No.0010572402
B
Operation & Installation
Manual
AB092ACBHA
AU092AABHA
(HBU-09HA03/R1(B))
AB122ACBHA
AU122AABHA
(HBU-12HA03/R1(B))
Please read this operation manual before using the air conditioner.
Please keep this manual carefully and safely.
CASSETTE AIR CONDITIONER
Contents
Cautions
...........................................................................................
Main points of Operation
................................................................
Name of Each part
..........................................................................
Safety Cautions
................................................................................
Maintenance
......................................................................................
Trouble shooting
..........................................................................
When trouble happens
......................................................................
Customer Need-to-know
...................................................................
Installation Tools
................................................................................
Installation Procedures
................................................................
Check and Test Run
..........................................................................
Malfunction Judgement......................................................................
1-2
3-4
5
6-7
8
9-11
12
13
14
15-22
23
24
Cautions
1
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.
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.
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.
All these valuable materials may be taken
to a waste collecting center and used again
after adequate recycling.
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
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 /250V AC.
Cautions
Cooling
Heating
Indoor
outdoor
Rated Maximum Minimum
27 32 18
19 23 14
35 43 -5
24 26 - 20 27 15
14.5 -- - 7 24 -7
6 18 --
DB C
WB C
DB C
WB C
Indoor
outdoor
DB C
WB C
DB C
WB C
4. The wiring method should be in line with
the local wiring standard.
5. All the cables shall have got the European
authentication certificate.
6.The waste battery shall be disposed properly.
7.The indoor unit installation height is at least
2.5m.
8.The appliance must be installation that the
plug should be easily accessible after installation.
9. The power plug should be self-provided and
it should have got the European authentication
certificate.
3
Main points of Operation
Operation of Air Conditioner
When the environmental humidity is great,
water maybe dripped from the air outlet in
cooling or drying mode.
3-minute Protection Function
If restart the unit immediately after stopping,
the compressor will start only 3 minutes later
to protect the machine.
Variation of Fan Speed
If fan speed in auto mode, it will automatically
lower when the room temperature close to the
setting temperature in cooling mode.
In heating mode,the compressor stops when the
room temperature at setting temperature and fan
turns into low speed or stops.
In Dry mode,fan speed will be automatically varied.
Remote Control:
There is a telecommunication interface for remote control on the control
panel of the indoor unit. After the peripheral equipment have been installed
in accordance with the instruction manual of the selected remote control
detector, the air conditioner will be computerized and controlled from a faraway place.
4
Main points of Operation
Prevent Cool Air Blowing Off
In heating mode,the indoor fan will not run
immediately after the unit starts to prevent
the cool air blowing off.
Defrosting Function
In heating mode, when frost formed on the outdoor heat
exchanger, the air conditioner will automatically defrost a
few minutes. During defrosting, both indoor and outdoor
fan will stop running. When defrosting finished, air conditioner will automatically back to running.
Hints
The air conditioner absorbs heat form outside and
releases inside when in heating mode, therefore the
outside environmental temperature will affect heating
effects.
Power Failure Compensation(to be applied for a necessary situation):
After the power failure compensation is set, if power failure suddenly occurs while the air
conditioner is working,it will resume the previous working state when the power is supplied
again.
Setting Method: When the remote controller is on (excluding timer mode and fan mode),press
the ìsleepingî button on the remote controller 10 times within 5 seconds,and
after the buzzer rings 4 times,the air conditioner will enter the state of power
failure compenstation.
Cancel Method:Press the ìsleepingî button on the remote controller 10 times within 5 seconds,
and after the buzzer rings 2 timer,the power failure compensation mode will be
cancelled.
Note: When a power failure suddenly occurs during the air conditioner si working after the
power after the power failure compensationis set,if the air conditioner will not be used
for a long time, please cut off the power supply to prevent its operation from being res umed after the power is supplied again, or press the ì Switch On/Off î button after the
power comes again.
Wait a
minute
Defrosting Running
5
Indoor unit
Swing louver
(Air flow direction can be adjusted by using
the SWING button on the remote controller)
Electrical Components Case
Air Inlet Grille
Air Filter
(Inside of the Inlet Grille)
Name of Each Part
outdoor unit
Air inlet
Air outlet
Drain hose
Connecting piping
and electrical wiring
6
Below are listed four kinds of Safety Cautions and Suggestions:
Be sure to conform with the following important Safety Cautions.
