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Aire Acondicionado Split
Ar Condicionado Split
Split air conditioner
BAC4256
BAC4257
BAC4258
BAC4300
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Dear client,
Thank you for purchasing this product.
The quality of this appliance has been certied by several
laboratory tests. This instructions manual is provided to
simplify the use of the appliance as well as to guarantee
a safe use.
Please read carefully the instructions and safety measures
described in this manual.
We sincerely hope you will be satised when using your new
appliance.
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EN
Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split
INDEX
1. SAFETY INSTRUCTIONS 4
1.1. Power Supply 5
1.2. Power Cord and Other Cables 5
1.3. Humidity and Water 5
1.4. Cleaning 6
1.5. General Precautions 6
2. OPERATING INSTRUCTIONS 10
2.1. Product Description 10
2.2. Product Usage 11
2.3. Maintenance 60
3. POSTSALE SERVICE 65
4. ENVIRONMENTAL PROTECTION 65
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1. SAFETY INSTRUCTIONS
Important Warnings
Before using your appliance read these instructions manual carefully
and keep it in a safe place as you may need to consult it in the future.
Before turning on your appliance, and to ensure a safe and correct
operation, do not use if:
• It has fallen to the ground;
• You notice any evidence of damage;
• Any anomaly occurs during its operation.
To avoid hazards or deterioration of your appliance through incorrect
use it is advisable to read these instructions thoroughly.
Your appliance may not be used for other purposes than the ones
intended and solely for household use. Any damage resulting from
using the appliance outside this scope, any incorrect use, as well as
any manual modifications to the product will not be covered and
automatically voids the warranty.
WARNING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
Warning: to avoid the risk of electric shock, do not
remove the cover. The interior does not contain any parts
that can be repaired by the user. Ask for the Customer
Support Service.
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Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split
Assistance
In case of malfunction, take your appliance to the Customer Support
Service for assistance.
This appliance can be used by children from the age of 8 and by
people with reduced physical, sensorial or mental capabilities and/or
lack of experience and knowledge if they have been given instructions
on using the appliance safely and if they understand the hazards
involved. Children may not play with the appliance. Cleaning and
maintenance must not be carried out by children without supervision.
These instructions are also available at www.suporteworten.pt
1.1. Power Supply
Make sure the main voltage is compatible with the appliance’s. If this is
not the case, please consult the Customer Support Service.
1.2. Power Cord and Other Cables
Do not tangle the cord or pull it to disconnect the appliance. Also, keep
the cord away from warm surfaces.
Never use the appliance if it has a damaged cable or socket.
Take it to the Customer Support Service for replacement.
1.3. Humidity and Water
Do not use your appliance in humid places. Do not allow the appliance
to become wet under any circumstances as this may be dangerous.
To avoid re hazard or electric shock do not expose your appliance
to humidity or water. Furthermore, do not place your appliance under
water (e.g. for cleaning).
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1.4. Cleaning
Before cleaning, be sure to switch o the appliance and remove the
plug from the main power supply. Always allow the unit to cool down
before cleaning.
To clean the exterior of the product, use a dry soft cloth only.
1.5. General Precautions
• Please follow the instructions in the user manual which will help you
to properly install and operate this product and enjoy its advanced
features. Please keep the instructions for future reference.
• Read all instructions before using the product.
• Maintenance and service operations are only to be carried out by
authorized professionals.
• Any damage caused by manual modifications to the product is not
covered by the warranty.
• If this product is used for other purposes than the ones originally
intended, or if it is not correctly connected, the product may become
damaged and the warranty will be voided.
• Incorrect installation due to ignoring instructions can cause serious
damage or injury.
The seriousness of potential damage or injuries is classified as either a
WARNING or CAUTION.
WARNING This symbol indicates that ignoring instructions may
cause death or serious injury.
CAUTION This symbol indicates that ignoring instructions may
cause moderate injury to your person, or damage to
your appliance or other property.
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Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split
This symbol indicates that you must never perform the action
indicated.
WARNING
DO NOT modify the length of the power supply cord or use an
extension cord to power the unit.
DO NOT share the electrical outlet with other appliances. Improper
or insuicient power supply can cause fire or electrical shock.
When connecting the refrigerant piping, DO NOT let substances
or gases other than the specified refrigerant enter the unit. The
presence of other gases or substances will lower the unit’s capacity
and can cause abnormally high pressure in the refrigeration cycle.
