DUCT TYPE AIR CONDITIONER
Operation & Instruction
Manual
AD182AMEAA
AD242AMEAA
AD282AMEAA
AD362AMEAA
AD482AMEAA
AD242AMERA
AD282AMERA
AD362AMERA
No. 0010577971
C
Please read this operation manual before using the air conditioner.
Please keep this manual carefully and safely.
Cautions
important observations relating to the
assembly, operation and maintenance of the
air conditioner.
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.
The manufacturer does not accept
responsibility for any damages that may arise
due to non-observation of the following
instruction.
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.
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.
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.
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.
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.
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.
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.
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.
Do not o bstruct or cover the ventilation
grille of the air conditioner. Do not put fingers
or any other things into the inlet/outlet and
swing louver.
Safety Instructions and Warnings
Do not allow children to play with the air
Before starting the air conditioner, read the conditioner. In no case should children be
information given in the User's Guide allowed to sit on the outdoor unit.
carefully. The User's Guide contains very
2
Safety Precautions
Before starting to use the system, read carefully this"SAFETY PRECAUTIONS" to ensure a proper operation of the system.
Safety precautions described here are classified to " WARNING" and " CAUTION". Precautions which are shown in the column of
"
WANING" 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 " CAUTION", 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.
CAUTIONS FOR INSTALLATION
WARNING
The system should be installed by your
dealer or a professional installer.
When you need some optional devices such as a hu-
midifier, electric heater, etc., be sure to use the products
which are recommended by us. These devices should
be attached by a professional installer.
The system should be applied to places as
office, restaurant, residence and the like.
Installation by yourself is not encouraged because
it could cause such problems as water leakage,
electrical shock or fire accident by some improper
handing.
Application to inferior environment such as an engi-
neering 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.
CAUTION
Drain pipe should be arranged to provide a
positive draining.
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.
ON
OFF
Unless the circuit breaker is installed, it could
cause elecrical shocks.
If the pipe is arranged improperly, furniture or the
likes may be damaged by leaked water.
If the gas leakes and gathers around, it may cause the
fire.
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.
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.
Bodily injury could result by a collapse.
Bodily injury could result by a careless installation.
CAUTIONS FOR OPERATION
WARNING
When any abnormal condition (scorching smell or oth-
ers) is found, stop the operation immediately and turn
off the power switch. Then consult your dealer.
Do not poke the air inlet or outlet with a
bar, etc.
You should refrain from exposing your body
directly to cool wind for a long time.
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.
CAUTION
Combustion apparatus should not be placed
allowing a direct exposure to wind of air con-
ditioner.
The system should never be used for any
other purposes than intended such as for
preservation of food, flora and fauna, pre-
cision deices or work of art.
Do not handle switches with a wet hand.
It could cause electric shocks.
It could cause deterioration of food or other problems.
Incomplete combustion could occur on the apparatus.
3
Safety Precautions
CAUTION
Do not wash the air conditioner with water.
Make sure to use a fuse of proper electric
rating.
Do not install the system where the air outlet
reaches directly the flora and fauna.
Use of steel or copper wire in place of a fuse is strictly
prohibited because it could result in a trouble or fire
accident.
It could cause electric shocks.
It will not be good for their health.
It is strictly prohibited to place a container of
combustible gas or liquid near the air condi-
tioner or to spray it directly with the gas or liquid.
Do not operate the system while the
air outlet grill is removed.
Neither stand on the air conditioner nor
place something on it.
It could cause a fire accident.
There is a risk of injury.
There are risks of falling or injury by collapsed object.
Do not touch the air outlet section while
the swing louver is operating.
Do not use the power switch to turn on or
off the system.
Do not use such equipment as a water
heater, etc. around the indoor unit or the
wire controller.
ON
OFF
If the system is operated at the vicinity of such equip-
ment which generates steam, condensed water may
drip during cooling operation or it could cause a fault
current or short-circuit.
It could cause a fire or water leakage.
There is a risk of injury.
Check occasionally the support structure of the unit for any damage
after a use of long period of time.
When operating the system simultaneously with a combustion
apparatus, indoor air must be ventilated frequently.
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.
Do not put water containers on the unit such as a flower vase, etc.
When cleaning the system, stop the operation and turn off the
power switch.
Cleaning should never be done while the internal fans are running with high
speed.
If the structure is not repaired immediately, the unit could topple down to cause
apersonal injury.
