Midea CBU-06HRFN1-MV0W Repair manual

Owner’s Manual &
Installation Manual
IMPORTANT NOTE:
• Read this manual carefully before installing
or operating your new air conditioning unit.
Make sure to save this manual for future reference.
One-way Cassette
MODEL
MCBU-06HRFN1-MV0W
MCBU-09HRFN1-MW0W
MCBU-12HRFN1-MV0W
MCBU-18HRFN1-MU2W

Unit Specications and Features
Owner’s Manual
Safety Precautions
Care and Maintenance
Troubleshooting
1. Unit Parts
2. Operating temperature
3. Features
4. Energy Saving Tips
.......................................................................................................................................................08
.........................................................................................................................09
.........................................................................................................................................................10
................................................................................................................................11
............................................................................04...................................
........................................................08
...........................
.........................................................................12
............................
...................................................................................15
..............................

Installation Manual
........................................................................................17
........................................................................................19
....................................................................20
....................................................................................................................20
...........................................................................................................................22
.....................................................................................................................25
.................................................................27
....................................................................................................................27
......................................................................................................................................28
................................................................................................................................28
........................................................................31
...............................................................................................................31
........................................................33
..................................................................................................36
....................................................................................................................................40
................................................................................................42
....................................................................................................................................43
....................................................................................................................43
......................................................................................................................................43
.......................................................................................................................45
................................................................................................................................46
Accessories
Unit Parts
Indoor Unit Installation
1. Select installation location
2. Indoor Unit Installation
3. Optinal parts installation
Outdoor Unit Installation
1. Select installation location
2. Install drain joint
3. Anchor outdoor unit
Drainpipe Installation
Indoor Drainpipe Installation
Refrigerant Piping Connection
Electrical Connections
Air Evacuation
Electrical and Gas Leak Chechs
Panel Installation
1. Prepare and install ceiling
2. Panel Installation
3. Optinal parts installation
Test Run
...................................
...................................
...................................
...................................
...................................
...................................

 Page 4
Read Safety Precautions Before Operation and Installation
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 appliance is not intended for use by persons(including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety. Children should be supervised to ensure that they do not play with the appliance.
Safety Precautions
This symbol indicates the possibility of
personnel injury or loss of life.
This symbol indicates the possibility of
property damage or serious consequences.
WARNING CAUTION
WARNINGS FOR PRODUCT USE
• If an abnormal situation arises (like a burning smell), immediately turn o the unit and
disconnect the power. Call your dealer for instructions to avoid electric shock, re or injury.
• Do not insert ngers, rods or other objects into the air inlet or outlet. This may cause injury,
since the fan may be rotating at high speeds.
• Do not use ammable sprays such as hair spray, lacquer or paint near the unit. This may cause
re or combustion.
• Do not operate the air conditioner in places near or around combustible gases. Emitted gas
may collect around the unit and cause explosion.
• 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.
• Do not expose your body directly to cool air for a prolonged period of time.
• Do not allow children to play with the air conditioner. Children must be supervised around
the unit at all times.
• If the air conditioner is used together with burners or other heating devices, thoroughly
ventilate the room to avoid oxygen deciency.
• In certain functional environments, such as kitchens, server rooms, etc., the use of specially
designed air-conditioning units is highly recommended.
• Toxic fumes may be produced if the refrigerant in this unit comes into contact with naked
ames (such as from a heater, gas stove/burners, or electric appliances).
Safety
Precautions

