1. Insert from outside the room cable into left side of the wall
hole, in which the pipe has already existed.
2. Pull out the cable on the front side, and connect the cable
making a loop.
When connecting the cable, confirm the terminal number of indoor and
outdoor units carefully. If wiring is not correct, proper operation can not
be carried out and will cause defect.
Insert the cable from the back
side of the unit, then pull it out
on the front side.
Loosen the screws and insert
the cable ends fully into
terminal block, then
tighten the screws.
Pull the cable slightly to
make sure the cables have
been properly inserted and
tightened.
After the cable connection,
never fail to fasten the connected cable with the
wiring cover.
When connecting the cable after installing the indoor unit
When connecting the cable before installing the indoor unit
Note:
1. If the supply cord is damaged, it must be replaced by the manufacturer or its
service agent or a similar qualified person. The type of connecting wire is
H07RN-F.
2. If the fuse on PC board is broken please change it with the
type of
3. The wiring method should be in line with the local wiring standard.
4. After installation, the power plug should be easily reached.
5. A breaker should be incorporated into fixed wiring. The breaker should be
all-pole
switch and the distance between its two contacts should be not less
than 3mm.
T.3.15A/250VAC (Indoor).
To Outdoor unit
Connecting wiring
4G1.0mm
2
C ode
ind ic atio n
Tro uble description
Ana lyze and diag nos e
E1
E2
E4
E7
E14
H eat-exchange
sens or failure
Indoor EE P R O M
error
C om m unication
fault betw een
indoo r and outdoor
units
Indoor fan m otor
m alfunction
O peration halt due to breaking
of w ire ins ide the fan m otor;
O peration ha lt due to breaking
of the fan m otor lead w ires;
D ete ction error du e to faulty
indoo r unit P C B ;
Indo or unit- outdoo r unit sign al
tran sm ission error du
e to w iring
error;
Faulty PC B ;
Faulty EE P R O M data;
Faulty EE P R O M
;
Faulty PC B;
Faulty connector connectio n;
Faulty therm istor;
Faulty PC B;
Room temperature
sensor failure
The power source must be exclusively used for air
conditioner.
In the case of installing an air conditioner in a moist place,
please install
an ea
For installation in other places, use a circuit breaker as far
as possible.
Pipe cutting is carried out with a pipe cutter and burs must be removed.
After inserting the flare nut, flaring work is carried out.
Power Source Installation
Cutting and Flaring Work of Piping
Flare tool for R410A Conventional flare tool
Clutch-type clutch-type(Rigid-type) Wing-nut type (Imperial-type)
A 0~0.5mm 1.0~1.5mm 1.5~2.0mm
rth leakage breaker.
Lean
Damage of flare Partial Too outside
tcerrocnItcerroC
On Drainage
It becomes
high midway.
The gap with the
ground is too small.
There is the bad
smell from a ditch
It waves.
The end is imm-
ersed in water.
Please install the drain hose so as to be downward slope without fail.
Please don’t do the drainage as shown below.
Please pour water in the drain pan of the indoor unit, and
is carried out surely to outdoor.
In case that the attached drain hose is in a room, please
apply heat
insulation
to
Less than
5cm
confirm that
drainage
it without fail.
Crack
Indoor unit
Check Items for Test Run
Gas leak from pipe connecting?
Heat insulation of pipe connecting?
Are the connecting wirings of indoor and outdoor firmly
Is the connecting wiring of indoor and outdoor firmly fixed?
Is drainage securely carried out?
Is the earth line securely connected?
Is the indoor unit securely fixed?
Is power source voltage abided by the code?
Is there any noise?
Is the lamp normally lighting?
Are cooling and heating (when in heat pump) performed normally?
Is the operation of room temperature regulator normal?
Please kindly explain to our customers how to
operate
through the instruction manual.
inserted to the terminal block?
Put check mark in boxes
Flare tooling die
1.Cut pipe
2.Remove burs
3.Insert the flare nut
4.Flare pipe
On Drainage
Check for Installation and Test Run
13
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