Wall Mounted Unit
Owner’s Manual
Models
Thank you for choosing INVENTOR air
conditioning system. For correct use of this unit,
please read this manual carefully and keep it for
future reference.
B2VI-24/B2VO-24
B2VI-18/B2VO-18
66129912893
This symbol stands for the items
should be forbidden.
This symbol stands for the items
should be followed
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Operation and maintenance
Safety Precautions
Operation Tips
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Name of Parts
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Operation of Remote Controller
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Care and Cleaning
Troubleshooting
Installation service
Notices for installation
Installation Drawing
Installation of Indoor Unit
Installation of Outdoor Unit
Check after installation and test operation
Emergency Operation
Installation and Maintenance of Healthy Filter
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Configuration of connection pipe and additional volume of
refrigerant
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Do not dispose this product as unsorted municipal waste.
Collection of such waste separately for special treatment
is necessary.
The products in this manual may be different with the real one, according to different
models, some models have displayer and some models without displayer, the position
and shape of the displayer please refer to the real one.
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.
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CONTENTS
Please read the following notices before operation.
Warning
- 1 -
Safety Precautions
Make sure that the power
plug is inserted tightly.
Do not unplug the power plug
when the unit is operating.
Do not damage the power cord
or use unspecified power cord.
★
★
★
Otherwise, it may cause electric
shock or fire.
Otherwise, it may cause electric
shock or fire.
Otherwise, it may cause electric
shock or fire.
Do not share the socket with
other electric appliances or
extend the power cord by using
other sockets.
Do not operate the air condi-
tioner with wet hands.
Do not drag the power cord to
pull out the plug.
★
Otherwise, it may cause electric
shock or fire.
★
Otherwise, it may cause electric
shock.
★
Otherwise, it may cause fire due to
overheating of power cord.
Before cleaning the air cond-
plug.
When the voltage is too low,
the compressor will vibrate fiercely,
which may damage the cooling
system.
If there's abnormal phenomenon(like smell of burning),
please cut off the power immediately and then contact with
Gree authorized maintenance
center.
itioner,please turn off the air con
-ditioner and unplug the power
★
Otherwise, it may cause electric
shock or injury.
★
If there's abnormal phenomenon
(like smell of burning), please cut
off the power immediately and then
contact with Gree authorized
maintenance center.
If this abnormal status is kept
★
on, air conditioner may be
damaged or even cause
electric shock or fire.
- 2 -
Safety Precautions
★
★
★
★
★
For safety, be sure to turn
off the circuit beaker before
★
★
★
★
No earthing may cause electric
shock.
performing any maintenance
Accumulated dust may cause fire
or electric shock.
Select the most appropriate
temperature.
Keep room about
5 cooler than
outside.
It can save electric energy.
Do not keep windows and
doors open for a long time
during operation.
It will result in insufficient performance.
Do not block the air inlet or
outlet.
and cause
malfunctions.
Keep combustible materials
at least 1m away from the
units.
.noisolpxeroerifesuacyamtI
It may cause falling of the unit
and
injury to the person.
Install the outdoor
unit firmly
enough.
Do not step on the top of the
outdoor unit or place heavy
things on it.
It may cause damage or injury.
Do eht riaper ot tpmet atton
air conditioner by yourself.
Incorrect repairs may cause electric
shock or fire. Please contact the
local a
uthorised s
ervice center.
Always ensure effective
earthing.
or cleaning or when the
product is not used for an
extended period of time.
℃
It will result in insufficient performance
- 3 -
Safety Precautions
★
★
★
★
★
★
★
★
Do not cut off or damage the power cords or
control cords. If they are damaged, please
contact the dealer or qualified service
personnel.
To change the airflow direction, adjust the vertical
and horizontal air flow direction by using the
remote controller.
Vertical Louver
Horizontal
Louver
Do not insert your hands or objects into
the air inlet or outlet.
It may cause an accident.
Do not expose animals or plants directly to
the air flow.
Do not expose yourself to cold air directly
for a long time.
Do not use the unit for any other purpose, such
as preserving food
or drying clothes.
Do not splash water on the air conditioner. Do not place a burner near the air
conditioner.
It will cause CO toxicosis due to incomplete burning.
It may have a detrimental effect on them.
It's not good for your health.
It may cause electric shock or malfunction.
Cooling Operation
Principle:
Air conditioners absorb heat in the room and transmit it to the outdoor unit so that the
room temperature is decreased. The cooling capacity will increase or decrease according
to outdoor ambient temperature.
F
reeze
Protection:
If the unit is operating in COOL mode and in low ambient temperature, frost may form
on the heat exchanger. When indoor heat exchanger temperature decreases below zero,
compressor will stop operation to protect the unit.
