Haier AS07ZS2ERA Operation Manual page 9

When connecting the cable after installing the indoor unit
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 before installing the indoor unit
●
Insert the cable from the back
●
Loosen the screws and insert
tighten the screws.
● make sure the cables have been properly inserted and
Pull the cable slightly to
tightened.
never fail to fasten the connected cable with the
●
After the cable connection,
wiring cover.
Note:
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.
AS07ZS2ERA
AS09ZS2ERA
Model
AS12ZS2ERA
AS18ZS2ERA
4G0.75mm
Connecting wiring
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
H05RN-F or H07RN-F.
2. If the fuse on PC board is broken please change it with the type of
T.3.15A/250VAC (Indoor).
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.
5
Power Source Installation
● The power source must be exclusively used for air
In the case of installing an air conditioner in a moist place,
●
an ea rth leakage breaker.
For installation in other places, use a circuit breaker as far
●
6
Cutting and Flaring Work of Piping
Pipe cutting is carried out with a pipe cutter and burs must be removed.
●
After inserting the flare nut, flaring work is carried out.
●
Flare tool for R410A
Clutch-type clutch-type(Rigid-type) Wing-nut type (Imperial-type)
A 0~0.5mm 1.0~1.5mm
Flare tooling die
3.Insert the flare nut
side of the unit, then pull it out on the front side.
the cable ends fully into terminal block, then
Indoor unit
To Outdoor unit
2
conditioner.
Conventional flare tool
1.5~2.0mm
1.Cut pipe 2.Remove burs
4.Flare pipe
Correct
On Drainage
7
●
Please install the drain hose so as to be downward slope without fail.
Please don't do the drainage as shown below.
●
It becomes
The end is imm-
high midway.
ersed in water.
● Please pour water in the drain pan of the indoor unit, and
drainage is carried out surely to outdoor.
●
In case that the attached drain hose is in a room, please
insulation to
On Drainage
8
C ode
T rouble des c ription
indic ation
Room temperature
E 1
sensor failure
H eat-exc hange
E 2
s ens or failure
Indoor E E P R O M
E 4
error
C om m unic ation
fault betw een
E 7
indoor and outdoor
units
Indoor fan m otor
E 14
m alfunc tion
9 Check for Installation and Test Run
please install
Please kindly explain to our customers how to
■
as possible.
operate through the instruction manual.
Gas leak from pipe connecting?
Heat insulation of pipe connecting?
Are the connecting wirings of indoor and outdoor firmly
inserted to the terminal block?
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?
Incorrect
Lean
Damage of flare Crack
Less than
It waves.
The gap with the
ground is too small.
it without fail.
A nalyze and diagnos e
F aulty c onnec tor c onnec tion;
F aulty therm is tor;
F aulty P C B ;
F aulty E E P R O M data;
F aulty E E P R O M ;
F aulty P C B ;
Indoor unit- outdoor unit s ignal
trans m is s ion error due to w iring
error;
F aulty P C B ;
O peration halt due to break ing
of w ire ins ide the fan m otor;
O peration halt due to break ing
of the fan m otor lead w ires ;
D etec tion error due to faulty
indoor unit P C B ;
Check Items for Test Run
Put check mark in boxes
Partial Too outside
5cm
There is the bad
smell from a ditch
confirm that
apply heat
7