Rasonic

RU-C75K - Washing machine Rasonic - Free user manual and instructions

Find the device manual for free RU-C75K Rasonic in PDF.

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Product Type Split Air Conditioner Outdoor Unit
Model RU-C75K
Brand Rasonic
Outdoor Unit Dimensions (approx.) 800 x 550 x 320 mm (W x H x D)
Weight (approx.) 35 kg
Power Supply 220-240 V ~ 50 Hz
Cooling Capacity (approx.) 2.5 kW (7,000 BTU/h)
Refrigerant R410A
Operation Modes Auto, Cool, Soft Dry (Dehumidify), Fan
Fan Speeds Low, Medium, High, Auto
Timer On/Off Timer with 24-hour setting
Sleep Mode Yes, 8-hour operation with temperature shift
Economy Mode Yes, reduces power consumption
Powerful Mode Yes, rapid cooling for 15 minutes
Air Purifying Filter Catechin Air Purifying Filter (replace every 3 months)
Removable Front Panel Yes, washable
Auto Restart After Power Failure Yes, within 3-5.5 minutes
Remote Control Yes, with LCD display and clock
Safety Features Overload protection, compressor delay (3 min)
Warranty Standard 1 year (check local dealer)

Frequently Asked Questions - RU-C75K Rasonic

How do I set the clock on the remote control?
Press the CLOCK button, then use TEMP ▲/▼ to set the current time. Press CLOCK again to confirm. The clock is displayed as 12:00 AM or PM.
What should I do if the air conditioner does not start?
Check if the circuit breaker has tripped or the power plug is disconnected. Ensure the timer is not set incorrectly. If still not working, wait 3 minutes for the compressor delay to reset.
How often should I clean the air filters?
Clean the air filters every two weeks if used in a dusty environment. Wash with water and mild detergent, let dry, then reinstall. Replace the Air Purifying Filters every 3 months.
Can I remove the front panel for cleaning?
Yes, the front panel is removable. Raise it fully, slide the tabs to UNLOCK, then lift it off. Wash with water and a sponge, dry thoroughly, and reinstall by sliding tabs to LOCK.
What is the Sleep Mode function?
Sleep Mode gradually increases the temperature by 0.5°C after 1 hour to prevent overcooling. It operates for 8 hours then stops automatically. Use it for comfortable sleeping.
How do I use the Economy or Powerful modes?
Press ECONOMY to save power (indicator green). Press POWERFUL for rapid cooling (15 minutes, indicator orange). They cannot be used together. Cancel by pressing the button again.
Why does the indoor fan stop during Soft Dry mode?
Soft Dry mode cycles the fan: 10 minutes ON, 6 minutes OFF to avoid overcooling while dehumidifying. The fan restarts when the room temperature rises.
What should I do if the remote control display is dim?
Replace the two R03 batteries (AAA type) in the remote control. Remove old batteries, insert new ones with correct polarity, and reset the clock.
How do I set the On/Off timer?
Press the ON-TIMER or OFF-TIMER button, then set the desired time using TEMP ▲/▼. Press CLOCK to confirm. The timer indicator lights on the indoor unit.
What does the Auto Operation button do?
If the remote is lost, press the Auto Operation button on the indoor unit for automatic cooling/heating/dehumidifying. The power LED blinks until mode is selected. Press again to stop.

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USER MANUAL RU-C75K Rasonic

Room Air Conditioner

OPERATING INSTRUCTIONS

Front view of a white air conditioner unit with ventilation grille and control panel (no visible text or symbols)

Indoor Outdoor

Model RS-C75K Model RU-C75K

RS-C95K RU-C95K

RS-C125K RU-C125K

Interior view of a modern living room with white sofas, armchairs, and large windows (no visible text or symbols)

Before using your air-conditioner, please read this operating instructions carefully and keep it for future reference.

▶ SAFETY PRECAUTIONS.... 4 – 6

●Installation Precautions

●Operation Precautions

▶ SAFETY PRECAUTIONS

●Installation Precautions

●Operation Precautions

▶ NAME OF EACH PART 7 – 10

●Indoor Unit

■When the front panel is opened

●Outdoor Unit

●Accessories

●Remote Control

■When the remote control is opened

■How to use the remote control

■When the back cover is opened

▶ Names of Parts

●Indoor Unit

■When the front panel is opened

●Outdoor Unit

●Accessories

●Remote Control

■When the remote control is opened

■How to use the remote control

Open the back cover of the remote control.

