Figure 5-2 Cable connection diagram: external CT connection (current > 63 A)
(A) Inverter (B) Residential load (C) Router
(D) Charger (E) Power grid (F) Main circuit breaker
(G) SG Ready heat pump (H) External WLAN
antenna
(I) External CT
Table 5-1 Recommended cable specications
Item
Name Type Conductor Cross-
Sectional Area
Source
AC_IN
AC_OUT
AC input
power cable
AC output
power cable
Outdoor copper
cable
(temperature
resistance ≥
90°C)
● Internal CT
connection: 16
mm
2
● External CT
connection: 6
mm
2
to 16
mm
2
Prepared
by the
customer
EMMA-(A01, A02)
User Manual 5 Electrical Connections
Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd. 27
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