12.
Commissioning
11.
Instruments
UNO-DM-1.2_2.0_3.0_3.3_4.0_4.6_5.0-TL-PLUS-Q-Quick Installation Guide EN-RevA
EFFECTIVE 16-11-2018
© Copyright 2018 ABB. All Rights Reserved.
Specifications and illustrations are subject to change without notice.
9.
Line cable and protective devices
10.
Output connection (AC)
→
Commissioning
→
Features and T
echnical Data
13.
Features and T
echnical Data
Protection switch under load (AC switch) and sizing of the line cable
To protect the AC connection line of the inverter, we recommend the installation of a protection device against overcurrent and earth leakages with the following
features:
UNO-DM-1.2
UNO-DM-2.0
UNO-DM-3.0
UNO-DM-3.3
UNO-DM-4.0
UNO-DM-4.6
UNO-DM-5.0
Type
Circuit breaker with differential magnetic-thermal protection
Nominal voltage
230 Vac
Nominal current
10 A
16 A
16 A
20 A
25 A
25 A
32 A
Magnetic protection feature
B/C
Number of poles
2
Type of differential protection
A/AC
Differential sensitivity
300 mA
ABB declares that the ABB high frequency inverter without a transformer are not manufactured to inject continuous currents of ground fault, and therefore, the
differential installed downstream of the inverter, type B according to IEC 60755/A 2, is not required.
Characteristics and sizing of the line cable
The cable should be three-pole. The section of the AC line conductor must be sized in order to avoid unwanted disconnections
of the inverter from the distribution network due to high impedances of the line that connects the inverter to the point of supply
of electricity.
Line conductor
cross-section
Maximum length of the line conductor (m)
UNO-DM-1.2
UNO-DM-2.0 UNO-DM-3.0
UNO-DM-3.3
UNO-DM-4.0
UNO-DM-4.6
UNO-DM-5.0
1.5 mm
2
18 m
10 m
6 m
6 m
5 m
4 m
- m
2.5 mm
2
22 m
15 m
11 m
11 m
10 m
8 m
6 m
4 mm
2
40 m
25 m
19 m
19 m
16 m
13 m
10 m
6 mm
2
56 m
38 m
29 m
29 m
24 m
20 m
16 m
The values are calculated in nominal power condition considering:
1. a power loss along the line of not more than 1%.
2. copper cable used, with HEPR rubber insulation and placed in open air
Contact us
www.abb.com/solarinverters
The LEDs allow you to view inverter status conditions to be analyzed in greater depth by consulting the manual.
LEDs
06
POWER Green
Solid when the inverter is working correctly. Flashes when checking the grid or if
there is insufficient sunlight.
COMM
Green
Activation status of the inverter’s wireless communication
ALARM
Yellow
The inverter has detected an anomaly. The anomaly is shown on the
“EVENTS” section of the internal webserver.
WLAN
Multicolor
Quality of the wireless communication signal.
GFI
Red
Ground fault on the DC side of the PV generator. The error is shown on the
“EVENTS” section of the internal webserver.
Caution! Before performing the operations described below, make sure that you have properly disconnected the AC line downstream of
the inverter
For the grid connection of the inverter, 3 connections are needed: ground, neutral and phase. The ground connection of the inverter is mandatory.
The connection of the network cable to the inverter is performed by means of the dedicated AC output connector
10
, by doing the following:
1. Remove the connector head by pressing on the two retaining clips and
then loosen the cable gland.
2
1
1a
1b
2. Insert the cable into the connector and cut the cable to length
Make sure that the cable bend radius is greater than 4 times the cable
diameter
3. Prepare the cable according to the following measurement:
N
L
Max 6 mm²
12mm with ferrules*
8mm without ferrules*
X
Ø10÷14mm
X
Y
L,N 25 mm
Y
30mm
z:
10mm max
z
(*): Use properly crimped ferrules only on stranded wire with a conductor
section values between 1.5 - 4 mm².
4. Install the individual wires (phase, neutral and ground) on the connector
head according to the instructions printed on each of the three terminals
(tightening torque 0.8...1 Nm)
5. Close the connector and tighten the cable gland respecting the tightening
torque (4+1 Nm) to ensure the IP65 degree of protection
1
2
6. Remove the pre-installed protective cap on the inverter.
Insert the counterpart in the AC output connector
10
while taking care to align
the references (present in both connectors) that prevent connection errors.