▶ PREPARATION BEFORE OPERATION ..... 11 – 12

●Indoor Unit

●Remote Control

■Inserting batteries

■Setting the clock

■About the batteries

▶ Preparation before use

●Indoor unit

●Remote control

■Installing batteries

■Setting the time

■About the batteries

2 How to use

HOW TO OPERATE 13 – 14

● Automatic • Cooling • Soft Dry • Fan

■ Operation details

● Adjusting Airflow Direction and Fan Speed

■ Operation details

▶ How to operate

- Automatic • Cooling • Soft Dry • Fan

■ Operation details

● Adjusting Airflow Direction and Fan Speed

■ Operation details

▶ SETTING THE TIMER 15 – 16

● Recommended Setting of Timer

▶ Setting the timer

● Recommended setting of timer

▶ CONVENIENCE OPERATION ...... 17 – 18
●Sleep Mode■Operation details
●Economy or Powerful Mode■Operation details
▶方便的运转
●睡眠方式■操作细节
●节电或强劲方式■操作细节

3 If necessary

▶ CARE AND MAINTENANCE ...... 19 – 22

● Cleaning the Indoor Unit and Remote Control ● Cleaning the Air Filter ● Cleaning the Front Panel

■ Removing the front panel ■ Fixing the front panel ■ Cleaning the front panel

● Replacing the Air Purifying Filters

■ Removing the air purifying filters ■ Reinstalling the air purifying filters

● Pre-season Inspection ● When the Air Conditioner is Not Used for an Extended Period of Time ● Recommended Inspection

▶ Maintenance and Care

TROUBLESHOOTING 23 – 24

● Normal Operation ● Abnormal Operation ● Call the Dealer Immediately

▶ Troubleshooting

For your convenience to operate in the dark.

(Refer page 9)

● Self-illuminating button

For your convenience to operate the unit in the dark.

(Refer to page 9)

Prevent the room from getting too hot or too cold while you are sleeping.

(Refer page 17)

● SLEEP MODE

Prevents the room from becoming too hot or too cold while you sleep.

(Refer page 17)

● ECONOMY MODE

To reduce electrical power consumption.

(Refer page 18)

● ECONOMY MODE

Reduces power consumption.

(Refer page 18)

● POWERFUL MODE

Reaches the desired room temperature quickly.

(Refer page 18)

● POWERFUL MODE

Quickly reaches the desired room temperature.

(Refer page 18)

●REMOVABLE FRONT PANEL

For quick and easy cleaning (washable).

(Refer page 20)

●REMOVABLE FRONT PANEL

For quick and easy cleaning (washable).

(Refer page 20)

●CATECHIN AIR PURIFYING FILTER

Filter that can trap dust, tobacco smoke and tiny particles in the room. It can also prevent the growth of bacteria and viruses trapped in this filter.

(Refer page 21)

White air conditioner unit with ventilation grille and control panel (no visible text or symbols)

Line drawing of a hand holding a smartphone (no text or symbols visible)

●CATECHIN AIR PURIFYING FILTER

Automatically restart the unit after power failure.

(Refer page 25)

●AUTO RESTART

Automatically restarts the air conditioner after a power interruption.

(Refer to page 25)

Thank you for purchasing a Rasonic Room Air Conditioner.

Thank you for purchasing a Rasonic Room Air Conditioner.

Note:

Before using your air-conditioner, please read this operating instructions carefully and keep it for future reference.

Note:

Before operating, please read the following "Safety Precautions" carefully.

To prevent personal injury, injury to others and property damage, the following instructions must be followed.

■ Incorrect operation due to failure to follow instructions will cause harm or damage, the seriousness of which is classified as follows:

Rasonic RU-C75K - Note: - 1

Warning

■ The instructions to be followed are classified by the following symbols:

Rasonic RU-C75K - Warning - 1

This symbol (with a white background) denotes an action that is PROHIBITED.