CAUTIONS FOR TRANSFER OR REPAIR
WARNING
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 pro-
fessional 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.
4
Safety Precautions
The machine is adaptive in following situation
1. Applicable ambient temperature range:
Rated Maximum Minimum
For *EAA :
27
19
35
24
20
14.5
7
32
23
43
26
27
--
18
14
10
6
15
--
DB C
WB C
DB C
WB C
DB C
WB C
DB C
WB C
Indoor
Cooling
Heating
outdoor
Indoor
24
18
-7
--
outdoor
6
For *ERA :
Rated Maximum Minimum
DB C 27
WB C 19
DB C 35
WB C 24
32
23
43
26
27
--
18
14
-5
--
15
--
Indoor
Cooling
Heating
outdoor
Indoor
20
14.5
7
DB C
WB C
DB C
WB C
24
18
-7
--
outdoor
6
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 PC board is broken please change it with the type of T 3.15A /250VAC.
4. The wiring method should be in line with the local wiring standard.
5. The power cable should be:
H07RN-F 5G 2.5mm2 ( For series 482, 362 282 (380-400V, 3N~, 50Hz)) ;
H05RN-F 3G 6.0mm2 (For series 282,362 (1PH,220-230V~,50Hz)) ;
H05RN-F 3G 4.0mm2 (For series 242 (1PH,220-230V~,50Hz)) ;
H05RN-F 3G 2.5mm2 (For series 182 (1PH,220-230V~,50Hz)) ;
The connecting cable should be:
For series 182 , H05RN-F 3G 2.0mm2 +1X0.75mm2
For the others, the connecting cable should be H05RN-F 4G 0.75mm2
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 power cable and connect cable should be self-provided.
7. The breaker of the air conditioner should be all-pole switch; and the distance between its
two contacts should be no less 3mm.
8. The indoor unit installation height is at least 2.5m.
9. A leakage breaker must be installed.
5
Parts and Functions
For series 182,242, 282,362
Duct
Air outlet
Air inlet
For series 482
Duct
Air outlet
Air inlet
6
Malfunction
please check the following things about your air conditioner before making a servie call.
Unit fails to start
Is the power source
switch adjust cut in?
Is city supply power in
normal?
Isn't the signal receiving Isn't the earth leakage
section exposed to the breaker in action?
direct sunlight or strong
ON
illumination?
It is dangerous. Turn off
the power supply switch
immediately and contact
the sales dealer.
OFF
Power
stoppage?
Power supply switch is
not ON.
Cooling or heating is not sufficient
Doesn't any obstacle
exist at the air inlet or
outlet?
Isn't any doors or windows
left open?
Isn't the air filter dirty?
Is the thermostat adjust
as required?
Cooling is not sufficient
Isn't the swing louver
horizontal?
(At HEATING mode)
If swing louver is horizontal,
the blow wind does not reach
floor.
Isn't sun-shine invading
Isn't any unexpected
Isn't the room much
crowded?
direct?
heating load generated?
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 LED (red) flickers of wired controller, an irregularity has occurred in the
air conditioner.
7
Malfunction
The followings are not malfunction
When the air conditioner is started, when the compressor starts or
stops during operation or when the air conditioner is stopped, it
sometimes sounds "shuru shuru" or "gobo gobo". It is the flowing
sound of the refrigerant, and it is not a trouble.
Water flowing
sound is heard.
Shuru
Shuru
Cracking sound is heard.
It smells.
This is caused by heat expansion or contraction of plastics.
Air which blows out from the indoor unit sometimes smells.
The smell results from residents of tobacco smoke or cosmetics
stuck inside of unit.
When the air conditioner is used at restaurant etc. where dense
edible oil fume is always exists, white fog sometimes blows out
of air outlet during operation.
During operation,
white fog comes
out of indoor unit.
In this case consult sales dealer for cleaning the heat exchanger.
It is switched into the FAN mode
during cooling.
To prevent frost from being accumulated on the indoor unit heat
exchanger, it is sometimes automatically switched to the FAN mode
but it will soon return to the cooling mode.
Even if the operation switch is turned on, cooling, dehumidifying
or heating is not operable for three minutes after the conditioner is
The air conditioner can not be
restarted soon after it stops.
stopped. Because the protecting circuit is activated.
Wait for
three
Unit does
not start
(During this time air conditioner operates in fan
minutes
mode.)
