V-TAC VT-6607005 User manual

MULTI-LANGUAGE MANUAL
Please scan the QR code to access
the manual in multiple languages.
WEEE Number: 80133970
5kW ON GRID INVERTER
INSTRUCTION MANUAL
MODEL VT-6607005
SKU 11832
IN CASE OF ANY QUERY/ISSUE WITH THE PRODUCT PLEASE REACH OUT TO US AT
[e-mail] V-TAC HOUSE, KELPATRICK ROAD, SLOUGH, BERKSHIRE, SL1 6BW, UK.

Contents
1. About This Manual . . . . . . . . . . . . . . . . . . . . . .
1.1 Scope of Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 Target Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. Safety & Symbols . . . . . . . . . . . . . . . . . . . . . . .
2.1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Explanations of Symbols . . . . . . . . . . . . . . . . . . . . . . . . .
3. Installation . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Pre-installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.1 Unpacking & Package List . . . . . . . . . . . . . . . . . . . . . . . .
3.1.2 Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.3 Mounting Location . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4. Electrical Connection. . . . . . . . . . . . . . . . . . . . .
4.1 PV Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Grid Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3 Communication Connection . . . . . . . . . . . . . . . . . . . . . . .
4.4 Zero-injection Smart Meter (Optional) . . . . . . . . . . . . . . . . . .
5. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3 Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3.1 Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3.2 Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3.3 Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6. Commissioning . . . . . . . . . . . . . . . . . . . . . . .
7. Start-up & Shut Down . . . . . . . . . . . . . . . . . . . .
7.1 Shut down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2 Restart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8. Maintenance&Trouble Shooting . . . . . . . . . . . . . . .
8.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2 Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9. Specifications . . . . . . . . . . . . . . . . . . . . . . . .
Contents
20
20
20
20
21
21
21
25
8
8
11
13
14
16
16
17
18
18
18
19
1
1
1
1
2
2
3
4
4
4
5
6
7

1. About This Manual
1.1 Scope of Validity
1.2 Target Group
1.3 System Diagram
This manual describes the installation, commissioning, operation and
maintenance of the following on-grid PV inverters produced by VTAC:
This manual is for qualified personnel. The tasks described in this manual must
only be performed by qualified personnel.
Single Phase Ongrid Inverter:
VT-6607005
Please Keep This Manual All The Time Available In Case Of Emergency.
The typical on-grid PV system connection diagram.
About This Manual
01
Circuit Breaker 1Surge Protective
Device
DCA1+
DCA1-
PE
WIFI / RS485
Cloud server
Portal web Porta Smart-phone
PVA1
PV Array
Circuit Breaker
N
L
3
AC Grid
Surge Protective
Device
Circuit Breaker 1Surge Protective
Device
DCA1+
DCA1-
PVA1
PV Array
PV Inverter

Type Max AC Current (A) Rated current of AC breaker (A)
Single Phase Ongrid Inverter
VT-6607005 23 32
Safety & Symbols 02
Note:
The Inverter can be only connected to low-voltage grid.
(220/230Vac, 50/60Hz).
Surge Protector Recommendation
• AC side, nominal discharge current 20KA, second grade lightning protection,
protection voltage 2.5KV.
• DC side, nominal discharge current 20KA, second grade lightning protection,
protection voltage 3.2KV.
• The wiring distance between the inverter and the distribution box should be at
least 5 meters.
2. Safety & Symbols
2.1 Safety Precautions
1. All work on the inverter must be carried out by qualified electricians.
2. The device may only be operated with PV panels.
3. The PV panels and inverter must be connected to the ground.
4. Do not touch the inverter cover until 5 minutes after disconnecting both DC
and AC power supply.
Circuit Breaker Recommendation

Safety & Symbols
03
5. Do not touch the inverter enclosure when operating, keep away from materials
that may be affected by high temperatures.
6. Please ensure that the used device and any relevant accessories are disposed
of in accordance with applicable regulations.
7. 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.
8. 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.
VTAC inverter strictly comply with relevant safety standards. Please read and
follow all the instructions and cautions during installation, operation and
maintenance.
2.2 Explanations of Symbols
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 after disconnection both
DC and AC power supply.
Do not dispose of this device with the normal domestic waste.
Without transformer
This inverter does not use transformer for the isolation function.
CE mark
The inverter complies with the requirements of the applicable
CE guidelines.
Refer to manual before service.
Important notes
Read all instructions carefully. Failure to follow these instructions,
warnings and precautions may lead to device malfunction or damage.

