Dettson APD09KCH16S User manual

Please read this owner’s manual carefully
before operating the unit and keep it for future reference.
DUCTLESS SINGLE ZONE
HEAT PUMP
INS571-201903-00
Owner’s Manual
16 SEER INVERTER
9 000 to 24 000 BTU/hr
Models:
Heating and Cooling
APD09KCH16S
APD12KCH16S
APD18KCH16S
APD24KCH16S
Cooling Only
APD09KCO16S
APD12KCO16S
APD18KCO16S
APD24KCO16S
X62402 Rev.A

2
TABLE OF CONTENTS
Operation notices .................................................................................................................................................................3
Explanation of symbols ........................................................................................................................................................3
Precautions................................................................................................................................................................................4
Working temperature range...............................................................................................................................................6
Parts name.................................................................................................................................................................................7
Indoor unit screen display...................................................................................................................................................8
Remote control .......................................................................................................................................................................9
Buttons on remote control..................................................................................................................................................9
Icon identification on remote control display..............................................................................................................9
Operation of remote control............................................................................................................................................ 10
Special functions.................................................................................................................................................................. 14
Replacement of batteries in remote control.............................................................................................................. 15
Emergency operation......................................................................................................................................................... 16
Maintenance.......................................................................................................................................................................... 17
Cleaning and maintenance.............................................................................................................................................. 17
Malfunction............................................................................................................................................................................ 19
Malfunction analysis........................................................................................................................................................... 19
Error codes.............................................................................................................................................................................. 21
Preparation before installation............................................................................................................................... 22
Required installation clearance distances diagram................................................................................................. 22
Tools required for installation.......................................................................................................................................... 23
Selection of installation location.................................................................................................................................... 23
Requirements for electrical connection ...................................................................................................................... 24
Installation.............................................................................................................................................................................. 25
Installation of indoor unit ................................................................................................................................................ 25
Installation of outdoor unit.............................................................................................................................................. 29
Vacuum pumping................................................................................................................................................................ 32
Leakage detection............................................................................................................................................................... 33
Checking after installation ............................................................................................................................................... 33
Operation test....................................................................................................................................................................... 34
Other considerations....................................................................................................................................................... 35
Configuration of connection pipes ............................................................................................................................... 35
Pipe expanding method.................................................................................................................................................... 36
This appliance is not intended for use by people (including children) with
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they are under the 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.

3
OPERATION NOTICES
EXPLANATION OF SYMBOLS
Indicates a hazardous situation that, if not avoided,
will result in serious injury or death.
Indicates a hazardous situation that, if not avoided,
could result in serious injury or death.
Indicates a hazardous situation that, if not avoided,
may result in minor or moderate injury.
Indicates important but not hazard-related information,
used to indicate risk of property damage.
Indicates a hazard and it is assigned to the signal words
DANGER, WARNING or CAUTION.
CAUTION
WARNING
NOTICE
DANGER

4
PRECAUTIONS
Operation and Maintenance
• This appliance can be used by people (including children of 8 years old and above) with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge, as long as they are
under the supervision or instruction concerning use of the appliance by a person responsible for
their safety.
• Children shall not play with the appliance.
• Cleaning and user maintenance shall not be made by children.
• Do not connect to multi-purpose socket. Otherwise, it may cause fire hazard.
• Disconnect power supply when cleaning. Otherwise, it may cause electric shock.
• If the power supply wire is damaged, it must be replaced by a qualified person in order to avoid
a hazard.
• Do not wash with water to avoid electric shock.
• Do not spray water on indoor unit. It may cause electric shock or malfunction.
• After removing the filter, do not touch fins to avoid injury.
• Do not use fire or hair dryer to dry the filter to avoid deformation or fire hazard.
• Maintenance must be performed by qualified person. Otherwise, it may cause personal injury
or damage.
• Do not repair the appliance by yourself. It may cause electric shock or damage. Please contact
a qualified person when you need to repair it.
• Do not extend fingers or objects into air inlet or air outlet. It may cause personal injury or damage.
• Do not block air outlet or air inlet. It may cause malfunction.
• Do not spill water on the remote control, otherwise it could damage the remote.
• When below phenomenon occurs, please turn off the appliance and disconnect power immediately,
and then contact a qualified person for service:
- There’s abnormal sound during operation.
- Circuit break trips off frequently.
- The appliance gives off burning smell.
- Indoor unit is leaking.
• If the appliance operates in an inappropriate environment or under abnormal conditions, it may cause
malfunction, electric shock or fire hazard.
• When turning on or turning off the unit by emergency operation button, please press this button
with an insulated object other than metal.
• Do not step on top panel of outdoor unit, or put on heavy objects. It may cause damage or personal
injury.
WARNING

