Soleus Air Kfthp 18 Id User Manual

13 SEER Mini Split Air Conditioner  
with Heat Pump and Back up Electric Heat Strip  
KFTHP-12-ID/KFTHP-12-OD  
KFTHP-18-ID/KFTHP-18-OD  
KFTHP-24-ID/KFTHP-24-OD  
R
T
T
K
CM  
US  
C
I
E
3119233  
1
Safety Precautions  
Symbols in this Use and Care Manual are interpreted as shown below.  
Be sure to follow this instruction.  
WARNING! DANGER!  
CAREFUL! Pay Attention.  
Remove the power source plug from a socket.  
Warning: Incorrect handling could cause a serious  
hazard, such as death, serious injury, etc.  
Grounding is essential.  
Keep the power supply  
circuit breaker or plug  
from dirt. Connect the  
power supply cord to it  
firmly and correctly,  
Do not use the power  
supply circuit breaker or  
pull off the plug to turn it  
off during operation. This  
may cause a fire due to  
spark, etc.  
Use correct power supply in accordance with the  
rating plate requirement. Otherwise, serious faults  
or hazard such as a fire could occurt.  
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.  
ON  
ON  
OFF  
OFF  
or hazard could occur.  
IDo not stand in front of indoor  
unit for extended periods of  
time due to health  
Do not tangle, pull or press  
the power supply cord,  
as this cord will be  
damaged and an  
electric shock or fire  
could occur.  
Never insert a stick or similar obstacle  
to the unit. When  
the fan rotates at high  
speed, this may  
cause an injury.  
hazard.  
Do not repair the appliance by yourself.  
If this is done incorrectly,  
it may cause an electric  
shock, etc.  
S
LEE  
P
T
I
M
E
R
O
N
OFF  
FEEL  
AUTO  
HI  
MED  
LO  
If malfunction occurs turn  
off at remote control first  
before turning off main  
power.  
C
OOL  
DRY  
FAN  
HEAT  
S
WING  
SLEEP  
TIMER  
FAN  
SWING  
MODE  
ON/OFF  
Prevent the air flow from  
reaching the gas burners  
and stoves.  
It is the user's responsibility to ground  
the appliance according  
to local codes or  
Do not put any  
objects on the  
outdoor unit.  
ordinances by a licenced  
technician.  
Do not touch the operation buttons  
when your hands are wet.  
Check that the plug is not covered with dust and  
make sure to insert it firmly so that it does not get  
loosened.  
When not using the system for a long time,  
remove the plug from the socket to  
ensure safety.  
Do not use extension cords  
and do not connect  
the air conditioner to a  
socket to which other  
electric appliances are  
connected.  
Fully insert the  
plug firmly.  
If the plug is covered with dust,it could cause  
a fire.  
If the plug is coverd with dust or improperly  
inserted, thes may cause electric shock or fire.  
If abnormal conditions occur,such as smell  
of burning,immediately stop the system'  
operation,remove the power plug and  
consult your Dealer.  
Make sure to use a fuse of proper  
electric rating.  
Do not wash the air conditioner with water.  
Use of steel or copper  
wire instead of a fuse is  
strictly prohibited  
and will void the warranty.  
Operating the system under  
abnormal conditions could result in  
malfunctions,eletric shocks,fire,etc.  
It could cause electric shocks.  
Do not put anything on the unit,  
especially vases which contain  
water inside.  
When the system is operating simultaneously  
with a combustion apparatus,you should  
air the room frequently.  
Before cleaning the system,stop  
the operation and remove the  
power plug.  
If water gets into the unit,it can  
cause an electrical short and  
this could cause electric  
shocks.  
Insufficient  
Cleaning should never be  
carried out while the inside  
fans are running.  
ventilation could  
cause an oxygen  
deficiency accident.  
Notes:For the purpose of innovation and improvement,above products are subject to change without prior notice.  
The air conditioner is not a toy , please keep away from children.The appliance shall not be installed in  
the laundry area.  
1
1
Identification of Parts  
Indoor Unit  
Air Intake  
Front Panel  
Emergency Panel  
Display Panel  
Air Outlet  
Vertical Adjustment  
Louver  
Horizontal Adjustment  
Louver  
Charcoal Filter  
(optional)  
Electrostatic Filter  
(optional)  
Air Filter  
Remote Control  
Air Intake  
Outdoor Unit  
Pipes and Power  
Connection Cord  
Drain Hose  
Note: Condensate water drains  
at COOLING or DRY operation.  
Air Outlet  
The figures in this manual are based on the external view of a standard model.  
Consequently, the shape may differ from that of the air conditioner you have selected.  
