Must EP33-1012TLV, User Manual

Page: 7 / 20

-5-
Install the unit by screwing four screws
1-3K Inverter Case 4-6K Inverter Case
DC Wiring Suggestion
It is suggested to keep battery bank as close as possible to inverter. battery cable length 1m is suggested.
Please find following minimum wire size. If DC cable longer than 1 m, please use thicker battery cables to bear
power current going though.
Model Battery VoltageType Wire Type
1KW
1.5KW
2KW
3KW
5KW
6KW
6AWG
4AWG
2AWG
24VDC
12VDC
24VDC
12VDC
24VDC
12VDC
Model
6AWG
6AWG
4AWG
Battery Voltage Type Wire Type
3AWG
3AWG
48VDC
48VDC
48VDC
24VDC
6AWG
3AWG
4KW
2AWG
48VDC
24VDC
4AWG
Please connect cable size thicker enough, or connect several combined thin cables together to be same strong.
Battery bank should be kept close to inverter; The shorter and thicker cables, the better the system performance.
Please follow battery connection steps below:
Assemble battery ring terminal.
Connect all battery packs as units requires.
Battery cable and terminal size suggestion:
It's suggested to connect at least 100Ah capacity battery pack for 1KW-3KW models, at least 200Ah for 4KW-6KW
models.
NOTE: Please only use sealed lead acid battery or sealed GEL/AGM lead-acid battery.
Insert the ring terminal of battery cable into inverter to battery connector, make sure the bolts are tightened
with torque of 2-3Nm. Pay special attention to battery back and inverter are connected rightly, also ring
terminals are tightly screwed to the battery terminals.