5
PRECAUTIONS
Wiring
• Installation must be performed by a qualified person. Otherwise, it may cause personal injury or
damage.
• Must follow the electric safety regulations when installing the unit.
• According to the local safety regulations, use qualified power supply circuit and circuit breaker.
• Install a circuit breaker of adequate capacity only used for the system; otherwise, it may cause
malfunction.
• An all-pole disconnection switch having a contact separation of at least 3 mm in all poles should be
connected in fixed wiring.
• The appliance should be properly grounded. Incorrect grounding may cause electric shock.
• Make sure the power supply matches with the requirement of the appliance. Unstable power supply
or incorrect wiring may cause malfunction of the unit, electric shock or fire hazard.
• Properly connect the live wire, neutral wire and grounding wire.
• Be sure to cut off the power supply before proceeding any work related to electricity and safety.
• Do not turn the power on before finishing installation.
• If the supply cord is damaged, it must be replaced by a qualified person in order to avoid problems.
• The temperature of refrigerant circuit will be high, please keep the interconnection cable away from
the copper tube.
• The appliance shall be installed in accordance with national wiring regulations.
• Installation must be performed in accordance with the requirement of NEC and CEC by a qualified
person only.
• The heat pump is a first class electric appliance. It must be properly grounded with specialized
grounding device by a qualified person. Please make sure it is always properly grounded, otherwise
it may cause electric shock.
• The yellow-green wire in the appliance is the grounding wire, which can’t be used for other purposes.
• The grounding resistance should comply with national electric safety regulations.
• All wires of indoor unit and outdoor unit should be connected by a qualified person.
• If the length of power connection wire is insufficient, please contact the dealer for a new one. Do not
extend the wire yourself.
WARNING

6
PRECAUTIONS
Location
• If you need to relocate the appliance to another place, only a qualified person can perform
the work. Otherwise, it may cause personal injury or damage.
• Select a location which is out of reach for children and far away from animals or plants. If it is
unavoidable, please add a fence around the outdoor unit for safety purpose.
• Instructions for installation and use of this product are provided by the manufacturer.
WORKING TEMPERATURE RANGE
Indoor side DB/WB (°C / °F) Outdoor side DB/WB (°C / °F)
Max. cooling 26.7/19.4 (80/66.9) 46.1/23.9 (115/75)
Max. heating 26.7/- (80/-) 23.9/18.3 (75/64.9)
The operating temperature range (outdoor temperature) is:
-20 °C (-4 °F) to 46.1 °C (115 °F).
WARNING
NOTICE

7
PARTS NAME
Actual product may be different from below graphics, please refer to actual product
for reference purposes.
Indoor unit
Remote Control
Outdoor unit
NOTICE
Panel
Filter
Air outlet
Air inlet
Horizontal louvre
AUX button
Air inlet
Connection wire
Air outlet

8
INDOOR UNIT SCREEN DISPLAY
Actual product may be different from below graphics, please refer to actual product
for reference purposes.
NOTICE
Cooling
indicator
Heating
indicator
Temperature
indicator
Drying
indicator
Power
indicator
Receiver
window
Display

