Everwell MKTC-17 & MKTH-17 Series Split Type Air Conditioner User Manual

Name of Parts

This section details the components of the indoor and outdoor units.

Indoor Unit

• Air outlet: Where conditioned air is expelled.
• Air deflector and flap: Controls the direction of airflow.
• Mounting plate: Used to attach the indoor unit to the wall.
• Air filter: Traps dust and particles from the air.
• Air inlet: Where room air is drawn into the unit.
• Front panel: The main cover of the indoor unit.
• Emergency button: For manual operation or reset.
• Refrigerant connecting pipe: Carries refrigerant between indoor and outdoor units.

Outdoor Unit

The outdoor unit houses the compressor, condenser, and fan.

• Air outlet: Where heat is expelled.
• Air inlet: Where outside air is drawn in.
• Wiring cover: Protects electrical connections.
• Drainage pipe: Carries condensed water away.
• Connection wiring: Electrical connections between units.
• Valve protective cover: Covers the refrigerant valves.

The outdoor unit features two valves:

• Gas valve (Low pressure valve): Used for refrigerant flow control.
• Liquid valve (High pressure valve): Used for refrigerant flow control.

Note: The visual representation may differ slightly from the actual product.

Indoor Display

The indoor unit display panel shows operational status:

• Indicator (1): Lights up for Timer, temperature, and Error codes.
• Timer Indicator (2): Illuminates during Timer operation.
• SLEEP mode Indicator (3): Shows when the SLEEP mode is active.

The shape and position of indicators may vary by model, but their functions remain the same.

Remote Control

The remote control allows users to operate the air conditioner.

Remote Control Display Symbols

Display and functions may vary by model.

Remote Control Buttons

Shape and position of buttons may vary by model, but functions are the same. The unit confirms button reception with a beep (?).

Replacement of Batteries

To replace batteries:

1. Slide the battery cover plate off the rear of the remote control.
2. Install 2x LR03 AAA (1.5V) batteries, observing polarity (+ and -). Do not use rechargeable batteries.
3. Replace the cover by sliding it back into place.
4. Replace old batteries with new ones of the same type when the display becomes illegible.
5. Dispose of batteries separately as unsorted municipal waste requires special treatment.

DIP Switch Settings (for some models)

Access the manual switch by opening the battery cover. Select cooling only or cooling and heating operation.

Remote Control Operation Guidelines

• Direct the remote control towards the air conditioner's signal receptor.
• Ensure no objects obstruct the signal path.
• Avoid exposing the remote control to direct sunlight.
• Keep the remote control at least 1 meter away from televisions or other electrical appliances.

Operation Modes

• COOLING MODE (❄️): Cools the room and reduces humidity. Press MODE until ❄️ appears. Set temperature lower than room temperature using [Up arrow]/[Down arrow].
• FAN MODE (?): Air ventilation only. Press MODE until ? appears.
• HEATING MODE (☀️): Heats the room. Press MODE until ☀️ appears. Set temperature higher than room temperature using [Up arrow]/[Down arrow]. During heating, a defrost cycle may activate automatically (2-10 minutes), stopping the indoor fan. For North American models, pressing ECO 10 times within 8 seconds under heating mode can initiate forced defrosting.
• DRY MODE (?): Reduces air humidity for comfort. Press MODE until ? appears. An automatic pre-setting function is activated.
• AUTO MODE (?): The unit automatically selects the operating mode based on room temperature. Press MODE until ? appears.

Fan Speed Function (FAN Button)

Press the FAN button to cycle through fan speeds: AUTO, MUTE (?), LOW, LOW-MID, MID, MID-HIGH, HIGH, TURBO (?).

Child-Lock Function (?)

Activate/deactivate by long-pressing MODE and TIMER buttons together. When active, no single button will function.

TIMER Function (⏰)

TIMER ON: To automatically switch the appliance on.

1. With the unit OFF, press TIMER. The ⏰ symbol appears and flashes.
2. Press [Up arrow]/[Down arrow] to set the desired ON time (increments of 0.5 hours up to 10 hours, then 1 hour up to 24 hours).
3. Press TIMER again to confirm.
4. Set the desired mode (COOL/HEAT/AUTO/FAN/DRY) and fan speed.
5. Set the desired temperature using [Up arrow]/[Down arrow].
6. Cancel by pressing TIMER again.

TIMER OFF: To automatically switch the appliance off.

1. With the unit ON, press TIMER.
2. Press [Up arrow]/[Down arrow] to set the desired OFF time.
3. Press TIMER again to confirm.
4. Cancel by pressing TIMER again.

All programming should be done within 5 seconds, or the setting will be cancelled.

SWING Function (?️)

Horizontal Swing (Up/Down): Press SWING to activate flap movement. Press again to stop at the desired angle. The ?️⬆️⬇️ symbol appears.

