V-TAC VT-6607136 User manual

INSTRUCTION MANUAL
HYBRID SOLAR INVERTER
INTRODUCTION
Thank you for selecting and buying V-TAC product. V-TAC will serve you the best. Please read these instruc-
tions carefully before starting the installation and keep this manual handy for future reference. If you have any
another query, please contact our dealer or local vendor from whom you have purchased the product. They
are trained and ready to serve you at the best. The warranty is valid for 5 years from the date of purchase. The
warranty does not apply to damage caused by incorrect installation or abnormal wear and tear. The company
gives no warranty against damage to any surface due to incorrect removal and installation of the product.
This product is warranted for manufacturing defects only.
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multiple languages.
WEEE Number: 80133970
IN CASE OF ANY QUERY/ISSUE WITH THE PRODUCT, PLEASE REACH OUT TO US AT: [e-mail]
FOR MORE PRODUCTS RANGE, INQUIRY PLEASE CONTACT OUR DISTRIBUTOR OR NEAREST
DEALERS. V-TAC EUROPE LTD. BULGARIA, PLOVDIV 4000, BUL.L.KARAVELOW 9B
PV INPUT PARAMETER
Mppt Input Voltage 550V
Vmax PV 550V
Max. Input Current 18.5x2A
lsc PV 26x2A
AC INOUT/OUTOUT PARAMETER
Rated Apparent Power 3.6kVA
Rated Current 16.4/15.7A
Rated Voltage
198 to
242@220/207 to
253@230V
Rated Frequency 50/60Hz
Power Factor Range 1 (-0.8~+0.8 adjust-
able)
BATTERY PARAMETER
Storage type: Li-ion / Lead-acid
etc.
Battery input voltage: 40V-60V
Cut O Voltage: 39.5V
Max. charging Voltage: 60V
Max. Protective Voltage: 62V
Max. continuous charging
Current: 80A
Max.Discharging Current: 80A
SYSTEM
Protective Class: Class I
Type of Isolation: Transformerless
Ingress Protection: IP65
Over Voltage Category: II
Dimension(W*D*H): 513*370*192mm
Weight: 17kg
Max.Eciency: 97.6%
MODEL VT-6607136
SKU 11576

WARNING
EXPLANATION OF SYMBOL
1. Please make sure to turn o the power before starting the installation.
2. Installation must be performed by a qualified electrician.
VTAC inverter strictly comply with relevant safety standards. Please read and follow all the instructions and cau-
tions during installation, operation and maintenance.
SAFETY PRECAUTIONS
1. All work on the inverter must be carried out by qualified electricians.
2. The PV panels and inverter must be connected to the ground.
3. Do not touch the inverter cover until 5 minutes aer disconnecting both DC and AC power supply.
4. Do not touch the inverter enclosure when operating, keep away from materials that may be aected
by high temperatures.
5. Please ensure that the used device and any relevant accessories are disposed of in accordance with appli-
cable regulations.
6. VTAC inverter should be placed upwards and handled with care in delivery. Pay attention to waterproof. Do
not expose the inverter directly to water, rain, snow or spray.
7. Alternative uses, modifications to the inverter not recommended. The warranty can become void if the inverter
was tampered with or if the installation is not in accordance with the relevant installation instructions.
SYMBOL EXPLANATION
Danger of electric shock
The inverter contains fatal DC and AC power. All work on the inverter must be
carried out by qualified personnel only.
Beware of hot surface
The inverter’s housing may reach uncomfortably hot 60°C (140°F) under high
power operation. Do not touch the inverter enclosure when operation.
Residual power discharge
Do not open the inverter cover until 5 minutes aer disconnection both
DC and AC power supply.
Important notes
Read all instructions carefully. Failure to follow these instructions,
warnings and precautions may lead to device malfunction or damage.
Do not dispose of this device with the normal domestic waste.
Refer to manual before service.
CE mark
The inverter complies with the requirements of the applicable CE guidelines.

