Haier AD842AHEAA Installation and operating instructions

Operation manual
Installation manual
DUCT TYPE AIR CONDITIONER
Please read this operation manual before using the air conditioner.
Please keep this manual carefully and safely.
AD842AHEAA
AU84 ATEAA
o. 0150504624 B

Heating Mode 7-7
Care and Maintenance 8-8
Troubleshooting 9-11
Is the Unit Installed Correctly
12-12
13-13
Safety Precautions 3-5
Parts and Functions 6-6
Cautions 2-2
Installation Procedure 14-25
Precaution for Installation
Contents
1

Cautions
2
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 our 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.
All these valuable materials may be taken to a waste collecting center and used again after adequate recycling.
Consult your local authorities for the name and address of the waste materials collecting centers and waste paper disposal
services nearest to your house.
Safet Instructions and Warnings
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.
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. ever unplug your air conditioner by pulling on
the power cord. Always grip plug firmly and pull straight out from the outlet.
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.
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.

Before starting to use the system, read carefully this"SAFETY PRECAUTIO S" to ensure a proper operation of the system.
Safety precautions described here are classified to " WAR I G" and " CAUTIO ". Precautions which are shown
in the column of " WAR I G" means that an improper handing could lead to a grave result like a death, serious injury,
etc. However, even if precautions are shown in the column of " CAUTIO ", a very serious problem could occur depending
on situation. Make sure to observe these safety precautions faithfully because they are very important information to ensure
the safety.
Symbols which appear frequently in the text have following meanings.
Strictly prohibited. Provide a positive grounding.Observe instructions faithfully.
When you have read through the manual, keep it always at hand for read consultation. If the operator is replaced, make
sure to hand over this manual to the new operator.
ON
OFF
CAUTIONS FOR INSTALLATION
The system should be applied to places as office,
restaurant, residence and the like.
The system should be installed by your dealer or
a professional installer.
When you need some optional devices such as a
humidifier, electric heater, etc., be sure to use the
products which are recommended by us. These
devices should be attached by a professional
installer.
Application to inferior environment such as an
engineering shop, could cause equipment
malfunction and serious injury or death.
Installation by yourself is not encouraged because
it could cause such problems as water leakage,
electrical shock or fire accident by some improper
handing.
Installation by yourself is not encouraged because
it could cause such problems as water leakage,
electrical shock or fire accident by some improper
handing.
Do not install nearby the place where may have
leakage of flammable gas.
Depending on the place of installation, a circuit
breaker may be necessary.
Drain pipe should be arranged to provide a positive
draining.
If the gas leakes and gathers around, it may cause
the fire.
Unless the circuit breaker is installed, it could
cause elecrical shocks.
Where strong winds may prevail, the system should
be fixed securely to prevent a collapse.
Install on the place where can endure the weight
of air conditioner.
Make sure the system is grounded.
If the pipe is arranged improperly, furniture or the
likes may be damaged by leaked water.
Bodily injury could result by a collapse. Bodily injury could result by a careless installation. Grounding cable should never be connected to a
gas pipe, city water pipe, lightning conductor rod
or grounding cable of telephone. If the grounding
cable is not set properly, it could cause electric
shocks.
CAUTION
CAUTIONS FOR TRANSFER OR REPAIR
Modification of the system is strictly prohibited. When the system needs a
repair, consult your dealer.
When the air conditioner is relocated, contact your dealer or a professional
installer.
Improper practice of repair could cause water leakage, electric shock or fire. Improper practice of installation could cause water leakage, electric shock
or fire.
WARNING
Safet Precautions
3
WARNING

