Haier AU282XHERA User manual

R410A MULTI SPLIT SERIES ROOM AIR CONDITIONER
OUTDOOR UNIT
INSTALLATION MANUAL
AU282XHERA
AU342XHERA
Please read this manual carefully before installing the units.
Please keep this manual safely for future use.
NO.0010577255
A

Cautions .......................................................................................................................
Safety precautions........................................................................................................
Installation accessories..................................................................................................
Choose the installation place.........................................................................................
Installation dimensions(mm)..........................................................................................
Installation drawings of indoor and outdoor units........................................................
Matching of the indoor and outdoor units......................................................................
Power source.................................................................................................................
Limitations on the installation......................................................................................
Refrigerant piping work...........................................................................................
Purging method: to use vacuum pump.........................................................................
Wiring work...............................................................................................................
Test running..................................................................................................................
Items to confirm...........................................................................................................
Trouble shooting...........................................................................................................
1-2
3-4
4
4
4
5
6-7
8
8-9
10-11
12
13-15
16
16
17
Contents

Cautions
1
Disposal of the old air conditioner
Before disposing an old air conditioner that goes
out of use, please make sure it's inoperative and
safe. Unplug the air conditioner in order to avoid
the risk of child entrapment.
It must be noticed that air conditioner system
contains refrigerants, which require specialized
waste disposal. The valuable materials contained
in a air conditioner can be recycled. Contact your
local waste disposal center for proper disposal of
an old air conditioner and contact your local
authority or your dealer if you have any question.
Please ensure that the pipework of your air
conditioner does not get damaged prior to being
picked up by the relevant waste disposal center,
and contribute to environmental awareness by
insisting on an appropriate, anti-pollution method
of disposal.
Disposal of the packaging of your new air
conditioner
All the packaging materials employed in the
package of your new air conditioner may be
disposed without any danger to the environment.
The cardboard box may be broken or cut into
smaller pieces and given to a waste paper disposal
service. The wrapping bag made of polyethylene
and the polyethylene foam pads contain no
fluorochloric hydrocarbon.
Consult your local authorities for the name and
address of the waste materials collecting centers and
waste paper disposal services nearest to your house.
Safety Instructions and Warnings
Before starting the air conditioner, read the
information given in the User's Guide carefully. The
User's Guide contains very important observations
relating to the assembly, operation and maintenance
of the air conditioner.
The manufacturer does not accept responsibility for
any damages that may arise due to non-observation
of the following instruction.
Damaged air conditioners are not to be put into
operation. In case of doubt, consult your supplier.
Use of the air conditioner is to be carried out in
strict compliance with the relative instructions set
forth in the User's Guide.
Installation shall be done by professional people,
don't install unit by yourself.
All these valuable materials may be taken to a waste
collecting center and used again after adequate
recycling.
For the purpose of safety, the air conditioner must
be properly grounded in accordance with
specifications.
Always remember to unplug the air conditioner
before opening inlet grill. Never unplug your air
conditioner by pulling on the power cord. Always
grip plug firmly and pull straight out from the outlet.

4. The wiring method should be in line with the local
wiring standard.
5. The power cable and connecting cable are self-
provided. All the cables shall have got the local
authentication certificate. During installation, when
the connecting cables break off, it must be assured
that the grounding wire is the last one to be broken
off.
6. The breaker of the air conditioner should be all-
pole switch; and the distance between its two contacts
should be no less 3mm. Such means for disconnection
must be incorporation in the fixed wiring.
7. The waste battery shall be disposed properly.
2
All electrical repairs must be carried out by
qualified electricians. Inadequate repairs may result
in a major source of danger for the user of the air
conditoiner.
Do not damage any parts of the air conditioner
that carry refrigerant by piercing or perforating the
air conditioner's tubes with sharp or pointed items,
crushing or twisting any tubes, or scraping the
coatings off the surfaces. If the refrigerant spurts
out and gets into eyes, it may result in serious eye
injuries.
Do not obstruct or cover the ventilation grille of
the air conditioner. Do not put fingers or any other
things into the inlet/outlet and swing louver.
Do not allow children to play with the air
conditioner. In no case should children be allowed
to sit on the outdoor unit.
Specifications
The refrigerating circuit is leak-proof.
1. Applicable ambient temperature range:
The machine is adaptive in following
situation
2. If the supply cord is damaged, it must be replaced
by the manufacturer or its service agentor a similar
qualified person.
3. If the fuse on PC board is broken please change it
with the type of T 3.15A /250VAC or T 25A/250VAC.
Please check the circuit diagram about the fuse
replaced.
Cautions
Cooling
Heating
Indoor
Outdoor
Indoor
Outdoor
Maximum:D.B/W.B 32 C/23 C
Minimum:D.B/W.B 18 C/14 C
Maximum:D.B 43 C/26 C
Minimum:D.B
Maximum:D.B 27 C
Minimum:D.B 20 C
Maximum:D.B/W.B 24 C/18 C
Minimum:D.B/W.B -15 C
10 C/6 C

