Energy zeroCO2 small S5-EH1P3K-L User manual

This manual refer to zeroCOsmall (3-6)K inverter
S5-EH1P3K-L
S5-EH1P3.6K-L
S5-EH1P4.6-K-L
S5-EH1P5K-L
S5-EH1P6K-L
Single-phase Hybrid Inverter - 5G
Operation Manual
TM011 Rev.004

. 4 .
Table of Content
Quick Guide ................................................................................................... 6
Wiring Diagrams ........................................................................................... 8
Tutorial............................................................................................................ 9
1. Introduction ..................................................................................................10
1.1 Product Description...............................................................................10
1.2 Packing list ............................................................................................11
2. Safety & Warning..........................................................................................12
2.1 Safety ....................................................................................................12
2.2 General Safety Instructions ..................................................................12
2.3 Usage warnings ....................................................................................14
3. Overview .......................................................................................................15
3.1 Screen...................................................................................................15
3.2 Keypad ..................................................................................................15
3.3 Terminal Connection .............................................................................15
4. Installation ....................................................................................................16
4.1 Select a Location for the Inverter..........................................................16
4.2 Equipment list to be used......................................................................18
4.3 Mounting the Inverter ............................................................................19
4.4 PV Input Terminal Assembly ................................................................ 20
4.5 Battery Terminal Components ..............................................................21
4.6 Assembling the AC Connector............................................................. 23
4.7 Meter installation.................................................................................. 25
4.7.1 Single-phase Meter installation with CT ................................................26
4.7.2 Single-phase Meter installation (with CT)..............................................28
4.7.3 Single-phase meter installation (direct insertion) ..................................30
4.7.4 Three-phase meter installation (insertion with CT) ...............................32
4.7.5 Three-Phase Meter Installation (direct insertion)) .................................34
4.8 External ground connection ................................................................. 36
4.9 Preparation of Commissioning............................................................. 36
4.10 Commissioning procedure ................................................................... 36
4.11 Inverter monitoring connection .............................................................37
5. Operation ..................................................................................................... 38
5.1 LED indicators...................................................................................... 38
5.2 Initial Display ........................................................................................ 39
5.3 Main Menu ........................................................................................... 40
5.4 Information ............................................................................................41
5.5 Settings ................................................................................................ 43
5.5.1 Set Time/Date ........................................................................................43
5.5.2 Set Address ...........................................................................................44
5.5.3 Set Language.........................................................................................45

. 5 .
5.6 Advanced Information .......................................................................... 45
5.6.1 Alarm Message......................................................................................46
5.6.2 Running Message..................................................................................46
5.6.3 Version ................................................................................................... 47
5.6.4 Communication Data .............................................................................48
5.6.5 Daily Energy...........................................................................................48
5.6.6 Monthly Energy......................................................................................49
5.6.7 Yearly Energy.........................................................................................49
5.6.8 Total Energy...........................................................................................50
5.6.9 Warning Message..................................................................................50
5.6.10 Inspection .............................................................................................. 51
5.7 Advanced Settings - Technicians Only.............................................. 52
5.7.1 Select Standard .....................................................................................54
5.7.2 ON/OFF .................................................................................................54
5.7.3 Calibrate.................................................................................................55
5.7.4 Reset Password.....................................................................................56
5.7.5 Restart HMI............................................................................................57
5.7.6 Storage Energy Set................................................................................57
5.7.6.1 Control Parameter ................................................................58
5.7.6.2 Battery Select .......................................................................58
5.7.6.3 Meter Set ..............................................................................61
5.7.6.3.1 Meter Select.......................................................................... 61
5.7.6.3.2 Meter Placement...................................................................62
5.7.6.3.3 Meter Direction .....................................................................65
5.7.6.4 Storage Mode Select ............................................................66
5.7.6.5 Battery WakeUp....................................................................68
5.7.7 Export power Set ...................................................................................69
5.7.7.1 ON /O FF ...............................................................................70
5.7.7.2 BackowPower ....................................................................70
5.7.7.3 Failsafe ON/OFF (not used in Italy) ...................................... 71
5.7.8 HMI Update............................................................................................ 71
5.7.9 DSP Update ...........................................................................................72
5.7.10 CEI 0-21 Self Test..................................................................................72
5.7.11 Special setting Function ........................................................................73
5.7.11.1 AFCI Set............................................................................... 73
5.7.11.2 EPS Mode............................................................................. 74
5.7.12 STD Mode Settings................................................................................ 75
6. Maintenance................................................................................................. 79
6.1 Cleaning ............................................................................................... 79
7. Troubleshooting .......................................................................................... 80
7.1 Error messages and solutions ............................................................. 80
8. Specications.............................................................................................. 84
8.1 Technical Data ..................................................................................... 84
9. Appendix ...................................................................................................... 88
9.1 EPS Box Installation............................................................................. 88
9.1.1 Acrel Meter Installation ..........................................................................90
9.2 Grid standard selection guide .............................................................. 92