This can cause explosion and injury.
DO NOT allow children to play with the air conditioner. Children
must be supervised around the unit at all times.
1. Installation must be performed according to the installation
instructions by an authorized dealer or specialist. Defective or improper
installation can cause water leakage, electrical shock or fire (In North
America, installation must be performed in accordance with the
requirement of NEC and CEC by authorized personnel only).
2. Contact the Customer Support Service should this unit need repair
or maintenance.
3. Only use the included accessories, parts and specified parts for
installation. Using non-standard parts can cause water leakage,
electrical shock or fire and can cause the unit to fail.
4. Install the unit in a steady location that can support its weight.
If the chosen location cannot support the unit’s weight, or the
installation is not done properly, the unit may drop and cause serious
injury and damage.
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5. Do not use any means to accelerate the defrosting process or to
clean the unit other than those recommended by the manufacturer.
6. The unit shall be stored in a room without continuously operating
ignition sources (for example: open flames, an operating gas appliance
or an operating electric heater)
7. Do not pierce or burn the unit.
8. The unit shall be stored in a well-ventilated area where the room size
corresponds to the room area as specific for operation.
9. Be aware that refrigerants may not contain an odour.
Note: items 6 to 9 above are required for the units using R32/R290
Refrigerant.
10. For all electrical work, follow all local and national wiring standards,
regulations and the Installation Manual. You must use an independent
circuit and single outlet to supply power. Do not connect other
appliances to the same outlet. Insuicient electrical capacity or defects
in electrical work can cause electrical shock or fire.
11. For all electrical work, use the specified cables. Connect cables
tightly and clamp them securely to prevent external forces from
damaging the terminal. Improper electrical connections can overheat
and cause fire and may also cause shock.
12. All wiring must be properly arranged to ensure that the control
board cover can close properly. If the control board cover does
not close properly, it can lead to corrosion and cause the terminal
connection points to heat up, catch fire or cause electrical shock.
13. In certain functional environments, such as kitchens, server rooms, etc.,
the use of specially designed air conditioner units is highly recommended.
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Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split
14. If the supply cord is damaged, it must be replaced by the manufacturer,
its service agent or similarly qualified persons in order to avoid a hazard.
CAUTION
For units that have an auxiliary electric heater, DO NOT install the
unit within 1 meter (3 feet) of any combustible materials.
DO NOT install the unit in a location that may be exposed to
combustible gas leaks. If combustible gas accumulates around the
unit, it may cause fire.
DO NOT operate your air conditioner in a wet room such as a
bathroom or laundry room. Too much exposure to water can cause
electrical components to short circuit.
1. The product must be properly grounded at the time of installation or
it can cause electrical shocks.
2. Install drainage piping according to the instructions in this manual.
An improper drainage may cause water damage to your home and
property.
3. The appliance shall be stored so as to prevent mechanical damage
from occurring.
4. Any person involved with working on or breaking into a
refrigerant circuit should hold a current valid certificate from an
industry-accredited assessment authority, which authorizes their
competence to handle refrigerants safely in accordance with an
industry recognized assessment specification.
Note about Fluorinated Gasses
1. This air conditioner unit contains fluorinated gasses. For specific
information on the type of gas and the amount, please refer to
the relevant label on the unit itself. Compliance with national gas
regulations shall be observed.
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2. Installation, service, maintenance and repair of this unit must be
performed by a certified technician.
3. Product uninstallation and recycling must be performed by a
certified technician.
4. If the system has a leak-detection system installed, it must be
checked for leaks at least every 12 months. When the unit is checked
for leaks, proper record-keeping of all checks is strongly recommended.
2. OPERATING INSTRUCTIONS
2.1. Product Description
Accessories
The air conditioner comes with the following accessories. Use all of the
installation parts and accessories to install the air conditioner. Improper
installation may result in water leakage, electrical shock and fire, or
cause the equipment to fail.
Name Shape Quantity
Mounting plate
1
Clip anchor
5
Mounting plate fixing
screw ST3.9 X 25
5
Remote control
1
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Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split
2.2. Product installation
WARNING
The appliance must be stored in a well-ventilated area where the room
size corresponds to the room area as specified for operation.
The appliance shall be installed, operated and stored in a room with a
floor area larger than 4 m².
The appliance shall not be installed in an unventilated space, if that
space is smaller than 4 m².