2
1
3
To maintain the IP protection rating of the inverter, it is mandatory to install the counterpart with the AC cable connected or the protective
cap, on the AC output connector. In addition, the connector must not be subjected to tensile forces (examples: do not connect weights to
the AC cable, do not leave excess wire hanging, etc.).
UNO-DM-1.2
UNO-DM-2.0 UNO-DM-3.0
UNO-DM-3.3
UNO-DM-4.0
UNO-DM-4.6
UNO-DM-5.0
Input
Absolute maximum input voltage (V
max,abs
)
600 V
Input activation voltage (V
start
)
120 V
(adj. 100...150V)
150 V
(adj. 100...250 V)
150 V
(adj. 100...250 V)
200 V
(adj. 120...350 V)
200 V
(adj. 120...350 V)
200 V
(adj. 120...350 V)
200 V
(adj. 120...350 V)
DC input voltage operating range (V
dcmin
...V
dcmax
)
0.7xV
start
...580 V (min 90 V)
Rated input DC voltage (V
dcr
)
185 V
300 V
300 V
360 V
360 V
360 V
360 V
Rated input DC power (P
dcr
)
1500 W
2500 W
3300 W
3500 W
4250 W
4750 W
5150 W
Number of independent MPPTs
1
1
1
2
2
2
2
Maximum Input power for each MPPT (P
MPPTmax
)
1500 W
2500 W
3300 W
2000 W
3000 W
3000 W
3500 W
DC input voltage range (V
MPPT min
... V
MPPT max
) with
parallel configuration of MPPT at P
acr
100...530 V
210...530 V
320...530 V
170...530 V
130...530 V
150...530 V
170...480 V
DC power limitation with parallel configuration of MPPT
N/A
N/A
N/A
Linear derating from Max to Null [530V≤VMPPT≤580V]
(10)
DC power limitation for each MPPT with independent
configuration of MPPT at P
acr
, max unbalance
example
N/A
N/A
N/A
MPPT1: 2000 W
[200V≤VMPPT≤530V]
MPPT2: Pdcr-2000W
[112V≤VMPPT≤530V]
MPPT1: 3000 W
[190V≤VMPPT≤530V]
MPPT2: Pdcr-3000W
[90V≤VMPPT≤530V]
MPPT1: 3000 W
[190V≤VMPPT≤530V]
MPPT2: Pdcr-3000W
[90V≤VMPPT≤530V]
MPPT1: 3500 W
[185V≤VMPPT≤480V]
MPPT2: Pdcr-3500W
[145V≤VMPPT≤480V]
or 3500W
[305V≤VMPPT≤480V]
with no power on
MPPT1
(6)
Maximum DC input current (I
dc max
) / for each MPPT (I
MPPTmax
)
10 A
10 A
10 A
20.0 A/10.0 A 32.0 A/16.0 A 32.0 A/16.0 A 30,5A/19-11,5A
Maximum return current (AC side vs DC side)
< 5 mA (In the event of a fault, limited by the external protection on the AC circuit)
Maximum short circuit current (I
sc max
) / for each MPPT
12.5
12.5 A
12.5 A
12.5 A / 25.0 A 20.0 A / 40.0 A 20.0 A / 40.0 A 22.0 A / 44.0 A
Number of input DC connection pairs for each MPPT
1
DC connection type
Quick fit PV connector
(1)
Type of PV panels connected in input in accordance
with Standard IEC 61730
Class A
Input protection
Reverse polarity protection
Yes, from a current limited source
Input overvoltage protection for each MPPT- Varistors
Yes
Photovoltaic array insulation control
According to local standard
DC disconnect switch characteristics
(version with DC disconnect switch)
600 V/25 A
Ø10÷14mm
max. 6 mm²
POWER
COMM
ALARM
WLAN
GFI
06
UNO-DM-1.2
UNO-DM-2.0 UNO-DM-3.0
UNO-DM-3.3
UNO-DM-4.0
UNO-DM-4.6
UNO-DM-5.0
Output
AC connection type
Single phase
Nominal output AC power (P
acr@cosφ=1
)
1200 W
2000 W
3000 W
3300 W
4000 W
4600 W
5000 W
Maximum output AC power (P
ac max@cosφ=1
)
1200 W
2000 W
3000 W
3300 W
4000 W
(2)
4600 W
5000 W
Maximum apparent power (S
max
)
1200 VA
2000 VA
3000 VA
3300 VA
4000 VA
(2)
4600 VA
5000 VA
Nominal output AC voltage (V
