048-TL-18K-MODU Della 18K BTU ODU 2 Dual Zone User Manual

June 13, 2024
DELLA

048-TL-18K-MODU Della 18K BTU ODU 2 Dual Zone

Product Information

The product is an appliance with three different models:
048-TL-18K-MODU, 048-TL-27K-MODU, and 048-TL-36K-MODU. It is a
cooling and heating system that operates on a power supply of 208V
– 230V / 60Hz / 1P. Each model has a different cooling and heating
capacity, input consumption, current, refrigerant, outdoor noise
level, net dimension, and net weight. The product uses R410A
refrigerant and has various features and indicators on the front
panel and remote control.

Product Specifications

Model| Power Supply| Rated Cooling Capacity (Btu / h)| Rated Heating Capacity (BTu / h)| Rated Input Consumption| Rated Current| Refrigerant| Outdoor noise level| Outdoor unit Net Dimension (W x D x H)| Outdoor unit Net Weight
---|---|---|---|---|---|---|---|---|---
048-TL-18K-MODU| 208V – 230V / 60Hz / 1P| 18000| 20000| 1350W| 6.5A| R410A| 56 dBA| 845 x 380 x 699 (mm) / 33.27 x 14.97 x 27.52| 44.0kg / 97.0lb
048-TL-27K-MODU| 208V – 230V / 60Hz / 1P| 27000| 27000| 1860W| 8.8A| R410A| 58 dBA| 900 x 360 x 805 (mm) / 35.43 x 14.17 x 31.69| 56.0kg / 123.5lb
048-TL-36K-MODU| 208 V – 230 V / 60 Hz / 1P| 36000| 36000| 2600W| 11.8A| R410A| 63 dBA| 1005 x 400 x 910 (mm) / 35.43 x 14.17 x 31.69| 75.5kg / 166.4lb

Parts Details

  • Front Panel: Includes Air Filter Screen, Air Outlet, Air
    Deflector and Flap, ON/OFF Switch, Display, and LED Indicator.

Remote Control

  • Front of Remote Control: Contains various buttons for mode
    selection, swing control, temperature adjustment, and timer
    function.

  • Remote Control Display: Displays different indicators for
    signal strength, mode selection, battery status, temperature, fan
    speed, and additional features like gentle wind mode, I FEEL mode,
    ECO mode, vertical deflectors, horizontal louvers, mute mode, turbo
    mode, child lock, sleep mode, health mode, anti-mildew, and
    timer.

  • Back of Remote Control: Provides instructions for battery
    replacement.

Product Usage Instructions

Installation and Safety

Before installing the product, it is important to read the
installation guide and follow the safety instructions provided in
the manual. Failure to do so may result in property damage, serious
injury, or death.

Operation

To operate the product:

  1. Ensure the power supply is connected to the appropriate voltage
    (208V – 230V / 60Hz / 1P).

  2. Use the ON/OFF switch on the front panel or the corresponding
    button on the remote control to turn on the unit.

  3. Select the desired mode (cooling, heating, auto, dry, or fan
    only) using the mode button on the remote control.

  4. Adjust the temperature by pressing the temperature adjustment
    button on the remote control.

  5. Use the swing button on the remote control to control the
    vertical and horizontal movement of the air deflectors and
    louvers.

  6. Additional features like gentle wind mode, I FEEL mode, ECO
    mode, turbo mode, child lock, sleep mode, health mode, anti-mildew,
    and timer can be accessed through the corresponding buttons on the
    remote control.

Maintenance

Regular maintenance of the product is necessary to ensure
optimal performance. Refer to the user manual for detailed
maintenance instructions, including air filter cleaning and
replacement.

048-TL-18K-MODU 048-TL-27K-MODU 048-TL-36K-MODU
Operations Manual
Learn how to use and maintain this appliance and troubleshoot.

