INSTALLATION & REPAIR GUIDE
Split Wall-Mounted Air Conditioner
*
Selection of installation positions for indoor unit
*
* To be installed at the position where the air delivered from the unit can reach every corner of
the room;
* To avoid being affected by the outdoor air;
* To avoid blockage to the air inlet or outlet of the unit;
* To avoid too much oil smoke or steam;
* To avoid possible generation, inflow, lingering or leakage of flammable gases;
* To avoid high-frequency facilities (such as high frequency arc welders, etc.);
* To avoid the places where acid solutions are frequently used;
* To avoid the places where some special sprayers (sulfides) are frequently used.
* Not to install a fire alarming device near the air outlet of the unit (during operation, the fire alarm
device might be erroneously triggered by the warm air from the unit);
*
Make sure of enough space for installation and maintenance.
* To take into consideration the operational convenience and safety in installation, it is recommended
to ensure enough space between the unit and the walls.
Ceiling
Above 100mm(4")
Left side: 150mm(6")
and above
Wall hanging plate
2300mm(7'6")
and above
ground
*
Height limits of indoor and outdoor units.
* Either the indoor unit or the outdoor unit can be higher, but the height difference must comply the stated
requirements.
* Try to reduce the bending of the piping line as much as possible so as to avoid possible negative impacts upon the
performances of the units.
Indoor unit
5m(16'5")max.
outdoor
unit
Right side: 150mm (6")
and above
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INSTALLATION & REPAIR GUIDE
Split Wall-Mounted air conditioner
*
Selection of installation positions for outdoor unit
*
* To install the outdoor unit at the places which can stand the load of the machine weight and will
not cause big vibrations and noises;
* To install the unit at the places not to be exposed to rain or direct sunshine, and the places with
good ventilation;
* The noises generated from the unit will not affect the neighboring places;
* Do not install the unit on non-metal frame;
* Not to install the unit at the places where there might occur the generation, inflow, stay or
leakage of inflammable gases;
* Pay attention to the drainage of the condensed water from the base plate during operations;
* To avoid the air outlet being directly against the wind.
Detailed space requirements around the outdoor unit
1. When there are obstacles above
the unit
100mm(4") min
500mm(1'8") min
4. When there are obstacles at the front and rear sides.
2. When the front (air outlet) is open 3. When there are obstacles only in
200mm(8") min
200mm(8") min
300mm(1') min
100mm(4") min
1000mm(3'4") min
the front (air outlet)
500mm(1'8") min
Space for maintenance
Shown as in the following figure. Keep
the maintenance space in front of the
unit.
200mm
(8")min
500mm
(1'8")min
5. When there are obstacles all around
the unit on four sides.
Although the top side is open, the
installation is not to be done if there
are obstacles all around.
500mm(1'8") min
Space for maintenance
* At least two sides should
be kept open.
2
*
Installation fixture of indoor unit
INSTALLATION & REPAIR GUIDE
Split Wall-Mounted air conditioner
*
Pipelines can be connected in the directions of****
****and* as indicated in Fig.1. When the pipelines
are connected to the directions of***and*, a groove
for the pipes has to be opened at the proper place on
the base stand.
1.Installation of wall-mounting plate
Fix the wall-mounting plate firmly on the wall with screws.
Make sure of the leveling of the plate. Slanted wall-mounting
plate might jeopardize the smooth discharge of the condensed
water.
2.Drill holes on the wall
Drill holes at places slightly below the wall-mounting plate,
with hole diameter of 65mm(2-3/5") and the outer edge of
the hole 5-10mm(1/5-2/5") lower (Fig.2) so that the condensed
water can smoothly flow out. Cut the wall penetrating pipe
to proper length according to the thickness of the wall (35mm(1/10-1/5") longer than the wall thickness) and insert
the pipe as indicated in Fig.2.
3.Installation of drain pipe
Install the pipelines of the indoor unit in accordance with
the direction of the wall holes. Wrap tightly the drain pipe
and the pipelines with tape. Make sure that the drain pipe
is underneath the pipelines. (Fig.3) (When the drain pipe
passes the room interior, some condensed water might
occur to its surfaces if the humidity is very high).
Fig.1
*Right outlet
Fig.2
Wall cap
Fig.3
*Bottom outlet
Fix with a tape
Wall pipe
Drain pipe
*Rear outlet
Interior
*Left outlet
*Left rear outlet
5-10mm lower
(1/5-2/5")
Wall
Exterior
Pipelines of indoor unit
Rear pipe
4.Installation of indoor unit
Pass the connection wires, connecting pipelines and drain
pipe through the wall hole. Hang the indoor unit on the
hooks at the top of the wall-mounting plate so that the
hooks at the bottom of the indoor unit match the hooks of
the wall-mounting plate. (Fig.4)
3
Fig.4
Bottom hooks
Top hooks
Hook supports
INSTALLATION & REPAIR GUIDE
Split Wall-Mounted air conditioner
Inspections:
a. Check if the hooks at the top and bottom
are firmly fixed.
b. Check if the position of the master unit is
properly leveled.
c. The drain pipe should not curve upward
(Fig.5).
d. The drain pipe should be at the lower part
of the wall pipes (Fig. 5).
