Commission a Deye system in 5 minutes

Most Deye commissioning calls come down to the same five steps in the same order. Do them in sequence and a standard residential hybrid is energised in about five minutes.

1. Pre-checks (before you power anything)

• DC and AC isolators off. Confirm correct PV polarity and string voltage within the MPPT range for your model.
• Battery on and its breaker closed; communication cable seated in the BMS RS485 port (not the meter port).
• Smart meter / CT installed on the grid side of the connection point, arrow pointing towards the grid.

2. Power up and set the grid code

1. Close the battery breaker, then the DC isolator, then the AC.
2. On first power-up the inverter asks for a safety / grid standard — select AS/NZS 4777.2 and the correct region for the DNSP.
3. Set the export limit if the network requires one.

Setting the wrong region or grid code is the #1 cause of “won’t export” and nuisance-trip calls. Get this right before moving on.

3. Create the plant in DeyeCloud

1. In the DeyeCloud app, create (or open) the customer’s plant.
2. Add the data logger by its SN (printed on the logger label). See Connect a logger to Wi-Fi & DeyeCloud if it isn’t online yet.
3. Confirm the inverter and battery appear under the plant.

4. Configure the battery & working mode

• Set battery type (lithium / self-adaption to BMS) and confirm the max charge/discharge current matches the battery (e.g. AI-W5.1-B modules are 100 A nominal).
• Choose the working mode — self-consumption, time-of-use, or zero-export — and set the charge/discharge time periods (Deye supports six).

5. Energise & verify

• Confirm the LCD shows grid-tied, no active faults.
• In DeyeCloud, verify power flow direction: consuming load reads import (positive), exporting PV reads export (negative).
• If the signs look wrong, jump straight to Smart meter wiring — it’s almost always CT direction or an A/B swap.

That’s it. If anything stalls, the troubleshooting section covers the common faults by symptom.