The Safety Cautions should be at hand so that they can be checked at any time when needed.
If the air conditoner is transferred to the new user, this manual should be as well transferred to
the new user.
Safety Cautions
Incorrect operations may result in severe consequences of death or serious injures.
WARNING:
Incorrect operations may result in injures or machine damages; in some cases may
cause serious consequences.
CAUTION :
: It must be strictly prohibited where marked with ì Prohibited î, otherwise may result in
machine damages or endanger the userípersonal safety.
This information can ensure the correct operation of the machine.
INSTRUCTION:
Carefully read the following information in order to operate the air conditioner correctly.
WARNING
If any abnormal phenomena are found (e.g.
smell of firing),please cut off the power supply
immediately, and contact the dealer to find outí
the handling method.
When need maintenance and
repair,call dealer to handle it.
Donít put figures or any other
things into the inlet/outlet and
swing louver while the conditioner is in operation
Call the dealer to take measures to prevent the
refrigerant from leaking.
Switch
off
In such case,to continue using
the air conditioner will damage
the conditioner,and may cause
electrical shock or fire hazard.
Incorrect maintenance and
repair may cause water leak,
electrical shock and fire hazard.
Because the high-speed fan
is very dangerous and may
cause injures.
The leaked refrigerant over certain density may
cause oxygen deficient.If the air conditioner is
installed in a small room be sure to take measure
in order to prevent suffocation accident even in
case of refrigerant leakage
When air conditioner is removed and reinstalled
dealer should be responsible for them.
Incorrect installation may cause water leaking,
electrical shock and fire hazard.
Donít dismantle the outlet of the outdoor unit.
The exposure of fan is very
dangerous witch may harm
human beings.
After a long time use of air conditioner the base
should be checked for any damages.
If the damaged base is not
repaired, the unit may fall
down and cause accidents.
7
WARNING
No goods or nobody is permitted
to be placed on or stand on
outdoor unit.
Donít clean air conditioner
with water.
Safety Cautions
The falling of goods and
people may cause accidents.
Don't operate the air conditioner with
damp hands.
Otherwise will be shocked.
Only use correct type fuse.
May not use wire or any other
materials replacing fuse,otherwise may cause faults or fire
accidents.
Donít place any burning
unit in the airflow of air
conditioner,which may
cause incomplete
combustion
No inflammable spray fluid
should be permitted to be
placed or used near to air
conditioner,otherwise may
cause fire accident.
Air conditioner should be
cleaned only after power
supply is cut off to keep
from shock or hurt.
Otherwise may cause shock.
Connect earthing wire.
Earthing wire should not be
connected to the gas pipe,
water pipe,lightning rod or
phone line,incorrect earthing
may cause shock.
Use discharge pipe correctly to
ensure efficient discharge.
In correct pipe usage may cause water
leaking.
Air conditioner canít be be installed in
the environment with inflammable gases.
The inflammable gases near to air conditioner
may cause fire hazard.
Installed electrical-leaking circuit breaker.
When use the fumigating insecticide
donít operate air conditioner.
Otherwise the poisonous chemicals
may settle in air conditioner,
which harm the health of
chemical-allergic people.
It easily causes electrical shock without
circuit breaker.
Not permitted
when running
8
Maintenance
Clean the unit
Turn off the power supply switch
Do not touch with wet hand.
Do not use hot water or volatile liquid
The 4 fixed bolts must be loosed as shown in
the figure by arrow if they are bolts, the method
is that: push the blots inward till to another edge.
Generally the fixed blots are opened for inlet
grille easily up and down as well cheaning the
air filter.After open it,lower the inlet grille using
remote controller, the maximum distance is 2.24m.
Then turn the 1 rotated clamps 90 degree as
shown in the figure, hold the air filter and nearly
in the horizontal direction slightly pull it out.
Clean the air filter
Clean the air filter with water or vacuum cleaner.
Use the detergent or neutral soapy water if the
air filter is too dirty. Then rinse the air filter with
water,and reinstall after drying.
Caution:
Do not clean the air filter with hot water over 40 C,
otherwise may damage the filter.
Sweep the filter carefully.