Vertical Swing (Left/Right): Press SWING to activate deflector movement. Press again to stop at the desired angle. The ?️⬅️➡️ symbol appears.

Manual Adjustment: If vertical deflectors are manually positioned, they allow left/right airflow. Warning: Never position flaps manually, as the mechanism can be damaged. Do not insert objects into vents.

Self-Clean Function (?): For some inverter heating models, press horizontal SWING and vertical SWING buttons simultaneously while the unit is OFF. The unit will display "AC" and beep. This function cleans the indoor evaporator.

TURBO Function (?)

Press the TURBO button to activate. The ? symbol appears. In COOL/HEAT mode, this provides quick cooling or heating with the highest fan speed.

MUTE Function (?)

Press MUTE to activate. The ? symbol appears. The unit operates at the lowest fan speed for quietness. Pressing FAN or TURBO cancels MUTE. MUTE is not available in DRY mode.

ECO Function (?)

Press ECO to activate. The ? symbol appears. The appliance automatically adjusts operation to save energy. Available in COOLING and HEATING modes.

SLEEP Function (?)

Press SLEEP to activate. The ? symbol appears. The unit adjusts temperature settings for comfort during sleep. After 10 hours, it returns to the previously set mode.

DISPLAY Function

Press DISPLAY to switch the indoor unit's LED display ON or OFF.

I FEEL Function (Optional) (?️)

Press I FEEL to activate. The ?️ symbol appears. The remote control measures room temperature at its location and sends the signal to the air conditioner to optimize comfort. It automatically deactivates after 8 hours (or 2 hours in some modes).

ANTI-MILDEW Function (Optional) (?️)

Press ANTI-MILDEW to activate. The ?️ symbol appears. Available after running COOL/DRY for over 30 minutes. The unit blows airflow for about 15 minutes to dry internal parts and prevent mildew. Only available in DRY/COOLING mode.

SELF-CLEAN Function (Optional) (?)

For some heating pump inverter appliances: Turn off the indoor unit, then press SWING and SWING buttons simultaneously towards the indoor unit until a beep (?) is heard. "AC" will appear on the remote and indoor displays. The function runs for ~30 minutes to remove dirt and bacteria. It can be cancelled by pressing any button. Noise during operation is normal due to thermal expansion/contraction. Suggested operating conditions: Indoor Temp < 30°C (86°F), Outdoor Temp 5°C (41°F) to 30°C (86°F).

Gentle Wind Function (Optional) (?)

Activate by turning on the unit, selecting COOL mode, then long-pressing FAN and MUTE buttons for 3 seconds. The ? symbol appears. This function automatically closes vertical flaps for a gentle airflow.

Health Function (Optional) (?)

Activate by turning on the unit, then long-pressing SLEEP and DISPLAY buttons for 3 seconds. The ? symbol appears. This energizes the Ionizer/Plasma/Bipolar Ionizer/UVC Lights (model dependent).

8°C Heating Function (Optional) (❄️8°C)

Activate by long-pressing the ECO button for over 3 seconds. "8°C" (46°F) appears on the display. The unit automatically starts heating if room temperature drops below 8°C (46°F) and stops when it reaches 9°C (48°F). It cancels automatically if room temperature exceeds 18°C (64°F).

GEN Function (Optional) (⚙️)

Activate by long-pressing the MUTE button for 3 seconds. Select operation gear: L3 - L2 - L1 - OF. Select OF and wait 2 seconds to exit. If the indoor unit displays "0A", raise the operating gear of GEN mode to restart the compressor.

Installation

Follow these steps for proper installation.

Step 1: Determine Installation Location

Ensure sufficient clearance around the indoor and outdoor units for airflow and maintenance. Specific dimensions are provided in diagrams (not included here, but generally require space above, sides, and front).

Step 2: Install Mounting Plate

2.1 Remove the mounting plate from the back of the indoor unit.

2.2 Determine the position on the wall, ensuring it meets minimum installation dimensions. Stick the plate close to the wall.

2.3 Use a spirit level (?) to ensure the mounting plate is horizontal. Mark screw hole positions.

2.4 Drill holes at the marked positions.

2.5 Insert expansion rubber plugs into the holes, then hang the mounting plate and secure it with screws.

Ensure the mounting plate is firm and flat against the wall. Visuals may differ from the actual object.

Step 3: Drill Wall Hole

A hole is needed for refrigerant piping, drainage pipe, and connecting cables.

3.1 Determine the wall hole location based on the mounting plate position.

3.2 The hole should be at least 70mm in diameter and have a slight downward angle (oblique) towards the outside to facilitate drainage.

3.3 Drill the hole using a 70mm core drill, ensuring a small oblique angle, about 5mm to 10mm lower on the outdoor side.

3.4 Place a wall sleeve and cover (optional) to protect the connections.

Caution: Avoid drilling near existing wires, plumbing, or sensitive components.