2
1
Identification of Parts  
Operating and Display  
Temperature display  
Display of environm-  
ental temperature or  
setting temperature  
Run Indicator  
Timer Indicator  
It is on during  
operation.  
It lights up during  
the set time.  
Power Indicator  
It lights up when  
power supply is on.  
Sleep Indicator  
It lights up during the  
set sleep function  
The above operatingsketch map issuitable for Z BG series.  
Signal Receives  
Temperature display(optional)  
Receive signal from the  
remote control.  
Display of environmental tem-  
perature or setting temperature  
Sleep Indicator  
Timer Indicator  
It lights up during the set time.  
It lights up during the set  
sleep function  
Power Indicator  
Run Indicator  
It lights up when power  
supply is on.  
It is on during operation.  
SLEEP  
POWER  
TIMER  
RUN  
The above operatingsketch map issuitable for C  
BD BE BF BH and BJseries.  
D
E
F
G
H
J
K
M
N
V
Z
Temperature display  
Display of environm-  
ental temperature or  
setting temperature  
Temperature display  
Signal Receives  
Receive signal from  
the remote control.  
Display of environm-  
ental temperature or  
setting temperature  
Power Indicator  
Run Indicator  
It lights up when  
power supply is on.  
It is on during  
operation.  
Sleep Indicator  
It lights up during the  
set sleep function  
Sleep Indicator  
Timer Indicator  
It lights up during the  
set sleep function  
It lights up during the  
set time.  
Power Indicator  
It lights up when  
power supply is on.  
The above operating sketch map is suitable  
for L R and Y series.  
The above operating sketch map is suitable  
for Q series.  
Emergency Button  
Used to control the unit when the  
remote control is out of work.  
This way of operation is suitable  
for C D  
Z series.  
N
R
L
M
Y and  
ON/OFF  
Emergency Button  
Used to control the unit when the  
remote controller is out of work.  
This way of operationis suitable for  
ON/OFF  
E
F
G
H
J
K
Q
Z
BD  
BE BF BG BH and BJ series.  
Remarks:When remote controlis not working properly,,open the paneland you cansee emergency  
button there,(see above picture).The emergency buttonfor 15K 16K 18K 22K 24K  
28K and 30Kseries is atthe top right,see ON/OFF button there.  
The shape and position of the switches and indicators may vary from different models,but their function are simiar.  
3
1
Remote Control  
Remote Control  
The remote control transmits signals to the system.  
ON/OFF button  
Used to start and stop operation .  
Signal Transmitting Window  
Transmits signals to the system.  
TIMER button  
Used to select TIMER operation.  
UP button (TOO COOL button)  
Setting Display  
Used to increase the set room temperature (60 f ~87 f)  
and time(0.5~24h or 1~12h ).  
DOWN button (TOO WARM button)  
Used to decrease the set room temperature and time.  
SLEEP button  
Used to set or cancel sleep operation.It includes  
normal-SLEEP( )and Comfortable-  
SLEEP( ),but Comfortable-SLEEP is optional.  
QUIET  
9
12  
3
QUIET  
11  
14  
SWING control button  
Used to adjust airflow direction.  
7
6
FAN SPEED control button  
Used to select the indoor fan motor speed:  
5
4
2
8
Auto(  
Mid(  
or  
or  
), High(  
or  
or  
) and Low(  
or  
),  
or or  
).  
This function is invalid in sleep mode.  
10  
13  
15  
MODE button  
Used to select the type of operation mode: FEEL(  
),  
1
RESET  
COOLING( ), DRY( ), FAN( ) AND HEATING  
(
Only for Heat Pump).FEEL mode can select the operation  
mode such as COOL,DRY,FAN,HEAT automatically depending on the room temperature,and the feel mode is  
default setting at starting.  
3D button(optional)  
9
Used to start and stop 3D operation .Two-direction Airflow,the horizontal louver is opened different  
direction in different mode(optional).  
ECO. button(optional)  
10  
EC  
(This function does not apply to the Units of KFTHP-12, KFTHP-18, and KFTHP-24. )  
Used to start and stop ECONOMY operation .This function is invalid in SUPER mode.  
DISPLAY button(optional)  
11  
12  
Used to start and stop DISPLAY screen operation .  
ANTI-MILDEW button(optional)  
Used to start and stop ANTI-MILDEW operation .  
SUPER button(optional)  
(This function does not apply to the Units of KFTHP-12, KFTHP-18, and KFTHP-24. )  
13  
POWERFUL  
Used to start and stop SUPER operation .  
HEALTHY button(optional)  
Used to start and stop HEALTHY operation .  
