate.
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Figure 4-1 Screw the mounting bracket for RPI-H3
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