SMA America, LLC
Wiring the Sunny Boy
Installation Guide
SB20_25_30HFUS-eng-IUS113711
61
Connecting the AC cable of the power distribution grid and connecting the
power supply of the fan
4. Connect the L1 wire of the power distribution grid
to the terminal (E).
5. Connect the L2 wire of the power distribution grid
to the terminal (F).
6. Connect the AC equipment ground wire from the
power distribution grid to terminals (G).
7. If there is a neutral electic conductor from the
power distribution grid: Connect the neutral
conductor from the power distribution grid to
terminal (D).
Connecting the power supply of the fan
8. Plug in the plug of the fan into socket (A). A click sound can be heard by propper connection.
Pull the fan plug slightly to ensure mechanical connection.
☑ The Sunny Boy is connected and grounded on the AC side. Fan power supply is connected.
iring
rmation see manual)
One and Two String Wiring
(for more strings and further information see manual)
e Grounding
Negative Grounding
Positive Grounding
ROUNDED
UNGROUNDED
OUNDED
GROUNDED
GROUNDED
UNGROUNDED
UNGROUNDED
OUNDED
GROUNDED
GROUNDED
minal
Terminal
=
~
Terminal
Terminal
=
~
cing -
Facing -
L1
N
L2
+
L1 L2
N
N
L1 L2
+
+
D E
A
F
C
B
G
Содержание sunny boy 2000hf-us
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