CPS DPA03-800V/US User manual

Installation and Operation Manual
for CPS DPA03-800V/US AC Combiner
CHINT POWER SYSTEMS AMERICA CO., LTD.
Rev 2.0 Nov. 30, 2021

Table of Contents
2 / 27 Doc. No.: 9.0020.0589B0
Table of Contents
0Preface.....................................................................................4
1Safety.......................................................................................5
Symbols and meanings in this document..........................................5
Markings and meanings on the device..............................................5
Safety precautions of operating the Combiner ..................................6
2General Introduction..............................................................7
Overview of Grid-tied PV system.......................................................7
Appearance and dimension...............................................................7
Features of AC Combiner..................................................................8
Nameplate.........................................................................................9
2.4.1 Model No. .................................................................................9
2.4.2 Serial No.................................................................................10
Storage requirements......................................................................11
3Mechanical Installation........................................................12
Unpacking for Inspection.................................................................12
Installation requirements .................................................................12
3.2.1 Environment requirements......................................................12
3.2.2 Foundation requirements........................................................13
3.2.3 Installation requirements.........................................................13
Installation procedures ....................................................................13
Open and close the door.................................................................16
3.4.1 Open the door.........................................................................16
3.4.2 Close the door.........................................................................17
4Electrical Connection ..........................................................18
Electrical schematic diagram...........................................................18
Internal wiring terminals and cable specification .............................19
Recommended tools and torque values..........................................19
Wiring..............................................................................................20
4.4.1 Cable connection....................................................................20
4.4.2 Create conduit entry holes......................................................21
5Operation and Maintenance................................................22
Start up and shut down ...................................................................22
5.1.1 Start up ...................................................................................22
5.1.2 Shut down...............................................................................22
Maintenance....................................................................................23

Table of Contents
Doc. No.: 9.0020.0589B0 3 / 27
5.2.1 Regular inspection...................................................................23
5.2.2 Fuse replacement....................................................................23
6Technical Data ......................................................................24
7Quality Assurance................................................................25
Warranty period ...............................................................................25
Exemption of liability........................................................................25
Warranty clause...............................................................................25
8Contact Information.............................................................26
9Appendix...............................................................................27
Appendix A: Figure list.....................................................................27
Appendix B: Table list ......................................................................27

Preface
4 / 27 Doc. No.: 9.0020.0589B0
0 Preface
Thank you for choosing CPS DPA03-800V/US Series AC Combiner
(hereinafter referred to as "Combiner") developed by CHINT POWER
SYSTEMS AMERICA CO., LTD (hereinafter referred to as "CPS").
This Combiner is one highly reliable device, which is widely applicable in AC
combining of various PV systems.
IMPORTANT!
Please read this manual carefully and make sure that you have
understood all the contents thoroughly before you start any
operation.
Main Contents
Safety precautions, device overview, installation, operation and maintenance,
technical data as well as quality assurance are mainly introduced in this manual.
Target Reader
This manual is applicable to the work staff of wiring, installation, maintenance
and daily management of the Combiner.
Manual Management
Please store this manual together with related documents of other device
components, and make sure keep it at hand for quick reference and easy use.
Copyrights
CPS reserves all rights in this manual. Any reproduction, disclosure or copy in
whole or in part is forbidden without prior written authorization. CPS doesn’t
accept any responsibilities whatsoever for potential errors or possible lack of
information in this document.
Version
This manual is subject to technical change or contents modification without
prior notice. The actually purchased device shall prevail. Users can get the
latest manual from our sales channel or our official website:
www.chintpower.com.

Safety
Doc. No.: 9.0020.0589B0 5 / 27
1 Safety
Please read this user manual carefully before the installation and operation of this
Combiner. CPS reserves the right to refuse warranty claims for equipment
damages if users fail to install the equipment according to the instructions in this
manual.
Symbols and meanings in this document
Markings and meanings on the device
Symbol
Meanings
HIGH VOLTAGE!
Danger to life due to high voltage!
All work on the device must only be performed by qualified
personal as described in this document.
HOT!
The equipment is designed according to international safety
standards, but surfaces can become hot during operation. DO
NOT touch the peripheral surfaces during or shortly after
operation.
EARTH GROUND!
This symbol marks the location of grounding terminal, which must
be securely connected to the earth through the PE (protective
earth) cable to ensure operational safety.
Symbol
Meanings
DANGER!
DANGER indicates a hazardous situation with highlevel of risk which,
if not avoided, will result in death or serious injury.
WARNING!
WARNING indicates a hazardous situation with medium level of risk
which, if not avoided, could result in death or serious injury.
CAUTION!
CAUTION indicates a hazardous situation with low level of risk which,
if not avoided, could result in minor or moderate injury.
NOTICE!
NOTICE indicates a hazardous situation which, if not avoided, could
result in equipment working abnormally or property loss.
IMPORTANT!
IMPORTANT indicates important supplementary information or
provides skills or tips that can be used to help you solve a problem or
save you time.