Clean indoor (outdoor )unit
Clean with hot wet cloth and neutral detergent, then wipe with
dry cloth.Do not use too hot water (over 40 C) which may result
in fading and deforming. Do not use insecticide and chemical
washing agent.
Fixing nolt
Fixing nolt
Fixing nolt
Rotary fixing clamp
Outward drawable filter
ON
OFF
9
Trouble shooting
Seasonal Reserve
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, indoor unit and outdoor unit,and cover
the unit with dustcoat.
Pre-season Care
See that there is no bostacles blocking the air
inlet and air outlet of both indoor and outdoor
unit to avoid reduce the working efficiency.
Be sure to install the air filter, ensure that the air filter is not dirty. Otherwise may result in
machine damages or cause malfunciton due th dust inside the unit
To prevent compressor when start in HEAT mode,
please cut in the power supply switch 12 hours
before starting run,furthermore, always keep the
power supply switch on during the using senson.
Post-season Care
10
The followings are not malfuncition
Hua
Hua
Trouble shooting
Water flowing sound is heard
When the air conditoner is started, when the
compressor starts or stops during operation
or when the air conditioner is stopped,it sometimes sounds ì Bi- Bi-î or ìGodo-Godoî. It is
the flowing sound of the refrigerant , not a
malfunction.
Cracking sound is heard
It smells.
This is caused by heat expansion or contraction of plastics
Air blown out from the indoor unit sometimes
smells. The smell results from smells of
furniture, paint , tobacco absorbed by indoor
unit.
During operation, white fog comes out of
indoor unit.
When in COOL or DRY mode, a thin water
fog can be seen blown out of unit ,this is the
condensed fog because the suddenly cooled
indoor air is blown out.
Automatically switch into FAN mode during
cooling.
To prevent frost from being accumulated on the
indoor unit heat exchanger, it sometimes automatically switched into the FAN mode,but it will
soon back to the cooling mode.
The air conditioner cannot be restarted soon
after it stops.
Air conditioner does not start?
This is because of the self-protection function
of the system, therefore,it cannot be restarted
for about three minutes after it stops.
Please wait for
three minutes
11
ON
OFF
Trouble shooting
Air does not blow or the fan speed cannot be
changed during drying.
In DRY mode, when room temperature
becomes 2 C higher than temperature setting,
unit rill run intermittently at LO speed regardless
of FAN setting
During heating,indoor fan is still running even
unit is stopped.
To get ride of the excess heat, indoor fan will
continue running for a while after unit automatically stops.
Water or vapor generated from the outdoor
unit during heating.
This happens when the frost accumulated on
the outdoor unit is removed (during defrosting
operation).
Defrosting operation
Please check the following things about your air conditioner before making a
service call.
Unit fails to start.
Is the power supply switch on ?
Power supply switch is not in
ON position.
Is city supply power normal ?
Is the earth leakage breaker
in action ?
Be sure to turn off the power
supply switch immediately and
contact the sales dealer.
Power cut?
12
When trouble happens
Insufficient cooling or heating
The operation controller
adjusted as required
Air filter too dirty ?
Horizontal swing louver
upward ? (in HEAT mode)
Any obstacle exists at the air
inlet or outlet?
Door or window left opened ?
Insufficient cooling
Any other heat sources in the
room?
Sunlight direct into the
room ?
Too crowed in the room ?
Cooled air blown out ( when heating)
When the air conditioner does not operate properly after
you have checked the above-mentioned items or when
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 or drying operation.
There is an irregularity in operation or abnormal sound that
is audible.
13
Customer Need-to-know
Customer Need-to-know
Please install the air conditioner according to the requirements specified in this manual to ensure
the air conditioner work well.
Be careful not to scratch the surface of the case during moving the air conditioner.
Please keep the installation manual for future reference when maintenance and changing installation
place.
After installation ,please use the air conditioner according to the specification in the operation
manual.
Using Directions
Adjust suitable airflow direction
Avoid direct sunlight and airflow
Keep the proper indoor temperature.
Too cool or hot is not good for your health.
Furthermore,it will result in excessive
consumption of electric power.
Optimal
temperature
Effectively use timer.
Using TIMER mode, you can make the room
temperature reach a suitable temperature when
you wake up or back home.