*
*
*
*
*
Principle:
Defrosting:
Air conditioners absorb heat from outdoors and transmit it to the indoor unit, increasing
room temperature. The heating capacity will decrease at low ambient temperature.
When outdoor temperature is low but humidity is high, frost may form on the outdoor unit
during extended operation, affecting heating efficiency. The air conditioner may stop
operation during auto defrosting operation.
During auto defrosting, the fan motors of indoor unit and outdoor unit will stop.
During defrosting, the indoor indicator flashes and the outdoor unit may emit vapor.
This is not malfunction.
After defrosting is finished, the heating operation will recover automatically.
Anti-cold Air Function:
In HEAT mode, the indoor fan will not operate in order to prevent cold air blowing out
(within 2 minutes) if indoor heat exchanger doesn't reach a certain temperature under the
following three states:
1. Heating operation starts; 2. After Auto Defrosting is finished; 3.Heating at low temperature.
Rest Heat Blow
In the following situations, the indoor unit may still run for some time, to blow out the rest
heat of the indoor unit.
1. In HEAT mode, the temperature reaches the setting value, the compressor stops and the
indoor fan still run for 60s.
Heating Operation
- 4 -
Operation Tips
2. In HEAT mode, if you turn off the unit, the compressor stops and the indoor fan still run for
10s.
Tips for energy saving:
*
Do not overcool or overheat
.
Setting temperature at a moderate level helps energy saving.
*
Cover windows with a blind or a curtain.
Blocking sunlight and air from outdoors is favorable for cooling (heating).
*
Clean air filters once per two weeks.
Clogged air filters lead to inefficient operation and energy waste.
Tip for relative humidity:
Condensate is likely to form at the air outlet if cooling or drying for a long time
when the relative humidity is more than 80% ( with doors and windows open).
Maximum cooling
Maximum heating
Indoor sideDB/WB(oC)
Outdoor sideDB/WB(oC)
32/23
27/---
43/26
24/18
The operating temperature range (outdoor temperature) for cooling unit is 18℃~ 43℃；
for cooling and heating unit is -7℃~ 43℃.
Operating Temperature Range
- 5 -
Operation Tips
Indoor unit
Outdoor unit
Remote control
Front panel
Filter
Guide louver
Wall pipe
Bind tape
Connection wire
Drainage pipe
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(1)
(2)
(3) (4)
(5)
(6)
(7)
(8)
Air in
Air out
：Cool
：Dry
：Heat
：Set temp.
：
Power
The icons displayed:
Air in
Air out
- 6 -
Name of Parts
Remote Controller Description
2
8
9
10
3
4
11
12
7
6
13
14
5
1
Press it to start or stop operation
ON/OFF
MODE
Press it to select operation mode
(AUTO/COOL/DRY/FAN/HEAT)
+ : Press it to increase temperature
setting
-
: Press it to decrease temperature
setting
FAN
Press it to set swing angle
TIMER ON
TIMER OFF
CLOCK
X-FAN (page 10)
TEMP (page 10)
TURBO(page 10)
SLEEP(page 10)
Press it to turn on/off the light.
LIGHT
Press it to set fan speed
Press it to set auto-on timer
Press it to set auto-off timer
Press it to set clock
1
2
3
4
5
6
7
8
9
10
11
12
13
14
- 7 -
Operation of Remote Controller
This area will show the set temperature.
DIGITAL display:
23
Press FAN button to select the
desired fan speed setting(AUTO-
Low-Med-High).Your selection will
be displayed in the LCD windows,
except the AUTO fan speed.
FAN SPEED display:
25
is displayed when pressing
the
up & down swing
button.
Press this button again to clear the
display.
18
Up & down swing icon:
After pressing TIMER button, ON
or OFF will blink.This area will
show the set time.
SET TIME display:
21
SLEEP icon :
is displayed by pressing
the SLEEP button. Press this
button again to clear the display.
16
n
is displayed when pressing the
ottub siht sserP.nottub OBRUT
again to clear the display.
TURBO icon:
22
is displayed when pressing the
X-FAN button. Press this button
again to clear the display.
X-FAN icon:
24
15
16
20
23
24
22
25
17 18 19
21
MODE icon:
If MODE button is pressed,
current operation mode icon
(AUTO), ( COOL),
(DRY), (FAN) or (HEAT
is only for heat pump models) will
15
show.
LIGHT icon:
is displayed by pressing the
LIGHT button.Press LIGHT button
again to clear the display.
19
LOCK icon:
20
is displayed by pressing "+" and
"-" buttons simultaneously. Press
them again to clear the display.
- 8 -
Operation of Remote Controller
Pressing TEMP button,
(set temperature),
ambient temperature)
(outdoor ambient temperature)
and blank is displayed circularly.
(indoor
TEMP icon:
17
NOTE: “ ” function is applicable
to partial of models.