Contents
Warning and Safety ——————————————————– 04 Product Specification —————————————————– 06 Parts Details —————————————————————— 08 Remote Control ————————————————————- 09 Operation Instructions ————————————————— 12 Wi-fi / App Connection ————————————————— 25 Care and Maintenance ————————————————— 31 Troubleshooting ————————————————————- 33 Disposal Guideline ——————————————————— 35

Warning and Safety

*Read this guide before installation. Failure to follow the safety instructions may result in property damage, serious injury or death.

DANGER
Indicates an imminently hazardous situation that, if not avoided, will result in death, serious injury, or serious property damage.

WARNING
Indicates a potentially hazardous situation that, if not avoided, will result in death, serious injury, or serious property damage.

CAUTION
Indicates a potentially hazardous situation that, if not avoided, will result in minor to moderate injury. It may also be used to indicate unsafe practice.

DANGER
· In the case of the appliance emitting smoke or burning smell, shut down the appliance and disconnect from the power supply immediately.
· In the case of refrigerant leakage, shut down the appliance and disconnect from the power supply. Contact a qualified technician for inspection. Refrigerant can be toxic and flammable. Rapid evaporation of refrigerant may cause frostbite, cardiac arrhythmia, and/or skin irritation.

WARNING
· Cleaning and maintenance should be carried out by a specialized technician. The appliance must be off and disconnected from the power supply before carrying out any maintenance.
· Do not disconnect the appliance from the power supply before shutting off the appliance. This might create a spark and potentially cause a fire.
· Repairs should be carried out by a professional or qualified technician only. Incorrect repair could expose the user to potential electric shock or other kinds of hazards.
· Do not place flammable substances such as alcohol, etc. Or of pressurized containers such as spray cans, or any other heat source near the appliance.
· Do not climb onto or place any objects on the appliance. · Do not insert any objects into the appliance to prevent damage or injury.

4

Operation Manual

Warning and Safety
CAUTION
· If the appliance is used in areas without the possibility of ventilation, precautions must be taken to prevent any leaks of refrigerant.
· Only use the appliance as instructed in this booklet. These instructions are not intended to cover every possible condition and situation. As with any electrical household appliance, common sense and caution are therefore always recommended for usage and maintenance.
· This appliance is designed and made for air conditioning in domestic environments only. It must not be used for any other purpose such as drying clothes or cooling foods.
· This appliance can be used by children 8 years old and above and persons with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge if they have been given supervision or instruction concerning the use of the appliance in a safe way and understand the hazard involved.
· Children shall not play with the appliance. · Always use the appliance with an air filter. Using the appliance without an air filter would lead
to dust or waste accumulation or inner parts failure. · Emptied remote control batteries must be recycled or disposed of properly. · Do not touch the appliance when barefoot or parts of the body are wet or damp. · Do not obstruct the air inlet or outlet.

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5

Product Specification

Model

048-TL-18K-MODU

Power Supply

Rated Cooling Capacity (Btu / h)

Rated Heating Capacity (BTu / h)

Rated Input Consumption
Rated Current

Cooling Heating Cooling Heating

Refrigerant

208V – 230V / 60Hz / 1P
18000
20000 1350W 1600W
6.5A 7.2A R410A

Outdoor noise level
Outdoor unit Net Dimension (W x D x H)
Outdoor unit Net Weight

56 dBA
845 x 380 x 699 (mm) / 33.27″ x 14.97″ x 27.52″
44.0kg / 97.0lb

048-TL-27K-MODU
208V – 230V / 60Hz / 1P
27000
27000 1860W 1950W
8.8A 9.1A R410A
58 dBA
900 x 360 x 805 (mm) / 35.43″ x 14.17″ x 31.69″
56.0kg / 123.5lb

6

Operation Manual

Product Specification
048-TL-36K-MODU
208 V – 230 V / 60 Hz / 1P
36000
36000 2600W 2890W 11.8A 13.1A R410A
63 dBA 1005 x 400 x 910 (mm) / 35.43″ x 14.17″ x 31.69″
75.5kg / 166.4lb

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7

Parts Details
Front Panel

Air Filter Screen Page 25

Air oulet Air deflector and flap

ON/OFF Switch Page 24

Display

LED Indicator

Function
Indicator for timer, temperature, and error codes Lights up when timer is enabled
Lights up when SLEEP mode is enabled Lights up when the unit is turned on Lights up when the unit is powered

NOTE:

·

The graphical representation might have slight differences than the actual product.