9
REMOTE CONTROL
BUTTONS ON REMOTE CONTROL
No. Button Function
1 ON/OFF Turn on or turn off the unit
2 MODE Set operation mode
3FAN Set fan speed
4 SWING Set fan oscillating angle
5 TURBO Set turbo fan speed
65/6Set temperature and time
7 SLEEP Lowering or raising the temperature
gradually during the night
8 TEMP Switch temperature displaying type
9WiFi Set WiFi control
10 LIGHT Lighted display
11 CLOCK Set up the clock
12 TIMER
ON/OFF Set starting/ending time
ICON IDENTIFICATION
ON REMOTE CONTROL DISPLAY
Fan speed setting
TURBO mode
Working indicator
FREEZE PROTECT mode
Temperature setting
Time setting
TIMER ON / TIMER OFF
Child lock
SLEEP function
Clock
I FEEL function
Up & down swing
Operation mode
AUTO mode
COOL mode
DRY mode
FAN mode
HEAT mode
Temperature display type
Set temperature Indoor ambient temperature
Outdoor ambient temperature
Light
1
2
4
3
7
5
9
11
8
6
10
12
WiFi (This is a general remote controller.
Some models have this function while some do not.
Please refer to the actual models)
WIFI

10
OPERATION OF REMOTE CONTROL
NOTES:
• This is a general remote control that could be used for multifunction appliances. If you push a button
which is not featured on the model, the unit will continue to work as is.
• After powering it, the device will beep. Working indicator " " is activated (in red). After that, you can
operate the unit with the remote control.
• When you are using the remote control for the first time or after replacing batteries, set up the hour
with the button CLOCK.
• In ON mode, when you push a button on the remote control, the icon " " blinks one time and device
beeps to confirm that the signal has been sent to the appliance.
• In OFF mode, temperature and clock icons will be displayed on the remote control (if functions TIMER
ON, TIMER OFF or LIGHT are activated, they will also be displayed). In ON mode, display will show icons
of chosen functions.
1. ON/OFF button
Pushing this button allows to turn on or off the device.
Working indicator " " on display of indoor unit will be green when device is turned on and will be red
when it’s turned off.
2. MODE button
Push this button in order to select operating mode of your choice:
AUTO mode:
When you select automatic mode, the device automatically selects the appropriate function to maintain
temperature between 20 °C and 25 °C. In this mode, temperature can’t be changed or displayed
on remote control. When turned on the first time, it works in AUTO mode by default.
COOL mode:
When you select COOL mode, the appliance is cooling the room. Press " + " or " - " to set temperature.
DRY mode:
When you select DRY mode, the appliance is in dehumidifying mode and works at its lowest speed. In this
mode, the fan speed can’t be changed..
FAN mode:
When you select FAN mode, only the fan is operating. There is no heating, nor cooling in this mode.
HEAT mode:
When you select HEAT mode, device is working on heating mode. Press the " + " or " - " button to adjust
temperature.
NOTE:
• In HEAT mode, the device will delay start-up of the fan to prevent cool air to circulate. This delay can
take up to 5 minutes depending on indoor air temperature.

11
3. FAN button
Push this button to select the fan speed along this sequence:
Automatic (AUTO), low ( ), medium ( ), high ( ).
NOTES:
• On AUTO speed, the device will choose ideal speed according to room temperature and set
temperature.
• In DRY mode (dehumidification), fan always goes at low speed.
4. SWING button
Press this button to select oscillating angles for the louvres as per following sequence:
• When selecting " ", horizontal louvre will automatically flip upward and downward at a maximum
angle.
• When selecting " , , , , ", the device blows air at fixed position. Horizontal louvre will stop
to the chosen position.
• Hold the SWING button for 2 seconds to define required oscillating angle. When reached, release the
button.
NOTES:
• " , , " are not available on this unit. When device receives this signal, it will function as per
following position " ".
• When the unit is turned off or when operation mode is changed, the louvre will return to the default
position, either fixed up in cooling mode and fixed down in heating mode.
5. TURBO button
When TURBO function is on, the unit operates at super high speed to achieve quick cooling or heating.
This function is available only in COOL (cooling) or HEAT (heating) mode.
When you press this button, icon " " appears on the screen. Press the button again to cancel TURBO
function.
NOTE:
When TURBO function is activated, fan speed can’t be changed.
6. 5/6button
Push " 5" or " 6" button to decrease or increase temperature by 1 °C at a time.
Temperature range is from 16 °C to 30 °C.
Maintain " 5" or " 6" button pushed for 2 seconds in order to change rapidly temperature. Once set-
tings done, release button and temperature will be modified accordingly (temperature can’t be settled in
AUTO mode).