Air does not blow or the fan
speed can not be changed during
dehumidifying
When it is excessively cooled during dehumidifying, the blower
automatically repeats reducing and lowering the fan speed.
During operation, operation mode
has changed over automatically.
Isn't the AUTO mode selected?
In the case of AUTO mode, operation mode is changed automati-
cally from cooling to heating or vise-versa according to the room
temperature.
Water or steam generates from
the outdoor unit during heating.
This results when frost accumulated on the outdoor unit is removed
(during defrosting operation).
8
Care and Maintenance
Points to observe
Turn off the power supply switch. Do not touch with wet hand.
Do not use hot water or volatileliquid.
Do not
use!
ON
Thinner
Benzine
Tooth powder
OFF
CAUTION
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.
Cleaning
CAUTION
Do not dry the air filter with fire.
Do not run the air conditioner without the air filter.
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.
Post-Season Care
Operate the unit with FAN 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.
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.
9
For Preparation of Heating("Hot Keep")
"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 actu-
ates, 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.
WARMING 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 ex-
changer of outdoor unit along with the drop of indoor temperature. Since the accumulated frost re-
duces 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 tem-
perature rises.
It is recommendable to start the operation a little earlier in a very cold morning.
10
Is The Unit Installed Correctly
Confirm the following items for safe and comfortable use of air conditioner.
The installation work is to be burden on the sales dealer, and do not conduct it by yourself.
Installation place
Avoid installing the air conditioner Install the unit at well ventilated
Install the air conditioner firmly on
the foundation that can fully support
the weight of the unit.
near the place where possibility of
inflammable gas leakage exists.
place.
Explosion (Ignition) may occur.
If not, it may cause vibration or noise.
If some obstacle exist, it may cause
capacity reduction or noise increase.
Select the place so as not to annoy
neighbor with the hot air or noise.
It is advisable not to install the air con-
ditioner at the following special place.
It may cause malfunction, consult the
sales dealer when you have to install
the unit on such a place.
Snow protection work is necessary
where outdoor unit is blocked up
by snow.
The place where corrosive gas generates
(Hot spring area etc.)
The place where salt breeze blows
(Seaside etc.)
The place where dense soot smoke exists
The place where humidity is extraordina-
rily high
The place where near the machine which
radiates the electromagnetic wave
The place where voltage variation is con-
siderably large
For details consult your sales dealer.
Electric work
The electric work must be burden on the authorized engineer with qualification for electric work and
grounding work, and the work must be conducted in accordance with electric equipment technical standard.
The power source for the unit is to be of exclusive use.
An earth leakage breaker should be installed.(This is necessary to prevent electric shock.)
The unit must be grounded.
When you change your address or the installation place
Special technology is required for removal or reinstallation of air conditioner, consult the sales dealer.
Besides, construction expense is charged for removal or reinstallation.
For inspection and maintenance
The capacity of air conditioner will decrease by contamination of inside of unit when it is used for about
three years although depending upon the circumstances under which it is used, and so in addition to the
usual maintenance service, special inspection/maintenance service is necessary. It is recommended to
make a maintenance contract (charged) by consulting your sales dealer.
11
Installation Manual For Indoor Unit
1. Safety precautions
Please read these "Safety Precautions" first then accurately execute the installation work.
Though the precautionary points indicated herein are divided under two headings,
WARNING
and
resulting in death or serious injury are listed in the
possibility of serious consequences in relationship to the points listed in the
, those points which are related to the strong possibility of an installation done in error
section. However, there is also a
section as well.
CAUTION
WARNING
CAUTION
In either case, important safety related information is indicated, so by all means, properly observe all that is
mentioned.
After completing the installation, along with confirming that no abnormalities were seen from the operation
tests, please explain operating methods as well as maintenance methods to the user (customer) of this equipment,
based on the owner's manual.
Moreover, ask the customer to keep this sheet together with the owner's manual.
WARNING
This system should be applied to places as office, restaurant, residence and the like. Application to inferior
environment such as engineering shop could cause equipment malfunction.
Please entrust installation to either the company which sold you the equipment or to a professional contractor.
Defects from improper installations can be the cause of water leakage, electric shocks and fires.
Execute the installation accurately, based on following the installation manual. Again, improper installations
can result in water leakage, electric shocks and fires.
When a large air-conditioning system is installed to a small room, it is necessary to have a prior planned
countermeasure for the rare case of a refrigerant leakage, to prevent the exceeding of threshold concentration.