*
Installation fixture of outdoor unit
* Try to ship the product to the installation location in its original package;
* As the gravity center of the unit is not at the installation center, special caution should be taken
when using hoisting cables to lift it up;
* During shipping, the outdoor unit must not be slanted to over 45 degrees (Do not store the unit
in a horizontal way).
* Use expansion bolts to fix the mounting supports on the wall;
* Use bolts and nuts to fix the outdoor unit firmly on the supports and keep on the same level;
* If the unit is installed on the wall or at the rooftop, the supports have to be firmly fixed so as to
resist earthquake or strong wind.
*
Drain pipe
Connecting wires
Fig.5
Connecting pipe
Wall pipe
Drain pipe
Dimensions for parallel units installations
300mm(1')min
*
Pipelines connection
*
Ordinary pipelines connection (it is suitable for non-quick coupler)
No dust ,foreign articles,air or moisture should be allowed to enter the air conditioning system.Careful
attention should be paid when pipeline connection for outdoor unit is made.Try to avoid repeated
curves as much as possible,otherwise hardening or cracks might be caused to the copper pipes.Suitable
wrenches should be used when the pipeline connection is done so as to ensure appropriate torque(refer
to following torque Table 1).Excessive torque might damage the joints while too little torque might
lead to leakage.
*
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Table 1 Torque based upon the wrench to be used
Outer diameter of
copper pipe
6.35(1/4")
9.52(3/8")
12.7(1/2")
15.88(5/8")
19.05(3/4")
*
Special pipelines connection(it is suitable for quick coupler)
Tightening torque
160kgf.cm(63kgf.inch)
300kgf.cm(118kgf.inch)
500kgf.cm(197kgf.inch)
750kgf.cm(295kgf.inch)
1200kgf.cm(472kgf.inch)
Strengthened tightening torque
200kgf.cm(79kgf.inch)
350kgf.cm(138kgf.inch)
550kgf.cm(216kgf.inch)
800kgf.cm(315kgf.inch)
1400kgf.cm(551kgf.inch)
In case of the users purchasing the machine for quick
coupler,there is no need to do the air purging procedures
and the following pipeline connection procedures should
be adopted:
1.Remove the dust caps from the indoor and outdoor units,
and the connecting pipe.
2.Align the joint counter of connecting pipe with the proper
indoor and outdoor joint conic surfaces,tighten the connecting
nut manually.Then,make it secure with a wrench as shown
Fig. 6 ,applying to above torque Table 1.
INSTALLATION & REPAIR GUIDE
Split Wall-Mounted air conditioner
Fig.6
Fig.7
3.Remove the two valve core caps from the outdoor unit.
4.Turn on the high and low pressure valve cores with an
socket wrench,then tighten the two valve core caps of the
outdoor unit (Fig.7).
5.Finally ,wrap the hot insulating cotton around the joints
of indoor and outdoor units.
*
Notes on installation of quick coupler:
1.Connecting pipe bending minimum radius parameters
(Table 2)
2.Quick coupler assembly and disassembly limit:
the assembly and disassembly times are inadvisably
more than 7.
5
Low pressure valve
High pressure valve
Table 2 Minimum bending radius
Normial
diameter(mm)
DN8(5/16")
DN10-12
(1/2")
DN14-16
(5/8")
Minimum bending
radius(mm)
80(3")
100(4")
150(6")
Quick coupler
(wrapping with insulating cotton)
Valve core cap
cooling capacity
2100~2300W
(7000~8000BTU)
2500~5100W
(9000~18000BTU)
6100~7000W
(22000~24000BTU)
INSTALLATION & REPAIR GUIDE
Lo Hi
Split Wall-Mounted air conditioner
*
Air purging
*
Air purging with vacuum pump
*
1.Check that pipelines connection have been properly
connected,remove the charging port cap,and connect
the manifold gauge and the vacuum pump to the
charging valve by service hoses as shown Fig.8.
2.Open the valve of the low pressure side of manifold
gauge,then,run the vacuum pump.Vacuum the indoor
unit and the connecting pipes until the pressure in
them lowers to below 1.5mmHG(The operation time
for vacuuming is about 10 minutes).When the desired
vacuum is reached,close the valve of the low pressure
of the manifold and stop the vacuum pump.
3.Disconnect the service hoses and fit the cap to
the charging valve.
4.Remove the blank caps,and fully open the spindles
of the 2-way and 3-ways valves with a service valve
wrench.
5.Tighten the blank caps of the 2-way and 3-ways
valves,applying the above torque Table 1.
Indoor unit
Outdoor unit
Pressure gauge
Manifold gauge
Charging
port
3-way valve
2-way valve
Union nut
Blank cap
Valve stem
Service hose
*
Adding refrigerant
Vacuum pump
Refrigerant must be added if the piping measures more
than 5 metres(16'5") in length.This operation can only
be performed by a professional technician,for the
additional amount,see the table 3 below.