CLEANING AND MAINTENANCE WARNINGS
CAUTION
Safety
Precautions
WARNINGS FOR PRODUCT USE
 Page 5
• Dispose of this unit’s packaging carefully, so children cannot playwith it. Packaging, especially
plastic packaging, can be dangerous, can cause serious injury or death. Screws, staples and other
metal packaging components can be sharp and should be disposed of carefully to avoid injury.
• Do not open or remove the unit's panel when the unit is powered on. Touching the unit's
internal components while the unit is powered on can lead to electric shocks or injuries caused
by moving parts such as the unit's fan.
• Do not spray any liquids onto the unit or allow any liquids to drip onto the unit.
• The refrigerant in this unit is safe and should not leak if the system is designed and installed
properly. However, if a large amount of refrigerant leaks into a room, the oxygen concentration
will decrease rapidly, which can cause serious injury or death. The refrigerant used in this unit
is heavier than air, so the danger is greater in basements or other underground spaces. In the
event of a refrigerant leak, turn o any devices that produce a naked ame and any heating
devices, ventilate the room, and contact your supplier or service engineer immediately.
• Turn o the device and disconnect the power before cleaning. Failure to do so can cause
electrical shock.
• Do not clean the air conditioner with excessive amounts of water
• Do not clean the air conditioner with combustible cleaning agents. Combustible cleaning
agents can cause re or deformation.
• Turn o the air conditioner and disconnect the power if you are not going to use it for a long time.
• Turn o and unplug the unit during storms.
• Make sure that water condensation can drain unhindered from the unit.
• Do not operate the air conditioner with wet hands. This may cause electric shock.
• Do not use device for any other purpose than its intended use.
• Do not climb onto or place objects on top of the outdoor unit.
• Do not allow the air conditioner to operate for long periods of time with doors or windows
open,or if the humidity is very high.
• Some parts of the unit are sharp and can cause injury if touched. To prevent injury, when the
unit is being serviced, gloves should be worn .
ELECTRICAL WARNINGS
• Only use the specified power cord. If the power cord is damaged, it must be replaced by the
manufacturer, its service agent or similarly qualied persons in order to avoid a hazard.

TAKE NOTE OF FUSE SPECIFICATIONS
The air conditioner’s circuit board (PCB) is designed with a fuse to provide overcurrent protection.
The specifications of the fuse are printed on the circuit board ,examples of such are T5A/250VAC
and T10A/250VAC.
Safety
Precautions
 Page 6
ELECTRICAL WARNINGS
• Do not modify the length of the power supply cord or use an extension cord to power the unit.
• The product must be properly grounded at the time of installation, or electrical shock may occur.
• For all electrical work, follow all local and national wiring standards, regulations, and the
Installation Manual. Connect cables tightly, and clamp them securely to prevent external forces
from damaging the terminal. Improper electrical connections can overheat and cause re, and
mayalso cause shock. All electrical connections must be made according to the Electrical
Connection Diagram located on the panels of the indoor and outdoor units.
• All wiring must be properly arranged to ensure that the control board cover can close properly.
If the control board cover is not closed properly, it can lead to corrosion and cause the
connection points on the terminal to heat up, catch re, or cause electrical shock.
• Disconnection must be incorporated in the xed wiring in accordance with the wiring rules.
WARNINGS FOR PRODUCT INSTALLATION
• Installation must be performed by an authorized dealer or specialist. Defective installation can
cause water leakage, electrical shock, or re.
• Installation must be performed according to the installation instructions. Improper installation
can cause water leakage, electrical shock, or re.
(In North America,installation must be performed in accordance with the requirement of NEC
and CEC by authorized personnel only.)
• Contact an authorized service technician for repair or maintenance of this unit. This appliance
shall be installed in accordance with national wiring regulations.
• Only use the included accessories, parts, and specied parts for installation. Using non-standard
parts can cause water leakage, electrical shock, re, and can cause the unit to fail.
• Install the unit in a rm location that can support the unit’s weight. If the chosen location can
not support the unit’s weight, or the installation is not done properly, the unit may drop and
cause serious injury and damage
• Install drainage piping according to the instructions in this manual. Improper drainage may
cause water damage to your home and property
• 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 re.
• Do not turn on the power until all work has been completed.