CAUTIONS FOR OPERATION
You should refrain from exposing your body directly
to cool wind for a long time.
Do not poke the air inlet or outlet with a bar, etc. When any abnormal condition (scorching smell or
others) is found, stop the operation immediately
and turn off the power switch. Then consult your
dealer.
It could affect your physical condition or cause
some health problems.
Since the internal fan is operating with a high
speed, it could cause an injury.
If you continue the operation without removing the
cause, it could result in a trouble, electric shock
or fire.
The system should never be used for any other
purposes than intended such as for preservation
of food, flora and fauna, precision devices or work
of art.
Do not handle switches with a wet hand. Combustion apparatus should not be placed
allowing a direct exposure to wind of air conditioner.
Incomplete combustion could occur on the apparatus.It could cause electric shocks.It could cause deterioration of food or other problems.
WARNING
CAUTION
Do not wash the air conditioner with water. Do not install the system where the air outlet
reaches directly the flora and fauna.
Make sure to use a fuse of proper electric rating.
Do not operate the system while the air outlet grill
is removed.
It is strictly prohibited to place a container of
combustible gas or liquid near the air conditioner
or to spray it directly with the gas or liquid.
either stand on the air conditioner nor place
something on it.
Do not use the power switch to turn on or off the
system.
Do not touch the air outlet section while the swing
louver is operating.
Do not use such equipment as a water heater, etc.
around the indoor unit or the wire controller.
ON
OFF
It could cause electric shocks. It will not be good for their health.
Use of steel or copper wire in place of a fuse is
strictly prohibited because it could result in a trouble
or fire accident.
There is a risk of injury.It could cause a fire accident.There are risks of falling or injury by collapsed object.
It could cause a fire or water leakage. There is a risk of injury.
If the system is operated at the vicinity of such
equipment which generates steam, condensed
water may drip during cooling operation or it could
cause a fault current or short-circuit.
When operating the system simultaneously with
a combustion apparatus, indoor air must be
ventilated frequently.
Check occasionally the support structure of the
unit for any damage after a use of long period of
time.
Insufficient ventilation could cause an oxygen
deficiency accident.
If the structure is not repaired immediately, the
unit could topple down to cause a personal injury.
When cleaning the system, stop the operation
and turn off the power switch.
Do not put water containers on the unit such as a
flower vase, etc.
Cleaning should never be done while the internal
fans are running with high speed.
If the water enters into the unit and damages the
electric insulation material, it may cause electric
shock.
Do not place any objects on or climb on the unit.
Do not try to repair or reconstruct by yourself.
Safet Precautions
4

1. Applicable ambient temperature range:
The machine is adaptive in following situation
Cooling
Heating
Indoor
Indoor
Outdoor
Outdoor
Maximum:
Minimum:
Maximum:
Minimum:
Maximum:
Minimum:
Maximum:
Minimum:
D.B / W.B
D.B / W.B
D.B / W.B
D.B / W.B
D.B / W.B
D.B
D.B
D.B
32 C / 23 C
18 C / 14 C
43 C / 26 C
15 C
27 C
15 C
24 C / 18 C
-7 C / -8 C
2. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similar qualified person.
3. If the fuse on indoor unit PC board is broken, please change it with the type of T. 3.15A /250V.
If the fuse on outdoor unit PC board is broken, please change it with the type of T. 6.3A /250V.
4. The wiring method should be in line with the local wiring standard.
5. The power cable and connecting cable are self-provided.
The power cable should be 5G 6.0mm2 .
The connecting cable should be 4G 1.5mm2.
All the cables shall have got the European authentication certificate. During installation, when the connecting cables
break off, it must be assured that the grouding 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 than 3mm.
7. The indoor unit installation height is at least 2.5m.
Installation and maintenance must be meet the local installation and maintenance instructions and should operate by the
experienced special installation and maintenance technicians. Otherwise we dont take any duty of the units damage or
injure to the person caused by improper operation.
NOTE:
1.The sharp edges and corners and coil surface have the danger to injury. Please avoid of them.
2.Its very danger to remove the units and power supply wire, because it can cause injury and death. Cut off all the power
supply before maintenance.
WARNING!
Safet Precautions
5

Indoor Unit
Duct
Duct
Drain pipe
Air outlet
Air inlet
Air outlet
Air inlet
Air inlet
Outdoor Unit
Parts and Functions
6

