13
02 Installation Instructions User Manual V1.5-2021-01-21
Reset
SMART METER
USB
L
N
Special adjustable settings
The inverter has eld adjustable setting like
tripping point, tripping time, reconnect time, active
and invalid QU/PU curves etc. They can be adjusted
using special rmware, please contact after-sales
for the special rmware and adjustment methods.
For a convenient maintenance, an SP3T switch
could be installed on Back-Up and On-Grid side.
Then it is adjustable to support load by Back-Up or
by grid or left alone.
Wi-Fi
Reset/Reload
SYSTEM
GRID
BACK-UP
ENERGY
COM
Wi-Fi
BATTERY
FAULT
2019
Grid
Ongrid
Back-Up
Loads
1
2
3
SP3T
1: Load is supplied from Back-Up side
2: Load is isolated
3: Load is supplied from grid side
Declartion for Back-Up overload protection
Inverter will restart itself if overload protection occurs. The preparation time for restarting will
extend (max one hour) if overload protection repeats. Take following steps to restart inverter
immediately:
• Decrease Back-Up load power within max limitation.
• On PV Master APP → Advanced Setting → Click "Reset Back-Up Overload History"
2.4.4 Smart Meter & CT Connections
The single-phase Smart Meter with 2 CTs or 3-phase in product box is compulsory for S-BP
system installation, used to detect grid voltage, current direction and magnitude, further to
instruct the operation condition of S-BP inverter via RS485 communication.
Make sure S-BP and grid-tied inverters are totally isolated from AC and DC power before
connecting Smart Meter and CT.
Single-phase Smart Meter & CT connection diagram
Three-phase Smart Meter & CT connection diagram
GM1000D
SBP
PV
Single-Phase
Grid-Tied Inverter
House → Grid
Load
CT1
Grid
Note:
1. The Smart Meter and CT are well congured, please do not change any setting of the Smart Meter.
2. CT must be connected to the same phase with Smart Meter power cable.
3. Do not connect CT2 to the power line when the CT2 is not in use.
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