 Page 7
ELECTRICAL WARNINGS
• When moving or relocating the air conditioner, consult experienced service technicians for
disconnection and reinstallation of the unit.
• How to install the appliance to its support, please read the information for details in "indoor
unit installation" and "outdoor unit installation" sections .
Safety
Precautions

 Page 8
Unit Specications and Features
NOTE: Illustrations in this manual are for explanatory purposes. The actual shape of your indoor
unit may be slightly dierent. The actual shape shall prevail.
Unit Parts
Unit Specications
and Features
Air Intake Grille
Air Filter
Air Vane
Display Panel
Air Outlet
Air Inlet
Electronic Control Box

“ ” when Electric heating feature is activated (Not available for this unit)
“ ” when TIMER is set.
“ ” when the unit is on.
“ ” Alarm indicator.
“ ” when Wireless Control feature is activated(some units)
“ ” when pre-heating/defrost feature is activated.
 Page 9
The display panel has one type and the appearance of the type is shown in below.
Display panel
Operating temperature
When your air conditioner is used outside of the following temperature ranges, certain safety
protection features may activate and cause the unit to disable.
COOL mode HEAT mode DRY mode
Room Temperature 16°C - 32°C
(61°F - 90°F)
0°C - 30°C
(32°F - 86°F)
10°C - 32°C
(50°F - 90°F)
Outdoor
Temperature
-25°C - 24°C
(-13°F - 75°F)
0°C - 50°C
(32°F - 122°F)
-25°C - 50°C
(-13°F - 122°F)
FOR OUTDOOR UNITS
WITH AUXILIARY
ELECTRIC HEATER
Inverter Split Type
When outside
temperature is below 0°C
(32°F ), we strongly
recommend keeping the
unit plugged in at all
time to ensure smooth
ongoing performance.
Unit Specications
and Features
NOTICENOTICE
Displays temperature, operation feature and Error codes:
“ ”
“ ” when Active Clean feature is turned on
“ ” when WiFi module enters AP mode(some units)
“ ” when Forced cooling feature is turned on
“ ” when 8℃heating feature is turned on
Room relative humidity less than 80%. If the air conditioner operates in excess of this gure,
the surface of the air conditioner may attract condensation. Please sets the vertical air ow
louver to its maximum angle (vertically to the oor), and set HIGH fan mode.

 Page 10
• Keep doors and windows closed.
• Limit energy usage by using TIMER ON and TIMER OFF functions.
• Do not block air inlets or outlets.
• Regularly inspect and clean air lters.
To further optimize the performance of your unit, do the following:
Features
Unit Specications
and Features
Default Setting
When the air conditioner restarts after a power
failure, it will default to the factory settings
(AUTO mode, AUTO fan, 24°C (76°F)). This
may cause inconsistencies on the remote
control and unit panel. Use your remote
control to update the status.
Auto-Restart
In case of power failure, the system will
immediately stop. When power returns, the
Operation light on the indoor unit will flash. To
restart the unit, press the ON/OFF button on
the remote control. If the system has an auto
restart function, the unit will restart using the
same settings.
Louver Angle Memory Function
Some models are designed with a louver angle
memory function. When the unit restarts after
a power failure, the angle of the horizontal
louvers will automatically return to the previous
position.
The angle of the horizontal louver should not
be set too small as condensation may form and
drip into the machine. To reset the louver, press
the manual button, which will reset the
horizontal louver settings.
Refrigerant Leak Detection System
(Multi-Zone Systems models do not have this
function)
In the event of a refrigerant leak, the LED
DISPLAY will display refrigerant leak error code
and the LED indicator light will flash.
Three-minute protection feature
A protection feature prevents the air
conditioner from being activated for
approximately 3 minutes when it restarts
immediately after operation.
The SLEEP function is used to decrease energy
use while you sleep (and don’t need the same
temperature settings to stay comfortable). This
function can only be activated via remote control.
And the Sleep function is not available in FAN or
DRY mode.
Press the SLEEP button when you are ready to
go to sleep. When in COOL mode, the unit will
increase the temperature by 1°C (2°F) after 1 hour,
and will increase an additional 1°C (2°F) after
another hour.
When in HEAT mode, the unit will decrease the
temperature by 1°C (2°F) after 1 hour, and will
decrease an additional 1°C (2°F)after another hour.
Set
temperature
1hr 1hr
Keep
running
SLEEP Operation
Saving energy during sleep
Heat mode( -1 C/2 F) per hour
for the rst two hours
Cool mode(+1 C/2 F) per hour
for the rst two hours
The sleep feature will stop after 8 hours and the
system will keep running with nal situation.
Sleep Operation

