Alpha ESS SMILE-B3-PLUS Installation Manual page 42

Your Smart Energy
7.5.2 Meter
Connection (Optional)
The system supports the following two different metering schemes in order to record
the feed-in energy and consumption from grid:
⚫ DTSU666-3*230V 5A: Three/single-phase meter (without CT)
⚫ DTSU666-100/40mA: Three/single-phase meter (with 3 or 6 CTs)
Meter wiring introduction
Loosen the waterproof connectors on the COM connection cover, and then remove
the screws for fixing the COM connection cover.
1. DSTU666-3*230V 5A: Three/single -phase meter (without CT) connection
Wiring at single-phase home
Wiring at three-phase home
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Alpha ESS Co., Ltd.
Page 42 of 69