. 6 .
Quick Guide
First Start
After making all the connections as per the diagrams provided, start the inverter according to
the following instructions:
• Power the inverter on the AC side (grid connection).
• Turn on the batteries.
• Wait until inverter display is on (may occur 30")
• Turn the DC switch of the strings to the “ON” position (inverter side).
Batteryconguration
• Go to Main Menu.
• Go to ADVANCED SETTINGS.
• Type the password 0010 (DOWN -DOWN – UP – ENTER).
• Go to STORAGE ENERGY SET.
• Go to BATTERY SELECT.
• Select PYLON LV.
• OverDischarge SOC: 20%.
• ForceCharge SOC: 10% (PS: set FORCECHG current to 10A or 500W).
Meterconguration
• Go to Main Menu.
• Go to ADVANCED SETTINGS.
• Type the password 0010 (DOWN -DOWN – UP – ENTER).
• Go to STORAGE ENERGY SET.
• Go to METER SET.
• Select METER SELECT.
Depending on the Meter model select the right one:
• EASTRON 1PH METER (SDM120M [option] or SDM120CTM).
• EASTRON 3PH METER (SDM630 [option] or SDM630MCT [option]).
• ACREL ACR10R-D16TE
Selfuseconguration
• Go to Main Menu.
• Go to ADVANCED SETTINGS.
• Type the password 0010 (DOWN -DOWN – UP – ENTER).
• Go to STORAGE ENERGY SET.
• Go to STORAGE MODE SELECT.
• Select SELF USE then ENTER.
• Select ON.
• Charging from grid: ALLOW.

. 7 .
Self Test CEI-0-21
• Go to Main Menu.
• Go to ADVANCED SETTINGS.
• Type the password 0010 (DOWN -DOWN – UP – ENTER).
• Go to SELF TEST CEI 0 21.
• Go to COMPLETE TEST.
• Select YES and wait for the threshold analysis to complete.
• Results are available from TEST REPORT (same menu).
Lmt by Epm mode
• Go to Main Menu.
• Go to ADVANCED SETTINGS.
• Type the password 0010 (DOWN -DOWN – UP – ENTER).
• Go to EXPORT POWER SET.
• Set On/Off →ON.
• SetBackowpower→+0000W (Maximum output power to the meter).
• Set Failsafe →OFF.
To deactivate Lmt by Epm mode set On/Off →OFF.
WiFiConguration(site/appSolisCloud)
To validate zeroCOsmall warranty and extend it up to 10 years, it is necessary to navigate to
the “Solis Cloud” and complete customer account registration: www.soliscloud.com.
Forcongurationinformation,refertotheWiFiguideforzeroCOavailable on the website
www.energysynt.com.

. 8 .
Wiring Diagrams
Thefollowingtableshowstheexpectedcongurations.
By clicking on the link in the SCHEMA column you can download the corresponding electrical diagram.
INVERTER METER CT EPS BOX SCHEMA
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Meter
SDM120CTM
WD060
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Meter Acrel
ACR10R-D16TE
WD090
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Meter
SDM120M
WD063
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Meter
SDM120CTM
WD072
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Meter
ACR10R-D16TE
WD091
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Meter
SDM120M
WD111
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Meter
SDM630
WD062
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2
zero C0
small
LOAD BACKUP GRID
2
zero C0
small
2
zero C0
small
RS485
Set
2
zero C0
small
2
zero C0
small
LOAD BACKUP GRID
RS485
Set
2
zero C0
small
Meter
SDM630MCT
WD061

. 9 .
Tutorial
Click on the link to view the video tutorial.
• Tutorial for the correct installation of the zeroCO₂small inverter.
• Tutorial for the correct installation of the Pylontech US series batteries.
• Tutorial for the correct installation of the Pylontech Force series batteries.