In the stand-by mode, press the “Mode” and
“Down” buttons for 3 seconds at the same time,
the remote controller enters the setting panel
state, and the remote controller displays "F2".
When setting the panel status, press the “Up”
or “Down” buttons of the remote controller to
control the rise or fall of the grille, and press any
other button to exit the setting.
Lifting panel operation
Unit Specications
and Features
Active Clean function (Multi-Zone Systems models
do not have this function)
The Active Clean Technology washes away
dust when it adheres to the heat exchanger by
automatically freezing and then rapidly thawing
the frost. A “pi-pi” sound will be heard.
The Active clean operation is used to produce
more condensed water to improve the cleaning
eect, and the cold air will blow out. After
cleaning, the internal wind wheel then keeps
operating with hot air to blow-dry the evaporator,
thus keeping the inside clean.
- When this function is turned on, the indoor
unit display window appears “CL ” , after 20 to
130 minutes, the unit will turn o automatically
and cancel Active Clean function.
- For some units, the system will start high
temperature cleaning process, and the
temperature of air outlet is very high.
Please keep away from it. And this would lead
to the rising of the room temperature .
 Page 11
• DO NOT set the unit to excessive temperature levels.
• While cooling, close the curtains to avoid direct sunlight.
• Doors and windows should be kept closed to keep cool or warm air in the room.
• DO NOT place objects near the air inlet and outlet of the unit.
• Clean the air lter every two weeks.
• Adjust louvers properly and avoid direct airflow.
• Closing curtains during heating also helps keep the heat in.
• Doors and windows should be kept closed.
Energy Saving Tips
The up and down height of the panel can
reach a maximum of 1.5 meters. During the
decline, if the grille is raised by the obstacles,
it will stop. During the ascending process, if
the grille is blocked and does not rise to the
correct height or a nger is pinched, it will
automatically descend after a period of time
and then ascend. If the grille is bocked for the
third times, then the display panel will report
an error and prompt for manual processing.
Breeze Away
This feature avoids direct air ow blowing on
the body and make you feel indulging in
silky coolness.

NOTICE
NOTICE
In households with animals, you will have
to periodically wipe down the grille to
prevent animal hair blocking airow.
• Contact an authorized service technician for
repair or maintenance. Improper repair and
maintenance may cause water leakage,
electrical shock, or re, and may void your
warranty.
• DO NOT substitute a blown fuse with a higher
or lower amperage rating fuse, as this may
cause circuit damage or an electrical re.
• Make sure the drain hose is set up according
to the instructions. Failure to do so could cause
leakage and result in personal property damage,
re and electric shock.
• Make sure that all wires are connected properly.
Failure to connect wires according to instructions
can result in electrical shock or re.
Care and Maintenance
BEFORE CLEANING OR MAINTENANCE
REMEMBER TO DISCONNECT THE POWER BEFORE
CLEANING OR MAINTENANCE, EXCEPT FOR CLEANING
AIR FILTER.TURN THE CURCUIT BREAKER OF THE INDOOR
UNIT TO OFF IS NOT A KIND OF POWER DISCONNECTION.
CAUTION
Cleaning Your Indoor Unit
• Only use a soft, dry cloth to wipe the unit
clean. If the unit is especially dirty, you can use
a clothsoaked in warm water to wipe it clean.
• Do not use chemicals or chemically treated
cloths to clean the unit.
• Do not use benzene, paint thinner,polishing
powder or other solvents to clean the unit.
They can cause the plastic surface to crack or
deform.
• Do not use water hotter than 40°C (104°F) to
clean the front panel. This can cause the panel
to deform or become discolored.
• DO NOT wash the unit under running water.
Doing so creates an electrical hazard.
Clean the unit using a damp, lint-free cloth
and neutral detergent. Dry the unit with a
dry, lint-free cloth.
WARNING: DO NOT REMOVE OR
CLEAN THE FILTER BY YOURSELF
Removing and cleaning the filter can be
dangerous. Removal and maintenance must
be performed by a certified technician.
Cleaning Your Air Filter
The lter prevents dust and other particles from
entering the indoor unit. Dust buildup can reduce
the eciency of the air conditioner. For optimum
eciency, clean the air lter every two weeks or
more frequently if you live in a dusty area.
Replace the lter with a new one if it’s heavily
clogged and cannot be cleaned.
Model A
1. In the stand-by mode, press the “MODE” and
“DOWN” buttons on the remote controller at
the same time for 3 seconds, the remote
controller enters the panel-setting state, the
remote controller displays "F2".
2. Then press “DOWN” button on the remote
controller, the air grille automatically goes down.
When it stops, pick up the air lter.
 Page 12
Care and
Maintenance