Remote Controller Description
Press this button to turn on the unit. Press this button again to turn off the unit.
ON/OFF :
1
MODE :
Each time you press this button,a mode is selected in a sequence that goes from AUTO,
COOL,DRY, FAN, and HEAT
*
, as the following:
AUTO
COOL
DR
Y
FAN HE
AT
*
*Note: Only for models with heating
function.
2
After energization, AUTO mode is defaulted. In AUTO mode, the set temperature will not
be displayed on the LCD, and the unit will automatically select the suitable operation
mode in accordance with the room temperature to make indoor room comfortable.
+
:
Press this button to increase set temperature. Hold it down for above 2 seconds to
3
rapidly increase set temperature. In AUTO mode, set temperature is not adjustable.
Press this button to decrease set temperature. Hold it down for above 2 seconds to rapidly
.
4
decrease set temperature. In AUTO mode, set temperature is not adjustable.
FAN :
This button is used for setting fan speed in the sequence that goes from AUTO,
,
to
then back to Auto.
,
,
Auto
Low speed
Medium speed
High speed
5
Press this button to set up & down swing angle, which circularly changes as below:
:
OFF
6
This remote controller is universal. If any command , or is sent out,
the unit will carry out the command as
indicates the guide louver swings as:
- 9 -
Operation of Remote Controller
TURBO:
Press this button to activate / deactivate the Turbo function which enables the unit to
reach the preset temperature in the shortest time. In COOL mode, the unit will blow strong
cooling air at super high fan speed. In HEAT mode, the unit will blow strong heating air
at super high fan speed. (This function is not applicable for some models).
12
SLEEP:
Press this button to go into the SLEEP operation mode. Press it again to cancel this
function. This function is available in COOL, HEAT (Only for models with heating
function) mode to maintain the most comfortable temperature for you.
13
TIMER OFF:
Press this button to initiate the auto-off timer. To cancel the auto-timer program, simply
press the button again.TIMER OFF setting is the same as TIMER ON.
8
fan will continue operation for 2 minutes in order to dry the indoor unit even though you
X-FAN:
Pressing X-FAN button in COOL or DRY mode,the icon is displayed and the indoor
e turned off the unit.vah
After energization, X-FAN OFF is defaulted. X-FAN is not available in AUTO, FAN or
HEAT mode.
10
Note:X-FAN is the alternative expression of BLOW for the purpose of under standing.
TIMER ON:
Press this button to initiate the auto-ON timer. To cancel the auto-timer program, simply
press this button again.
7
setting. Within 5 seconds, press + or - button to adjust the time value. Every press of either
button changes the time setting by 1 minute. Holding down either button rapidly changes the
time setting by 1 minute and then 10 minutes. Within 5 seconds
after setting, press TIMER
ON button to confirm.
After pressing this button, disappears and "ON "blinks
. 0
0:00 is displayed for ON time
present time. Holding down either button above 2 seconds increases or decreases the
CLOCK :
time by 1 minute every 0.5 second and then by 10 minutes every 0.5 second. During
9
will be constantly displayed.
blinking after setting, press CLOCK button again to confirm the setting, and then
Pressing CLOCK button, blinks eht stsujda nottub - ro + gnisserp , sdnoces 5 nihtiW .
- 10 -
Operation of Remote Controller
11
TEMP:
Caution:
no display
Press this button, you can see indoor set temperature, indoor ambient temperature
on indoor unit’s display. The setting on remote controller is selected circularly as below:
" " with remote controller, temperature
unit displays set temperature; When selecting
When selecting " " with remote controller or no display, temperature indicator on indoor
indicator on indoor unit displays indoor ambient temperature; 3s later or within 3s it
receives other remote control signal that will return to display the setting temperature.
•
It’s defaulted to display set temperature when turning on the unit.
•
Only for the models with temperature indicator on indoor unit.
•
can operate " " and indoor unit displays set temperature.
This model hasn't outdoor ambient temperature display function.
While remote controller
Press "+" and "-" buttons simultaneously to lock or unlock the keypad. If the remote
three times.
At unit OFF, press "MODE" and "-" buttons simultaneously to switch between ℃ and ℉.
★
●
●
●
●
●
1.Remove the battery cover plate from the rear of the remote controller.
(As shown in the figure)
2.Take out the old batteries.
3.Insert two new AAA1.5V dry batteries, and pay attention to the polarity.
4. Reinstall the battery cover plate.
When replacing the batteries, do not use old or different types of batteries.
If the remote controller will not be used for a long time, please
Otherwi
se, it may cause malfunction.
remove batteries to prevent batteries from leaking.
The operation should be performed in its receiving range.
It should be kept 1m away from the TV set or stereo sound sets.
If the remote controller does not operate normally, please take the
batteries out and reinsert them after 30 seconds. If it still can't operate
Sketch map for
replacing batteries
Notes:
Replacement of Batteries
properly, replace the batteries.