14  
15  
RESET button(optional)  
Used to restart.  
Note:The position and figure of buttons are subject to the actual unit,;the relevant function  
is not activated even if press the optional button which is invalid for some models;  
Each mode and relevant function will be further specified in following pages.  
4
1
Remote Control  
Remote Control  
Some remote control s display:  
Feel Cool Dry Fan Heat  
SLEEP TIMER ON TMIER OFF  
AUTO  
HIGH  
MID  
LOW  
SWING  
FEEL  
COOL  
Timer  
off  
Timer  
on  
C
h
C
h
DRY  
FAN  
HEAT  
Auto Low Mid High Sleep Swing  
Style.3  
Style.1  
Style.2.  
FAN  
SPEED  
FEEL  
COOL  
DRY  
AUTOQUIET  
AIR  
SWING  
POWERFUL  
C
AUTO  
hr  
DELAY  
FAN  
HEAT  
ON  
OFF  
ON  
HEALTHY  
TIMER  
Style.5  
Style.4  
Note:The above remote control is only for reference, subject to the actual unit.  
When inserting the batteries for the first time or each time the batteries are replaced  
as they are discharged, the remote control mades a short Auto-Test :all the  
symbols can be displayed are shown on the screen and keep 2 seconds,then the  
symbol will flash from Cool to HEAT alternatively.For cooling only air con,  
please press any button when the cooling symbol is flashing,the the remote controller  
has been set as cooling only.For cooling and heating ,please press any button  
when the heating symbol is flashing,then the remote control has been set as cooling  
and heating.If none of the button is pressed within 10 seconds,the remote controller will  
be set as cooling and heating automatically.Cooling only can use the remote  
control which has cooling and heating function,but do not have the function of heating.  
Although the heating is not running,remote control will still have some display.  
The light of the remote control will be turned on by pressing any button for  
1.5~3 seconds,and it will be turned off automatically if no button is pressed  
within 10 seconds.  
5
1
Remote Control  
Remote Control  
Please slide and remove the cover.  
How to Insert the Batteries  
1
Remove the battery cover according to the arrow direction.  
Insert new batteries making sure that the (+) and (-) of  
battery are matched correctly.  
Slide the cover  
upwardly in the  
direction of the  
arrow.  
Re-attach the cover by sliding it back into position.  
Exchange the batteries.  
Note:  
2
3
Use 2 LR03 AAA(1.5volt) batteries. Do not use  
rechargeable batteries.Replace batteries with new  
ones of the same type when the display becomes dim.  
Attention to  
the and +  
marks.  
Storage and Tips for Using the Remote Control  
The remote control may be mounted on a wall with  
a holder.  
Install the cover.  
Note: The remote control holder is an optional part.  
Remote control holder  
F
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How to Use  
To operate the room air conditioner, aim  
the remote control to the signal receptor.  
The remote control will operate the air  
conditioner at a distance of up to 10 feet  
when pointing at signal receptor of indoor  
unit.  
Signal receptor  
F
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6
Operation Instructions  
1
FEEL mode operation procedure  
Operates by selecting automatically the operation mode(HEAT,DRY,FAN,COOL)depending on  
the room temperature during staring.  
With the remote control pointing toward the air conditioner.  
Turning on  
ON/OFF  
Press  
button, when the appliance receives the  
1
2
signal, the RUN indicator of the indoor unit lights up.  
SLEEP TIMER ON TMIER OFF  
FEEL  
COOL  
AUTO  
HIGH  
MID  
LOW  
SWING  
DRY  
FAN  
HEAT  
When the unit is not at FEEL mode.  
Selecting FEEL mode  
Press the MODE select button.  
SLEEP  
TIMER  
FAN  
Move the MODE to the FEEL position.  
SWING  
MODE  
ON/OFF  
Operation mode and temperature are determined by indoor temperature  
1
22  
3
Indoor temperature  
Operation mode  
Target temperature  
HEATING ( FOR HEAT PUMP TYPE)  
FAN (FOR COOL ONLY TYPE)  
73 f  
Less than 68 f  
68 f - 79 f  
DRY  
64 f  
73 f  
Over 79 f  
COOL  
Air temperature adjustment is possible even during FEEL operation.  
There are 4 levels of adjustment possible with the button or  
the button.  
Setting temperature  
Press the  
button or the  
button.  
When the button is pushed,the temperature will increase 1 f  
After temperature will increase 2 f,the indicator will not change.  
When the button is pushed,the temperature will reduce 1 f  
After temperature reduce 2 f ,the indicator will not change.  
.
.
The operation of the AUTO  
mode can be performed by  
only pressing the ON/OFF  
button from the next time.  