Rasonic RU-C75K - Warning - 2

Rasonic RU-C75K - Warning - 3

Rasonic RU-C75K - Warning - 4

These symbols (with a black background) denote actions that are COMPULSORY.

● Installation Precautions

Rasonic RU-C75K - ● Installation Precautions - 1

Warning

Do not install, remove and reinstall the unit yourself.

Improper installation will cause leakage, electric shock or fire. Please consult an authorized dealer or specialist for the installation work.

Ensure that the drainage piping is connected properly.

Ensure that the drainage piping is connected properly.

Rasonic RU-C75K - Warning - 1

Otherwise, water will leak out. Otherwise, water will leak out.

Do not install the unit in a place where there may be explosive gas leaks.

Do not install the air conditioner in a place where gas may leak easily.

Rasonic RU-C75K - Warning - 2

Gas leaks near the unit could cause fires. Gas leaks near the unit could cause fires.

This sign warns of death or serious injury.

Do not insert plug to operate the unit. Do not pull out plug to stop the unit.

Rasonic RU-C75K - Warning - 3

Do not operate with wet hands. Do not operate with wet hands.

Illustration of a wall-mounted air conditioner with a hand holding the grille and a screwdriver inserted, no text or symbols present.

Rasonic RU-C75K - Warning - 5

Rasonic RU-C75K - Warning - 6

If abnormal condition (burnt smell, etc) occurs, switch off and unplug the power supply.

Rasonic RU-C75K - Warning - 7

Do not expose directly to cool air for a long period.

Do not expose directly to cool air for a long period.

Do not insert finger or other objects into the indoor or outdoor units.

Do not insert fingers or other objects into the indoor or outdoor unit.

Illustration of a heat exchanger unit with cooling fan and hose, accompanied by a hand pointing to it (no text or symbols)

Illustration of hands using a power plug to switch an electrical socket (no text or symbols present)

Rasonic RU-C75K - Warning - 10

Rasonic RU-C75K - Warning - 11

Switch off the power supply if the unit is not used for a long period.

This sign warns of injury.

This item indicates a possibility

of injury.

Rasonic RU-C75K - Warning - 12

Do not pull the cord to disconnect the plug.

Do not pull the cord to disconnect the plug.

Rasonic RU-C75K - Warning - 13

Switch off the power supply before cleaning it.

Switch off the power supply before cleaning the air conditioner.

Line drawing of a modern air conditioner unit with horizontal insulation and ventilation slots (no text or symbols)

Rasonic RU-C75K - Warning - 15

Do not wash the unit with water.

Do not wash the air conditioner with water.

Line drawing of a hand holding a sponge with liquid dripping (no text or symbols)

Two simple curved lines drawn with parallel lines, no text or symbols present

Rasonic RU-C75K - Warning - 18

Do not use for other purposes such as preservation, etc.

Do not use for other purposes, such as storage.

Rasonic RU-C75K - Warning - 19

Do not use any combustible equipment in the airflow direction.

Do not place a combustion container under the airflow of the air conditioner.

Rasonic RU-C75K - Warning - 20

Rasonic RU-C75K - Warning - 21

Simple line drawing of a window with curtains and windows, no text or symbols present

Rasonic RU-C75K - Warning - 23

Ventilate the room regularly.

Ventilate the room regularly.

Rasonic RU-C75K - Warning - 24

Do not sit or place anything on the outdoor unit.

Do not sit or place anything on the outdoor unit.

Rasonic RU-C75K - Warning - 25

Pay attention as to whether the installation rack is damaged due to long period of usage.

Pay attention as to whether the installation rack is damaged due to long period of usage.

Illustration of a portable air conditioner unit with two potted plants and a leafy top, emitting exhaust heat (no text or symbols)

NAME OF EACH PART

NAME OF EACH PART

●Indoor UnitIndoor unit Front Panel Air Intake Vent Power Supply Cord Panel Opener Signal Receptor Horizontal Airflow Direction Louver (Manually adjusted) Vertical Airflow Direction Louver Operation Indicators: POWER (Green), SLEEP (Orange), TIMER (Orange) Economy/Powerful Indicators: Economy (Green), Powerful…

■When the front panel is opened

When the front panel is openedFront Panel Air Purifying Filter Air Filters Auto Operation Button Tab for Front Panel

