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SETUP
Installation
Power Inverter
This setup manual contains a short instruction required
for installing, wiring, commissioning and operating the
inverters. For further instructions on installing or
operating, please refer to the detailed user manual which
you can access via www.rct-power.com.
RCT Power GmbH reserves the right to make changes
to specifications or documents without prior notice.
RCT Power GmbH shall not be responsible for any
damages resulting from use of this document.
This document does not replace any applicable laws,
regulations, standards or codes.
Warranty conditions come enclosed with the device.
No warranties can be derived from this document.

Intended Product Usage

To prevent personal injury or property
damage, the inverter must only be installed,
wired, connected, commissioned, maintained
and serviced by qualified personnel:
Trained in installing electrical devices.
Familiar with all applicable laws, regulations,
standards and codes for electrical devices.
Familiar with safety requirements and safety-related
guidelines for electrical devices.
Familiar with work protection laws and regulations.
Using the appropriate personal protective equipment.
4.0 / 5.0 / 6.0
Symbols
Explanation
Immediate
danger of death
or serious injury
Immediate
danger of minor
or moderate
injury
Danger of
equipment or
property damage
Power Inverter 4.0, 5.0 and 6.0 are stationary 3-phase
string inverters. They convert direct current (DC) supplied
by the PV array into alternating current (AC), which can be
fed into the electricity grid.
They are not designed for any other application or
connection to other devices.
Any use that differs from or goes beyond the intended
usage is considered misuse. RCT Power GmbH shall not
be liable for any damage resulting from misuse.
Any misuse will terminate warranty, guarantee and general
liability of the manufacturer.
1
Level of risk
high
medium
low
EN

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Summary of Contents for RCT Power 4.0

  • Page 1 No warranties can be derived from this document. property damage Intended Product Usage Power Inverter 4.0, 5.0 and 6.0 are stationary 3-phase To prevent personal injury or property string inverters. They convert direct current (DC) supplied damage, the inverter must only be installed,...
  • Page 2 In 6 Steps to the installed system Assembly and mounting. (Section 2, p.3). Electrical connection of the devices. (PV and grid section 3, p.4-5 / Communication section 4, p.6 and section 5, p.7). Switch on Inverter (switch on fuses). (Section 6.1, p.8). Access to the inverter via APP.
  • Page 3 [1] Scope of Delivery Item Description Setup manual PV input connectors ( Weidmüller PV-Stick ) Wall bracket for mounting inverter Inverter LCD display for information on inverter operation DC switch for emergency shutdown of inverter DC plugs Cable entries for communication ports Cable entry for AC cable Screw hole for additional protective grounding Name plate with technical data, serial number,...
  • Page 4 [3] Electrical Connection Risk of death or injury due to electric shock! Risk of death or injury due to While the inverter is connected to grid (AC electric arc! voltage source) or to PV array which is exposed Disconnecting DC plugs under load to sunlight (DC voltage source) high voltage is can cause electric arcs.
  • Page 5 [3.3] DC Connection Step Description Do not turn plug parts before inserting the cable. Select correct plugs for polarity of PV strings. Push cable into plugs straight until the spring clamp locks. Turn lower part of plug shut. Make sure DC switch is “0”. Plug corresponding plus and minus poles into adjacent plugs of inverter (Fig.
  • Page 6 [4] I/O-Board Communication Connection Communication Ports Item Description X102: serial RS485 interface. X100: Multifunctional Relay, max. 24 V, 1A. X101, Power management: 4 digital inputs for potential free relay contacts. X103: Digital in/out (S0 signals) max. Input 24 V, max. output 5 V, 10 mA. Fig.3 [4.1] Connection of Communication Ports Step...
  • Page 7 For this, a corresponding network cable (at least Cat5e) must be connected to the Power Inverter and the corresponding terminal (preferably a router). The configuration of this connection is made via the menu item „network settings“ in the RCT Power App and is explained in the manual.
  • Page 8 The DC-connectors on the solar generator side must not be disconnected under load. First turn the DC load break switch to position 0. Further configuration inter alia for the networking of RCT Power devices via LAN / WLAN can be found in the manual on our website www.rct-power.com.
  • Page 9 Wi-Fi due to the suitable Android APP. The Android APP is the central user interface for commissioning. It ensures easy data collection and troubleshooting. Go to Google Play Store, search for “RCT Power App”, and install. Obtaining Android App: Step...
  • Page 10 [6.3] Configure Inverter Press “ ”. Enter setup procedure by „Login“ (password: „installer“). Choose „Land and Norm“, select appropriate norm and „apply“. Wait during parameters are synchronizing and stored. When finished type „Finish“. Now setup procedure is completed. After the inverter has checked the specifications it starts feed in into the grid.
  • Page 11 Required phases, grid connections 3 (L1, L2, L3, N, PE) Number of feed-in phases Grid voltage monitoring 3-phase Type of AC connection Spring clamps PERFORMANCE Stand-by consumption < 4.0 W Night-time consumption < 1 W Maximum efficiency 98,16% European efficiency 97,8% Topology Transformerless...
  • Page 12 Working point adjustment Certificates CE, VDE-AR-N 4105:2011-08, EN 50438 further certificates: www.rct-power.com EN61000-6-2, EN61000-6-3, EN61000-3-2, EN61000-3-3 Safety EN/IEC62109-1, EN/IEC62109-2 BLOCK DIAGRAM RCT Power GmbH Line Eid Str. 1 78467 Konstanz, Deutschland Tel.: +49 (0)7531 996 77-0 Mail: info[at]rct-power.com Internet: www.rct-power.com 01/2019...

This manual is also suitable for:

5.06.0

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