NOTE  
There will be a delay when changing mode  
is made during the operation.  
As there might not be air blown out.  
If you don't like the content of FEEL mode operation,  
change to HEATING,DRY or COOLING than FEEL.  
7
Operation Instructions  
1
TIMER mode  
It is convenient to set the timer on with TIMER button when you go out in the morning  
to achieve a comfortable room temperature when you get home. You can also set  
timer off at night to enjoy a good sleep.  
When the Remote  
When the Remote  
Control is ON,press  
Control is OFF,press  
the TIMER button to set  
the TIMER button to  
set a switch-on timer,  
a switch-on timer,press  
press again,the setting  
again,the setting will be  
will be cancel.  
cancel.  
Press UP and DOWN button to set time.  
Time setting is 30-minutes.  
Note: After setting the timer,check that TIMER INDICATOR lamp of  
the indoor unit lights.  
SLEEP mode  
Normal-SLEEP& Comfortable-SLEEP(optional)  
1.  
Having press the SLEEP button for 3 seconds, SLEEP operation is  
switched from Normal-SLEEP to Comfortable-SLEEP alternatively.  
Used to set or cancel sleep operation.This function is invalid in fan  
and dehumidify mode,This function is invalid in SUPER mode too.  
Switches OFF the appliance automatically after 10 hours in Normal-  
SLEEP mode.  
Normal-SLEEP only  
2.  
While the unit is running,. Select the operating mode and then press  
SLEEP button:the indoor fan speed operates at low speed.Switches  
OFF the appliance automatically after 8 hours.  
Comfortable-SLEEP note:  
In this model,the temperature will automatically be adjusted with the body temperature, like the english  
letter  
set-temperature decrease together; and at the last stage of sleep, the body temperature will increase  
V
at the first stage of sleep, the body temperature will decrease when our air-conditioner' s  
when our air-conditioner' s set-temperature increase together. It will help you sleep more comfortably.  
8
1
Maintenance  
Front panel maintenance  
Air filter maintenance  
It is necessary to clean the air filter after using  
it for about 100 hours.  
Clean it as follows:  
Turn off the appliance  
first before disconnecting  
from power supply.  
Cut off the  
power supply  
a
Stop the appliance  
and remove the  
air filter.  
Grasp position "a"  
and pull outward to  
remove the front panel.  
a
1.Open the front panel.  
Wipe with a soft and  
dry cloth.  
Use lukewarm water(below  
104 f) to clean if the  
appliance is very dirty.  
2.Press the handle of the filter gently  
from the front.  
3. Grasp the handle and slide out the filter.  
Use a dry and  
soft cloth to  
clean it.  
Never use volatile substance  
such as gasoline or  
polishing powder to clean  
the appliance.  
Clean and re-install  
the air filter.  
If the dirt is conspicuous,  
wash it with a solution of  
detergent in lukewarm water.  
After cleaning, dry well in  
shade.  
Never sprinkle water  
onto the indoor unit  
Dang  
Elec  
shoc  
k!  
erou  
tric  
s!  
Close the front panel again.  
b
b
Clean the air filter every two weeks  
if the air conditioner operates in an  
extremely dusty environment.  
Reinstall and shut the  
front panel.  
Reinstall and shut the front  
panel by pressing position "b" downward.  
At the end of the season  
At the beginning of the season  
Make sure there are no obstacles blocking  
the airflow around the air intake and air  
outlet openings of the Indoor and Outdoor  
Units  
Set temperature to 86 f for about half a day  
and perform the Cooling operation to dry  
well the Unit's inside.  
Dry the inside  
of the unit.  
Stop the unit operation and then  
turn off the power switch for safety  
Check the installation base for corrosion or rust.  
ON  
and for saving electric energy.  
OFF  
Make sure the earth  
wire is not broken or  
disconnected  
Clean and reinstall the air filters.  
Make sure the air filters are cleaned.  
Clean both Indoor and Outdoor Units.  
Turn on the power switch.  
Remove batteries from the remote control .  
Insert batteries into the remote controller.  
9
1
Protection  
Operating condition  
Noise pollution  
The protective device maybe trip and stop  
the appliance in the cases listed below.  
Install the air conditioner at a place that  
can bear its weight in order to operate  
more quietly.  
Outdoor air temperature is over 75 f  
HEATING  
Outdoor air temperature is below -19 f  
(-5 f for inverter models,it's optional)  
Install the outdoor unit at a place where  
the air discharged and the operation noise  
would not annoy your neighbors.  