8

Operation Manual

Remote Control
Front of Remote Control
Display · Displays the setting. Page 10
Power Button · Turn on / off the air
conditioner.

Mode Button
· Select operation mode (AUTO/COOL/ DRY/FAN/HEAT).

Turbo Button · Toggle Turbo function
on / off.
Page 17

Swing Button
· Control deflectors & louvers to direct air flow.
Page 17

Temperature Adjustment Button
· Change temperature or timer setting.

Fan Button · Select fan speed.

Mute Button · Toggle Mute function
on / off. Page 18

Timer Button · Timer setting.
Page 15, 16

Sleep Button · Toggle Sleep function
on / off. Page 18
ECO Button · Eco mode setting. Page 19 · Long press for 8°C
heating function. Page 21

Display Button · Turn on / off the LED
display.
I FEEL Button · I FEEL function
setting. Page 20 Anti-Mildew Button · Toggle anti-mildew
function on / off. Page 20

NOTE:

·

Appearance of the display and function of the remote control might differ from some models.

·

The shape and position of buttons and indicator of the remote control might differ from some models.

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9

Remote Control
Remote Control Display

Indicator

Function

Signal Indicator

Auto Mode

Cool Mode

Dry Mode

Fan only Mode

Heat Mode

Battery Indicator

Gentle Wind Mode

I FEEL Mode

ECO Mode

Vertical Deflectors Indicator

Indicator

Function

Horizontal Louvers Indicator

Temperature Indicator

Fan Speed Indicator

Mute Mode

TURBO Mode

Child Lock

Sleep Mode

Health Mode

Anti-Mildew

Timer

Display ON/OFF Indicator

NOTE:

·

Appearance of the display and function of the remote control may differ from some models.

·

Some models may not have all the function listed above.

10 Operation Manual

Remote Control
Back of Remote Control

To set or replace batteries. 1. Remove the back cover from the remote control. 2. Insert 2 LRO3 AAA 1.5V batteries. 3. Reinstall the back cover.

Attention · Do not user rechargeable batteries. · Replace the old batteries with new ones of the
same type. · Do not dispose battieries as unsorted municipal
waste.

Unit Adjustment (°C/°F)

COOL

°C

HEAT

°F

DIP Switch position
°C °F COOL HEAT

Function
The display is adjusted in degree celsius The display is adjusted in degree fahrenheit The display is adjusted in cooling mode ONLY The display is adjusted in both cooling and heating mode

v.02222023 11

Operation Instructions

Cooling Mode

The cool function allows the air conditioner to cool the room and reduce humidity.

1. Press

and select COOL function.

– is displayed on the display.

AUTO

COOL

DRY

FAN

HEAT

2. Press

to set a temperature lower than the room temperature.

3. Press

to change the air flow.

(FLASH)

AUTO

MUTE

LOW

LOW-MID

TURBO

HIGH

MID-HIGH

MID

Fan Mode and Fan Speed

Fan function circulates and ventilates air in the room.

1. Press

and select FAN function.

– is displayed on the display.

AUTO

COOL

DRY

FAN

HEAT

12 Operation Manual

2. Press

to change the operating fan speed.

(FLASH) AUTO

MUTE

LOW

LOW-MID

TURBO

HIGH

MID-HIGH

MID

Operation Instructions

Dry Mode

Dry mode allows the air conditioner to reduce the humidity of the air and make the room more confortable.

1. Press

and select DRY function.

– is displayed on the display.

AUTO

COOL

DRY

FAN

HEAT

Auto Mode

The auto function allows the air conditioner to automatically adjust the room’s temperature according to the programmed auto mode temperature.

1. Press

and select AUTO function.

– is displayed on the display.