●Outdoor Unit

VCC T23 MP VCC/100MHz

Remote Control

Technical drawing of a mechanical bracket or housing component (no text or symbols)

Remote Control Holder

Two RO3 dry-cell batteries or equivalentRasonic RU-C75K - ●Outdoor Unit - 3

Rasonic RU-C75K - ●Outdoor Unit - 4

Air Purifying Filters (Catechin Air Purifying Filter) 空气净化过滤器 (CATECHIN 空气净化过滤器) 两个 R03 干电池或同等电池Rasonic RU-C75K - ●Outdoor Unit - 5

  • Remote Control 遥控器Rasonic RU-C75K - ●Outdoor Unit - 6

■ When the remote control cover is opened 打开遥控器前盖时Operation Display Operation Mode Selection Button Clock Button Fan Speed Selection Button Manual Airflow Direction Selection Button Time-Setting Button Sleep Mode Operation Button Timer Cancellation Button OFF-TIMER Button ON-TIMER Button Timer Set Button

Rasonic RU-C75K - ●Outdoor Unit - 8

■When the back cover is opened 打开遥控器背盖时

Reset points

- short to clear the memory.

重新设定点

- 清除记忆。

Diagnosis RESET OPEN

  • If the unit is not going to be used for an extended period of time, turn off the power supply. If it is left at the ON position, approximately 2.5 W of electricity will be used even if the indoor unit has been turned off with the remote control.
  • If operation is stopped, then restarted immediately, the unit will resume operation only after 3 minutes.
  • If you do not plan to use the air conditioner for a long time, turn off the power. If it is left in the ON position, even if the main unit is turned off with the remote control, it will still consume about 2.5 W of current.
  • If operation is stopped and then restarted immediately, the unit will only resume operation after 3 minutes.
Use under the following conditions (Unit in °C)在以下情况使用(单位:°C)
DBT: Dry Bulb Temp干球温度Indoor室内Outdoor室外
DBTWBTDBTWBT
Maximum Temperature最高温度32234326
Minimum Temperature最低温度16111611

●Remote Control

Remote Control

■Inserting batteries

Install the batteries

Diagram of an electronic device showing internal components and battery assembly with labeled parts

Rasonic RU-C75K - Install the batteries - 2

Rasonic RU-C75K - Install the batteries - 3

Slide the cover to open

Press to open the battery compartment cover

Rasonic RU-C75K - Install the batteries - 4

Be sure the directions are correct

Make sure the polarity is correct

PM 12:00

  • Open the remote control cover and confirm the display 12:00 PM is flashing.
  • Open the remote control cover and confirm the display is flashing "12:00 PM".

※ Set the current time (Clock) immediately to prevent battery exhaustion. ※ Set the current time (Clock) immediately to prevent battery drain.

Press the clock button

Press the time button

PM 12:00 ←flashes ←lights up

Rasonic RU-C75K - Press the time button - 2

Press to set the current time

Press to set the current time

Press continuously for fast forwarding. Press continuously for fast reversing.

Rasonic RU-C75K - Press to set the current time - 1

Press the clock button

Press the time button

PM 2:30 ←lights up ←lights up

About the batteries

About the batteries

  • Can be used for approximately one year. Battery life is approximately one year.

Observe the following when replacing the batteries

  • Replace with new batteries of the same type.
  • Do not use rechargeable batteries (Ni-Cd).
  • Remove the batteries if the unit is not going to be used for a long period.

When replacing the batteries, observe the following

Automatic, Cooling, Soft Dry, Fan

Automatic, Cooling, Soft Dry, Fan

Display COOL 25°C CLOSE the Cover COOL 25°C TEMP OFF ON POWERFUL DRasonic 1 2 3 OPERATION Standard temperature TEMP/AT.FE 23°C COOLING 25°C SOFT DRY 22°C

Rasonic RU-C75K - Automatic, Cooling, Soft Dry, Fan - 2

Press to select the desired operation mode

When pressed, the display changes in this order.

Press to select the desired operation mode

When pressed, the display changes in this order.

Rasonic RU-C75K - Press to select the desired operation mode - 1

Rasonic RU-C75K - Press to select the desired operation mode - 2

Press to start the operation

POWER indicator LED (Green) on indoor unit will light up.