acr
)
230 V
Output AC voltage range (V
ac min
...V
ac max
)
180...264 Vac
(3)
Maximum AC output current (I
ac max
)
5.5 A
10.0 A
14.5 A
14.5 A
17.2 A
(2)
20.0 A
22.0 A
Maximum fault current
<25 A rms (100 ms)
Short circuit current contribution
10.0 A
12.0 A
16.0 A
16.0 A
19.0 A
22.0 A
24.0 A
Inrush current
Negligible
Nominal output frequency (f
r
)
50 / 60 Hz
(4)
Output frequency range (f
min
...f
max
)
47...53 / 57...63 Hz
(4)
Nominal power factor and adjustability interval
> 0.995; 0.1 – 1 Over/Under excited
Total harmonic current distortion
< 3.5%
AC connections type
Panel female connector
Output Protection
Anti-islanding protection
According to local standard
Maximum external AC overcurrent protection
10.0 A
16.0 A
16.0 A
20.0 A
25.0 A
25.0 A
32.0 A
Output overvoltage protection - Varistor
2 (L - N / L - PE)
Operational Performances
Maximum efficiency (η
max
)
94.8%
96.7%
96.7%
97.0%
97.0%
97.0%
97.4%
Weighted efficiency (EURO/CEC)
92.0% / -
95.0%/-
95.0%
96.5%/-
96.5%/-
96.5%/-
97.0%/-
Power threshold of the power
8.0 W
Nighttime consumption
< 0.4 W
Communication
Embedded Communication Interface
Wireless
(5)
Embedded Communication Protocol
ModBus TCP (SunSpec)
Commissioning tool
Web user interface, Aurora Manager Lite
Firmware Update Capabilities
Locally and remotely
Monitoring
Plant Portfolio Manager, Plant Viewer, Plant Viewer for Mobile
(7)
Optional board UNO-DM-COM kit
Optional Communication Interface
RS485 (use with meter for dynamic feed-in control), Alarm/Load manager relay, Remote ON/OFF
Optional Communication protocol
ModBus RTU (SunSpec), Aurora Protocol
Optional board UNO-DM-PLUS Ethernet COM kit
Optional Communication Interface
Ethernet, RS485 (use with meter for dynamic feed-in control), Alarm/Load manager relay, Remote ON/OFF
Optional Communication protocol
ModBus TCP (SunSpec), ModBus RTU (SunSpec), Aurora Protocol
Environmental
Ambient temperature range
-25...+60°C /-13...140°F
Ambient temperature derating
above
50°C/122°F
above
50°C/122°F
above
50°C/122°F
above
50°C/122°F
above
50°C/122°F
above
40°C/104°F
(8)
above
45°C/113°F
Relative humidity
0...100% condensing
Typical noise emission pressure
< 50 dB(A) @ 1 m
(9)
Maximum operating altitude without derating
2000 m/6560 ft
Classification of environmental pollution
degree for the external environment
3
Environmental category
Outdoor
Physical
Environmental protection degree
IP 65
Cooling system
Natural
Dimensions (H x W x D)
553 mm x 418 mm x 175 mm/21.8” x 16.5” x 6.9”
Weight
15 kg/33 lb
Mounting system
Wall brackets
Overvoltage category in conformity with IEC 62109-1
II (DC input) III (AC output)
Safety
Isolation level
Transformerless (TL)
Certifications
CE, RCM
Safety class
I
Safety and EMC standard
IEC/EN 62109-1, IEC/EN 62109-2, AS/NZS 4777.2,
EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4,
EN 61000-3-2, EN 61000-3-3
IEC/EN 62109-1, IEC/EN 62109-2, AS/NZS 4777.2,
EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN
61000-6-4, EN 61000-3-11, EN 61000-3-12
Grid standard
Refer to “Update your inverter for new features” page on the ABB Solar website to know which country standard are
available for your inverter model.