3
Safety precautions
All units shall be earthed. The earth must not be connected to a gas pipe, water pipe, or telephone
line. Poor earthing could cause electric shock.
Be sure to install a circuit breaker to avoid electric shock.
Arrange water drainage according to this manual. Cover pipe with insulation materials to prevent
condensation occuring. Improper installation of water drainage will cause water leakage.
WARNING
Installation work must be carried out by professional qualified people, do not install the unit by
yourself. Incorrect installation will cause water leakage, electric shock and potentially fire.
Install the unit as per the manual. Incorrect installation will cause water leakage, electric
shock or fire risk.
Be sure to use specified accessories and parts. Otherwise, water leakage, electric shock, fire risk
or unit falling down may occur .
Mounting position must be strong enough to hold the unit. Or, the unit will potentially fall down
causing injuries.
When installing the unit, take in consideration storms and high winds. Incorrect installation may
cause the unit to fall down.
All electric work should be carried out by experienced personnel as per current regulations and
this manual. Incorrect installation or undersized electric cable may cause electric shock or fire risk.
All circuits must be earthed. Ensure that no external forces will affect the terminal block and electric
cable. Poor wiring and installation may cause fire risk.
Arrange wire connection between connecting the indoor and outdoor power supply correctly. Fix
terminal cover firmly to avoid overheating, electric shock or even fire risk.
In the case of a refrigerant leakage during unit installation, keep the room well ventilated.
Check the unit upon installation. Be sure there is no leakage. Refrigerant will induce a poisonous
gas subject to heat.
Isolate power supply before touching terminal block.
WARNING
To ensure proper installation, please read this safety precautions carefully before the installation. After
installation, start the unit correctly and ensure that you show the customer how to operate and maintain
the units.
WARNING!
CAUTION! Incorrect operations may result in injuries or machine damages; in some cases may
cause serious consequences.
Incorrect operations may result in severe consequences of death or serious injuries.
To maintain good picture or reduce noise, keep the unit at least 1m from T.V. or radio,
when installing the communication wire and power supply. (If the radio wave is relatively strong,
1m is not enough to reduce the interference).
Do not install the unit in following places:
(a) Oil mist or oil gas exists, such as kitchen, or, plastic parts may age, or water leakage.
(b) Where there is corrosive gas. Copper tube and welded part may be damaged due to corrosion
causing leakage.

4
(c) Where there is strong radiation. It will affect the unit's control system, causing malfunction of the unit.
(d) Where there are flammable gas, dirt, and volatile matter (thinner, gasoline) exist, these items will cause
a fire risk.
The following accessories are supplied together with the outdoor unit.
580
185
185
380
416
Safety precautions
Installation dimensions(mm)
Place, robust not causing vibration, where the body can be supported sufficiently.
Place, not affected by heat or steam generated in the vicinity, where inlet and outlet of the unit are not
disturbed.
Place, possible to drain easily, where piping can be connected with the outdoor.
Place,where cold air can be spread in a room entirely.
Place, nearby a power receptacle, with enough space around.(Refer to drawings).
Place, where the distance of more than 1m from televisions, radios, wireless apparatuses and fluorescent
lamps can be left.
In the case of fixing the remote controller on a wall, place where the indoor unit can receive signals when
the fluorescent lamps in the room are lightened.
Choose the installation place
No.
1
2
3
Quantity
1
4
1
Name of parts
Drainage elbow
Rubber cushion
Clap
Drawing
Installation accessories
950
830
1068
340