Press once more to stop operation.

Press to start operation.

The power indicator LED (green) on the indoor unit will light up.

Press once more to stop operation.

Rasonic RU-C75K - Press to start the operation - 1

Press to select room temperature.

Press to select the room temperature.

Press to increase the temperature by 1°C.

Press to decrease the temperature by 1°C.

- The temperature can be set between 16°C and 30°C.

- Recommended temperature: For Cooling: 26°C - 28°C

For Soft Dry: 1°C - 2°C lower than room

temperature.

1°C to 2°C lower than room temperature.

Rasonic RU-C75K - Press to select room temperature. - 1

Operation 运作Standard temperature 标准温度
COOLING 制冷25°C
SOFT DRY 温和扣湿22°C

■ Operation details

COOL - Cooling Operation

- To set room temperature to your preference of cooling comfort.

- Set the room temperature to your desired cooling comfort.

AUTO – Automatic Operation

  • At the start of the automatic operation, Heating, Cooling or Soft Dry is automatically selected according to the indoor temperature.
  • The operation mode changes every hour, when necessary. • Temperature is not displayed on remote control during Auto mode operation.
  • At the start of automatic operation, Heating, Cooling or Soft Dry is automatically selected based on the indoor temperature.
  • If necessary, the operation mode switches every hour. • !"#\$%&'()*+,-./0

DRY - Soft Dry Operation

• A very gentle Cooling Operation. Consisting primarily of dehumidifying. It does not lower the room temperature. - During Soft Dry operation, the indoor fan operates at Low fan speed. - This is a very gentle cooling operation, mainly for dehumidifying. It does not lower the room temperature. - During Soft Dry operation, the indoor fan runs at low speed.

graph LR A["Setting temperature 设定温度"] --> B["Cooling Operation 制冷运转"] B --> C["Soft Dry operation airflow with 10 mins. ON and 6 mins. OFF alternately. 温和抽湿运转风量交替地 10 分钟开启及 6 分钟关闭。"]

Switch to Soft Dry when setting temperature is reached. When the set temperature is reached, switch to Soft Dry.

●Adjusting Airflow Direction And Fan Speed

Press to select Fan speed • The display changes in this order. → AUTO FAN → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → ⊕ ⊕ ⊕ → 自动低中高 Automatic Low Medium High Selecting Vertical Airflow Direction Press AUTO. • The louver swing up a…

■Operation details

FAN – Air Circulation Operation

- When the room temperature reaches the setting temperature, operation commences at Low airflow volume. It stops when the room temperature drops to 2°C below the setting temperature. (It is useful when using a heater.)

Automatic Airflow Volume

- The speed of the indoor fan is adjusted automatically according to the operation. The indoor fan stops occasionally during cooling operation.

FAN—Air Circulation Operation

* Five stages of adjustments can be made in this range.

* Five stages of adjustments can be made in this range.

SETTING THE TIMER

Setting the Timer

Ensure that the current time is correct before setting the timer. The timer cannot be set if the time display is flashing.

1 Press ON-TIMER Flashes → 6:00 Example: Set the ON-TIMER to 7:00AM 2 Press to set the time Increase by 10 minutes. Decrease by 10 minutes. ※Press continuously for quick setting. 3 Press SET Lights up → ON AM 7:00 ※The timer indicator (orange) on the indoor unit will light up. 4 To set the OFF-TIMER…

■ Timer Cancellation Button

(To cancel the Timer)

Press the ON-TIMER or OFF-TIMER then press CANCEL.

* The timer indicator on the indoor unit will go off.

Timer Cancellation Button (To cancel the Timer)

■ To change the setting time, follow the above steps.

To change the setting time, follow the above steps.

Timer details

Timer details

  • When the ON-Timer is set, operation will start before the actual set time. This is to allow the room temperature to reach the setting temperature by the setting time (maximum of 15 minutes in advance).
  • Once the ON-Timer is set, operation will start at the setting time everyday.
  • When the ON-Timer is set, operation will start before the actual set time. This is to allow the room temperature to reach the setting temperature by the setting time (maximum of 15 minutes in advance).
  • Once the ON-Timer is set, operation will start at the setting time everyday.