1. Refer to the documen
t “String inverter – Product Manual appendix” available at www.abb.com/solarinverters to know the brand and the model of the quick fit connector.
2. For UK G83/2 grid standard, maximum output current limited to 16A up to a maximum output power of 3600W and maximum apparent power of 3600 VA.
3. The AC voltage range may vary depending on specific country grid standard.
4. The Frequency range may vary depending on specific country grid standard. CE, 50Hz only.
5. As per IEEE 802.11 b/g/n standard.
6. Functionality with unbalanced channels
7. Plant Viewer per Mobile availble remotely only, not for local commissioning.
8. Pacr = 4200 W @ 45°C/113°F.
9. @ Pure sine wave condition.
10. For UNO-DM-5.0 model: Linear power reduction from Max to zero [480V≤VMPPT≤580V]
Note. The features that are not specifi
cally mentioned in this data sheet are not included in the product
Before proceeding with commissioning, make sure you have carried out all the following checks:
- Check the correct connection and polarity of the DC inputs, and the correct connection of the AC output and ground cables.
-
Check the sealing barrier of the cable ducts and installed quick-fit connectors to prevent accidental disconnections and/or
avoid compromising the IP65 environmental protection rating.
Commissioning is carried out via Wi-Fi connection to the inverter web user inteface. Initial setup must therefore be carried out via a tablet, notebook or smartphone
with a Wi-Fi connection.
To establish the connection and operate with the inverter, it is necessary to connect its input to the DC voltage of the photovoltaic panels.
•
Supply the inverter with DC input voltage from the photovoltaic generator and via AC GRID voltage.
Make sure that the irradiation is stable and adequate for the inverter commissioning procedure to be completed.
•
Pre-commissionig phase 1 - Connection to the local Wi-Fi network
- DEVICE USED TABLET/SMARTPHONE.
Once powered, launch a QR reader for mobile and SCAN the QR code marked with
on the label on the right side of the inverter and connect to inverter
network (tap connect).
The name of the Wi-Fi network created by the system, that the connection should be established with, will be:
ABB-XX-XX-XX-XX-XX-XX (where the X is the MAC address)
After this step wait 10 seconds to allow the WLAN connection
- DEVICE USED LAPTOP.
Enable the wireless on the device you are using for the commissioning and search for the network named ABB-XX-XX-XX-XX-
XX-XX, where “X” is an hexadecimal number of the MAC Address (the MAC Address is indicated on the “wireless identification
label” on the side of the inverter).
When prompted, type the PK (product key), including the dashes. Example: 1234-1234-1234-1234 as the network password.
•
Pre-commissionig phase 2 - Internal web UI access
- DEVICE USED TABLET/SMARTPHONE.
SCAN this QR code (it is also reported in the inverter pre-commissioning flyer inside the box of the inverter). An internet
browser page showing the step by step procedure will be open.
The information contained in this QR code is the IP address of the web user interface of the inverter:
http://192.168.117.1
Recommended browsers: Chrome from v.55, Firefox from v.50, Safari from V.10.2.1
- DEVICE USED LAPTOP.
Open an internet browser page and insert http://192.168.117.1 on the address bar.
STEP BY STEP COMMISSIONING WIZARD:
• STEP 1 - Administrator/User login credentials
- Set the Administrator account user and password (minimum 8 character for password):
Administrator account can open and view the contents of photovoltaic site. Additionally, they can make changes to inverter settings. User and password are CASE
SENSITIVE.
- Set the User account user and (optional) password (minimum 8 character for password):
User account can only read data. It cannot make any changes. User and password are CASE SENSITIVE.
- Click on “Next” button to proceed to the next stage of the configuration wizard.
• STEP 2 (Optional) - Residential wireless network connection.
The parameters relating to the home wireless network (set on the router) that must be known and set during this step are:
- IP Settings: DHCP or Static.
If you select the DHCP function (default setup) the router will automatically assign a dynamic IP address to the inverter whenever it tries to connect to the user
network.
With Static, the user can assign a fixed IP address to the system. The data which has to be entered in order for IP static address assigning to take place will
appear. Complete the additional fields at the bottom of the screen (all the fields are mandatory with the exception of the secondary DNS server).
- Available networks (SSID):
Identify and select your own (home) wireless network from all those shown in the SSID field (you can carry out a new search of the networks that can be
detected with the Update button
). Once the network has been selected, confirm.