Room temperature is over 80 f  
Outdoor air temperature is over *110 f  
(or below 32 f for inverter models)  
COOLING  
Room temperature is below 69 f  
Do not place any obstacles in front of the  
air outlet of the outdoor unit as it will increase  
the noise level and possible malfunction  
of fan motor.  
Room temperature is below 64 f  
DRY  
* For Tropical (T3) Climate condition models, the  
temperature point is 96 f instead of 96 f.  
If the air conditioner runs in COOLING or DRY mode with  
door or window opened for a long time when relative  
humidity is above 80%,dew may drip down from the outlet.  
Features of protector  
Inspection  
The protective device will work as follows.  
After using for long time, the air conditioner  
should be inspected on the following items.  
Restarting the unit at once after operation  
stops or changing mode during operation, you  
need to wait 3 minutes.  
Overheat of the power supply cord and plug  
or even a burned smell.  
Abnormal operating sound or vibration.  
Water leakage from indoor unit.  
Metal cabinet electrified.  
Connect to power supply and turn on  
the unit at once, it may start 20 seconds  
later.  
Stop the air conditioner if above trouble occurs.  
It is advisable to have a detail inspection after  
using it for 5 years even if none above occurs.  
If all operation has stopped, press ON/OFF  
button again to restart.  
Timer should be set again if it has been  
canceled.  
Features of HEATING mode  
Preheat  
At the beginning of HEATING operation, the airflow from indoor unit is discharged 2-5  
minutes later.  
Afterheat  
After the finishing of HEATING operation, the airflow from indoor unit is discharged 2-5  
minutes.  
Defrost  
In HEATING operation the appliance will defrost (de-ice) automatically to raise efficiency.  
This procedure usually lasts 2-10 minutes. During defrosting, fans stop operation.  
After defrosting completes, it returns to HEATING mode automatically.  
Note: Heating is NOT available for cooling only air conditioner models.  
10  
1
Troubleshooting  
The following cases may not always be a malfunction, please check it before asking for service.  
Analysis  
If the plug is not properly plugged.  
Trouble  
If batteries in the remote controller exhausted.  
If the protective device works to protect the appliance.  
If the protector trip or fuse is blown.  
Does not run  
Are the intakes and outlets of the air conditioner  
blocked  
Is the temperature set properly  
No cooling or  
heating air  
Is the air filter dirty?  
If strong interference(from excessive static electricity  
discharge, power supply voltage abnormality)presents,  
operation will be abnormal. At this time, disconnect  
from the power supply and connect back 2-3 seconds later.  
Ineffective control  
Does not operate  
immediately  
Changing mode during operation, 3 minutes  
will delay.  
don't run  
This odor may come from another source  
such as furniture, cigarette etc, which is  
sucked in the unit and blows out with the air.  
Peculiar odor  
Caused by the flow of refrigerant in the  
air conditioner, not a problem.  
Defrosting sound in heating mode.  
A sound of  
flowing water  
The sound may be generated by the expansion  
or contraction of the front panel due to change  
of temperature.  
Cracking sound is  
heard  
Mist appears when the room air becomes  
very cold because of cool air discharged  
from indoor unit during COOLING or DRY  
operation mode.  
Spray mist from  
the outlet  
The unit is shifting from heating mode to defrost.  
The indicator will lights go off within ten minutes  
and returns to heating mode.  
The compressor indicator(red) lights on  
constantly,and indoor fan stops.  
Air will not  
immediately  
blow out at the start of HEAT mode  
The air conditioner is ready to blow out enough warm  
air please wait(2~5 minutes )  
The appliance will defrost automatically ,and mist  
appears from outdoor.After defrosting ,it continues to  
run automatically.  
Stop  
discharging  
airflow for 5~10minutes  
during HEATING operation  
Don't  
discharge  
check the distance between the remote controller  
and the unit.  
Are the batteries exhausted? Replace them with new  
ones,and repeat the operation again.  
The remote  
control  
does not function correctly  
11  
1
Installation Instructions  
Installation Diagram  
Distance from ceiling  
should be over 6  
Distance from wall  
should be over 6  
Distance from the wall  
should be over 6  
Distance from floor  
should be over 6 feet  
over 20  
Air intake distance from the wall  
Should be over 12  
Air intake distance from  
the wall should be  
over 12  
over 12  
NOTE  
Above figure is only a simple presentation  
of the unit, it may not match the external  
appearance of the unit you purchased.  
Installation must be performed in accordance with  
the national wiring standards by authorized personnel only.  