Rasonic RU-C75K - ●Recommended Setting of Timer - 1

■When you sleep

- Set the time at which you will go to sleep with the OFF-TIMER. This prevents wastage of electricity.

■When you sleep

- Set the time at which you will wake up with the ON-TIMER. You can start the new day at a comfortable temperature.

■When you wake up

(The above is an example of how you can use the OFF-TIMER and ON-TIMER modes. However, it is recommended to use the sleep mode function for sleeping.)

- Set the time at which you will go out with the OFF-TIMER. Set the time at which you will come back with the ON-TIMER.

- This will prevent the air conditioner from being left on while you are out, and the temperature will be pleasant when you return.

■When going out

- Set the time at which you will return with the ON-TIMER.

- This will make the temperature pleasant when you return, and it will prevent the air conditioner from being left on.

■When returning home

This is to obtain a comfortable room temperature while sleeping. It helps you get a comfortable room temperature while you sleep.

COOL 25 CLOCK MODE ECONOMY FAN SPEED AUTO AIR SWING MANUAL 1 TIMER ON OFF SLEEP 2 3 CANCEL SET ■To set the sleep mode, press SLEEP. ※ The sleep indicator on the indoor unit will light up. ■To cancel the sleep mode, press once more. ■Rasonic

■Operation details

  • When the room temperature reaches the setting temperature, the airflow volume will automatically change to low.
  • Sleep Mode Operation time is 8 hours.
  • When used together with the timer, the timer has priority. • Cooling or Soft Dry Operation for sleep mode movement will start to avoid overcooling.
  • When the room temperature reaches the set temperature, the airflow volume will automatically switch to low.
  • Sleep mode operation time is 8 hours.
  • When used together with the timer, the timer takes priority.
  • During sleep mode operation, cooling or gentle dehumidifying operation will start to prevent overcooling.

graph TD A["Setting temperature 设定的温度"] --> B["0-1 hour / 0-1 小时"] B --> C["Sleep operation button is pressed 按下睡眠运转钮"] C --> D["Approx. 0.5°C increase 大约升高 0.5°C"] D --> E["1 hour / 1 小时"] E --> F["Approx. 8 hours after sleep shift operation start, stops automatically 睡眠运转起动约8个小时之后,自动停止"] F --> G["…

● Economy or Powerful Mode

Economy and Powerful operation cannot be selected simultaneously.

Economy and Powerful operation cannot be selected simultaneously.

COOL 25 CLOCK MODE ECONOMY FAN SPEED Cover is closed POWERFUL OFF/ON DRasonic

Economy Mode

To save electrical power consumption.

However, please use this mode when the room has

reached your desired temperature.

- Press ECONOMY

※ Economy indicator (Green) on indoor unit lights up.

- Press once more to cancel this operation.

Economy Mode

To save electrical power consumption.

To obtain the setting temperature quickly.

- Press POWERFUL

※ Powerful indicator (Orange) on indoor unit lights up. ※ Powerful mode will operate for 15 minutes only. • To cancel this operation, press once more.

Powerful mode

To quickly reach the set temperature.

※ • The changes of the temperature and airflow volume are automatic.

• The remote control display remains unchanged. • If sleep button or operation mode button is pressed, economy or powerful operation is cancelled. - During FAN -Air circulation operation, the powerful and economy operation are not available. • During Economy mode, indoor fan operates on and off at Low speed.

※ · The changes of temperature and airflow volume are automatic.

● Cleaning the Indoor Unit and Remote Control

  • Wipe gently with a soft, dry cloth.
  • Do not clean with water hotter than 40°C or with polishing fluids.
  • The front panel can be removed and cleaned with water. · Wipe gently with a soft, dry cloth.
  • Do not use water hotter than 40°C or polishing fluids to clean.
  • The front panel can be removed and cleaned with water.

Diagram of an air conditioner unit being handled with hands, showing internal panel structure and control panel (no text or symbols)

Rasonic RU-C75K - ● Cleaning the Indoor Unit and Remote Control - 2

Caution

Switch OFF and unplug the power cord before cleaning the air conditioner.

Before cleaning the air conditioner, please switch off the power and unplug it.