Installation 04
No.
1
2
3
4
5
6
7
1
1
1
1
1
1
1
Solar inverter
Certificate Of Inspection
Quick Installation Instructions
Warranty Card
Wall Mounting Bracket
AC Connector
Zero-Injection Connector (Optional)
8
9
10
11
12
13
3
3
1
2
1
1
Plastic Expansion Tube
Tapping Screw
Security Screw
DC Connector sets
Monitor Module
Monitoring Quick Installation Instructions
Qty Items No. Qty Items
3. Installation
3.1 Pre-installation
3.1.1 Unpacking & Package List
Unpacking
On receiving the inverter, please check to make sure the packing and all
components are not missing 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.
678
9
10 11
12
MC
STOP!
MC
12 3 4
5
Certificate
Of
Inspection
Warranty
Card
Quick
Installation
Instructions
13
Monitoring
Module
Quick
Installation
Instructions

Inverter Terminals
3.1.2 Product Overview
No.
1
2
3
4
5
6
DC Switch
DC Connectors ( + ) For PV Strings
DC Connectors ( − ) For PV Strings
AC Connector
Monitor Module Port
Zero-Injection Port (Optional)
Items
360 mm
358 mm
142 mm
12
3
4
56
Installation
05

Installation 06
<30°
>0°
Max
The inverters are designed for indoor and outdoor installation (IP65), to increase
the safety, performance and lifespan of the inverter, please select
the mounting location carefully based on the following 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℃~ 60℃(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.
3.1.3 Mounting Location
The inverter should be installed vertically on the wall, or lean back on plane
with a limited tilted angle. Please refer to below picture.

3.2 Mounting
Leave the enough space around inverter, easy for accessing to the inverter,
connection points and maintenance.
Step 1
Step 2
Installation
07
300mm
100mm 100mm
500mm
43.25mm 43.25mm
207mm
18.5mm
312mm
Security screw

4. Electrical Connection
4.1 PV Connection
Electrical Connection 08
Step 3
The inverter is equipped with 2 MPPT channels, each of which contains a PV
string input.
Security screw
For the best results, make sure that each MPPT channel is correctly connected
with PV string. Otherwise, the inverter will activate voltage or current protection
automatically.
Please make sure below requirements are followed:
• 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 must exceed 10 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.
Warning:
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, otherwise inverter could be damaged.

Electrical Connection
09
Step 1
Note:
PV cable suggestion
Cross-section
4mm²
Step 2
Note:
Please use PV connector crimper to pinch the point of the arrow.
Step 3
MC
STOP !
MC
MC
STOP!
MC
Note:
You’ll hear click sound when the
connector assembly is correct.

Electrical Connection 10
Do not connect more than two PV strings into one channel
Channel A and B connected with PV strings separately
PV Array 1
PV +
PV -
PV +
PV -
PV Array 2 PV Inverter
PV Array 1
PV +
PV -
PV +
PV -
PV Array 2 PV Inverter
Note:
PV string suggestion:
Correct Installation:
Wrong Installation: Wrong Installation:

4.2 Grid Connection
Electrical Connection
11
AC line goes through AC terminal waterproof head and cap
Step 1
Step 2
7mm
The external AC switch should be installed between inverter and grid to isolate
from grid. Please make sure below requirements are followed before connecting
AC cable to the inverter.
• The AC (grid) voltage should not exceed the reasonable range of the inverters.
• The phase-line from AC distribution box are correctly connected.
• Use the AC plugs in the accessory.
• The surge protector should be equipped between grid and inverter.
• Disconnect the AC (grid) switch during wiring.
Warning:
The fatal high voltage may on the AC side, please comply with
electric safety when connecting.
Please make sure the right line of AC grid connected with inverter,
otherwise inverter could be damaged.
Note:
AC cable suggestion
Cross-section
4mm²
Note:

Connect AC line, Live line (L), Neutral line (N) and Ground Wire (PE) according
to polarity.
Step 3
Electrical Connection 12
Step 4
1. Connect AC terminals and waterproof
head, tighten the cap, make sure they
clip closely together.
2. Connect AC connector to AC terminal
of the inverter.
3. Afeer making sure that it is firmly
insered, tighten the sleeve on the AC
connector to the right and hear a click.