12
While adjusting TIMER ON, TIMER OFF or CLOCK, push " 5" or " 6" button to set the time. (Please see
section CLOCK, TIMER ON, TIMER OFF buttons for more details.)
7. SLEEP button
SLEEP function is available in COOL (cooling) and HEAT (heating) modes only. This function permits to
gradually increase room temperature of 4 °C in COOL mode and to lower it in HEAT mode. You will then
save energy without affecting your sleep. This function is settled over an 8-hour period. After this period
of time, the device will work on previous established parameters, as it was set before SLEEP function was
activated.
Press this button to activate SLEEP function and the icon " " will appear on remote control. Press again
this button to cancel SLEEP function and the icon disappears.
8. TEMP button
When pushing this button, you can choose the temperature you wish to see on the indoor unit display:
set temperature, indoor room temperature or outdoor temperature.
• When " " or “ no display”is displayed, the set temperature is shown.
• When " " is displayed, indoor room temperature is shown.
• When " " is displayed, current outdoor temperature is shown.
NOTE:
Current outdoor temperature is not available on all models. In that case, the set temperature is shown.
9. WiFi button
Press this button to activate WiFi function. When WiFi function is turned on, the "WiFi" icon will be
displayed on remote controller. By pressing MODE and WIFI buttons simultaneously for 1 second, WiFi fuc-
tion will be restore to default setting. This function is only available for some models.
10. LIGHT button
Press that button to light the indoor unit display screen. When the light on the display screen is on, icon
" " appears on the screen.
11. CLOCK button
Press this button to set time. Icon " " on remote control will blink. Within the next 5 seconds, press
button " + " or " - " to set time. With every push on the button " + " or " - ", time increases or decreases by
one minute. Hold this either buttons for 2 seconds in order to change time faster. Press again the CLOCK
button to confirm the hour and come back to normal display.
NOTE:
Clock uses 24-hour mode.

13
12. TIMER ON button and TIMER OFF button
This timer function allows you to program the unit while determining when it starts and when it ends.
Before using this function, make sure your unit is set on the right time.
Setting the starting time of the device:
1. Press TIMER ON button.
2. Press " + " or " - " button in order to set the starting time.
3. Press again TIMER ON to confirm time.
Icon " ON " appears and remote control shows current time.
Setting the ending time of the device:
1. Press the TIMER OFF button.
2. Press the " + " or " - " button in order to set the ending time.
3. Press again TIMER OFF to confirm time.
Icon " OFF " appears and remote control shows current time.
To cancel this function, press the TIMER ON and/or TIMER OFF button and corresponding icons will
disappear.
NOTES:
• If only TIMER ON is set, the unit will work until you manually turn it off.
• If only TIMER OFF is set, the unit will not start again until you manually turn it on.