AUTO

COOL

DRY

FAN

HEAT

v.02222023 13

Operation Instructions
Heating Mode
The heat function allows the air conditioner to warm up the room.

1. Press

and select HEAT function.

AUTO

COOL

DRY

FAN

HEAT

2. Press

to set a temperature higher than the room temperature.

3. Press

to change the air flow.

(FLASH)

AUTO

MUTE

LOW

LOW-MID

TURBO

HIGH

MID-HIGH

MID

NOTE:

·

During HEATING operation, the appliance can automatically activate defrost cycle, which

is essential to remove frost on the condenser for heat exchange function. This procedure

usually last for 2 – 10 minutes. During defrosting, indoor unit fan will stop operating. Once the

defrosting is completed, it will resume the HEATING mode automatically.

·

The indoor unit will take 2 – 5 mintues of preheating before the unit starts blowing warm air.

·

(For North American Market)

If necessary, press

10 times within 8 seconds under HEAT function to start forced

deforsting. The unit will speed up the outdoor defrosting.

14 Operation Manual

Operation Instructions

Timer

Setting ON Timer
Set a timer to automatically switch ON the air conditioner.

1. Turn off the unit.

2. Press

once to set switch on timer.

– and

are displayed on the remote display and flashes.

3. Press

to set desired switch on time.

– The timer increases by half an hour between 0 – 10 hours and one hour between 10 – 24 hours.

4. Press

again to confirm the timer setting.

5. After setting the ON timer, press

and

to set desired

mode and fan speed.

6. Press

to set desired operation temperature.

NOTE:

·

While entering the programming, make sure each button press is within 5 seconds, otherwise,

the entire process will reset and you’ll have to start over.

Cancel ON Timer

1. Press

again cancel the ON timer.

v.02222023 15

Operation Instructions

Timer

Setting OFF Timer
Set a timer to automatically switch OFF the air conditioner.

1. Press

once to set switch off timer.

– and

are displayed on the remote display and flashes.

2. Press

to set desired switch off time.

3. Press

again to confirm the timer setting.

NOTE:

·

While entering the programming, make sure each button press is within 5 seconds, otherwise,

the entire process will reset and you’ll have to start over.

Cancel OFF Timer

1. Press

again cancel the OFF timer.

Child Lock

Child lock function will disable all input from the remote control until unlocked.

1. Press

and

to activate child lock.

– is displayed on the display

2. Press

and

again to deactivate child lock.

16 Operation Manual

Operation Instructions
Adjusting Air Flow

Adjusting up and down airflow
Adjust horizontal louvers.

1. Press

once to activate the horizontal louvers.

– is displayed on the display and louvers will behin to swing.

2. Press

to set desired position.

Turbo Function

Adjusting left and right airflow
Adjust vertical deflectors.

1. Press

once to activate the vertical deflectors.

– is displayed on the display and deflectors will begin to swing.

2. Press

to set desired position.

NOTE:

·

Never manually adjust the louvers or the deflectors. Attempt to move it by hand may damage

the moving mechanism.

Turbo function will speed up cooling or heating and blow the maximum flow of air.

1. Press

to activate turbo function.

– is displayed on the display.

2. Press

again to deactivate turbo function.

v.02222023 17

Operation Instructions

Mute Function

The air conditioner will operate at the quietest setting under mute function.

1. Press

once to activate MUTE function.

– is displayed on the display and the indoor unit will operate at the lowest fan speed.

2. Press

again or press

or

function.

to disable MUTE

Sleep Function

Sleep function is a pre-set automatic operating program which is suitable during sleep time.

1. Press

once to activate SLEEP function.

– is displayed on the display, and the air conditioner will operate under sleep function for 10 hours before changing back to the previous setting mode.

2. Press

again to disable sleep function.

18 Operation Manual

Operation Instructions
Eco Function

The air conditioner will automatically set the operation to save energy.

1. Press

once to activate ECO function.

– is displayed on the display.

2. Press

again to disable ECO function.

NOTE:

·

ECO function is available in both COOL and HEAT mode.

Display Function

Switch ON / OFF the LED display on the indoor unit front panel.