Press LIGHT button to turn on the display's light and press this button again to turn off
LIGHT:
14
controller is locked, is
displayed. In this case,
pressing any button, blinks
disappears.
the display's light. If the light is turned on , is displayed. If the light is tunrned off,
Combination of "+" and "-" buttons: About lock
15
Combination of "MODE" and "-" buttons: About switch between Fahrenheit and Centigrade
16
- 11 -
Operation of Remote Controller
Mode Model Temperature setting Airflow rate
AUTO COOLING 25 ( COOL,FAN) AUTO
AUTO HEAT
℃
℃
℃
PUMP 25 ( COOL,FAN) AUTO
AUTO HEAT PUMP 20 ( HEAT) AUTO
When the remote controller is lost or damaged,
please use the manual switch on the main unit.
In that case, the unit will operate in AUTO mode
and the temperature setting or fan speed can
not be changed.
The manual switch can be operated as below:
Turn on the unit: Press AUTO/STOP button to
enter AUTO mode.
The microprocessor will select the mode
(COOL, HEAT, FAN) automatically according
to the room temperature for reaching comfortable
effect.
Turn off the unit: Press the AUTO/STOP button to
switch off the unit.
Emergency Operation
●
●
Manual swit ch
The operation mode is shown in the following table.
●
This switch is to be applied when the remote controller is missing.
●
- 12 -
Emergency Operation
℃
( a)
(
b)
Caution
Wipe the units with a dry soft cloth, or a cloth slightly moistened with water or cleaner (not with
volatile liquid such as thinner or gasoline).
Note:
Do not touch the fin of indoor unit during cleaning to avoid personal injury.
Remove the front panel.
●
●
●
Disconnect the power supply before cleaning and maintenance.
Do not splash water on the units for cleaning, as electric shocks may occur.
Dip a piece of cloth into the water colder than 45 and dry it. Then wipe
the dirty part of front panel.
Note: Do not immerse the front panel into water so as to protect microprocessor components and circuit
diagram on the front panel.
℃
② Clean the air filter
③
①
Take down the air filter
Lift up the front panel.
Pull the air filter downwards to take it off,
as shown in Fig.(a,b).
Use a vacuum cleaner to remove dust.
If the filters are dirty, wash them with warm water
and mild detergent.
Dry the filters in the shade.
Note: Never use water above 45 to clean the air
filter as it may cause deformation or discoloration.
Reinstall the air filter
Reinstall the filters along the direction of arrowhead.
Close the panel.
Cleaning the Air Filter (every 3 months)
Cleaning the Front Panel
- 13 -
Care and Cleaning
① Be sure that nothing obstructs the air outlet and inlet.
②
③
①
②
③
④
Check before Use
Maintenance after Use
Switch off the power supply.
Clean the filters and
Clear obstructions from the outdoor unit.
Check if the batteries of remote controller are replaced.
Check if the installation stand of the outdoor unit is damaged.
If damaged, consult the technicians.
bodies of indoor and outdoor units.
Repaint the rubiginous place on the outdoor unit to prevent it from spreading.
- 14 -
Care and Cleaning
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CAUTION
Phenomenon
Troubleshooting
Waiting
The unit does not operate:
The unit does not operate if it is turned on
immediately after being turned off. This is to
Odours are emitted:
Some odours may be emitted from the indoor
unit. This is the result of room smells (such as
furniture, tobacco, ect.) which have been taken
Consult authorized service center for cleaning
if the odours still exist.
"Water flowing" noise:
The swishing noise like water flowing is the
sound of refrigerant flowing inside the unit.
Mist is emitted in COOL mode:
During cooling operation, a thin mist may be
seen emitted from the indoor unit due to high
room temperature and humidity.
After a period of time,
the mist will disappear with the decrease of
room temperature and humidity.
The air conditioner is not expected to be serviced by users. Incorrect repair may cause
electric shock or fire, so please contact an authorized service center for professional
service. The following checks prior to contact may save your time and money.
Cracking noise:
This is the sound of friction caused by expansion
and/or contraction of panel or other parts due
to the change of temperature.
protect the unit. You are expected to wait
for
about 3
minutes.
into the air conditioner.
- 15 -
Troubleshooting
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Phenomenon
Troubleshooting
The unit can not be started up :
Is the power cut off?
Is the power plug loose? (If applicable )
Is the circuit protection device tripped off?
Is voltage higher or lower?
(Tested by professionals)
Is the TIMER correctly used?
Cooling/Heating effect is poor :
Is temperature setting appropriate?
Is low fan speed set?
Remote controller is not available :
The humidity is high.
Drain hose is loose.
Noise from indoor unit : The noise emitted when the fan or compressor
relay is switching on or off.