. 10 .
1. Introduction
1.1 Product Description
The zeroCOsmall (3-6)K Series is designed for residential hybrid systems, which can work
with batteries to optimize self-consumption.
Figure 1 - Front side view
Proprietà riservata. Riproduzione vietata ai temrini di legge-Copyright/Reserved proprietorship. Forbidden reproduction to the terms of law-Copyright. M001-Rev.01 - 13/12/2016
RS485
METER
AC-BACKUP AC GRID
CAN DO DMR COM
+
-
OFF
ON
BAT+ BAT-DC1 DC2
Figure 2 - Bottom side view
Keypad

. 11 .
1. Introduction
1.2 Packing list
Please ensure that the following items are included in the packaging.
zero C0
small 2
Set
RS485
Mounting bracket Fixing screws AC-Grid Terminal
Male Terminal
AC-Backup Terminal
Battery CAN conn. cable Meter SDM120CTM
(100mA)
CT (100A/100mA) RS485 Meter conn. cable
Meter ACR10R-D16TE CT (120A/40mA) RS485 Meter conn. cable
Cover
Double RS485 connector
(unused)
Antenna and
wifi Module
DC(-) Connector DC(+) Connector Battery cables kit
Female Terminal
Inverter

. 12 .
2. Safety & Warning
2.1 Safety
The following types of safety instructions and general information appear in this document as
described below.
DANGER.
“Danger”indicates a hazardous situation which if not avoided, will result in death or
serious injury.
WARNING.
“Warning” indicates a hazardous situation which if not avoided, could result in death or
serious injury.
CAUTION.
“Caution” indicates a hazardous situation which if not avoided, could result in minor or
moderate injury.
NOTE
“Note” provides tips that are valuable for the optimal operation of your product.
2.2 General Safety Instructions
WARNING.
Only devices in compliance with SELV (EN 69050) may be connected to the RS485
and USB interfaces.
WARNING.
Please don’t connect PV array positive (+) or negative (-) to ground, it could cause
serious damage to the inverter.
WARNING.
Electrical installations must be done in accordance with the local and national
electrical safety standards.
WARNING.
Do not touch any inner live parts until 5 minutes after disconnection from the
utility grid and the PV input.
WARNING.
Toreducetheriskofre,over-currentprotectivedevices(OCPD)arerequired
for circuits connected to the inverter. The DC OCPD shall be installed per local
requirements. All photovoltaic source and output circuit conductors shall have isolators
that comply with the NEC Article 690, Part II. All zeroCOsmall (3-6)K single-phase
inverters feature an integrated DC switch..

. 13 .
2. Safety & Warning
CAUTION.
Risk of electric shock, do not remove cover. There is no user serviceable parts inside,
referservicingtoqualiedandaccreditedservicetechnicians.
CAUTION.
The PV array supplies a DC voltage
when they are exposed to sunlight.
CAUTION.
Risk of electric shock from energy stored in capacitors of the inverter, do not remove
cover for 5 minutes after disconnecting all power sources (service technician only).
Warranty may be voided if the cover is removed without authorization..
CAUTION.
The surface temperature of the inverter can reach up to 75°C (167 F). To avoid risk
of burns, do not touch the surface of the inverter while it’s operating. Inverter must be
installed out of the reach of children.
NOTE
PV module used with inverter must have an
IEC 61730 Class A rating
WARNING.
Operations below must be accomplished by licensed technician or zeroCOsmall (3-6)
K authorized person.
WARNING.
Operator must put on the technician’s gloves during the whole process in case of any
electrical hazards.
WARNING.
AC-BACKUP of zeroCOsmall (3-6)K series is forbidden to connected to the grid.

. 14 .
2. Safety & Warning
WARNING.
The zeroCOsmall (3-6)K series does not support parallel (three- and single phase)
operation on the AC-BACKUP port. Parallel operation of the unit will void the warranty.
Figure 3 - Three phase Load Figure 4 - Single phase Load
WARNING.
Pleaserefertothespecicationofthebattery
beforeconguration.
2.3 Usage warnings
The inverter has been constructed according to the applicable safety and technical guidelines.
UsetheinverterininstallationsthatmeetthefollowingspecicationsONLY:
• Permanent installation is required.
• The electrical installation must meet all the applicable regulations and standards.
• The inverter must be installed according to the instructions stated in this manual.
• Theinvertermustbeinstalledaccordingtothecorrecttechnicalspecications.