1. Press

once to turn off the indoor unit display.

– is turned off on the remote control display.

2. Press

again to turn on the display.

v.02222023 19

Operation Instructions
I FEEL Function (Available only for models with I FEEL button)

I FEEL function turns your remote control into a portable thermostat that automatically controls the unit to adjust the temperature of the room you are in.

1. Press

once to activate I FEEL function.

– is displayed on the display.

2. Press

again to disable I FEEL function.

NOTE:

·

I FEEL function will automatically deactiveate after 2 hours.

Anti-Mildew Function (Available only for models with Anti-Mildew button)

The air-conditioner will try to dry the indoor unit to prevent mildew.

1. Press

once to activate Anti-Mildew function.

– is displayed on the display. and the unit will blow airflow for about 15 minutes and then shut off the unit

2. Press

again to disable Anti-Mildew function.

NOTE:

·

Anti-Mildew function is only available after running COOL or DRY mode for more than 30

minutes.

20 Operation Manual

Operation Instructions
Self-clean Function (Available only for certain heat pump inverter models)

This function helps carry away the accumulated dirt, bacteria , etc. from the indoor evaporator.

1. Press

and

at the same time toward the indoor unit.

– You will hear a “beep” sound from the indoor unit. – is displayed on the display.

– The self-cleaning function will run for about 30 minutes, then it will return to the previous mode.

2. You can press

to cancel this function during the process.

– You will hear “beep- beep” when the process is finished or cancelled.

NOTE:

·

It is normal that the unit makes some noise during self-cleaning process as plastic materials

expand and contract with temperature change.

·

It is recommended to operate this function when the indoor ambient temperature is under

86°F / 30°C, and the outdoor ambient temperature between 41°F to 86°F / 5°C to 30°C.

·

It is suggested to run the self-cleaning function every 3 months.

8°C Heating Function

This function automatically starts HEAT mode when the room temperature is lower than 46°F or 8°C.

1. Press

and hold 3 seconds to activate this function.

or is displayed on the display.

– The function will return into stand by when the room temperature reaches 48°F or 9°C. – The appliance will automatically cancel this function when room temperature is higher than 64°F or 18°C.

2. Press

and hold 3 seconds to deactivate this function.

v.02222023 21

Operation Instructions
Gentle Wind Function

The indoor unit will automatically close the vertical flaps and give you a comfortable gentle airflow.

1. Press

and

for 3 seconds to activate gentle wind

function.

– is displayed on the display.

2. Press

and

for 3 seconds to deactivate gentle wind

function.

Health Function

This function will activate the Ionizer / Plasma / Bipolar Ionizer / UVC lights inside the unit.

1. Press

and

function.

for 3 seconds to activate health

– is displayed on the display.

2. Press

and

function.

for 3 seconds to deactivate health

22 Operation Manual

Operation Instructions

Ambient Temperature
You can safely use the air conditioner in the following ambient temperature conditions.

HEAT Mode

COOL Mode

DRY Mode

Ambient Room Temperature

32°F – 80°F / -0°C – 27°C

62°F – 86°F / 17°C – 30°C

Outdoor Temperature

5°F – 75°F / -15°C – 24°C
Low Temperature Heating:
-4°F – 75°F / -20°C – 24°C

T1 Climate: 59°F – 122°F /
15°C – 50°C
Low Temperature Cooling: 5°F – 122°F / -15°C – 50°C
T3 Climate: 59°F – 131°F /
15°C – 55°C

NOTE:

·

Attempting to use the air conditioner beyond the specified temperature range may activate the protection device and cause the air

conditioner to stop operating.

·

In the case of a tripped protection, shut down the air conditioner and restart, or switch to a different mode during operation. The air

conditioner will reset the protection device and the compressor will resume operation after 3 minutes.

Operating Temperature
You can set the air conditioner temperature within the following range.