ATTENTION: after finishing installation,confirm no refrigerant leakage.
14
A
B
C
D
E
F
Installation tools
Standard accessories
1. Screw driver
2. Hacksaw
3. Drill with a diameter of 60mm
4. Inner hexagon spanner,shifting
spanner
5. Spanner (14, 17, 19,24,27mm)
6. Pipe cutter
7. Pipe expander
8. Knife
9. Pincers
10. Leakage detector or soapy water
11. Band tape
12. Scraper
13. Refrigerant oil
The installation tools listed in the
following sheet can be used as required.
The following parts mentioned in this
manual are the installation accessories
we prepared.
Symbol Parts Name
Adhesive tape
Pipe clamp
Connecting hose
Drainage hose
Non-hydroscopic
heat insulating material
Gypsum powder
Following in the list are the accessories
supplied with the unit,which can be used
as required
1
2
3
4
5
1
2
4
1+1
2+4
No.
Accessory parts
Qty.
Remote controller
Battery
Wire clamp
Heat
preservation
sleeve
Screw
Screw cap
Remote
controller
bracket
6
7
1
1+1
Installation Tools
15
Installation of Outdoor Unit
Selection of installation place
Place strong enough to support unit weight, and will not cause vibration and noise.
Place where discharged wind and noise do not cause nuisance to the neighbors, and is sufficiently
ventilated.
Place where is less affected by rain or direct sunlight and sea breeze.
Place with enough space for smooth air flow.
The unit cannot be installed on an unspecified metal frame (e.g. theft guard net).
It shall be not less than 2.5m high from the ground if the outdoor unit is installed close to a street.
Easy for maintenance.
Fixing the unit
Fix outdoor unit bracket to the wall using anchor bolt (M10).
Fasten the outdoor unit onto the installation bracket with bolt (M10) and nut ,and keep it horizontal.
If installation on the wall or on top of a roof, bracket shoukd be fixed securely to resist earthquake or
storms.
Be sure to use rubber pad during installation against unit vibration.
Install the unit in such a way that the angle of inclination is lees than 3 degrees.
Installation dimension of outdoor unit (mm)
140 500 140
256
Installation Procedures
16
1.Selection of Installation Place
(1) Place above the ceiling where have enough space to arrange the unit.
(2) Place where the drainage pipe can be arranged well.
(3) Place where inlet and outlet air of indoor and outdoor unit will not be blocked.
(4) Do not expose the unit to the place with heavy oil or moisture (e.g.kitchen and workshop).
(5) Do not set the unit in the place where destructive gas (such as sulfuric acid gas) or pungent
gas (thinner and gasoline) concentrates and retains.
(6) Place strong enough to support the unit weight.
(7) No expensive articles such as television and piano below indoor unit.
(8) Enough space for maintenance.
(9) Place more than 1m away from television and radio to avoid disturbing television and radio.
(10) Easy for maintenance.
1.5m
2.5m Over
1.5m
0.31m
H
Air outlet
Air outlet
Air inlet
2.Installation Preparation
(1) Position of ceiling opening between unit and suspending bolt (front view of unit).
(2) Prepare all piping (refrigerant,water drainage )and wires (connection wire of remote controller,
indoor unit connection wires) to the indoor unit before installation in order to connect indoor unit
immediately after installation.
Ornament panel 630mm
ceiling opening 600mm
Indoor unit 570mm
Distance between
Indoor unit 570mm
Ceiling opening 600mm
Ornament panel 630mm
suspending bolts 460mm
210mm
335mm
35mm
Overlap between ceiling and
ornament panel shall be 15mm
Suspending bolts
Ceiling
Ornament panel
Installation Procedudres
17
(3) Install a suspending bolt
To support the unit weight ,anchor bolt should be used in the case of
already exists ceiling. Fow new ceiling, use flush-in type bolt, built-in
type bolt or parts pretared in the field.
Before going on installing, adjust space to ceiling.
Installation of indoor unit
In case of no ceiling
Install unit temporally
Put suspending bracket on the suspending bolt to hang the unit up. Be sure to use nut and
washer at both end of the breaket to secure firmly.
After installation on the ceiling
(1) Adjust unit to its right position (Refer to preparation for installation-(1))
(2)Check that unit is horzontal.