Step 1
Step 2
4.3 Communication Connection
Electrical Connection
13
Wifi/GPRS
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.
Install the WIFI / Ethernet / GPRS / RS485 Communication

Electrical Connection 14
Step 1
For single-phase inverter, please follow below pin order
RS485A(Pin 7) to single-phase meter (Pin 24)
RS485B(Pin 8) to single-phase meter (Pin 25)
4.4 Zero-injection Smart Meter (Optional)
Smart meter is an intelligent control equipment which is used for on-grid
inverters. Its main function is to measure the forward and reverse power on
the grid-connected side, and transmit data to the inverter through RS485
communication to ensure that the power of the inverter is less than or equal
to the user's home load, and no current flows into the grid.
Note:
Afore Smart Meter
5 6 24 25
PIN Assignment
Zero-Injection Port pin assignment
12345678
RJ45 Plug
7
8
1-6
RS485 A ( 24 )
RS485 B ( 25 )
/
Smart Meter

Electrical Connection
15
Step 2
Note:
The Inverter could be connected in parallel with Smart Meter,
make sure the total load power not exceed Smart Mater’s limitation.
Grid
Load
RS485 / WiFi / Ethernet / GPRS
Router
Cloud Server
Weather Sta�on
Smart Meter
PV Array Energy Meter
PV Inverter
PV Array
PV Array
Note:
Please refer to "Zero InjectionSmart Meter Installation andOperation
Manual" for detailed instruction.
Smart Meter
PV Inverter
PV Inverter

Operation 16
5. Operation
5.1 Control Panel
ItemsNNo. ItemsNNo.
1
2
3
4
LCD Display
ESC Touch Button
UP Touch Button
DOWN Touch Button
5
6
8
7
FAULT LED Indicator
POWER LED Indicator
ENT Touch Button
GRID LED Indicator
Sign Color Explanation
POWER
GreenON
OFF
ON
OFF
ON
OFF
Green
Red
FAULT
The inverter is stand-by
The inverter is power off
The inverter is feeding power
The inverter is not feeding power
Fault occurred
No fault
GRID
Power
○
2
○
3
○
1
○
○
4
5
○ ○ ○
6 7 8

5.2 Menu Structure
Operation
17
Setting
PassWord xxxx
PassWord xxxx
PassWord xxxx
PassWord xxxx
PassWord xxxx
PassWord xxxx
PassWord xxxx
PassWord xxxx
PassWord xxxx
Safety
Output P%
Freq Range
Volt Range
Del Err Record
10min OVR
Coefficient
Del Arr Record
Q(Var)Mode
Inverter Info
VT-6607005
Version：M Vxxx
Version：S Vxxx
Version：C Vxxx
S/N（Machine）S6xxxxxxxx
First Level Menu
Second Level Menu
Three Level Menu
Wifi Info
IP(Wifi)192.168.xx.xx
S/N（Wifi）xxxxxx
Error Record
No Error
Date&Time
Time: Hh:Mm:Ss
Date: 2021-Dd-Mm
Zero Injection
PassWord xxxx
PassWord xxxxFunction Enable

Operation 18
5.3.1 Startup
5.3 Setting
Explanation of LCD Display Content
Nouns Explanation
Inverter Info
Display the serial number and firmware version of inverter
Check the error list of inverter including date and time
Display the WIFI serial number and assigned IP address
Set date and time of the inverter
Countercurrent power switch
Set the protection parameters of inverter
Error Record
Wifi Info
Date & Time
Function Enable
Setting
5.3.2 Voltage Range
Main Menu Setting
Zero Injection
Volt Range
Del Err Record
ENT ENT
UP/DOWN
choose Volt Range
UP/DOWN
choose Setting
Date&Tine
Setting
Normal
Power=xx W
ENT
Date: 2020-Dd-Mm
Time: Hh:Mm:Ss
ENT
UP/DOWN Adjust the time and
press ENT to confirm
UP/DOWN
Selection Date&Time
Meter switchZero Injection