5
1. Do not connected the embedded branch piping and the outdoor unit when only carrying out piping work
without connecting the indoor unit in ordor to add another indoor unit later. Make sure no dirt or mositure
gets into eigher side of the embedded branch piping.
2.It is impossible to connect the indoor unit for one room only. Be sure to connect at least 2 rooms.
Installation drawings of indoor and outdoor units
If there is the danger of the unit falling or overturning, fix the unit with foundation bolts, or with wire or
other means.
If the location does not have good drainage, place the unit on a level mounting base(or a plastic pedestal).
Install the outdoor unit in a level position. Failure to do so may result in water leakage or accumulation.
More than 5cm
More than 10cm
Attention must be
paid to the rising up
of drain hose
Wrap the insulation pipe with the finishing
tape from bottom to top.
Cut thermal insulation pipe to an
appropriate length and wrap it with tape,
making sure that no gap is left in the
insulation pipe's cut line.
more than 10cm
more than 10cm
more than 60cm
more than 25cm
Arrangement of piping directions
Rear left
Rear right
Right
Below
Left

6
Matching of the indoor and outdoor units
Remark
07
09
12
12
14
14
18
07
07
07
07
07
07
07
09
09
09
09
09
09
12
12
12
12
12
14
07
07
07
07
07
07
07
07
07
07
07
07
07
09
09
09
09
09
09
AB
18
18
14
18
14
18
18
07
07
07
09
09
09
09
09
09
09
09
12
12
12
12
12
14
14
14
07
07
07
07
07
07
07
07
07
09
09
09
09
09
09
09
09
09
12
C
-
-
-
-
-
-
-
12
14
18
09
12
14
18
09
12
14
18
12
14
12
14
18
14
18
14
07
07
07
07
07
09
09
09
09
09
09
09
09
09
09
09
12
12
12
D
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
07
09
12
14
18
09
12
14
18
09
12
14
18
09
12
14
12
14
12
-
-
-
-
-
-
*
-
-
-
-
-
-
*
-
-
-
*
-
*
*
*
*
*
*
*
-
-
-
*
*
-
-
*
*
-
*
*
*
*
*
*
*
*
*
Combination
1:2
1:3
1:4
WARNING!
Combinations those marked * would not be applied where the temperature in winter is too low and in
summer is too higher to avoid bad heating or cooling effect.
For AU282XHERA

7
Matching of the indoor and outdoor units
Remark
12
14
14
18
07
07
07
07
07
09
09
09
09
09
09
12
12
12
12
12
14
14
07
07
07
07
07
07
07
07
07
07
07
07
07
07
07
07
07
09
09
09
09
09
09
09
12
AB
18
14
18
18
07
07
09
09
09
09
09
09
09
12
12
12
12
12
14
14
14
14
07
07
07
07
07
07
07
07
07
07
07
09
09
09
09
09
09
09
09
09
09
09
09
12
12
C
-
-
-
-
14
18
12
14
18
09
12
14
18
12
14
12
14
18
14
18
14
18
07
07
07
07
09
09
09
09
12
12
14
09
09
09
09
12
12
09
09
09
09
12
12
12
12
D
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
09
12
14
18
09
12
14
18
12
14
14
09
12
14
18
12
14
09
12
14
18
12
14
12
12
-
-
-
*
-
-
-
-
-
-
-
-
*
-
-
*
*
*
*
*
*
*
-
-
-
*
-
-
*
*
*
*
*
-
*
*
*
*
*
*
*
*
*
*
*
*
*
Combination
1:2
1:3
1:4
For AU342XHERA

8
Outdoor unit capacity class
Piping to each indoor unit
Total length of liquid piping between all units
AU282XHERA AU342XHERA
25m max.
60m max.
2.Selecting a location for installation of the indoor units
1.Precautions on installation
Before inserting power plug into receptacle, check the voltage without fail. The power source is the
same as the corresponded name plate.
Install an exclusive branch circuit of the power.
A receptacle shall be set up in a distance where the power cable can be reached. Do not extend the
cable by cutting it.
Power source
Limitations on the installation
The maxinum allowable length of refrigerant piping, and the maxmum allowable height
difference between the outdoor and indoor units, are listed below.
(The shorter the refrigerant piping, the better the performance. Connect so that the
piping is as short as possible. Shortest allowable length per room is 3m)
Check the strength and level of the installation ground so that unit will not cause any operating vibration
or noise after installation.
In accordance with the foundation drawing in fix the unit securely by means of the foundation bolts.
It is best to screw in the foundation bolts unit their length are 20 mm from the foundation surface.