In regards to preparing this countermeasure, consult with the company from which you perchased the equipment,
and make the installation accordingly. In the rare event that a refrigerant leakage and exceeding of threshold
concentration does occur, there is the danger of a resultant oxygen deficiency accident.
For installation, confirm that the installation site can sufficiently support heavy weight. When strength is
insufficient, injury can result from a falling of the unit.
Execute the prescribed installation construction to prepare for earthquakes and the strong winds of typhoons
and hurricanes, etc. Improper installations can result in accidents due to a violent falling over of the unit.
For electrical work, please see that a licensed electrician executes the work while following the safety standards
related to electrical equipment, and local regulations as well as the installation instructions, and that only
exclusive use circuits are used.
Insufficient power source circuit capacity and defective installation execution can be the cause of electric
shocks and fires.
Accurately connect wiring using the proper cable, and insure that the external force of the cable is not conducted
to the terminal connection part, through properly securing it. Improper connection or securing can result in
heat generation or fire.
Take care that wiring does not rise upward, and accurately install the lid/service panel. Its improper installation
can also result in heat generation or fire.
When setting up or moving the location of the air conditioner, do not mix air etc. or anything other than the
designated refrigerant (R410A) within the refrigeration cycle.
Rupture and injury caused by abnormal high pressure can result from such mixing.
Always use accessory parts and authorized parts for installation construction. Using parts not authorized by
this company can result in water leakage, electric shock, fire and refrigerant leakage.
CAUTION
Execute proper grounding. Do not connect the ground wire to a gas pipe, water pipe, lightning rod or a
telephone ground wire. Improper placement of ground wires can result in electric shock.
The installation of an earth leakage breaker is necessary depending on the established location of the unit.
Not installing an earth leakage breaker may result in electric shock.
Do not install the unit where there is a concern about leakage of combustible gas.
The rare event of leaked gas collecting around the unit could result in an outbreak of fire.
For the drain pipe, follow the installation manual to insure that it allows proper drainage and thermally insulate
it to prevent condensation. Inadequate plumbing can result in water leakage and water damage to interior
items.
12
Installation Manual For Indoor Unit
NOTICE
All Wiring of this installation must comply with NATIONAL, STATE AND LOCAL REGULATIONS. These
instructions do not cover all variations for every kind of installation circumstance. Should further information be
desired or should particular problems occur, the matter should be referred to your local distributor.
WARNING
BE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION. FAI-
LURE TO FOLLOW THESE INSTRUCTIONS COULD CAUSE SERIOUS INJURY OR DEATH, EQUIPMENT
MALFUNCTION AND/OR PROPERTY DAMAGE.
(1) Preparation of indoor unit
Before or during the installation of the unit, assemble necessary optional panel etc. depending on the
specific type.
(2) Select places for installation satisfying following conditions and at the same time obtain the
consent on the part of your client user.
(a) Places where chilled or heated air circulates freely.
When the installation height exceeds 3m warmed air stays close to the ceiling. In such cases, suggest
your client users to install air circulators.
(b) Places where perfect drainage can be prepared and sufficient drainage.
(c) Places free from air disturbances to the suction port and blowout hole of the indoor unit, places
where the fire alarm may not malfunction or short-circuit.
(d) Places with the environmental dew-point temperature is lower than 28 and the relative
C
humidity is less than 80 %.
(When installing at a place under a high humidity environment, pay sufficient attention to the
prevention of dewing such as thermal insulation of the unit. )
(e) Ceiling height shall have the following height.
For series 482
416mm
For series 182 242 282 362
366mm
Combination
with silent
panel
Installation space
100 or
more
100 or
more
50 or more
Obstacle
Unit: mm
13
Installation Manual For Indoor Unit
(3) Avoid installation and use at those places listed below.
(a) Places exposed to oil splashes or steam (e.g. kitchens and machine plants).
Installation and use at such places incur deteriorations in the performance or corrosion with the
heat exchanger or damage in molded synthetic resin parts.
(b) Places where corrosive gas (such as sulfurous acid gas) or inflammable gas (thinner, gasoline,
etc) in generated or remains. Installation and use at such places cause corrosion in the heat exchanger
and damage in molded synthetic resin parts.
(c) Places adjacent to equipment generating electromagnetic waves or high-frequency waves such as
in hospitals.
Generated noise may cause malfunctioning of the controller.