. 15 .
3. Overview
3.1 Screen
zeroCOsmall (3-6)K Series adopts 7 inch color screen, it displays the status, operating
information and settings of the inverter.
3.2 Keypad
There are four keys in the front panel of the inverter (from left to right): ESC, UP, DOWN e
ENTER. The keypad is used for:
• Scrolling through the displayed options (the UP and DOWN keys);
• Access and modify the settings (the ESC and ENTER keys).
Figure 5 - Keypad
3.3 Terminal Connection
zeroCOsmall (3-6)K series inverter is different from normal on-grid inverter, please refer to the
instructions below before start connection.
Proprietà riservata. Riproduzione vietata ai temrini di legge-Copyright/Reserved proprietorship. Forbidden reproduction to the terms of law-Copyright. M001-Rev.01 - 13/12/2016
DC1 DC2 BAT+ BAT-
ON
OFF
+
-
CAN DO DMR COM
AC GRID
AC-BACKUP
RS485
METER AC Grid
Connection
AC BACKUP
Connection
COM Port
BATTERY
Connection
CAN BATTERY
Connection
METER
Connection
PV Panel
Connection (+)
Interruttore DC
PV Panel
Connection (-)
Figure 6 - Terminal connection
WARNING.
Pleaserefertothespecicationofthebattery
beforeconguration.

. 16 .
4. Installation
4.1 Select a Location for the Inverter
To select a location for the inverter, the following criteria should be considered:
• Exposure to direct sunlight may cause output power derating. It is recommended to avoid
installing the inverter in direct sunlight.
• It is recommended that the inverter is installed in a cooler ambient which doesn’t exceed
104°F / 40°C.
Figure 7 - Recommended Installation locations
WARNING. Riskofre.
Despitecarefulconstruction,electricaldevicescancauseres.
Donotinstalltheinverterinareascontaininghighlyammablematerialsorgases.
Do not install the inverter in potentially explosive atmospheres.
• Install on a wall or strong structure capable of bearing the weight of the machine (17 kg).
• Install vertically with a maximum incline of ±5°C, exceeding this may cause output power
derating.
• Toavoidoverheating,alwaysmakesuretheowofairaroundtheinverterisnotblocked.
A minimum clearance of 300mm should be kept between inverters or objects and 500 mm
clearance between the bottom of the machine and the ground.

. 17 .
4. Installation
Figure 8 - Inverter Mounting clearance, side view
Figure 9 - Inverter Mounting clearance, front view
• Visibility of the LEDs and LCD should be considered.
• Adequate ventilation must be provided.
NOTE
Nothing should be stored on or placed against the inverter.

. 18 .
4. Installation
4.2 Equipment list to be used
Level and meter
PV Connector
crimping tool
3mm Allen key for AC
connectors fixing screws
Electrician screwdriver
with insulated handles
Dowel insertion hammer
and Pencil
Digital
multimeter
Grounding
measuring tool
Torque
wrench
For
bricks
wall
Dielectric gloves
Wire stripper and
electrician scissor
Drill
with bits
3 dowel and
3 screws (6mm)

. 19 .
4. Installation
4.3 Mounting the Inverter
Figure 10 - Dimensions of mounting bracket
Once a suitable location has be found (accordingly to “4.1 Select a Location for the Inverter” at
page 16) using Figure 10 and Figure 11, mount the wall bracket to the wall.
The inverter must be mounted vertically. The steps to mount the inverter are listed below:
• Select the mounting height of the bracket and mark the mounting holes.
• Drill holes in the previously marked points using drill and suitable bit.
• Insert the dowells into the wall (if brick wall) and, with the help of the screwdriver and 3
screws,xthemountingbracket.
Locking screw
Suitable fixing screws
Bracket
Figure 11 - Fix bracket on the wall

. 20 .
4. Installation
WARNING.
The inverter must be mounted vertically.
• Lift up the inverter (be careful to avoid body strain) and align the back bracket on the inverter
with the convex section of the mounting bracket. Hang the inverter on the mounting bracket
and make sure the inverter is secure (see Figure 12).
• After positioning the inverter on the bracket, lock it with the screw supplied in the lower part
as shown in Figure 11.
Figure 12 - Wall Mounting Bracket
4.4 PV Input Terminal Assembly
Please ensure the following before connecting the inverter:
• Make sure the voltage of the PV string will not exceed the max DC input voltage (600V DC).
Violating this condition will void the warranty.
• Make sure the polarity of the PV connectors are correct.
• Make sure the DC-switch and AC-Grid are all in off-states.
• Make sure the PV resistance to ground is higher than 20K ohms.
The zeroCOsmall (3-6)K Series inverter uses the MC4 connectors.
Please follow the picture below (Figure 13) to assemble the MC4 connectors.
PV wire diameter requirements: 2,5 ~ 4 mm.