Hand holding a switch on an electrical outlet, with a downward arrow indicating direction (no text or symbols)

Cleaning the Air Filter

Clean the air filter.

(Recommendation: If the unit is operated in a dusty environment, clean the filters every two weeks. Continuous use of dirty filters will reduce cooling efficiency.)

Open the front grille and remove the two air filters. Hold the tab, lift up slightly, then pull down.

Wash the back of the air filter with water.

Wash the back of the air filter with water.

Hold the two air filters tightly then pull down.

Rasonic RU-C75K - Clean the air filter. - 2

If badly soiled, wash it with soap or a mild household detergent.

Rasonic RU-C75K - Clean the air filter. - 3

Let it dry and reinstall it.

Be sure the "FRONT" mark is facing you.

Let it dry and then reinstall it.

Make sure the "FRONT" mark is facing you.

Damaged air filter.

Consult the nearest authorized dealer. Part No.: CWD00240.

Damaged air filter.

Consult your nearest authorized dealer.

Part number: CWD00240.

Benzene Thinner

  • Do not clean using benzene, thinner, scouring powder or cloths soaked in caustic chemicals.
  • Do not clean the filter with gasoline, thinner, scouring powder, or cloths soaked in caustic chemicals.

● Cleaning the Front Panel

(Must be removed before washing)

Rasonic RU-C75K - ● Cleaning the Front Panel - 1

Caution

  • Stand on a level surface when removing the front panel.
  • When removing the front panel, stand on a flat surface.
  • Do not touch the metal parts in the indoor unit after removing the front panel.
  • After removing the front panel, do not touch the metal parts of the indoor unit.
  • Do not leave water on the panel after cleaning. Dry thoroughly to prevent electric shock.
  • After cleaning, do not leave water stains on the front panel. Dry it completely to avoid electric shock.

Removing the front panel

Rasonic RU-C75K - Removing the front panel - 1

Raise the front panel to its full extent.

Pro on indoor

Protruding portion on indoor unit

Rasonic RU-C75K - Removing the front panel - 3

Slide the two tabs (left and right) to the UNLOCK position.

Fixing the front panel

Rasonic RU-C75K - Fixing the front panel - 1

Raise the front panel horizontally, match the protruding portion on the indoor unit to the fulcrum and push into place.

Slide the two tabs up to the Lock position. (Click sound)

Note: If the tabs are left in the UNLOCK position, the front panel will not close.

If the panel does not close completely, check the tabs positions and try again.

Raise the front panel to a position slightly higher than horizontal and pull to remove.

Line drawing of a wall-mounted air conditioner unit with ventilation grilles and airflow direction arrows (no text or symbols)

Cleaning the front panel

Cleaning the front panel

• Gently wash with water and a sponge. (Do not use a scrubbing brush or other hard cleaning aids.) - Do not press the front panel too hard when washing. (Excess pressure may damage the panel.) - When cleaning with kitchen cleaning fluids (neutral detergents), rinse thoroughly. (Do not use non-neutral detergents.) - Do not dry the front panel in direct sunlight. (Exposure to direct sunlight may discolor or deform the panel.)

Illustration of hands cleaning a corrugated wooden plank (no text or symbols)

Replacing the Air Purifying Filters

(once every 3 months)

  • Do not reuse dirty filters. Consult the nearest authorized dealer. (Air Purifying filter No. CZ-SF51N) • These filters function effectively for not more than three months.
  • If the air conditioner operates with dirty filters:
  • Air is not purified.
  • Cooling capacity decreases.
  • Foul odours are emitted.
  • Note: Catechin is natural brown element. The filter is coated with catechin in order to prevent the growth of bacteria and viruses.

(Once every three months)

1 Raise the front panel to its full extent. Lift the front panel to its full extent. 2 Remove the air filters (left and right). • Lift up slightly then pull down Remove the air filters (left and right). • Lift up slightly then pull down. 3 Hold the tabs of the air purifying filters and pull. Hold the tabs of the air purifying filters and pull.

Rasonic RU-C75K - Replacing the Air Purifying Filters - 1

Caution - Be careful not to hurt your hands on metal parts. Caution - Be careful not to hurt your hands on metal parts.

