Preparing Cables; Connecting Additional Grounding; Ac Connection - Alpha ESS SMILE-T10-HV Installation Manual

ELECTRICAL CONNECTION
7.1.2 Overview of the Battery Pack Connection Area
BAT+ Connectors
BAT- Connectors
Grounding
Communication Connectors
Battery Breaker
Battery Power Button
The battery breaker is switched off when shipped.

7.2 Preparing Cables

7.2 Preparing Cables
No. Cable Type
Standard PV cable in the
Battery
1
industry (recommended
Power cable
model: PV1-F)
Standard Network cable in the
Battery
industry (recommendedtype:
2
communic-ation
Cat5e, UTP, UV-resistant for
cable
outdoor use)
Standard PV cable in the
PV power
industry (recommended
3
cable
type: PV1-F)
Standard Network cable in the
Signal
industry (recommended
4
※1
cable
type: Cat5e, FTP, UV-resistant
for outdoor use)
Signal
multiple-core outdoor shielded
5
2
※
cable
twisted pair cable
AC power Five-core (L1, L2, L3, N,
6
and PE) outdoor copper cable
cable
Single-core outdoor
7 PE cable copper cable with an M5
OT terminal
※1 For CAN/RS485, LAN, Meter, DRM communication connection with inverter.
※2 For AUX communication connection with inverter
Battery Breaker
Outer
Conductor Cross
Source
Diameter
Section Area Range
Delivered
6 ～ 10 mm 8.1 ~10.2
2
with the
mm
battery pack
Delivered with
0.12 ～ 0.2 mm
2
4~6 mm
the battery
(AWG26~AWG24)
pack
Purchased
4 ～ 6 mm 5.5~9 mm
2
by the installer
0.12 ～ 0.2 mm Purchased
2
4~6 mm
(AWG26~AWG24) by the installer
Purchased
0.1 ～ 1.3 mm 4~6 mm
2
by the installer
Purchased
4 ～ 6 mm 12~16 mm
2
by the installer
Purchased
4 ～ 10 mm
2 N/A
by the installer
30 31

7.3 Connecting Additional Grounding

An external grounding connection is provided at the bottom sides of the inverter.
Prepare M5 OT terminals, strip the grounding cable insulation, insert the stripped part of
the grounding cable into the ring terminal lug and crimp using a crimping tool.
Connect the OT terminal with grounding cable using the torque is 3 Nm with tool of T20
screwdriver.
M5*10 Screw (×3)
An external grounding connection is provided at the left side of battery pack. Prepare and
connect grounding connection as above. The Battery Pack and the inverter need to be
grounded.
M5*10 Screw (×2)
M5
T20
2.5 N·M

7.4 AC Connection

7.4.1 Conditions for the AC Connection
An AC breaker must be installed on the AC side of the inverter to ensure that the inverters
can be safely disconnected from the power grid and the load.
DANGER
Danger to life due to fire!
You must protect each inverter with an individual AC circuit breaker in order to en-sure that the
inverter can be disconnected safely.
ELECTRICAL CONNECTION
M5
T20
2.5 N·M