4.4.2
Grounding
Requirements
(1) The air conditioner is classified
as a
Class I appliance, so its
grounding
must be reliable.
(2) The yellow-green line of the air conditioner is the
ground
and can not be used for
any
other purpose, cut off or
fixed by the tapping screw; otherwise it would cause
an
electric shock.
(3)
A
reliable
ground
terminal should be provided and the
ground
wire can not be connected to any of the following
items:
ķ
Running water pipe
ĸ
Coal gas pipe
Ĺ
Sewage pipe
ĺ
Other places where the professional personnel
think unreliable.
4.4.3 Electrical Cable Connection
1)
A
mistake connecting
the
line will result in
a
malfunction. After the electrical wiring
is
working, ensure
the wire
between the connection place and the fixed place has a certain
amount of space
.
2)
The connection piping and connection line of each indoor unit should connect well according to the instruction.
3)
The electric installation should be carried out by
a
technician instructed
in
the local laws, regulations and
this manual.
4)
The installation location should be dry,
shielded from
direct sunlight or strong
winds.
5)
Install
a breaker in the circuit that can shut off the
system's
main power supply.
Also install an
breaker
coupled with the leakage current protection switch must be equipped.
4.4.4 Wiring of the Power
Wire
(1). Open the side plate.
(2). Connect the power
wire
to terminals
Ā
L1
ā
,
Ā
L2
ā
and the
grounding screw.
Next,
connect the wiring
terminals
Ā
N(1),2,3
ā
of the indoor unit to the
corresponding outdoor unit terminals.
(3). Fix the power
wire
with wire clips.
(4).
Place
the power
wire
through the rubber ring.
If the supply
wire
is damaged, it must be replaced by the manufacturer or its service agent or a similarly
qualified person to avoid a hazard.
1
6
Specifications are subject to change without notice.