HEAT Mode

COOL Mode

DRY Mode

Operation Temperature Setting

61°F – 88°F / 16°C – 31°C

NOTE:

·

Avoid prolonged exposure to cold air, especially to children, elderly, or medical patients.

v.02222023 23

Operation Instructions
Emergency Button
You can use the emergency button for limited control of the air conditioner in case the remote control fails or is missing.

Indoor unit ON/OFF switch · In stand by mode, press this switch ONCE to start cooling
mode. – You will hear a beep.
· In stand by mode, press this swtich TWICE within 3 seconds to start heating mode. – You will hear beep-beep.
· In operation, press this switch ONCE to turn off the unit. – You will hear multiple beeps.

NOTE:

·

Always wear insulation material when pressing the emergency button.

24 Operation Manual

Wi-fi / App Connection

Wi-Fi Network

· Make sure you have a working Wi-Fi network. · Connect your smart-phone to the Wi-Fi network. · Wi-Fi network must support 2.4 – 2.5GHz, the appliance cannot connect
to a 5GHz network.

Wi-Fi Requirement

Standards of WLAN

IEEE 801.11 b/g/n(channels 1-14)

Protocal Stack Support

IPv4 / IPv6 / TCP / UDP / HTTPS / TLS / MulticaseDNS

Security Support

WEP / WPA / WPA2 / AES128

Network Type Support

STA / AP / STA+AP

Download the Application
· Search “DELLA+” on app store or google play, or scan the QR code below to download the application.
· Enable permission of storage, location, and camera for this application, otherwise it will have a problem operating.

NOTE:

·

The Della+ application is free; however, data charges may apply when downloading or using the application.

·

Every effort has been made to ensure the accuracy of the instruction and graphic representations at the time of producing this

user guide. Your application’s user interface, icons, and screen may look different from this guide due to updates and development

changes.

·

Della+ app can be altered without notice for quality improvement and also be deleted depending on the circumstances of

manufacturing firms.

v.02222023 25

Wi-fi / App Connection
User Registration

1 Open the DELLA+ app on your smart devices.

2 Tap the “Register” button for first time user.

3 Tap the country menu.

4 Select your country.

26 Operation Manual

5 Enter your email address, then read and agree to the user agreement, and get verification code.

Wi-fi / App Connection
User Registration

6 Enter the verification code.

7 Set your password and tap “Done”.

v.02222023 27

Wi-fi / App Connection
Add Device

Specification Label

1 Tap “Add Device” in the

2 Select the appliance type you want to add.

center of the screen or the

Model series can be found on the unit specification label or on

“+” dropdown menu from

the packaging boxes.

the top right corner.

3 Enter your Wi-Fi network

4 Follow the in-app

password, then tap “Next”.

instruction on adding the

device.

3 You can see your device on the device list after adding.

28 Operation Manual

Wi-fi / App Connection

Basic Control

The basic function of the application interface mimics to that of the remote control.

NOTE:

·

Some functions may not be avaliable on the application.

Temperature Indicator · Shows unit
temperature.
Mode Button · Select operation
mode (AUTO/COOL/ DRY/FAN/HEAT).
Fan Button · Select fan speed.
Temperature Adjustment Button · Change temperature
or timer setting.
Sleep Button · Sleep function setting. Page 18

Power Button
· Turn on / off the air conditioner.

Mode Indicator · Shows current mode.
Schedule Button · Set your ON/OFF
time.
Swing Button · Control deflectors
louvers to direct air flow. Page 17
Function Button · Access to more
functions.

NOTE:

·

Appearance of the display and function of the application might differ.

·

The shape and position of buttons and indicator of the user interface might differ.

v.02222023 29

Wi-fi / App Connection
Scene

1 Tap “Create Scene” in the center of the screen or the “+” dropdown menu from the top right corner.

2 Customize your unique user experience.

“Scene” function allows you to program your air conditioner to turn on / off depending on your location, and set automated features.

30 Operation Manual

Care and Maintenance

CAUTION
· Before cleaning the unit, you must shut down the machine and cut off the power supply for at least 5 minutes.
· Never flush the air conditioner with water.