Put suspending bracket on the suspending bolt to hang the
unit up.Be sure to use nut and washer at both end of the
bracket to secure it firmly.
Water pump and floating switch is installed inside indoor unit,check four corners of the unit for
its lever using horizontal comparator or PVC tube with water.(If unit is tilting against the direction
of water drainage,problem may occur on floating water leakage.)
In the case of ceiling already exists
(1)Install unit temporally
(2)Adjust the height and position of the unit.
(3)Proceed with procedure (4) of ì In the case of no ceiling ì
Nut (Prepare in feild)
Washer (Prepared in feild)
Suspending bolts
Fasten (double nuts)
Insert
Washer fixing pad
(prepared in feild)
[ secure the washer firmly]
leveler
Polythene pipe
50*150mm
Ceiling
Roof
Anchor bolt
Long nut or thread
Suspending bilt M10
Note: All the above mentioned parts shall be prepared in feild,
the diameter of suspending bolt is M10
<Installation Example>
Installation Procedures
18
Large size seal pad
4mm below
Cli
3.Installation of water drainage pipe
(1) Install water drainage pipe
Pipe diameter shall be equal or larger than that of connecting pipe (Pipe of polythene; size:
25mm; O.D.: 32mm )
Drainpipe should be short, with a downward slope at least 1/100 to prevent air bag from forming.
If downward slope of drainpipe cannot be made,lifting pipe shall be installed.
Keep a distance of 1-1.5m between suspending bolts, to make water hose straight.
Use the drainage hose and clip provided with unit.
Insert water pipe into water plug until it reaches the white tape.
T
ighten the clip until head of the screw is less than 4mm from hose.
Wind the ddrainage hose to the clip using seal pad for heat insulation.
Insulate drainage hose in the room.
(accessory)
Cautions for the water drainage lifting pipe
Installation height of water drainage lifting pipe shall be less than 280mm
There should be a right angle with unit ,300mm from unit.
< Note >
The slope of water drainage hose shall be within 75mm , make the drainage plug not to bear
excessive force.
If several water hoses join together, of as per following procedures.
Specifications of the selected drainage hoses shall meet the requirements for the unit running
1-1.5m
slope over 1/100
Tape(white)
Draingage hose
Clip
Clip
Water drainage
lifting pipe
Suspending bracket
Drainage hose
280mm unter
500mm below
Drainage hose
75mm below
500mm below
220mm
Slope below 1/100
Connection drainage hose with a T-joint
100mm ¸over
Clamp
300mm below
Installation Procedures
19
4. Installation of Ornament Panel
Install ornament panel on indoor unit
(1) Check whether indoor unit is horizontal with leveler or polythene pipe filled with water , and
check that the dimension of the ceiling opening is correct. Take off the lever gauge before install
the ornament panel.
(2)Fasten the screws to make the height difference between the two sides of indoor unit less than
5mm.
(3) First fix it with screws temporally.
(4) Fasten the two temporally fixing screws and other two, and tighten the four screws.
(5) Connect the wires of synchro-motor.
(6) Connect the wire of signal.
(7) If no response of remote controller,check whether the wiring is correct,restart remote controller
10 seconds after shut off power supply.
Limits of panel board installation
(1)Install the panel board in the direction shown in
the figure.
(2)The incorrect direction will result in water leakage,
meanwhile swing and signal receiving are displayed
that cannot be connected.
Display window
Drain hose
Pipe
Pipe
Louver motor
Liquid inlet pipe
Gas outlet pipe
Drain hose
Installation Procedures
20
Piping Connection
(1) Dimension of connecting pipe
Fit the nut on and fasten
(2) The maximum length and drop height of connecting pipe
The maximum length is 10m
The maximum drop height is 5m.
T o ensure the ef ficiency ,Pipes shall be as short as possible.
Cautions for piping connection
Do not twist or deform the connecting pipe.
Do not mix dusts.
The bending radius shall be as large as possible.
Both gas pipe and liquid pipe shall be heat insulation.
No leakage in the flare.
Spanner
Spanner
Joint
Nut
(3) Piping connection
Connecting method
Smear refrigerant oil on the joints of piping and flare.
The bending radius shall be as large as possible.
Align the pipe center when fastening, and tighten the
nut, as shown in the figure.
Pay attention to not mix foreign matters such as sands
in.