(4) Preparation for suspending the unit
(a) Size of hole at ceiling and position of hanging bolts
<Combination with silent panel>
137
A
57
(Hanging bolt position)
30
B
(Ceiling hole size)
C
(Ceiling ~ panel
wrap dimensions)
(Panel dimensions)
Unit: mm
Dimensions
A
B
C
Model
1000
1406
1194
1600
1254
1660
For series 182 242 282 362
For series 482
(b) Hanger bolts installation
Use care of the piping direction when the unit is installed.
Insert
Hole-in anchor
Hole-in plug
Concrete
Hanging bolt M10
14
Installation Manual For Indoor Unit
Hanging bolt
M10 washer
(5) Installation of indoor unit
M10 nut
Fix the indoor unit to the hanger bolts.
If required, it is possible to suspend the unit to the beam, etc.
Directly by use of the bolts without using the hanger bolts.
M10 spring washer
Main unit
Note
When the dimensions of main unit and ceiling holes does not match, it can be adjusted with the slot
holes of hanging bracket.
Piping side
Adjusting to the levelness
Supply water
(a) Adjust the out-of levelness using a level or by
Water level
the following method.
0~5 mm
Make adjustment so that the relation between
the lower surface of the unit proper and water
level in the hose becomes as given below.
PVC hose
(0~0.2")
Bring the piping side slightly lower.
(b) Unless the adjustment to the levelness is made properly, malfunctioning or failure of the float
switch may occur.
Tap selection on blower unit
(When the high performance filter is used.)
Taps of blower unit are set at the standard selection at the shipping from factory. Where the static
pressure is raised by employing such option as the high performance filter, etc., change the connection
of connectors provided at the flank of control box as shown below.
Standard tap (at shipping)
High speed tap
White
White
White
Black
White
Blue
Red
Blue
Blue
Blue
Yellow
Red
Yellow
Red
Yellow
Red
(6) Drain Piping
(a) Drain piping should always be in a downhill grade (1/50~1/100) and avoid riding across an
elevation or making traps.
Good piping
Improper piping
Suspension
bolts
Avoid riding across an elevation
Keep free from traps
1.5m ~ 2m
Air vent
Do not pipe under water
A downhill grade
of 1/100 or more
Heat
insulation
(b)
(c)
When connecting the drain pipe to unit, pay suffcient
attention not to apply excess force to the
piping on the unit side. Also, fix the piping at a
point as close as possible to the unit.
For drain pipe, use hard PVC general purpose pipe
VP-25(I.D.1") which can be purchased locally. When
connecting, insert a PVC pipe end securely into the
drain socket before tightening securely using the
attached drain hose and clamp. Adhesive must not
be used connection of the drain socket and drain
hose (accessory).
Stage
difference
part
Drain hose
Drain socket
Drain socket
VP 25 joint
(field purchased)
Pipe cover(large)
[for insulation]
(accessory)
Main unit
VP 25
(field purchased)
Drain hose
(accessory)
(accessory)
Clamp
Adhesion
Pipe cover
[for insulation]
(field purchased)
Pipe cover(small)
[for insulation]
(accessory)
15
Installation Manual For Indoor Unit
Secure the elevation as high as possible
(approx. 100 mm)
(d) When constructing drain piping for several units, position the
common pipe about 100 mm below the drain outlet of each
unit as shown in the sketch. Use VP-30(11/4") or thicker pipe
for this purpose.
VP 30
A downhill grade of
1/100 or more
(e)
Be sure to provide heat insulation to hard PVC pipes of indoor
placement.
290~325mm
Do not ever provide an air vent.
(f)
(g)
Right overhead
The height of the drain head can be elevated up to a point 500
mm above the ceiling, and when an obstacle exists in the
ceiling space, elevate the piping to avoid the obstacle using
an elbow or corresponding gadget. When doing this, if the
stretch for the needed height is higher than 500 mm, the back-
flow quantity of drain at the event of interruption of the
operation gets too much and it may cause overflow at the
drain pan. Therefore, make the height of the drain pipe within
the distance given in the sketch below.
Drain hose
Joint for VP 25
(Local procurement)
Avoid positioning the drain piping outlet at a place where
generation of odor may be stimulated. Do not lead the drain
piping direct into a sewer from where sulfur gas may generate.
(h)
Drainage Test
1
2
Conduct a drainage test after completion of the electrical work.
During the trial, make sure that drain flows properly through the piping and that no water leaks
from connections.