Name Shape Quantity
Fixing screw for
remote control holder
ST2.9 x 10
2 Optional Parts
Remote control holder
1
Dry battery AAA.LR03
2
Seal
1 (for cooling &
heating models only)
Drain joint
Connecting pipe
assembly
Liquid side 6. 35 (1/4 in) Parts you must
purchase. Consult
the dealer about the
pipe size.
9.52 (3/8 in)
Gas side 9.52 (3/8 in)
12.7 (1/2 in)
16 (5/8 in)
19 (3/4 in)
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For R290 refrigerant models, the room where the appliance is installed
should have the following minimum size:
• ≤ 9000 Btu/h units: 13 m2
• > 9000 B tu/h and ≤12 000 Btu/h units: 17 m2
• > 12 000 Btu/h and ≤18 000 Btu/h units: 26 m2
• > 18 000 Btu/h and ≤24 000 Btu/h units: 35 m2
Installation Summary – Indoor Unit
Select Installation Location
2,3m (90,55in)
15cm (5,9in)
12cm
(4,75in)
12cm
(4,75in)
Determine Wall Hole Position
Drill Wall HoleAttach Mounting Plate
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Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split
Connect Piping Connect Wiring
Wrap Piping and Cable
(not applicable for some locations in the US)
Mount Indoor Unit
Prepare Drain Hose
Unit Parts
Note: the installation must be performed in accordance with the local
and national standards. The installation may be slightly dierent in
dierent areas.
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Fig. 1
Air-break switch
1 - Wall Mounting Plate
2 - Front Panel
3 - Power Cable (not included)
4 - Louver
5 - Purifier Filter (not included)
6 - Drainage Pipe
7 - Signal Cable
8 - Refrigerant Piping
9 - Remote control
10 - Remote control Holder
11 - Outdoor Unit Power Cable (not included)
NOTE ON ILLUSTRATIONS
This manual’s figures are for illustration purposes only. The actual
shape of your indoor unit may be slightly dierent, but its actual shape
shall prevail.
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Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split
Indoor Unit Installation
Fig. 1a
PRIOR TO INSTALLATION
Before installing the indoor unit, refer to the label on the product box
to make sure that the model number of the indoor unit matches the
model number of the outdoor unit.
Step 1: Select the installation location
Before installing the indoor unit, choose an appropriate location.
The following are standards that will help you choose an appropriate
location for the unit.
Proper installation locations meet the following standards:
Good air circulation
Convenient drainage
Noise from the unit will not disturb other people
Steady and solid - the location will not vibrate
Strong enough to support the unit’s weight
A location at least one meter from all other electrical devices
(e.g., TV, radio, computer)
DO NOT install unit in the following locations:
Near any source of heat, steam or combustible gas
Near flammable items such as curtains or clothing
Near any obstacle that might block air circulation
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Near the doorway
In a location subject to direct sunlight
NOTE ABOUT THE WALL HOLE:
If there is no fixed refrigerant piping:
While choosing a location, be aware that you should leave ample
room for a wall hole (refer to step 3 below) for the signal cable and
refrigerant piping that connect the indoor and outdoor units.
The default position for all piping is the right side of the indoor unit
(facing the unit).
However, the unit can accommodate piping to both the left and right.
Refer to the following diagram to ensure proper distance from walls
and ceiling:
Fig. 1b
15cm (5,9in) or more
2,3m (90.55in) or more
12cm (4,75in)
or more
12cm (4,75in)
or more
Step 2: Attach the mounting plate to the wall
The mounting plate is the device onto which you will mount the indoor
unit.
1. Remove the screw that attaches the mounting plate to the back of
the indoor unit.
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Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split
2. Place the mounting plate against the wall in a location that meets
the standards in step 1 above (see the Mounting Plate Dimensions for
detailed information on mounting plate sizes).
3. Drill holes to mount the screws in places that:
• have studs and can support the unit’s weight
• correspond to screw holes in the mounting plate
4. Secure the mounting plate to the wall with the screws provided.
5. Make sure that mounting plate is flat against the wall.
NOTE FOR CONCRETE OR BRICK WALLS:
If the wall is made of brick, concrete or a similar material, drill 5 mm-
diameter (0.2 in-diameter) holes in the wall and insert the sleeve
anchors provided. Then secure the mounting plate to the wall by
tightening the screws directly into the clip anchors.