Diameter of Pipe
Liquid Pipe 6.35mm
Gas Pipe 12.7mm
Tighten Torque
1 1.8N. m
49.0N. m
If not aligned ,tighten the nut by force will
damage the nut that result in gas leakage
Flare connection
Gas pipe
3-way valve
Indoor
Unit
Outdoor
unit
Liquid
pipe
2-way valve
Flare connection
90 + 0.5
12.7mm
6.35mm
Gas pipe
Liquid pipe
Installation Procedures
21
Detach the charge hose from the service port, open
2-way valve and 3-way
. Turn the valve rod
anticlockwise until hitting lightly.
6
In case of gas leakage, tighten
parts of pipe connection. If
leakage stops, then proceed
steps.
No gas leakage?
5
4
Open the valve rod for the 2-way valve to and angle of
anticlockwise 90 degree.
After 6 seconds later
, close the 2-way valve and male
the inspection of gas leakage.
3
V acuumize for over 15min. And check the level gauge
which should read -0.1 MPa (-76 cm Hg) at low
pressure side.
After the completion of vacuumizing,
close the handle 'Lo' in gaugemanifold and stop the
operation of the vacuum pump.
Check the condition of the scale and hold it for 1-2min.
If the scale-moves back in spite of tightening, make
flaring work again, the return to the beginning of 3 .
2
Open the handle at low in gaugemanifold, operate
vacuum pump. If the scale-moves of gause (low)
reach vacuum condition in a moment, check 1 again.
1
Detach the service port's cap of 3-way valve, the
valve rod's cap for 2-way valve and 3-way's, connect
the service port into the projection of char
ge hose
(low) for gaugemanifold. Then connect the projection
of charge hose (center) for gaugemanifold into
vacuum pump.
To use vacuum pump
CAUTION:
If the refrigerant of the air conditioner leaks, it is necessary to make
all the refrigerant out, then char
ge the liquid refrigerant into air
conditioner according to the amount marked on the name plate.
2
Open
(4) Purging method ( the refrigerant is R407C)
6
3
Close
8
After attaching the each caps, check the gas leakage
around the caps.
To prevent the gas leakage, turn the service port's
cap, the valve rod'd cap for 2-way valve and 3-way's
a lottle more than the point where the torque increases
suddenly
.
7
If it does not stop gas leakage, discharge
whole refrigerants from the serice port.
After flaring work again and vacuumize,
fill up prescribed refrigerant from the gas
cylinder
.
Liquid pipe
Gas pipe
Gaugemanifold
Vacuum pump
3-way valve
2-way valve
6 35mm(1/4'')
12 7mm(1/2'')
Service port
90
90
3-way valve
2-way valve
90
for 6 sec.
4
2-way valve
3-way valve
6
6
Service port cap
7
2-way valve
3-way valve
Valve rod cap
Valve rod cap
7
7
Installation Procedures
22
1(L)
Electrical Wiring
Cautions: Use copper wire only.
Parameters of connectingline : H05RN-F 4G0.75mm
2
Parameters of power supply: H07RN-F 3G2.0mm
2
Power supply :1PH,220-230V~,50Hz, connect from outside.
Wiring methods:
1.Wiring method of ring terminal
For connecting line which end is a ring,its wiring method
as shown in the right figure: remove wiring screw and pass
it through the end ring of connecting line,then connect it to
the terminal block and tighten screw.
2. Wiring method of straight terminal
For connecting line which end is not a ring, its wiring method
as follows: loosen wiring screw ans insert the end of connecting
line totally into the terminal block,then tighten the screw and pull
the connecting line slightly to confirm that it is clamped firmly.
Crimp connection method of connecting line
After finishing wiring.connecting line must be fastened by
wire clamp,which pressed on the external sheath of the
connecting line, as shown in the right figure:
Wiring of indoor unit
Open air inlet grill
Take the leading end of connecting line
Connect connecting line according to wiring methods
and wiring diagram of indoor and outdoor unit
Fasten connecting line according to crimp connection
method of connecting line.
Reinstall air inlet grill.
1.Installation fixing
Fix outdoor unit installation bracket on the wall using a
M10 anchor bolt.Fix outdoor unit on the installation bracket
firmly using bot(M10) and nut, and keep it on horizontal level.