"HOT KEEP" is operated in the following cases.
When heating is started:
In order to prevent blowing out of cool wind, the indoor unit fan stopped according to the room temperature which heating
operation is started. Wait for approx. 2 to 3 minute, and the operation will be automatically changed to the ordinary heating
mode.
Defrosting operation (in the heating mode):
When it is liable to frost, the heating operation is stopped automatically for 5 to 12 minutes once per approx. one hour,
and defrosting is operated. After defrosting is completed, operation mode is automatically changed to ordinary heating
operation.
When the room thermostat is actuated:
When room temperature increases and room temperature controller actuates, the fan speed is automatically
changed to stop under low temperature condition of indoor heat exchanger. When room temperature
decreases, air conditioner automatically changes over to ordinary heating operation.
Heat pump type warming
With the heat pump type warming, the mechanism of heat pump that concentrate heat of outdoor air with the help of
refrigerant to warm the indoor space, is utilized.
Defrosting operation
When a room is warmed with a heat pump type air conditioner, frost accumulates on the heat exchanger of outdoor unit
along with the drop of indoor temperature. Since the accumulated frost reduces the effect of warming, it is necessery to
automatically switch the operation to the defrosting mode. During the defrosting operation, heating operation is interrupted.
Atmospheric temperature and warming capacity
Warming capacity of heat pump type air conditioner decreases along with the drop of outdoor temperature.
When the warming capacity is not sufficient, it is recommended to use another heating implement.
Period of warm-up
Since the heat pump type air conditioner employs a method to circulate warm winds to warm
the entire space of a room, it takes time before the room temperature rises.
It is recommendable to start the operation a little earlier in a very cold morning.
Heating Mode
7
"HOT KEEP" function
Warming Operation

Points to observe
Turn off the power supply switch. Do not touch with wet hand. Do not use hot water or volatile liquid.
ON
OFF
Thinner Do not
use!
Benzine
Tooth powder
Clean the air filter
1.Clean the air filter by lightly tapping it or with the cleaner. It is more effective to clean the
air filter with water.
If the air filter is very dirty, dissolve neutral detergent in the lukewarm water (approx. 30 C),
rinse the air filter in the water, and thoroughly wash the air filter off the detergent in the plain
water.
2. After drying the air filter, set it up on the air conditioner.
CAUTIO
Do not dry the air filter with fire.
Do not run the air conditioner without the air filter.
Do not open the inlet grill until fan stops completely.
Fan will continue rotating for a while by the law of inertia after operation is being stopped.
CAUTIO
Pre-Season Care
See that there are no obstacles blocking the air inlet and air outlet of both indoor and outdoor units.
Make sure that the air filter is not dirty.
Cut in the power supply switch 12 hours before starting run.
Post-Season Care
Operate the unit with FA mode on a fair day for about half a day to dry the inside of the unit well.
Stop operation and turn off the power supply switch. Electric power is consumed even the air conditioner is in stop.
Clean the air filter and set it in the place.
Care and Cleaning of the unit
Clean with soft and dry cloth.
If it is very dirty, dissolve neutral detergent in the lukewarm water and make the cloth wet with the water.
After wiping, clean off the detergent using clean water.
Care and Maintenance
8

Please check the following things about our air conditioner before making a service call.
Unit fails to start
O
OFF
Is the power source switch
adjust cut in?
Is city supply power in normal? Isn't the signal receiving
section exposed to the direct
sunlight or strong illumination?
Isn't the earth leakage breaker
in action?
It is dangerous. Turn off the
power supply switch
immediately and contact the
sales dealer.Power supply switch is not O .
Cooling or heating is not sufficient
Is the thermostat adjust as
required?
Isn't the air filter dirty? Isn't any doors or windows
left open?
Doesn't any obstacle exist at
the air inlet or outlet?
Cooling is not sufficient
Isn't sun-shine invading direct? Isn't any unexpected heating
load generated?
Isn't the room much crowded?
Isn't the swing louver horizontal? (At HEATI G mode)
If swing louver is horizontal, the blow wind does not reach floor.
The wind does not blow during
heating operation
Isn't it warming up?
When the air conditioner does not operate properly after you have checked the above mentioned items or when the following
phenomenon is observed, stop the operation of the air conditioner and contact your sales dealer.
The fuse or breaker often shuts down.
Water drops off during cooling operation.
There is a irregularity in operation or abnormal sound is audible.
When the CHECK lamp (red) flickers, an irregularity has occurred in the air conditioner.
Note:
This unit has a function of automatic restart system after recovering power stoppage. Please contact the sales dealer if it
is not required.
Troubleshooting
9
Power
stoppage?