Step 3: Drill the wall hole to connect the piping
You must drill a hole in the wall for refrigerant piping, the drainage pipe,
and the signal cable that will connect the indoor and outdoor units.
1. Determine the location of the wall hole based on the position of the
mounting plate. Refer to the Mounting Plate Dimensions on the next
page to help you determine the optimal position. The wall hole should
have a minimum 65 mm (2.5 in) diameter, and at a slightly lower angle
to facilitate drainage.
2. Using a 65 mm (2.5 in) or 90 mm (3.54 in) (depending on models)
core drill, drill a hole in the wall. Make sure the hole is drilled at a slight
downward angle, so that the outdoor end of the hole is lower than
the indoor end by about 5 mm to 7 mm (0.2-0.27 in). This will ensure
proper water drainage (see Fig. 2).
3. Place the protective wall cu in the hole. This protects the edges of
the hole and will help seal it when you finish the installation process.
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CAUTION
When drilling the wall hole, make sure to avoid wires, plumbing, and
other sensitive components.
Fig. 2
Indoor Outdoor
Wall
5-7mm
(0,2-0,7in)
MOUNTING PLATE DIMENSIONS
Dierent models have dierent mounting plates.
In order to ensure that you have ample room to mount the indoor unit,
the diagrams below show dierent types of mounting plates along with
the following dimensions:
• Width of the mounting plate
• Height of the mounting plate
• Width of the indoor unit in relation to the plate
• Height of the indoor unit in relation to the plate
• Recommended position of the wall hole (both to the left and right of
the mounting plate)
• Relative distances between screw holes
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Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split
Correct orientation of Mounting Plate
228,5mm (8,99in)
398mm (15,98in)
805mm (31,7in)
241mm (9,48in)
Indoor unit outline
115.6mm(4.55in) 117.5mm(4.62in)
45mm(1.7in) 101.6mm(4in)
39mm (1,5in)
39mm
(1,5in)
47,1mm
(1,85in)
47,1mm
(1,85in)
Right rear wall
hole 65mm (2,5in)
Model 9k and 12k BTU
Left rear wall
hole 65mm (2,5in)
285mm (11,2in)
439mm (17,28in)
224,2mm (8,82in)
304,1mm (11,9in)
958.3mm (37,7in)
123.6mm(4.86in) 117.5mm(4.62in)45mm(1.7in) 183.6mm(7.2in)
Model 18k BTU
Right rear wall
hole 65mm (2,5in)
Left rear wall
hole 65mm (2,5in)
302mm (11,88in)
47,1mm
(1,85in)
47,5mm
(1,87in) 36,6mm
(1,44in)
Indoor unit outline
506mm (19,92in)
291mm (11,45in)316,7mm (12,4in)
1027,6mm (40,85in)
271,5mm (10,69in) 245mm (9,58in)
Model 24k BTU
Right rear wall
hole 65mm (2,5in)
Left rear wall
hole 65mm (2,5in)
324,9mm (12,79in)
47mm
(1,85in)
45mm
(1,77in)
45mm
(1,77in)
47mm
(1,85in)
55mm
(2.16in)
55mm
(2,16in)
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Note: when the gas side connective pipe is 16 mm (5/8 in) or more,
the wall hole should be 90 mm (3.54 in).
Step 4: Prepare the refrigerant piping
The refrigerant piping is inside an insulating sleeve attached to the
back of the unit. You must prepare the piping before passing it through
the hole in the wall. Refer to the Refrigerant Piping Connection section
of this manual for detailed instructions on pipe flaring and flare torque
requirements, technique, etc.
1. Based on the position of the wall hole in relation to the mounting
plate, choose the side from which the piping will exit the unit.
2. If the wall hole is behind the unit, keep the knock-out panel in place.
If the wall hole is to the side of the indoor unit, remove the plastic
knock-out panel from that side of the unit (see Fig. 3). This will create a
slot through which your piping can exit the unit. Use needle nose pliers
if the plastic panel is too diicult to remove by hand.
Fig. 3
Knock-out Panel
3. Use scissors to cut down the length of the insulating sleeve to reveal
about 15 cm (6 in) of the refrigerant piping. This facilitates:
• the Refrigerant Piping Connection process
• Gas Leak Checks and enable you to check for dents
4. If the existing connective piping is already embedded in the wall,
proceed directly to the Connect Drain Hose step. If there is no embedded
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