INTRODUCTION
OPERATION MODES
Basic Instruction
Self-Use
Note: Advance Setting
The VTAC hybrid inverters are designed to increase energy independence for homeowners. Energy
manag ment is based on time-of-use and demand charge rate structures, significantly reduce the
amount of energy purchased from the public grid and optimize self-consumption.
The Self-Use mode is for the regions with low feed-in tari and high electricity prices. The energy
produced by the PV system is used to optimize self-consumption needs. The excess energy is used
to recharge the batte ies, any remaining excess is then exported to the grid.
When select 0 W under P_Feed menu, the inverter will export zero energy to the grid.
When select xx W under P_Feed menu, the inverter will export customized energy to the grid.
Energy flow:
PV → Load → Battery → Grid
Hybrid Inverter
PV Array
Storage
Battery
Generator Smart
Load
Critical
Load
Load
Meter Grid

4 periods of time charge setting.
Energy flow:
PV → Battery → Load → Grid
Time of Use
A. Charge Setting
B. Discharge
PV Charge Mode
4 periods of time charge setting.
Energy flow:
PV and Grid → Battery → Load
AC Charge Mode
The Time of Use mode is designed to reward customers who do their part to reduce demand on the
electric grid, particularly during peak usage periods. Use most of your electricity from PV energy
and during o-peak time periods, and you could significantly lower your monthly bill.
Note:
Aer select AC charge, when PV have no
sucient power, AC will also charge the
battery.
4 periods of time discharge setting
Energy flow: Battery and PV → Load → Grid

C. Forbidden Discharge
Selling First
Back-Up
Energy flow:
PV → Battery → Load → Grid
Energy flow:
PV → Load → Grid → Battery
4 periods of time discharge setting, the battery will be charged firstly.
The Selling First mode is suitable for the regions with high feed-in tari.
When the grid fails, the system will automatically switch to Back-Up mode. The back-up loads can
be supplied by both PV and battery energy.
Energy flow: PV and Battery → Load

INSTALLATION
Pre-installation
Unpacking
On receiving the inverter, please check to make sure the packing and all components are not miss-
ing or damaged. Please contact your dealer directly for supports if there is any damage or missing
components.
Package List
Open the package, please check the packing list shown as below.
Unpacking & Package List
Certificate
Of Inspection
Quick
Installation
Insructions
Warrenty
Card
Monitor
Quick
Installation
Instructions
No. Qty Items No. Qty Items
1 1 Hybrid Inverter 11 1Grounding Terminal
2 1 Certificate Of Inspection 12 1 Wall Mounting Bracket
3 1 Quick Installation Instructions 13 1 Battery Connector
4 1 Warranty Card 14 1 Monitor Module
5 1 Monitoring Quick Installation
Instructions 15 2DC Connector
6 1 CT 16 3 Mounting Bracket Screw
7 4 AC Wiring Cover Screw 17 3Plastic Expansion Tube
8 1 Security Screw 18 1Smart Meter (Opitional)
9 4 AC Wiring Terminal 19 1 AC Waterproof Cover
10 2 Communication Connectors 20 1 Communication Adapter

Product Overview
Inverter Terminals
No. Items No. Items
1DC Switch 5Communication Port
2DC Connectors ( + ) For PV Strings 6AC Port & EPS Port
3DC Connectors ( − ) For PV Strings 7Monitor Module Port
4Battery Port

Mounting Location
The inverters are designed for indoor and outdoor installation (IP65), to increase the safety, perfo
mance and lifespan of the inverter, please select the mounting location carefully based on the fol-
lowing rules:
• The inverter should be installed on a solid surface, far from flammable or corrosion materials,
where is suitable for inverter’s weight and dimensions.
• The ambient temperature should be within -25°C ~ 60°C (between -13 °F and 140°F).
• The installation of inverter should be protected under shelter. Do not expose the inverter to direct
sunlight, water, rain, snow, spray lightning, etc.
• The inverter should be installed vertically on the wall, or lean back on plane with a limited tilted
angle. Please refer to below picture.

Mounting
STEP 1
STEP 2
• Leave the enough space around inverter, easy for accessing to the inverter, connection points and
maintenance.

STEP 3
Electrical Connection
Communication Adapter pin assignment
No. COM1 COM2
1NTC+ Meter 485A
2NTC- Meter 485B
3Dry Contact BAT 485A
4Dry Contact BAT CANH
5DRM BAT CANL
6DRM BAT 485B
7485A CTU
8485B CTN
Note:
For diesel generators or multi-machine parallel use, please contact the manufacturer, and
provide installation and operation instructions separately.