Breaking off
Are there heat sources in the room?
Is
filter dirty?
the
sI
inlet or outlet blocked?
the
Check if there is magnetic or electrical interference
near the unit that may affecting operation of
the controller. In this case, pull the plug out and
reinsert it.
Is the remote controller within its operating range
or obstructed? Check the condition of the
batteries and replace them if necessary.
Check if the remote controller is damaged.
Water leakage of indoor unit :
Water leakage of outdoor unit :
Condensate
overflows.
During cooling operation, condensate is
generated around the pipes and connection joints.
During defrosting operation, the thaw water flows
out.
●
During heating operation, the water on the heat
exchanger drips out.
When the defrosting operation is
started or stopped,
there is a sound of refrigerant flowing in the
reverse direction.
Is the window or the door open?
- 16 -
Troubleshooting
In HEAT mode, when the temperature of indoor
heat exchanger is very low, air flow is stopped
in order to prevent cold air. (Within 2 minutes)
In HEAT mode, when the outdoor temperature
is low or humidity is high, frost will be formed on
the outdoor heat exchanger. The unit will defrost
automatically and indoor unit will stop blowing
air for 3-12 minutes.
During defrosting operation, water or vapour may
be emitted.
●
●
In DRY mode, the indoor fan will stop blowing air
for 3-12 minutes in order to avoid condensate
being vaporised again.
If the unit operates at high humidity for a long time,
moisture will be generated on the air outlet grill
and then drip off.
If any one of the following situations occurs,
immediately stop all operations
cut off the power supply, and contact the authorized personnel.
Strong odours are emitted during operation.
The air switch or protection switch often trips.
Power cord and power plug is overheating.
Stop operation and cut off the
power supply.
●
●
●
●
Phenomenon
Troubleshooting
Indoor unit can not blow air:
Moisture on air outlet:
C5: Malfunction of connector jumper:
Check if the connector jumper contacts properly.
If the PCB is to be replaced, please take off the
old for the new PCB.
F1
: Malfunction of indoor ambient temperature
sensor
●
Check if indoor room temperature sensor is
connected properly.
●
sensor
F2: Malfunction of evaporator temperature
Check if the evaporator temperature is connected
properly.
There is harsh sound during operation.
Water is leaking from the unit.
Water or other liquid is splashed into the unit.
●
●
●
●
Defrosting or oil return mode
H6: Indoor fan block
It is normal.
Replace the fan motor or the indoor board if
disabled.
Check if the terminal of the indoor motor is
connected properly.
The indicating lamp in heat mode will wink 0.5s
and light 10s.
- 17 -
Troubleshooting
Caution
Installation Site Instructions
Proper installation site is vital for correct and efficient operation of the unit. Avoid the
following sites where:
●
Strong heat sources, vapours, flammable gas or volatile liquids are emitted.
●
High-frequency electro-magnetic waves are generated by radio equipment, Welders and
medical equipment.
●
Salt-laden air prevails (such as close to coastal areas).
●
The air is contaminated with industrial vapours and oils.
●
The air contains sulphures gas such as in hot spring zones.
●
Corrosion or poor air quality exists.
1. The unit should be installed only by authorized service center according to local or
government regulations and in compliance with this manual.
2. Before installing, please contact with local authorized maintenance center. If the unit is
not installed by the authorized service center, the malfunction may not be solved due to
incovenient contact between the user and the service personnel.
3. When removing the unit to the other place, please firstly contact with the local authorized
service center.
4. Warning: Before obtaining access to terminals, all supply circuits must be disconnected.
5. For appliances with type Y attachment, the instructions shall contain the substance of
the following. 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.
6. The appliance must be positioned so that the plug is accessible.
7. The temperature of refrigerant line will be high; please keep the interconnection cable
away from the copper tube.
8. The instructions shall state the substance of the following:
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.
- 18 -
Notices for installation
Installation Site of Indoor Unit
Installation Site of Outdoor Unit
Safety Precautions for Electric Appliances
1. The air inlet and outlet should be away from the obstructions. Ensure the air can be blown
through the whole room.
2. Select a site where the condensate can be easily drained out, and where it is easily
connected to outdoor unit.
3. Select a place where it is out of reach of children.
4. Select a place where the wall is strong enough to withstand the full weight and vibration
of the unit.
5. Be sure to leave enough space to allow access for routine maintenance. The installation
site should be 250cm or more above the floor.
6. Select a place about 1m or more away from TV set or any other electric appliance.
7. Select a place where the filter can be easily taken out.
8. Make sure that the indoor unit is installed in accordance with installation dimension
instructions.