a. The air intake side should face up when using
a vacuum cleaner.
b. The air intake side should face down when
using clean water.
For excessive dusts, use a soft brush and natural
detergent to clean it and dry in a cool place.
CAUTION
4. Re-install the air lter.
5. Press “UP” button on the remote controller to
reset the air grille. (Applicable to model A)
Re-install the air grille by xing the two screws
and close the two screw covers.
(Applicable to model B)
• Do not dry out the air lter under direct
sunshine or with re.
• The air lter should be installed before the
unit body installation.
a. Hold the upper edge of the lter with both
hands. Gently turn and lift until the upper edge
is free from the wire rope.
b. Lift the lter and move it forward slightly until
the lter is separated from the 4 wire ropes.
c. Move the lter to the right until it is separated
from the air grille , and then the lter can be
taken out.
a
b
c
 Page 13
Care and
Maintenance
3. Clean the air lter
Dusts will accumulate on the lter along with
the unit operation, and need to be removed from
the lter,or the unit would not function eectively.
Clean the lter every two weeks when you use
the unit regularly.
Clean the air lter with a vacuum cleaner or
water.
Model B
1. Press the circular positon to open the two
screw covers, then remove the two screws.
2.Hold and open the air grille, then take out the
air lter.
Screw Cover
air lter

CAUTION
• Before changing the lter or cleaning, turn
o the unit .
• When removing lter, do not touch metal
parts in the unit. The sharp metal edges can
hurt you.
• Do not use water to clean the inside of the
indoor unit. This can destroy insulation and
cause electrical shock.
• Do not expose lter to direct sunlight when
drying. This can shrink the lter.
• Any maintenance and cleaning of outdoor
unit should be performed by an authorized
dealer or a licensed service provider.
• Any unit repairs should be performed by an
authorized dealer or a licensed service
provider.
• When the air grille is rising, please do not
hinder the grille from rising with your hands
or other objects.
Please do not pull the wire rope, if necessary,
please contact the local customer service
team.
Care and
Maintenance
Maintenance – Long Periods of Non-Use
If you plan not to use your air conditioner for an
extended period of time, do the following:
Maintenance – Pre-Season Inspection
After long periods of non-use, or before periods
of frequent use, do the following:
Check for
damaged wires Clean all lters Check for leaks
Make sure nothing is blocking all air inlets and outlets
Clean all lters Turn on FAN function until
unit dries out completely Turn o the unit and
disconnect the power
 Page 14
•