Table 3
Liquid pipe diameter 6.35(1/4")
(piping length-5)mx30g
or (piping length-16)ftx0.3oz
*
Gas leakage inspection
Additional refrigerant amount
Liquid pipe diameter: 9.52(3/8")
(piping length-5)mx65g
or (piping length-16)ftx0.7oz
Fig. 8
After the pipieline connection is done,use a leakage inspection device or soap suds to carefully check
if there is any leakage at the joints.This is an imporant step to ensure the quality of installation.Once
a leakage is detected,proper treatment should be taken immediately.
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INSTALLATION & REPAIR GUIDE
Split Wall-Mounted air conditioner
*
Connection of power cable
1.Remove the drawer of the outdoor unit.
2.Non-quick coupler:connect the indoor power and control
wires with the matched outdoor wires in accordance
with the electric schematic diagram and make sure
that the connection is firmly done
Quick coupler:directly connect quick cable couplers with
indoor and outdoor quick cable couplers after disassembly
of the outdoor unit connecting box cover
3.Use a press plate to fix the wires firmly,and re-install
the drawer.
Note:Do not connect the wires in a wrong way,otherwise electric malfunctions will be caused and
even damages to the units will occur.The appliance shall be installed in accordance with national
wiring regulation.If the supply cord is damaged,it must be replaced by the manufacturer or its service
agent or a similarly qualified person in order to avoid a hazard.The plug shall be accessible after
installing the appliance.If the model have not plug that a switch which have a contact separation
of at least 3 mm(1/10") in all poles shalled be added in fixed wiring.
*
Finishing touches
* Use thermal tube to wrap the joints and wrap the tube tightly with ethylene tapes.
* Fix the wrapped pipelines on the exterior wall with clamps.
* Fill in the gaps left over by the pipeline hole and wall hole to prevent rain-water from entering.
*
Test running
* Connect to the power source,check if the function selection keys on the remote controller are
working properly.
* Check if the room temperature adjustments and timer settings are working properly.
* Check if the drain is smooth.
* Check if there is any abnormal noise or vibration during operation.
* Check if there is leakage of refrigerant.
*
Is the unit installed correctly?
*
Suitable Installation Position
*
Isn't there anything which prevents ventilation or obstructs operation in front of the indoor unit ?
Do not install the unit following place .
*
Inflammable gases may leak .
*
Oil splashes a lot .
*
In case where the unit is used in such places as poisonous or sultry gases are generated or seaside
district exposed to sea breezes corrosion may cause malfunction . Consult with your distributor .
*
Air conditioner body and remote controller must be I m(39-3/4") or more away from a TV or a radio.
Drain the dehumidified water from the indoor unit to a place which drains well .
*
(Fig.9).
*
*
(Fig.10).
*
Fig.9
Drawer
Fig.10
wire pressing plate
screw
*
Pay attention to operation noise
*
When installing the unit , choose a place which can stand the weight of the unit well and does
not increase the operation noise or vibration . Especially where there is a possibility that vibration
be transmitted to the house , fix the unit by inserting attached vibration -proof pads between the
unit and fittings .
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INSTALLATION & REPAIR GUIDE
Split Wall-Mounted air conditioner
*
Choose the place where hot air and operation noise from the outlet of the outdoor unit do not annoy
the neighborhood .
*
Things left near the outlet and inlet of the outdoor unit cause malfunction or increased operation
noise . Do not leave obstacles near the outlet and inlet .
*
If irregular sound is heard during operation , consult with your distributor .
*
Inspection and Maintenance
*
According to the service conditions and operating environment , the inside of the air conditioner
will become dirty after several seasons (3 to 5years ) of service , resulting in decreased operating
performance .Inspection and maintenance are recommended in addition to usual cleaning (The
air conditioner can be used for a longer period and without anxiety .)
*
As to inspection and maintenance , consult your dealer or any one of business offices of dealing
companies .(Service charge is required in this case .)
*
We recommend to perform inspection and maintenance during an off seasons.
*Self Dia gnosis Functions*
Our company provides the thoughtful services for customer,air conditioners had been
installed self diagnosis system to display the information for the units.
Self-check
information
Hint to defrosting
Hint to defense
against cold wind
Failure of room
temperature sensor
Failure of coiled
pipe sensor
Abnormality of
outdoor unit
Without feedback of
internal fan motor
Zero crossing signal
without current
External feedback
failure
Overheat protection
Water pump failure
Self-check code of luminotron/
(Self-check code of running lamp)
Flicker 1 time/1s
Flicker 1 time/3s
Flicker 2 times/4s
(Flicker 2 times/8s)
Flicker 3 times/5s
(Flicker 1 time/8s)
Flicker 4 times/6s
(luminating)
Flicker 5 times/7s
(Flicker 6 times/8s)
Flicker 6 times/8s
Flicker 7 times/9s
Flicker 8 times/10s
Flicker 9 times/11s
Digital self-check code/
(Polychrome screen self-check code)
Indicates "dF"or defrosting
indicator displays
Fan motor picture not running
E2/(L2)
E3/(L1)
E4/(E5)
E5/(L6)
E6
E7
E8
E9
Note:Above self check information is commonly applicable in our most air conditioners,but some
are special,you can refer to the User's Manual for information or contact the dealer or authorized
maintenance people for help.
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