Clean the Unit

1. Clean the air conditioner with a soft dry cloth or a damped cloth with neutral detergent.

NOTE:

·

Do not flush the machine with water.

·

Do not use volatile liquid such as thinner or alcohol to prevent damaging the unit.

Clean the Air Filter
1. Open the front panel. 2. Pull down the air filter. 3. Clean the air filter with soapy water. 4. Air dry the air filter 5. Put the air filter back to its original place after it is dry.

<104°F / 40°C

NOTE:

·

Do not touch the fins inside the indoor unit with bare hands after removing the filter screen.

·

Check and clean the air filter regularly to prevent dust accumulation.

·

Clean the air filter frequently if the operating environment is dusty or has bad air quality.

v.02222023 31

Care and Mainenance
Maintenance Routine
· Clean the air filter screen every 3 months. · Call your HVAC technician to check on the refrigerant level every 3 to 4 years. · Regularly check and remove any obstacles from the outdoor unit.
Planning to not operate the air conditioner for a long period
1. Take out the batteries from the remote control and disconnect the power supply of the air conditioner.
When Using the Air Conditioner After a Long Idle Period
1. Clean the unit and the air filter screen. 2. Remove any obstacles at the air inlet and outlet of both the indoor and outdoor unit. 3. Make sure the drain pipe is unobstructed. 4. Install batteries into the remote control and connect the power supply to the air conditioner.
32 Operation Manual

Troubleshooting

Problem

Possible Causes

Power failure / plug pulled out

Damaged indoor or outdoor unit fan motor

Faulty compressor thermomagnetic circuit breaker

Faulty protective device or fuses

The appliance is non operational

Loose Connection

Internal protection tripped

Outlet voltage does not match to that of the appliance

The unit is currently in ON-TIMER mode

Damaged electronic control board

Strange Odor

Dirty air filter

Noise of running water

Backflow of liquid in the refrigerant circulation

A fine mist comes from the air outlet

This occurs when the air in the room becomes cold in COOL or DRY modes

Strange noise

The noise made by thermal expansion of the front panel due to temperature is normal and does not indicate a problem

Unsuitable temperature setting

Obstructed air conditioner intakes and outlets

Insufficient airflow, either hot or cold

Dirty air filter Fan speed is set at minimum

Other sources of heat in the room

Insufficient refrigerant levels

The appliance does not respond to commands

Remote Control is too far away from the indoor unit The batteries of the remote control need to be replaced Obstacles between the indoor unit and the remote control

v.02222023 33

Troubleshooting

Problem
The display is off

Possible Causes
DISPLAY toggle is set to off Power failure

Switch off the air conditioner immediately and cut off the power supply in the event of:
· Strange noises during operation. · Faulty electronic control board. · Faulty fuses or switches. · Spraying water or objects inside the appliance. · Overheated cables or plugs. · Very stong smells coming from the appliance.

Error Codes
In case of an error, the indoor unit display will show the following error codes:

Display

Description

E1

Indoor room temperature sensor fault

E2

Indoor pipe temperature sensor fault

E3

Outdoor pipe temperature sensor fault

E4

Refrigerant system leakage or fault

E6

Malfunction of indoor fan motor

E7

Outdoor ambient temperature sensor fault

E0

Indoor and outdoor communication fault

E8

Outdoor discharge temperature sensor fault

E9

Outdoor IPM module fault

EA

Outdoor current detect fault

EE

Outdoor PCB EEPROM fault

EF

Outdoor fan motor fault

EH

Outdoor suction temperature sensor fault

Contact a professional HVAC technician for further assistance.

34 Operation Manual

Disposal Guideline
This appliance contains refrigerant and other potentially hazardous materials. When disposing of the appliance, follow all federal, state, and local regulations. DO NOT dispose of this product as normal household waste or unsorted municipal waste. When disposing of this appliance, you have the following options: · Dispose of this appliance at a designated municipal electronic waste collection facility. · When buying a new appliance, the retailer will take the old appliance. · The manufacturer may take back the old appliance. · Sell the appliance to a certified scrap metal dealer.
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