Troubleshooting
Common Issues
The following problems are not a malfunction and in most situations will not require repairs.
Issue Possible Causes
Unit does not turn
on when pressing
ON/OFF button
The Unit has a 3-minute protection feature that prevents the unit from overloading.
The unit cannot be restarted within three minutes of being turned o.
The unit may change its setting to prevent frost from forming on the unit.
Once the temperature increases, the unit will start operating in the
previously selected mode again.
The set temperature has been reached, at which point the unit turns o the
compressor. The unit will continue operating when the temperature
fluctuates again.
The indoor unit
emits white mist
In humid regions, a large temperature dierence between the room’s air
and the conditioned air can cause white mist.
Both the indoor and
outdoor units emit
white mist
When the unit restarts in HEAT mode after defrosting, white mist may be
emitted due to moisture generated from the defrosting process.
The unit changes from
COOL/HEAT mode to
FAN mode
The indoor unit makes
noises A squeaking sound may occur after running the unit in HEAT mode due to
expansion and contraction of the unit’s plastic parts.
Both the indoor unit
and outdoor unit make
noises
Low hissing sound during operation: This is normal and is caused by refrigerant
gas flowing through both indoor and outdoor units.
Low hissing sound when the system starts, has just stopped running, or is
defrosting: This noise is normal and is caused by the refrigerant gas stopping or
changing direction.
Squeaking sound: Normal expansion and contraction of plastic and metal parts
caused by temperature changes during operation can cause squeaking noises.
SAFETY PRECAUTIONS
If any of the following conditions occurs, turn o your unit immediately!
DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT AN AUTHORIZED
SERVICE PROVIDER IMMEDIATELY!
Cooling and Heating Models: If the Operation light and PRE-DEF (Pre-heating/
Defrost) indicators are lit up, the outdoor temperature is too cold and the unit’s
anti-cold wind is activated in order to defrost the unit.
In Cooling-only Models: If the “Fan Only” indicator is lit up, the outdoor
temperature is too cold and the unit’s anti-freeze protection is activated in
order to defrost the unit.
A squeaking sound is heard when the system is OFF or in COOL mode. The
noise is also heard when the drain pump (optional) is in operation.
Troubleshooting
• The power cord is damaged or abnormally warm.
• You smell a burning odor.
• The unit emits loud or abnormal sounds.
• A power fuse blows or the circuit breaker frequently trips.
• Water or other objects fall into or out of the unit.
 Page 15

Issue Possible Causes
The outdoor unit
makes noises The unit will make dierent sounds based on its current operating mode.
Dust is emitted from
either the indoor or
outdoor unit
The unit may accumulate dust during extended periods of non-use, which will be
emitted when the unit is turned on. This can be mitigated by covering the unit during
long periods of inactivity.
The unit emits a
bad odor
The unit may absorb odors from the environment (such as furniture, cooking,
cigarettes, etc.) which will be emitted during operations.
The unit’s filters have become moldy and should be cleaned.
The fan of the outdoor
unit does not operate
During operation, the fan speed is controlled to optimize product operation.
NOTE:
Troubleshooting
When troubles occur, please check the following points before contacting a repair company.
Problem Possible Causes Solution
Poor Cooling
Performance
Temperature setting may be higher
than ambient room temperature Lower the temperature setting
The heat exchanger on the indoor
or outdoor unit is dirty
Clean the aected heat exchanger
The air lter is dirty Remove the filter and clean it according to
instructions
The air inlet or outlet of either
unit is blocked
Turn the unit o, remove the obstruction
and turn it back on
Doors and windows are open Make sure that all doors and windows are
closed while operating the unit
Excessive heat is generated
by sunlight
Close windows and curtains during periods
of high heat or bright sunshine
Too many sources of heat in the
room (people, computers,
electronics, etc.)
Reduce amount of heat sources
Low refrigerant due to leak
or long-term use
Check for leaks, re-seal if necessary and
top o refrigerant
Troubleshooting
NOTICENOTICE
If problem persists, contact a local dealer or your nearest customer service center. Provide
them with a detailed description of the unit malfunction as well as your model number.
 Page 16