PV Connection
Warning:
Note:
PV cable suggestion
Cross-section
4mm²
The hybrid inverter has two MPPT channels, can be connected with two strings of PV panels.
Please make sure below requirements are followed before connecting PV panels and strings to the
inverter:
The fatal high voltage may on the DC side, please comply with electric safety
when connecting.
Please make sure the correct polarity of the cable connected with inverter, other-
wise inverter could be damaged.
• The open-circuit voltage and short-circuit current of PV string should not exceed the reasonable
range of the inverters.
• The isolation resistance between PV string and ground should exceed 300 kΩ.
• The polarity of PV strings are correct.
• Use the DC plugs in the accessory.
• The lightning protector should be equipped between PV string and inverter.
• Disconnect all of the PV (DC) switch during wiring.
STEP 1
STEP 2
Positive Crimp Contact
Negative Crimp Contact
Note:
Note:
Please use PV connector crimper to pinch the point of the arrow.
You’ll hear click sound when the connector assembly is correct.

STEP 3
STEP 1
STEP 2
Battery Connection
Hybrid inverters are compatible with lithium battery. For lead acid battery or batteries with other
brands, please confirm with local distributor or VTAC for technical support.
Note:
Set battery type and manufacturer, please refer to Chapter 5.3. BMS(Battery Management
System)communication is needed between inverter and battery.
Pass the crimped battery harness through the waterproof connector and the cover.
Note:
Battery cable suggestion Cross - section 8-10 AWG
Please make sure the battery polarities are correct.

STEP 3
STEP 4
STEP 5
STEP 6
Insert the wire harness into the terminals according to “+” and “-” polarity, make the insulated ter-
minals parallel with the terminals , the crimping screw torque is 2.0±0.1N.m
A “click” sound will be heard when the connector assembly is correct.
Use an open-end wrench to tighten the waterproof lock.
Insert the battery connector into the inverter, if hear a “click”, it means the battery connection is
finished.

BAT-CAN/RS485
BAT-NTC

Multi Inverter Parallel

AC Connection
The AC terminal contains “GRID” and “EPS”, GRID for load, and EPS for emergency load.
Before connecting, a separate AC breaker between individual inverter and AC input power is neces-
sary. This will ensure the inverter be securely disconnected during maintenance and fully protected
from current of AC input.
An extra AC breaker is needed for On-Grid connection to be isolated from grid when necessary.
Below are requirements for the On-Grid AC-breaker.
Please follow steps for AC connection
• Connect DC protector or breaker first before connecting.
• emove insulation sleeve 11mm(0.5 inch) length, unscrew the bolts, insert the
AC input wires according to polarities indicated on the terminal block and
tighten the terminal screws.
Inverter Model AC breaker specification
VT-6607136 63A/200V/230V AC breaker
Model Wire Size Cable(mm²) Torque value
VT-6607136 8-10AWG 4-6 1.2N·m
Note:
Note:
Note:
Note:
Qualified electrician will be required for the wiring.
Cable suggestion
Cross-section 8-10AWG
The wiring terminals should be wrapped with insulation tape, otherwise it will cause a short
circuit and damage the inverter.
The Max. power load connects to EPS port should not exceed the inverter’s EPS Max.
output power range.
STEP 1

STEP 2
STEP 3
GRID EPS Load
GRID EPS Load
Fix the AC wiring cover with cover screws

CT or Meter Connection
Install the CT
Meter and a current sensor(CT for short below) are used to detect current power direction of the
local load and the grid. The output control function of the inverters will be activated based on the
detected data.

Install the Meter
Communication Connection
Install the WIFI / Ethernet / GPRS / RS485 Communication
The monitoring module could transmit the data to the cloud server, and display the data on the PC,
tablet and smart-phone.
WIFI / Ethernet / GPRS / RS485 communication is applicable to the inverter.
Please refer to “Communication Configuration Instruction” for detailed instruction.
STEP 1

Earth Connection
STEP 2
Turn on the DC switch and AC circuit breaker, and wait until the LED indicator on the monitoring
module flashes, indicating that the monitoring module is successfully connected.
Note:
Note:
A second protective earth (PE) terminal should be connected to the inverter.
This prevents electric shock if the original protective PE wire fails.
Earth cable PE suggestion:
Cross-section (Copper) 4-6mm² / 10AWG
Grounding terminal
STEP 1