SOLARMG OST-3-8K User manual

Quick Installation Guide
Hybrid Inverter
SOLARMG OST-3~8K
Hybrid Inverter
ENGLISH VERSION
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1 Installation
Pa 1
Installation
Pa 2
Electrical Connection
ACheck Packing List
User
Manual
Wall-mounting bracket
Monitoring device 1pcs 3m batte communication cable 1pcs
Batte terminal 1 pairs Meter with 3 CTs 1pcs
PE terminal 1pcs
COM2 connector set 1pcs
Expansion plug set
M5 screws
On-grid connector set (Blue) 1pcs
1pcs 5pcs
1pcs
Inveer 1pcs
PV terminal
SG-3~3.6K-30 1 pair / SG-4.2~8K-30 2 pairs
Back-up connector set (Black) 1pcs
10m meter communication cable 1pcs
CInstallation Space
300mm
500mm
500mm
300mm
User guide 3pcs
BInstallation Location
DInstallation Angle
ON-GRID
BACK-UP
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EMark the Position and Drill Holes FFix Wall Bracket
G Mounting Inveer HGrounding Terminal Connection
Pa 2
2 Electrical Connection
ACable Requirements
Cable types
Cable requirements
Outside diameter Conductor core section
AC cable
PV cable
Batte power cable
10.0-18.0 mm
5.9-8.8 mm
5.0-8.0 mm
2.5-10.0 mm²
2.5-4.0 mm²
10 mm²
AC Connector: Please distinguish the on-grid and back-up connector, On-grid connector is blue
and Back-up connector is Black.
Batte power cable: If the conductor core of the batte cable is too small, which may cause poor
contact between the terminal and the cable, please use the cable specified in the above table,
or contact SOLARMG to purchase terminals of other specifications.
Pa 1
Installation Electrical Connection
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Pa 2
BElectrical Wiring Diagram
Pa 1
Installation Electrical Connection
*Smart Meter consists of ACR10R and RMM. Define the cable connections for the meter based on
the actual meter model and refer to Meter Terminals Definition. This cable diagram is for reference
only.
002456 UTILITY METER
FOR BILLING
PURPOSES
UTILITY GRID
L N PE
Loads
CT
S1(Red)
S2(Yellow)
Smart Meter
Loads
Batte
To Batte
To Meter
PV Modules
AC Breaker
AC Breaker
AC Breaker
AC Breaker
*
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DMonitoring Device Installation
EMeter and CT Connection
CAC Connection
①
④
CT
L
N
N
S2
S1
②
Pa 2
Pa 1
Installation Electrical Connection
S1(Red)
S2(Yellow)
Allen Key
③
L
AC Breaker
002456 UTILITY METER
FOR BILLING
PURPOSES
UTILITY GRID
L
N
PE
CT
S1(Red)
S2(Yellow)
Smart Meter
To Meter
The direction of the arrow is
consistent with the direction
of the arrow inside the CT.
AC Breaker
10mm
50mm
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Meter Terminals Denition
FCommunication Connection
① ②
③ ④
Pa 2
Pa 1
Installation Electrical Connection
Press
No. Function
ACR10R RMM
1 L
L/N connect to grid to detect power grid voltage
2/
3/
4 N
5 L-S1
To detect the CT current and direction
6 L-S2
7/
8/
9/
10 /
11 / PE Ground connection
12 L / Power supplied from grid
13 N /
RS485 / /
RS485 RS485-2
ANT / /
LAN /
Type-C / Type-C
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Terminating resistor for
CAN(Parallel)
Terminating resistor for
RS485(EMS)
Pin Function
RJ45-1 RS 485 Communicate with Meter
RJ45-2 CAN Communicate with BMS
1 COM Multifunction Relay
2NO (Normally Open)
3-4 /
5 DRM4/8
DRED
For Australia and New Zealand
6 DRM3/7
7 DRM2/6
8 DRM1/5
15 COM D/0
16 REF D/0
11 Fast stop +
Fast stop
12 Fast stop -
13 485 B1 EMS
14 485 A1
17 CANL_P
18 CANH_P
19-20 /
Pin Denition Function
Reseed
9-10
Reseed
/Reseed
CAN for parallel connection of inveers
Connect the Meter and BMS Communication Cables
Open side
Pa 2
Pa 1
Installation Electrical Connection
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Connect Other Cables
Installing the COM Connector
Click
2.5+/-0.1N·m
①
②
③
Click
Wire Diameter
4-6.5mm
Cross-sectional Area
0.5~1.5mm2
55mm
8mm
Pa 2
Pa 1
Installation Electrical Connection
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GPV String Connection
7mm
+
-
7mm
HPower Cable of the Batte Connection
+
-
10mm
10mm
Pa 2
Pa 1
Installation Electrical Connection
PV Max. Input voltage is 550V without batte, or 500V with batte, otherwise inveer will be waiting.
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S.MG-QIG:OST 3HBS