14
SPECIAL FUNCTIONS
Child lock function
This function eliminates unwanted temperature adjustments and the use of different modes on the
device. Before activating it, make sure to have set the temperature as you like.
Press simultaneously " 5" and " 6" buttons to activate or deactivate the child lock function. When that
function is activated, icon " " is displayed on the remote control.
Temperature display in °C or °F
When device is turned off (OFF), press simultaneously on " 6" and MODE buttons to switch from °C or °F.
FREEZE PROTECT mode
During winter, FREEZE PROTECT mode allows to maintain room temperature at 8 °C (46 °F) when you are
not at home. When device is in HEAT (heating) mode, press simultaneously on CLOCK and TEMP buttons
to activate this function. Icon " $ " will be displayed. Press again simultaneously on CLOCK and TEMP
buttons to deactivate.
NOTES:
• In FREEZE PROTECT mode, fan speed is set by default to AUTO and cannot be adjusted.
• SLEEP and FREEZE PROTECT mode cannot be activated at the same time.
I FEEL function
Press " 5" and " MODE " buttons simultaneously to activate I FEEL function and the icon " " will
appear on remote control. Once this function is settled, remote control sends the information about room
temperature to the control panel and will adjust automatically. Press again these two buttons simul-
taneously to cancel I FEEL function and the icon disappears.
Please put remote control near the user when this function is chosen. Do not put remote control near
something at high or low temperature in order to prevent false results.
Make sure to keep the minimum distance recommended between the remote control and the appliance.

15
REPLACING BATTERIES IN REMOTE CONTROL
1. Lightly press the " " and slide in the direction the arrow
is pointing to remove the back cover of the remote control
(as illustrated).
2. Remove the old batteries (as illustrated).
3. Insert two new " AAA " (1.5 V) dry batteries and make sure
the position of + and – is correct (as illustrated).
4. Put back the cover (as illustrated).
NOTES:
• During operation, point the remote control at the receiving window on the indoor unit.
• The distance between the remote control and receiving window should not be more than
26.25 ft. (8 m) and there should be no obstacle between them.
• The remote control should be placed 3.3 ft. (1 m) away from TV or Audio sets.
• The signal can be easily interfered in a room where there is a fluorescent lamp or wireless phone;
the remote control should be near the indoor unit when operating.
• If the remote control does not operate normally, please take out the batteries and reinsert them
after 30 seconds. If it is still not working, replace the batteries.
• When replacing batteries, use only new and identical ones (same brand).
• When you do not use the remote control for a long time, take out the batteries.

16
EMERGENCY OPERATION
If the remote control is lost or damaged, please use AUX button to turn on or turn off the appliance.
As illustrated, open the panel, press the AUX button to turn on or turn off the device.
When it is turned on, it will operate under AUTO mode.
Use insulated object other than metal to press the AUX button.
WARNING
AUX button
panel

17
MAINTENANCE
CLEANING AND MAINTENANCE
• Turn off the unit and disconnect the power before cleaning to avoid electric shock.
• Do not wash the unit with water to avoid electric shock.
• Do not use volatile liquid to clean the unit.
Cleaning the surface of indoor unit
When the surface of indoor unit is dirty, it is recommended to use a softdry cloth or lightly moistened
with water to wipe it.
Do not remove the panel when cleaning it.
Clean filter
1. Open panel
Open the panel into a certain angle as illus-
trated (less than 60°, do not force the panel).
3. Clean filter
Use a vacuum or water to clean the filter.
When the filter is very dirty, use water (below 45 °C) to
clean it, and then put it in a shady and cool place to dry.
2. Remove filter
Remove the filter as illustrated.
4. Install filter
Install the filter and then close the panel cover tightly.
• The filter should be cleaned every three months. If the unit operates in a highly dusty environment,
cleaning frequency should be increased.
• After removing the filter, do not touch fins to avoid injury or damage the unit.
• Do not use fire or hair dryer to dry the filter to avoid deformation or fire hazard.
WARNING
WARNING
NOTICE

18
Checking before usage
1. Check that air inlets and air outlets are not blocked.
2. Check if circuit breaker and connection are in good condition.
3. Check that filters are clean.
4. Check that drainage pipe is not damaged or blocked.
Checking after usage
1. Disconnect power supply.
2. Clean filters and indoor unit panel.
3. Check whether mounting bracket for outdoor unit is damaged or corroded.
If so, please contact the dealer.
Notice for recovery
1. Many packing materials are recyclable. Please dispose of them in appropriate recycling bin.
2. If you want to get rid of the device, please contact a local recycling center for the correct
disposal method.

