11
Connection between Outdoor Unit and Hydro-box
● Electrical Connection
Note:
As needed, the Hydro-box shall be installed with an air switch (or fuse) for protection against
short circuit and abnormal overload. Usually, this air switch is closed.
A circuit breaker to cut off the power supply of the entire system must be installed.
M
a
in
b
o
a
rd
N
O
u
td
o
o
r U
n
it
Terminal board
M
a
in
b
o
a
rd
L
L
N
PE
CN20
N
Terminal board
L
L
N
PE
1
2
Communication
wire
CN9
H
yd
ro
u
n
it
Fig. 8
External Wiring Diagram between Outdoor Unit and Hydro-box
Summary of Contents for GMV-Pds100W/Na-K
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