When installing on the wall or on the roof ,fix the bracket,
firmly to prevent earthquake or storm.
Be sure to use rubber-damping cushion to reduce unit vibration.
2.Installation of drain elbow
3. Connection of outdoor piping
Connect the connecting pipe according to the piping connection
method
4. Confirm the ends of wire are connected well, safe and correct.
5. After finishing wiring, press the connecting wire according to the
wire crimp connection method and reinstall the cover.
Wiring method of ring terminal
Installation of drain elbow.(Only for heat pump type air conditioner,
no drain elbow for single cooling type).If use drain elbow,please
install as shown in the figure.
Do not use drain elbow in cold place (temperature successively
below 0 C)
4.Wiring connection
1.Open the wiring cover and loosen the wiring clamp.
2.Lead the connecting wire out and pass it through the wiring clamp.
3.Connect the connecting wire according to the wiring method and
diagram
Correct crimp
connection of wire
Terminal block
Incorrect crimp
connection of wire
Crimp connection
clamp
Indoor unit
terminal block
Outdoor unit
terminal block
1 2 3
to power supply
Terminal
Wire clamp
Power supply
Connecting wire
between inner and outer
1 2 3
1 2 3
Installation Procedures
Correct
Incorrect
A
Pipe expander
Other Instructions
1.Configuration of power supply
Air conditioner must use special power supply system (above 20A), and qualified electrician makes
wiring and fixing according to wiring regulations specified in national standard.
In socket, exactly distinguish earth wire with neutral wire and it is wrong to connect them together.
A leakage breaker must be installed.
Parameters of power supply: H07RN-F 3G 2.0mm
2
Connection method is Y-connection .If the power cord is damaged, it must be replaced by
professional people of manufacturer or its maintenance department or similar to avoid dangers.
2.Pipe cutting and expanding
Must remove burrs if cut pipes with pipe cutter.
Expand flare after insert the pipe expander.
Liquid pipe
Gas pipe
Diameter of pipe
Dimension A (mm)
0.8~1.5
1.0~2.0
6.35mm (1/4î)
12.7mm (1/2î)
Deflection
Crack occurs
Broken
Incomplete
Over outward
Installation check and test run
Require customers to use air conditioner according to the operation manual.
The items checked during test run,please mark in
No gas leakage on the pipe joint ?
How about the thermal insulation of the pipe joint:
Is the electrical wiring between indoor and outdoor unit connected to the terminal block firmly?
Is the wiring of indoor and outdoor unit secured firmly?
Is the drainage hose arranged correct?
Is the earthing wire connected firmly?
Is the power supply voltage conformed to the electrical regulation?
Any noise?
Is the display on the control board (LCD) correct?
Cooling normal?
Does the indoor temperature regulator work normally?
For the power supply
1 shall be connected to the live wire.
2 shall be connected to the neutral wire.
Shall be connected to the earth wire.
23
Check and T est Run
Malfunction
code
Indoor unit LED2
Malfunction judgement
No.
Remark
indoor unit
malfunction
outdoor unit
malfunction
time
state
Indoor unit LED1
time
state
flash 1
2
flash
flash
flash
flash
flash
flash
flash
flash
flash
Malfunction
cause
1
2
3
6
7
8
14
10
1
2
3
4
5
6
7
8
9
10
Power supply led
flash 1 time
Power supply led
flash 2 time
Compressor led
flash 1 time
Compressor led
flash 2 time
Compressor led
flash 3 time
Compressor led
flash 6 time
Compressor led
flash 7 time
Compressor led
flash 8 time
Compressor led
flash 10 time
Compressor led
flash 14 time
Malfunction of the
room temp.sensor
Malfunction of the
piping temp.sensor
Malfunction of the
module
No load
E2ROM bad
Malfunction of the
ambient temp.sensor
Malfunction of the
piping temp.sensor
Malfunction of the indoor
and outdoor comumication
singlechip bad
voltage too high
ì
POWER
î
ì
RUN
î
4
flash
3
Power supply led
flash 4 time
Malfunction of the
overload heat
5
flash
4
Power supply led
flash 5 time
Malfunction of the
overload cool
10
flash
5
Power supply led
flash 10 time
Malfunction of the
water pump
Malfunction Judgement
24
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