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Global Mainstream Dynamic Energy Technology Ltd.
- 26 -
User Manual
GHESS 9.8-14.4-TH hybrid system
Terminal Box on
the Battery
Cabinet
BAT+
BAT-
COM RS
485
To Inverter
Output
To Load
To
Grid
CAN
Inverter terminal
interfaces
PV1
BAT
AS BOX
AC GRID
RS 485
CAN
DC Switch
ON
OFF
Ethernet
WIFI
PV2
Figure 21 Main system connection interfaces
Ensure the DC switch on the inverter is switch off and the DC breakers inside Battery Cabinet
turn off.
Follow these steps to finish the electrical and communication connection of this system (from
DC to AC side, from electrical wiring to communication connection) :
1. Inserter MC4 ports from PV array into “PV1+, PV1-, PV2+, PV2- “ports on Powervortex 309KTL
inverter;
2. Connect the “BAT+”,”BAT-“ port between Powervortex 309KTL inverter and Terminal Box with
D4 (DC cable terminated with MC4 ports)
3. Connect the “AC GRID” port on Powervortex 309KTL inverter to “To Inverter Output” port on
the Terminal Box with D3 (AC cable terminated with aviation plugs)
4. Connect public grid and grid-tied loads (distribution box) to “To Grid” port on the Terminal Box