Very Important-Installation must done by a registered  
qualified installer.(Refer warranty section at the back of this manual)  
12  
Installation Instructions  
1
Front panel  
Connecting of the Cabb  
le  
Wiring between the indoor and outdoor units:  
Terminal (inside)  
1) Remove the PCB cover from the indoor unit;  
2) Refer to the wiring diagram attached to indoor unit  
when connecting cords to indoor unit terminals;  
3) Reinstall the PCB cover. Be sure that side B  
is facing outside.  
COVER  
COVER  
A side (before connect)  
B side (after connect)  
Cabinet  
Select the best location  
Location for Installing Indoor Unit  
Installation Diagram  
Where there is no obstacle near the air outlet and air can be  
easily blown to every corner.  
Indoor unit  
Where piping and wall hole can be easily arranged.  
Keep the required space from the unit to the ceiling and wall  
according to the wiring diagram.  
Where the air filter can be easily removed.  
Keep the unit and remote control 3 feet or more apart from  
television, radio etc.  
Pipe length is  
49 feet Max.  
Outdoor unit  
Keep as far as possible away from fluorescent lamps.  
Do not put anything near the air inlet to obstruct it from air  
absorption.  
Where there is bearing wall to handle weight and decrease  
vibration and noise.  
Location for Installing Outdoor Unit  
Outdoor unit  
Where it is convenient to install and well ventilated; avoid  
installing it where flammable gas could leak.  
Keep the required distance apart from the wall.  
Keep the outdoor unit away from a place of greasy dirt,  
vulcanization gas exit or high salty seashore.  
Avoid installing it at the roadside where there is a risk of  
muddy water.  
Pipe length is  
49feet Max.  
A fixed base so as not to increasing operation noise.  
Where there is no blockage for air outlet.  
Indoor unit  
13  
1
Installation Instructions  
Indoor Unit Installation  
1. Installing the Mounting Plate  
Decide an installing location for the mounting plate according to the indoor unit location and piping direction.  
Keep the mounting. plate horizontally with a horizontal ruler or dropping line.  
Drill holes of 1" in depth on the wall for fixing the plate.  
Insert the plastic plugs to the hole, fix the mounting plate with tapping screws.  
Inspect if the mounting plate is well fixed. Then drill a hole for piping.  
Line drops from here  
Hook the line here  
Mounting plate  
Dropping line  
holes for fixing  
Note: The shape of your mounting plate may be different from the one above, but installation method is similar.  
2. Drill a Hole for Piping  
r
o
Wall hole sleeve  
( hard polythene tube  
prepared by user)  
o
Decide the position of hole for piping according to the  
location of mounting plate.  
d
t
u
O
Drill a hole on the wall. The hole should tilt a little  
downward toward outside.  
1/4 "  
(tilt downward)  
Install a sleeve through the wall hole to keep the wall  
tidy and clean.  
3. Indoor Unit Piping Installation  
Put the piping (liquid and suction pipe) and cables through the wall hole from outside or put them through  
from inside after indoor piping and cables connection complete so as to connect to outdoor unit.  
Decide whether saw the unloading piece off in accordance with the piping direction.(as shown below)  
Piping direction  
trough  
Unloading  
piece  
4
1
3
Note: When installing the pipe at the directions  
1,2 or 4, saw the corresponding unloading piece  
off the indoor unit base.  
Saw the unloading piece  
off along the trough  
2
After connecting piping as required, install the drain hose. Then connect the power cords. After connecting,  
wrap the piping, cords and drain hose together with thermal insulation materials.  
14  
1
Installation Instructions  
NOTE  
Piping Joints Thermal Insulation:  
Wrap the piping joints with thermal  
insulation materials and then wrap  
with a vinyl tape.  
wrapped with vinyl type  
The temperature of refrigerant circuit  
will be high, please keep the  
Thermal insulation  
interconnection cable away from the copper tube.  
Piping Thermal Insulation:  
Large pipe  
Thermal insulation  
tube  
a. Place the drain hose under the piping.  
b. Insulation material uses polythene foam over 3/8" in thickness.  
Note: Drain hose is prepared by user.  
Power cord  
Small  
pipe  
Drain pipe should point downward for easy drain flow.  
Do not arrange the drain pipe twisted, sticking out or wave  
around, do not immerse the end of it in water.  
Power cord 1  
(for heat-pump)  
If an extension drain hose is connected to the drain pipe, make  
sure to thermal insulated when passing along the indoor unit.  