3
4
In case of a new building, conduct the test before it is furnished with the ceiling.
Be sure to conduct this test even when the unit is installed in the heating season.
Procedures
1
2
Supply about 1000 cc of water to the unit through the air outlet using a feed water pump.
Check the drain while cooling operation.
Pour water into a convex joint.
Insert water supply hose
for 20 mm ~ 30 mm to
supply water.
(Insert hose facing
toward bottom.)
(In the electrical work has not been completed,
connect a convex joint in the drain pipe connection
Attached drain hose clamp
Remove grommet.
Make sure to install
it back after test.
to provide a water inlet. Then, check if water
leaks from the piping system and that drain flows
through the drain pipe normally.)
Main unit
Drain piping
Drain situation can be checked with transparent socket
16
Installation Manual For Indoor Unit
(7) Installation work for air outlet ducts
Air conditioner main unit
Heat
insulation
inlet duct
(optional or
marketat item)
Suction panel
(Silent panel)
Ceiling surface
B Special blowout
A Blowout duct
(Optional or marketed item)
C
special inlet (option)
(with air filter)
(Option)
Hole for check
Calculate the draft and external static pressure and select the length, shape and blowout.
Blowout duct
2-spot, 3-spot and 4-spot with 200 type duct are the standard specifications. Determine the
A
number of spots based on following table.
Note (1) Shield the central blowout hole for 2-spot.
(2) Shield the blowout hole around the center for 3-spot.
Limit the difference in length between spots at less than 2:1.
Reduce the length of duct as much as possible.
Reduce the number of bends as much as possible. (Corner R should be as larger as possible.)
Bad example
Bad example
Good example
Use a band. etc. to connect the main unit and the blowout duct flange.
Conduct the duct installation work before finishing the ceiling.
(8) Connection of suction, exhaust ducts
State seeing from top of unit
Exhaust hole
Side fresh air inlet
Rear fresh air inlet
Fig.2
Fig.1
(a) Duct connection position
i) Fresh air inlet
Inlet can be selected from the side or rear faces depending on the working conditions.
Use the rear fresh air inlet when the simultaneous intake and exhaust is conducted.
(Side inlet cannot be used.)
ii) Exhaust (Make sure to use also the suction.)
Use the side exhaust port.
17
Installation Manual For Indoor Unit
5. Electric wiring
WARNING
DANGER OF BODILY INJURY OR DEATH
TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE
MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE
COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS.
(1) Selection of size of power supply and interconnecting wires.
Precautions for Electric wiring
Electric wiring work should be conducted only by authorized personnel.
Do not connect more than three wires to the terminal block. Always use round type crimped terminal
lugs with insulated grip on the ends of the wires.
Use copper conductor only.
Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with
less than 2% voltage drop.)
Power source
wire size
Circuit breaker
Earth leakage breaker
Item
Model
Switch breaker
Switch
Leak
Overcurrent protector
rated capacity (A)
Phase
(minimum)
(A)
2
breaker(A) current(mA)
(mm )
For series 182
For series 242
1
1
40
26
26
2.5
4.0
40
40
30
30
40
40
For series 282 362
1
3
26
20
6.0
2.5
40
30
30
30
For series
282 362 482
30
(2) Wiring connection
Make wiring to supply power to the indoor unit, so that the power for the outdoor unit is supplied by
terminals.
For series 182
INDOOR UNIT
TERMINAL BLOCK
1
2
3 N L
Y/G
1
2
3
OUTDOOR UNIT
TERMINAL BLOCK
Y/G
Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by
terminals.
For series 242 282 362
For series 282 362 482
INDOOR UNIT
TERMINAL BLOCK
INDOOR UNIT
TERMINAL BLOCK
1 2 3
1 2 3
Y/G
Y/G
Y/G
Y/G
Y/G
OUTDOOR UNIT
TERMINAL BLOCK
N 1 2 3
R S T
OUTDOOR UNIT
TERMINAL BLOCK
1 2 3
L N
POWER SUPPLY:
380-400V, 3N~, 50Hz
POWER SUPPLY:
1PH, 220-230V~, 50Hz
18
Trouble Shooting
Error display ( For *EAA series )
19
Trouble Shooting
Error display ( For *ERA series )
20
HAIER GROUP
Qingdao Haier Air Conditioner Electric Co., Ltd.
Address: Haier Garden ,Qianwangang Road , Economic Development Zone,
Qingdao ,Shandong 266500, P.R.China
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