9. Do not use the unit in the laundry or by swimming pool etc.
1. Select a site where noise and outflow air emitted by the unit will not annoy neighbors.
2. Select a site where there is sufficient ventilation.
3. Select a site where there is no obstruction blocking the inlet and outlet.
4. The site should be able to withstand the full weight and vibration.
5. Select a dry place, but do not expose the unit to direct sunlight or strong wind.
6. Make sure that the outdoor unit is installed in accordance with the installation instructions,
and is convenient for maintenance and repair.
7. The height difference between indoor and outdoor units is within 5m, and the length of
the connecting tubing does not exceed 10m.
8. Select a place where it is out of reach of children.
9. Select a place where the unit does not have negative impact on pedestrians or on the city.
1. A dedicated power supply circuit should be used in accordance with local electrical safety
regulations.
2. Don't drag the power cord with excessive force.
3. The unit should be reliably earthed and connected to an exclusive earth device by the
professionals.
4. The air switch must have the functions of magnetic tripping and heat tripping to prevent
short circuit and overload.
5. The minimum distance between the unit and combustive surface is 1.5m.
6. The appliance shall be installed in accordance with national wiring regulations.
7. An all-pole disconnection switch with a contact separation of at least 3mm in all poles
should be connected in fixed wiring.
Note:
Make sure the live wire, neutral wire and earth wire in the family power socket are properly
connected. There should be reliable circuit in the diagram.
Inadequate or incorrect electrical connections may cause electric shock or fire.
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●
- 19 -
Notices for installation
Earthing Requirements
1. Air conditioner is type I electric appliance. Please ensure that the unit is reliably earthed.
2. The yellow-green wire in air conditioner is the earthing wire which can not be used for
other purposes. Improper earthing may cause electric shock.
3. The earth resistance should accord to the national criterion.
4. The power must have reliable earthing terminal. Please do not connect the earthing wire
with the following:
①
Water pipe
②
Gas
③
Contamination pipe
④
Other place that professional personnel consider is unreliable
25A
Air switch capacityAir-conditioner (W)
5. Including an air switch with suitable capacity, please note the following table. Air switch
should be included magnet buckle and heating buckle function, it can protect the
circuit-short and overload. (Caution: please do not use the fuse only for protect the circuit)
18、24K
- 20 -
Notices for installation
Installation Drawing
Space to the ceiling
Space to the wall
Space to the wall
Air outlet side
Space to the floor
Above
Above
15cm Above
15cm
Above
Above
Space to the wall
50cm Above
The dimensions of the space necessary for proper
installation of the unit include the minimum
permissible distances to adjacent parts.
●
15cm
300cm
250
cm
Space to the
obstruction
Air outlet side
Air inlet side
Space to the wall
200cm Above
evobA mc05
30cm Above
30cm Above
- 21 -
Installation Drawing
Φ
55/70
Drill Piping Hole
1.Slant the piping hole (Φ55/70) on the wall slightly downward to the
outdoor side.
2.Insert the piping-hole sleeve into the hole to prevent the connection piping
and wiring from being damaged when passing through the hole.
Indoor Outdoor
Wall pipe
Seal pad
Installation of Mounting Plate
1. Mounting plate should be installed horizontally. As the water tray's outlet for the indoor unit is two-way
type, during installation, the indoor unit should slightly slant to water tray's outlet for smooth drainage of
condensate.
2. Fix the mounting plate on the wall with screws.
3. Be sure that the mounting plate has been fixed firmly enough to withstand about 60 kg. Meanwhile, the
weight should be evenly shared by each screw.
Fig.5
1.
2.
Installation of Drain Hose
Connect the drain hose to the outlet pipe of the indoor unit .
Bind the joint with rubber belt.
Put the drain hose into insulating tube.
insulating tube
drain hose
outlet pipe of
indoor unit
drain hose
outlet pipe of
indoor unit
outlet pipe of
indoor unit
rubber belt
rubber belt
18K UNIT:
14
194
52
298
940
82
45
160
256
694
Φ55
Φ55
24K UNIT:
685
139
184
157
90
36
65
45
315
Φ70
Φ70
- 22 -
Installation of Indoor Unit
●
●
●
After tightening the screws, pull the wire slightly to confirm whether it's firm or not.
●
●
Make sure that all wiring connections are secure and the cover plates are reinstalled
NOTE:
All wires between indoor and outdoor units must be connected by the qualified electric
contractor.
Electric wires must be connected correctly. Improper connection may cause malfunction.
Tighten the terminal screws securely.
Make sure that the electric connections are earthed properly to prevent electric shock.
properly. Poor installation may cause fire or electric shock.
Connecting Indoor and Outdoor Electric Wires
Fig.6
1. Open the front panel.
2. Remove the wiring cover as shown in Fig 6.
3. Make the power connection cord pass through the hole at the back of indoor unit.
4. Reinstall the cord anchorage and wiring cover.
5. Reinstall the front panel.
3.