19
MALFUNCTION
MALFUNCTION ANALYSIS
Please check below items before asking for servicing. If the malfunction still cannot be eliminated, please
contact a qualified person.
Phenomenon Items to check Solution
Indoor unit cannot
receive remote
control signal or
remote control does
not work.
Is there severe interferences (such as
static electricity, unstable voltage)?
Cut the power supply off and put the
power back after about 3 minutes,
and then turn on the unit again.
Is the remote control within the
signal receiving distance?
Signal receiving distance is
26.25 ft. (8 m).
Is there any obstacle between the
unit and the remote control? Remove obstacles.
Is the remote control pointing at the
receiving window of the indoor unit?
Select proper angle and point
the remote control at the receiving
window on indoor unit.
Is the remote control display fuzzy
or there is no display at all ?
Check the batteries. If the
battery charge level is too low,
please replace them.
No display when operating
the remote control?
Check if remote control is damaged.
If so, replace it.
Are there fluorescent lamps in the
room?
Bring the remote control
close to the indoor unit.
Turn off the fluorescent lamps
and then try it again.
No air flow
from indoor unit.
Are air inlet or air outlet of indoor
unit blocked? Eliminate obstacles.
Under heating mode, has indoor
temperature reached set
temperature?
After reaching set temperature,
indoor unit will stop blowing out air.
Has the heating mode been
just turned on?
In heating mode, in order to prevent
blowing out cold air, indoor unit will
start a few minutes after the unit has
been turned on, which is normal.
Appliance cannot
operate.
Is there a power failure? Wait until power resumes.
Circuit break trips off? Ask a qualified person to replace
circuit break or replace wiring.
Has the unit been turned on imme-
diately after being turned off?
Wait for 3 minutes, and then turn on
the unit again.
Are the function setting on the
remote control correct? Reset the functions
Indoor unit display
screen doesn’t work Is the “LIGHT” function deactivated?
Press the“LIGHT” button on the
remote control to light the indoor
unit display screen.

20
Phenomenon Items to check Solution
Mist is emitted from
indoor unit air outlet.
Are indoor temperature and
humidity level high?
This is because indoor air is
cooled rapidly. After a while,
indoor temperature and humidity
level will decrease and mist will
disappear.
Set temperature
cannot be adjusted.
Is the unit operating under AUTO
mode?
Temperature cannot be adjusted
under AUTO mode.
Please switch the operationmode
if you need to adjust temperature.
Does your required temperature
exceed the set temperature range?
Set temperature range:
16 °C to 30 °C (61 °F to 86 °F).
Air cooling (heating)
is not efficient.
Is voltage too low? Wait until the voltage comes back
to normal.
Is filter dirty? Clean the filter.
Is the set temperature in proper
range?
Adjust temperature within proper
range.
Are doors and windows open? Close doors and windows.
Odours are emitted.
Is there an odour source in the room,
such as furniture or cigarette. Eliminate the odour source.
Is the heat exchanger dirty? Have it cleaned by a specialist.
Is the filter dirty? Clean the filter.
Appliance suddenly
operates abnormally.
There may be interferences, such as
thunder, wireless devices, etc.
Cut the power supply off and put
the power back. Then turn on the
unit again.
Outdoor unit emits
vapor. Is the unit in heating mode?
During defrosting under heating
mode, it may produce vapor,
which is normal.
Water flowing noise. Has the air conditioner just
been turned on and off?
The noise is the sound of refrigerant
flowing inside the unit, which
is normal.
Cracking noise. Has the air conditioner just
been turned on and off?
This is the sound of friction caused
by expansion and/or contraction
of panel or other parts due to
temperature changes.