- Password: Wireless network password.
Enter the password for the destination network (if necessary) and start the connection attempt (it will take a few seconds).
- Click on “Connect” button to connect the inverter to the home wireless network.
- A message will ask for confirmation. Click “Next” to connect the inverter to the home wireless network.
- Once the inverter is connected to the domestic wireless network, a new message will confirm that.
The message provides the IP Address assigned by the home wireless network router to the inverter that can be used each time you want to access the internal
webserver, with the inverter connected to the home wireless network. Take note of it.
- Click on “Next” button to proceed to the next stage of the configuration wizard.
The IP address assigned may vary for reasons connected to the wireless home router setup (for example, a very brief DHCP lease time). If
verification of the address is required, it is usually possible to obtain the client list (and the corresponding IP addresses) from the wireless
router administration panel.
If the inverter loses the connection with the home wireless network, it is available accessing the Wi-Fi network ABB-XX-XX-XX-XX-XX-XX, where “X” is an hexadeci
-
mal number of the MAC Address.
The most common causes of losing connectivity might be: different wireless network password, faulty or unreachable router, replacement of
router (different SSID) without the necessary setting updates.
• STEP 3 - Date, Time and Time zone
- Set the Date, Time and Time zone (The inverter will propose these fields when available).
When it’s not possible for the inverter to detect the time protocol, these fields have to be manually entered.
- Click on “Next” button to proceed to the next stage of the configuration wizard.
• STEP 4 - Inverter country standard, Input mode, Meter and Energy policy.
Country standard
Set the grid standard of the country in
which the inverter is installed.
Input mode
- Indipendent
- Parallel
Meter
None (installation without meter)
REACT-MTR-1PH (single-phase)
ABB 3PH (three-phase)
ABB 1PH (single-phase)
Energy Policy
Zero injection
Self consumption
Custom
From the moment that the grid standard
is set, you have 24 hours to make any
changes to the value, after which the
“Country Select > Set Std.” functionality
is blocked, and the remaining time will
have to be reset in order to have the
24 hours of operation available again
in which to select a new grid standard
(follow the procedure “Resetting the re
-
maining time for grid standard variation”
described in the relevant section).
See the relevant section of this guide
to know how to physically set the input
mode
If the selected meter is three-phase addi-
tional requested fields will appear:
- Meter Phase: select the phase to which
the inverter is connected.
When a meter type is selected is possible
to set also the Energy Policy fields that
allows to manage the energy produced
by the PV plant.
- Zero injection: The system automatically
manages power flows in order to avoid
the injection of energy to the grid.
- Self consumption: The system automat-
ically manages power flows in order to
maximise self-consumption.
- Custom: The system automatically
manages power flows in order to avoid
feeding the grid with power greater
than: PDC x Plim where PDC is the
power of the photovoltaic generator
(“PV GENERATOR POWER” param
-
eter) and Plim is the output power limit
with respect to PDC(%) (“FEED-IN
POWER” parameter).
- Confirm the settings by clicking “DONE”; the inverter will reboot at the finish of the meter test phase (if installed).
-
After the wizard is completed, the system will power-on. The inverter checks the grid voltage, measures the insulation resistance of the photovoltaic field with
respect to ground and performs other auto-diagnostic checks. During the preliminary checks on the parallel connection with the grid, the “Power” LED keeps
flashing, the “Alarm” and “GFI” LEDs are off.
If the outcome of the preliminary checks on the grid parallel is positive, the inverter connects to the grid and starts to export power to the grid. The “Power” LED
remains fixed on while the “Alarm” and “GFI” LEDs are off.
To address any problems that may occur during the initial stages of operation of the system and to ensure the inverter remains fully functional,
you are advised to check for any firmware updates in the download area of the website www.abb.com/solarinverters or at https://registration.
abbsolarinverters.com (instructions for registering on the website and updating the firmware are given in this manual).
SN WLAN: SSSSSSSSSS
PN WLAN: PPP.PPPPP.PP
MAC: XX:XX:XX:XX:XX:XX
SN Inverter: SSSSSSSSSS
MAC: XX:XX:XX:XX:XX:XX
PK: KKKK-KKKK-KKKK-KKKK
Remove and apply
on the Quick
installation guid
e