Drain hose  
(prepared by user)  
Defrost cable(for heat-pump)  
Insert here  
When the piping is directed to the right, piping, power  
Cord and drain pipe should be thermal insulated and  
fixed onto the back of the unit with a piping connector.  
large  
pipe  
large  
pipe  
drain  
hose  
drain  
small  
hose  
pipe  
small  
pipe  
Hook here  
Piping fixer  
Base  
Piping connector  
Base  
Base  
A. Insert the pipe connector to the slot.  
B. Press to hook the pipe connector onto the base.  
Connecting the refrigerant lines between the indoor& outdoor units  
Note that since the refrigerant metering device is located in the outdoor unit,both refrigerant  
lines must be insulated with a minimum of 3/8" foam along the entire length.  
Gently bend the line set stubs from the indoor unit to the desired location and the using 2 box  
end or adjustable wrenches,remove the flare nuts from the indoor unit line stubs.The indoor  
unit is charged with a dry gas.If you do not hear the release of pressure when removing the  
flare nuts,it is possible that the evaporator section(indoor unit)has developed a leak and you  
should contact your dealer for a replacement indoor unit.Note:Using a small amount of  
vacuum pump oil on the male flare threads will ease installation.Snug the line set to the stubs  
using the 2 wrenches-one wrench on the male fitting and one wrench on the female fitting.  
Tighten flares tobelow torques:  
Refrigerant Line Connection Torque Table  
Flare Nut  
1/4-3/8"  
Tightening Torque  
25 Ft.LBs(350 Kg.Cm)  
40 Ft.LBs(560 Kg.Cm)  
60 Ft.LBs(840 Kg.Cm)  
110 Ft.LBs(1540Kg.Cm)  
1/4-1/2"  
1/2-3/4"  
7/8-1 1/8"  
15  
1
Installation Instructions  
4. Connecting of the Cable  
Indoor Unit  
Front panel  
Connect the power connecting cord to the indoor unit  
by connecting the wires to the terminals on the control  
board individually in accordance with the outdoor unit  
connection.  
Terminal (inside)  
Cabinet  
Note: For some models, it is necessary to remove the cabinet to  
connect to indoor unit terminal.  
Indoor unit  
Chassis  
Outdoor Unit  
1). Remove the access door from the unit by loosening  
the screw. Connect the wires to the terminals on the  
control board individually as the following.  
2). Secure the power connecting cord onto the control  
board with cable clamp.  
Access door  
Terminal(inside)  
3). Reinstall the access door to the original position  
with the screw.  
4) Use a recognized circuit breaker for 24K.30K model  
between the power source and the unit. A disconnecting  
device to adequately disconnect all supply lines must be  
fitted.  
Outdoor unit  
The figures in this manual are based on the external view of a standard model.  
Consequently, the shape may differ from that of the air conditioner you have selected.  
Caution:  
1. Never fail to have an individual power circuit specifically for the air conditioner. As for the  
method of wiring, refer to the circuit diagram posted on the inside of the access door .  
2.Comfirm that the cable thickness is as specified in the power source specification.  
(See the cable specification table below)  
3.Check the wires and make sure that they are all tightly fastened after cable connection.  
4. Be sure to install an earth leakage circuit breaker in wet or moist area.  
Wire Gauge Requirements  
Wire Gauge atDifferent Wire Lengths  
Circuit  
Amp  
200ft  
50ft  
150ft  
100ft  
15  
20  
25  
30  
35  
40  
45  
50  
8
6
6
4
4
4
3
3
10  
8
14  
12  
10  
6
4
4
4
3
3
2
8
6
6
10  
8
8
6
4
6
2
4
6
(Nec,105c/221 F Type Copper Conductors)  
16  
Installation Instructions  
1
Outdoor Unit Installation  
1.Install Drain Port and Drain Hose (for heat-pump model only)  
The condensate drains from the outdoor unit when the unit operates  
in heating mode. In order to protect the environment, install a drain  
port and a drain hose to direct the condensate water. Just install the  
drain port and rubber washer to the chassis of the outdoor unit, then  
connect a drain hose to the port as the right figure shown.  
Washer  
Drain hose  
(prepare by user)  
Drain port  
2. Install and Fix Outdoor Unit  
Fix with bolts and nuts tightly on a flat and strong floor.  
If installed on the wall or roof, make sure to fix the supporter well to prevent it  
from shaking due to serious vibration or strong wind.  
3. Outdoor Unit Piping Connection  
Remove the valve caps from the 2-way and 3-way valve.  
Connect the pipes to the 2-way and 3-way valves separately according to the required torque.  
4. Outdoor Unit Cable Connection (see previous page)  
Air Purging  
The air which contains moisture remaining in the refrigeration cycle may cause a malfunction on the  
compressor. After connecting the indoor and outdoor units, evacuate air and moisture from refrigerant  
cycle using a vacuum pump, as shown below.  