Step 4: Connect Piping

Connect the refrigerant pipes to the indoor unit. Ensure connections are secure and insulated.

The diagram shows connecting gas and liquid pipes to the indoor unit's ports, followed by insulation and tape.

Step 5: Connect Drainage Hose

5.1 Some indoor units have drainage ports on both sides; choose one and plug the unused port with the provided rubber plug.

5.2 Connect the drainage hose to the chosen port, ensuring a firm and sealed join.

5.3 Wrap the join with sealing tape to prevent leaks.

Ensure the hose has no twists or dents and is placed obliquely downward to prevent blockage and ensure proper drainage.

Step 6: Connect Wiring

6.1 Select cable size based on the maximum operating current (refer to installation precautions).

6.2 Open the indoor unit's front panel.

6.3 Use a screwdriver to open the electric control box cover, revealing the terminal block.

6.4 Unscrew the cable clamp.

6.5 Insert the cable end into the control box from the back of the indoor unit.

6.6 Connect wires to the corresponding terminals according to the wiring diagram on the control box cover. Ensure connections are secure.

6.7 Screw the cable clamp to fasten the cables.

6.8 Reinstall the electric control box cover and front panel.

Diagrams show the control box cover, cable clamp, and wiring diagram.

Step 7: Mount Indoor Unit

Hook the indoor unit onto the installed mounting plate and secure it.

Diagram shows the indoor unit being attached to the mounting plate.

Step 8: Connect Outdoor Unit Piping

Connect the refrigerant pipes to the outdoor unit's gas and liquid valves. Tighten the nuts securely using appropriate tools.

Diagram shows connecting pipes to the outdoor unit valves and tightening them.

Step 9: Connect Outdoor Unit Wiring

Connect the power and control wiring to the outdoor unit's terminal block according to the wiring diagram.

Diagram shows connecting wires to the outdoor unit terminal block.

Step 10: Install Outdoor Unit

Mount the outdoor unit on a stable bracket or base, ensuring adequate clearance around it for ventilation and service.

Diagram shows the outdoor unit positioned on a base, with clearance indicated.

Test Operation

Perform these checks and tests before regular use.

Inspections Before Test Run

• Electrical Safety: Verify power supply voltage compliance, correct wiring (power, signal, earth), and insulation/earth resistance.
• Installation Safety: Confirm smooth drainage pipe operation, complete refrigerant pipe joints, secure installation of indoor/outdoor units and mounting plate, fully open valves, no foreign objects, and proper installation of indoor unit grille/panel.
• Refrigerant Leakage Detection: Check piping joints, valve connectors, valve spools, and welding ports. Use soapy water or a leak detector. If leaks are found, tighten connections and re-test until no bubbles/indications appear. After leak detection, insulate exposed pipe connectors.

Test Run Instruction

1. Turn on the power supply.

2. Press the ON/OFF button on the remote control to start the air conditioner.

3. Select COOLING mode and set the lowest temperature. Select HEATING mode and set the highest temperature.

4. Run the unit for approximately 8 minutes in each mode and check the following:

• Outlet air temperature responds correctly to cooling and heating modes.
• Water drains properly from the drainage hose.
• Louver and deflectors (if applicable) rotate correctly.

Maintenance

Regular maintenance ensures optimal performance and longevity.

Cleaning the Air Filter

The air filter should be cleaned regularly to prevent dust buildup and maintain efficiency. Frequency depends on the dust level in the environment.

To clean:

1. Remove the air filter by pulling it down from the unit.
2. Clean the filter with water. If heavily soiled, use mild soapy water.
3. Air dry the filter completely. Do not expose to direct heat or flame.
4. Reinstall the filter correctly.

Diagram shows removing the filter by pulling it downwards, cleaning it, and reinstalling it.

Cleaning of Inner Air Duct

This process involves cleaning internal components like the louver, bottom plate, and deflector assembly.

1. Loosen the knob on the middle of the louver and bend it outwards to remove it.
2. Grasp both sides of the bottom plate and push downwards to detach it.
3. Loosen the buckle of the deflector assembly with your thumb and remove it.
4. Wipe the air duct and fan assembly with a clean, wrung-out wet rag.
5. Clean the removed parts (louver, bottom plate, deflector assembly) with soapy water and air dry them.
6. Reassemble the parts in reverse order.

Diagrams illustrate the removal of the louver, deflector assembly, and bottom plate.

Service and Maintenance

Before shutdown for long-term storage:

• Remove batteries from the remote controller.
• Disconnect the power supply to the air conditioner.

When starting to use after long-term shutdown:

1. Clean the air filter.
2. Check for obstacles at the air inlet and outlet of both indoor and outdoor units.
3. Check that the drain pipe is unobstructed.
4. Install batteries in the remote controller and check if the power is on.

General Maintenance:

• Periodically check for refrigerant leaks.
• Ensure electrical connections are secure.
• Keep the unit clean and free from obstructions.