Problem Possible Causes Solution
The unit is not
working
Power failure Wait for the power to be restored
The power is turned o Turn on the power
The fuse is burned out Replace the fuse
The Unit’s 3-minute protection
has been activated Wait three minutes after restarting
the unit
Timer is activated Turn timer o
The unit starts and
stops frequently
There’s too much or too little
refrigerant in the system
Check for leaks and recharge the
system with refrigerant.
Incompressible gas or moisture
has entered the system.
Evacuate and recharge the system
with refrigerant
The compressor is broken Replace the compressor
The voltage is too high or
too low Install a manostat to regulate the
voltage
Poor heating
performance
Cold air is entering through
doors and windows Make sure that all doors and
windows are closed during use
Low refrigerant due to leak or
long-term use Check for leaks, re-seal if necessary
and top o refrigerant
System circuit is blocked
Determine which circuit is blocked and
replace the malfunctioning piece of
equipment
Troubleshooting
 Page 17
Accessories
The air conditioning system 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 re, or equipment failure.
Verify that the air conditioner includes the following accessories.
Manual
Name
Installation cardboard template
1
1
1
Shape Q‘ty(pc)
2
Remote controller
AAA Battery

To purchase
based on
actual project
requirements.
Accessories
Accessories
Note
Connecting pipe
assembly
Name Shape Q‘ty(pc)
Liquid side
Gas side
Φ6.35( 1/4 in)
Φ 9.52( 3/8in)
Φ 12.7( 1/2in)
Parts you must purchase
separately.Consult the dealer
about the proper pipe size of
the unit you purchased.
 Page 18
Wire controller (optional)
WiFi controller
(optional)
1
1
1
Panel 1
Name
Water receiver
Cable tie
Drainpipe adaptor
Screw kits (ST8*50 , M4*22 , ST3.9*16
, ST4.8*12,ST3.9*10）
1
6
1
1
(8,8,2,2,3)
Shape Q‘ty(pc)
Seal
Drain joint
1
1
Rubber ring
Copper nut 2

NOTICENOTICE
Unit Parts
Unit Parts
The installation must be performed in accordance with the requirement of local and national
standards. The installation may be slightly dierent in dierent areas.
NOTE ON ILLUSTRATIONS
Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit
may be slightly dierent. The actual shape shall prevail.
 Page 19
①
②
③
④
⑤
⑥
⑦⑦
⑧
Air-break switch
9
10
Outdoor unit power cable
10

NOTICENOTICE
Indoor Unit
Installation
Indoor Unit Installation
Step 1: Select installation location
Before Installation
Before installing the indoor unit, you must
choose an appropriate location. The following
are standards that will help you choose an
appropriate location for the unit.
Enough room exists for installation and
maintenance.
Enough room exists for the connecting the
pipe and drainpipe.
Kitchens that use natural gas
Areas with strong electromagnetic waves
Areas that store ammable materials or gas
Rooms with high humidity, such as
bathrooms or laundry rooms
Proper installation locations meet the
following standards:
Panel installation should be performed after
wiring and piping have been completed.
DO NOT install unit in the following
locations:
• Determine the route to move the unit to the
installation site.
• First unseal and unpack the unit. Then, hold
the seats of the hanger (4 pcs) to move the
unit. Refrain from exerting force on other parts
of the unit, especially the refrigerant piping,
water discharge piping, and the plastic parts.
√
√
The ceiling is horizontal and its structure can
sustain the weight of the indoor unit.
The air inlet and outlet are not blocked.
The airow can ll the entire room.
There is no direct radiation from heaters
√
√
√
√
Installation place
Areas with oil drilling or fracking
Coastal areas with high salt content in the
air
Areas with caustic gases in the air, such as
hot springs
Areas that experience power uctuations,
such as factories
Enclosed spaces, such as cabinets
(unit: mm/inch)
≤16mm(5/8 in )
＞500mm(19.69 in)
＞225mm(8.86 in)
220mm(8.66 in)
＞2500mm(98.43 in)
Ceiling hole
Roof
＞500mm(19.69 in)
 Page 20