Wrap the insulating tube with wide rubber belt to prevent
the shift of insulating tube. Slant the drain hose downward
slightly for smooth drainage of condensate.
Note: The insulating tube should be connected reliably with
the sleeve outside the outlet pipe. The drain hose should be
slanted downward slightly, without distortion, bulge or
fluctuation. Do not put the outlet in the water.
bulge distortion
outlet pipe of
indoor unit
insulating tube
connected
rubber belt
Flooded
Wiring Cover
outdoor unit connection
N(1) 2 3
blue black brown
yellowgreen
- 23 -
Installation of Indoor Unit
18、24K Heat pump type:
右后
4. The installation site should be 250cm or more above
the floor.
2. Take out the piping from body case; wrap the piping,
power cords, drain hose with the tape and then make
them pass through the piping hole. (As shown in Fig.8)
3. Hang the mounting slots of the indoor unit on the
upper hooks of the mounting plate and check if it is
firm enough.(As shown in Fig.9)
●
1. When routing the piping and wiring from the left or
right side of indoor unit, cut off the tailings from the
chassis when necessary(As shown in Fig.7)
(1) Cut off tailing 1 when routing the wiring only;
(2) Cut off tailing 1 and tailing 2 when routing both
the wiring and piping.
1. Align the center of the pipe flare with the related valve.
2. Screw in the flare nut by hand and then tighten the
nut with spanner and torque wrench by referring to the
following:
Installation of Indoor Unit
The piping can be output from right, right rear, left
or left rear.
Installation of Connection Pipe
NOTE: Connect the connection pipe to indoor unit at first and then to outdoor unit. Handle
piping bending with care. Do not damage the connection pipe. Ensure that the joint nut
is tightened firmly, otherwise, it may cause leakage.
Spanner
Torque
wrench
Piping
Taper nut
Indoor unit piping
Fig.9
Mounting
plate
Fixing hook
Mounting
baord
Right
Right rear
Fig.8
Left rear
Left
Fig.7
Tailing 1
Tailing 2
Finally wrap it
with tape
Gas side piping
insulation
Water drainage pipe
Liquid side
Piping insulation
Gas side pipe
External connection
electric wire
Liquid side piping
Ф 6.35(1/4”)
Ф 9.52(3/8”)
Ф 12.7(1/2”)
34 ~ 42 N·m(340-420kgf.cm)
14 ~ 18 N·m(140-180kgf.cm)
49 ~ 61 N·m(490-610kgf.cm)
Ф 15.88(5/8”) 68 ~ 82 N·m(680-820kgf.cm)
Tube diameter
Tightening torque,approximate(N·m)
- 24 -
Installation of Indoor Unit
●
●
Electric wiring
NOTE:
Incorrect wiring may cause malfunction of spare part.
After the wire has been fixed, ensure there is freespace between the connection and
fixing places on the lead wire.
4. Confirm if the wire has been fixed properly.
5. Reinstall the handle.
1. Remove the handle on the right side plate of outdoor unit.
2. Take off wire cord anchorage. Connect and fix power cord
to the terminal board. Wiring should fit that of indoor unit.
3. Fix the power cord with wire clamps and then
connect the corresponding connector.
Handle
Schematic diagram being reference only, please refer to real product for authentic information.
N(1)
2 3
blue black brown
yellowgreen
Indoor unit connection
Manifold
Valve
Multimeter
-76cmHg
Lo Handle
Charging hose
Manometer
Hi handle
Charging hose
Vacuum pump
Low pressure valve
Air purging and leakage test
1. Connect charging hose of manifold valve to charge end of low pressure
valve (both high/low pressure valves must be tightly shut).
2. Connect joint of charging hose to vacuum pump.
3. Fully open handle handle of Lo manifold valve.
4. Open the vacuum pump to evacuate. At the beginning,
slightly loosen joint nut of low pressure valve to check
if there is air coming inside. (If noise of vacuum pump
has been changed, the reading of multimeter is 0)
Then tighten the nut.
5
(-76cmHg).
5. Keep evacuating for more than 15mins and make
sure the reading of multimeter is -1.0×10 pa
6. Fully open high/low pressure valves.
7. Remove charging hose from charging end of low pressure valve.
8. Tighten bonnet of low-pressure valve. (As shown in Fig.10)
Fig.10
- 25 -
Installation of Outdoor Unit
18、24K Heat pump type:
1.
(1) Do not switch on power before installation isfinished completely.
(2) Electric wiring must be connected correctly and securely.
(3) Cut-off valves of the connection pipes should be opened.
(4)
2.
(1) Switch on power, press "ON/OFF" button on the wireless remote control to start
the operation.
(2)
Check after installation
Items to be checked Possible malfunction
Has it been fixed firmly?
The unit may drop, shake or emit noise.
Have you done the refrigerant leakage test?