Vacuum pump  
Indoor unit  
Refrigerant flow direction  
2-way valve  
3-way valve diagram  
3-way valve  
connect to indoor unit  
(6) Open 1/4 turn  
(7) Turn to fully open the valve  
valve cap  
open position  
spindle  
(7) Turn to fully open the  
valve  
Service  
port  
(1) Turn  
(8) Tighten  
(1) Turn  
(2) Turn  
(8) Tighten  
Valve cap  
needle  
(8) Tighten  
Connect to outdoor unit  
Valve core  
service port cap  
Note: To protect the environment, be sure not to discharge the refrigerant to the air directly.  
17  
Installation Instructions  
Interconnection Cable  
1
(1)Take off the cover for Interconnection cable of outdoor unit.  
(2)Take off the block for Interconnection cable, then put the core of the power wire to the terminal and  
fix it according to the diagrams pasted to indoor and outdoor unit separately.  
(3)Fix the accessory cable with the Interconnection cable block.  
(4) Confirm the fixing of the accessory cable is ok.  
(5)Fix the cover for Interconnection cable on.  
Diagram for installation of Interconnection cable  
( please see the pasted diagram instruction on the body first)  
Circuit Diagram  
12K 18K 24K indoor and outdoor interconnection cable sketch map  
Indoor Unit  
Outdoor Unit  
L
W L  
W L  
W
Connetting  
outdoor unit  
Connetting  
power  
Connetting  
indoor unit  
Cooling & Heating  
Note: Some models are designed without the conneting terminal in indoor unit,please subject  
to the connetion diagram of the product.  
18  
1
Installation Instructions  
How to Purge Air Tubes  
(1). Unscrew and remove caps from 2 and 3-way valves.  
(2). Unscrew and remove cap from service valve.  
(3). Connect vacuum pump flexible hose to the service valve.  
(4). Start vacuum pump for 10-15 minutes until reaching a vacuum of 30" Hg absolutes.  
(5). With vacuum pump still running close the low pressure knob on vacuum pump manifold. Then stop  
vacuum pump.  
(6). Open 2-way valve 1/4 turn then close it after 10 seconds. Check tightness of all joints using liquid  
soap or an electronic leak detector.  
(7). Turn 2 and 3-way valves stem to fully the valves. Disconnect vacuum pump flexible hose.  
(8). Replace and tighten all valve caps.  
Test Running  
Connect to the power source, check if the function selection keys on the remote controller are working  
properly.  
Check if the room temperature adjustments and timer settings are working properly.  
Check if the drain is open.  
Check if there is any abnormal noise or vibration during operation.  
Check if there is leakage of refrigerant.  
ATTENTION:  
If there is no power plug along with the air conditioner,The power cord should be connected to an air  
switch ,whose current carrying capacity should be more than 20A and the minimum open-circuit  
distance among the live polar pole,the neutral polar pole and the ground polar pole should be more  
than 1".If any malfuctions,please cut off the supply by the air switch and contact the manufacturer  
or its service agent.  
The appliance shall be installed in accordance with national wiring regulations.  
If the supply cord is damaged. It is better to be replaced by the manufacturer or its service agent or a  
similarly qualified person in order to avoid a hazard.  
NOTE  
Please read this manual before installing and using it.  
Do not let air enter the refrigeration system or discharge refrigerant when moving the air conditioner.  
Test run the air conditioner after finishing installation, and record details of operation.  
Type of fuse used on indoor unit controller for 7K,9K,12K 15K,16K,18K, 22K,24K,30K is 50T with  
rating 3.15 A,250V;Type of fuse used on inverter outdoor unit controller for 7K,9K,12K is 61T with  
rating 15 A,250V,for 18K,22K,24K is 65TS with rating 25A,250V.  
The fuse for the whole unit is to be provided by the user according to the current at maximum power  
input or use other over-current protective device instead.  
Accessibility to the plug must be guaranteed even after the installation of the appliance to disconnect  
it in case of need. If not possible, connect appliance to a double-pole switching device with contact  
separation of at least 1 " placed in an accessible position even after installation.  
Please make replacing with the special assembly purchasing from our factory or our  
service center if something wrong with Interconnection cable.  
The security out static air pressure for our products is 0.8-1.05 * standard pressure.  
The biggest length for our connection pipe can be 49 feet. More refrigerant is  
necessary for per foot if the length is over 21 feet.  
Please do not place valuable things under the unit after installation.  
19  
Model:KFTHP-12-ID  
Model:KFTHP-12-OD  
Model:KFTHP-18-ID  
Model:KFTHP-18-OD  
Model:KFTHP-24-ID  
Model:KFTHP-24-OD  

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