It may cause insufficient cooling(heating)
capacity
Is heat insulation sufficient?
It may cause condensation and dripping.
Is water drainage well?
It may cause condensation and dripping.
Is the voltage in accordance with the rated
voltage marked on the nameplate?
It may cause electric malfunction
or damage the part.
Is the electric wiring and piping
connection installed correctly and securely?
It may cause electric malfunction
or damage the part.
Has the unit been connected to a secure
earth connection?
It may cause electrical leakage.
Is the power cord specified?
It may cause electric malfunction
or damage the part.
Is the inlet and outlet been covered? It may cause insufficient cooling(heating)
capacity.
Has the length of connection pipes
and refrigerant capacity been recorded?
The refrigerant capacity is not accurate.
Test Operation
Before test operation
All the impurities such as scraps and thrums must be cleared from the unit.
Test operation method
Press MODE button, to select the COOL,HEAT (Cooling only unit is not available),
FAN to check whether the operation is normal or not.
- 26 -
Check after installation and test operation
Fig. a
Installation Instructions
1. Forcibly pull the panel for a specific angle
from the two ends of the front panel according
to the arrow direction.Then pull the air filter
2. Mount the healthy filter onto the air filter,(as
shown in Fig.b). If the air filter cannot be installed, please mount the healthy filter on
3. Mount the air filter properly along the arrow
direction in Fig.d, and then close the panel cover.
ion filter can't be cleaned with water, while active carbon, photocatalyst,
low temperature conversion (LTC) catalyst, formaldehyde eliminator, ca-
The healthy filter commonly has its usage lifetime for one year under
normal
condition. As for silver ion filter, it is invalid when its surface becomes
according to the installation instruction. Pay special attention to that silver
Take out the healthy filter before cleaning and reinstall it after cleaning
Cleaning and Maintenance
Service Life
●
Healthy filter
Air filter
Healthy filter
downwards to remove it. (See Fig.a)
the front case. (as shown in Fig.c)
Fig. b
Fig. c
Fig. d
techin or mite killing filter can, but can't with brush or hard things. Dry it in
the shade or sun after cleaning, but not by wiping.
black (green).
goods, the latter one shall prevail.The quantity of healthy filters shall be
based on the actual delivery.
This supplementary instruction is provided for reference to the unit with
healthy filter. If the graphics provided herein is different from the physical
- 27 -
Installation and Maintenance of Healthy Filter
1. Standard length of connection pipe
5m、7.5m、8m
2. Min length of connection pipe
For the unit with standard connection pipe of 5m, there is no limitation
for the min length of connection pipe. For the unit with standard connection
pipe of 7.5m and 8m, the min length of connection pipe is 3m.
3. Max length of connection pipe
4. The calculation method of additional refrigerant oil and refrigerant charging
amount after prolonging connection pipe
After the length of connection pipe is prolonged for 10m at the basis of
standard length, you should add 5ml of refrigerant oil for each additional
5m of connection pipe.
The calculation method of additional refrigerant charging amount (on the
(1) Additional refrigerant charging amount= prolonged length of liquid pipe × additional
refrigerant charging amount per meter
(2) When the length of connection pipe is above 5m, add refrigerant according
to the prolonged length of liquid pipe. The additional refrigerant charging
amount per meter is different according to the diameter of liquid pipe. See Sheet 2.
basis of liquid pipe):
Sheet 1 Max length of connection pipe Unit: m
Capacity
Max length of
connection pipe
Capacity
Max length of
connection pipe
5000 Btu/h
（1465 W）
15
24000 Btu/h
（7032 W）
25
7000 Btu/h
（2051 W）
15
28000 Btu/h
（8204 W）
30
9000 Btu/h
（2637 W）
15
36000 Btu/h
（10548 W）
30
12000 Btu/h
（3516 W）
20
42000 Btu/h
（12306 W）
30
18000 Btu/h
（5274 W）
25
48000 Btu/h
（14064 W）
30
- 28 -
Configuration of connection pipe and additional volume of refrigerant
Sheet 2. Additional refrigerant charging amount
for R22 R407C R410A
and R134a
Note: The additional refrigerant charging amount in Sheet 2 is recommended
value, not compulsory.
Diameter of connection pipe mm Indoor unit throttle Outdoor unit throttle
Liquid pipe Gas pipe Cooling only,
cooling and heating
(g / m)
Cooling only
(g / m)
Cooling and
heating (g /
m)
Ф6 Ф9.5 or Ф12 20 15 20
Ф6 or Ф9.5 Ф16 or Ф19 50 15 50
Ф12 Ф19 or Ф22.2 100 30 120
Ф16 Ф25.4 or Ф31.8 170 60 120
Ф19 - 250 250 250
Ф22.2 - 350 350 350
- 29 -
Configuration of connection pipe and additional volume of refrigerant
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