■Reinstalling the air purifying filters Reinstalling the air purifying filters

Press here

1 Open the filter frame to insert the new filters. Open the filter frame to insert the new filters. 2 Insert the new air purifying filter. (Be sure the "FRONT" mark is facing you.) Insert the new air purifying filter. (Be sure the "FRONT" mark is facing you.) 3 Push until you hear a click. Push until you hear a click. 4 Reinsert the air filters. Reinsert the air filters. 5 Close the front panel. Close the front panel.

●Pre-season Inspection

Pre-season inspection

• Is the discharge air cold?

Operation is normal if 15 minutes after the start of operation, the difference between the air intake and outlet vents temperatures is 8°C or above for cooling.

Is the air being discharged cold?

Illustration of a hand holding a smartphone with a digital display and lightning bolt (no text or symbols)

Are the air intake or outlet vents of the indoor or outdoor units obstructed?

Are the remote control batteries weak?

If the remote control display appears weak, replace the batteries (page 12).

Are the remote control batteries exhausted?

When the Air Conditioner is Not Used For an Extended Period of Time

When the air conditioner is not used for an extended period of time

1

To dry the internal parts of the indoor unit, operate the unit for 2 - 3 hours using FAN operation.

Turn off the power switch and remove the power supply plug.

Note: If the unit is not switched off by the remote control, it will start operating when you plug in (because a Auto Restart Control is provided).

Turn off the power switch and unplug the power plug.

Diagram of a device with battery pack and two cylindrical batteries, showing internal components (no text or symbols)

Inspection recommendations

The unit will become dirty after use over several seasons, reducing performance. Depending on the operation condition, a dirty unit may produce foul odours and dust may pollute the dehumidifying drainage. Seasonal inspection is recommended, in addition to regular cleaning. Consult an authorized dealer.

Q - Is it okay? A - This is the answer.

Q - Is it normal? A - This is the explanation.

Q - Air conditioner has been restarted, but does not operate for 3 minutes. A - This is to protect the air conditioner. Wait until the air conditioner begins operating. Q - It has been started for 3 minutes but the air conditioner does not operate. A - This is the protective mechanism inside the unit. Please wait until the air conditioner starts operating.

Ssshh - This is the sound of refrigerant flowing inside the unit. That fog is coming out of the air conditioner. Condensation occurs when the cold airflow from the air conditioner cools the room air.

Q - It seems that fog is coming out from the air conditioner. A - Condensation occurs when the airflow from the air conditioner cools the room air. Q - It seems that fog is blowing out from the air conditioner. A - Condensation occurs when the cold airflow from the unit cools the room air.

Line drawing of a hand holding a smartphone (no text or symbols visible)

Q - The room has a peculiar odour. A - This may be a damp smell emitted by the walls, carpet, furniture or clothing in the room. Q - The room has an unusual smell. A - This may be a damp smell coming from the walls, carpet, furniture, or clothing in the room.

DRY

Q - During soft dry mode operation the air conditioner stops. A - Soft Dry Mode operation is a very gentle cooling operation consisting primarily of dehumidifying. The air conditioner may stop for approximately 6 minutes in order to prevent overcooling. If the room temperature rises again, the operation will recommence. Q - During gentle dehumidifying operation, the air conditioner stops. A - Gentle dehumidifying operation is a light cooling operation mainly for dehumidifying. If the temperature becomes too cold, the air conditioner will stop for about 6 minutes to prevent overcooling. When the room temperature rises, the air conditioner will resume operation.

AUTO FAN

Q - During Automatic Airflow Volume setting, Indoor fan stops occasionally. A - This is to remove the smell emitted by the surroundings. Q - During automatic airflow setting, the indoor fan stops occasionally. A - This is to eliminate odors from the surroundings.

●Abnormal Operation

Hmm! Conditioner does not operate. Has the circuit breaker been tripped? Has the power plug been removed? Air conditioner operation too loud. Is the installation work sh... Is the front grille closed properly? The noise during air conditioner operation is too loud. Is the air conditioner installed a…

The air conditioner does not operate.

  • Has a circuit breaker been tripped?
  • Has the power plug been removed from the wall outlet? • Is the timer being used correctly? The air conditioner does not operate.
  • Has the circuit breaker tripped?
  • Is the power plug pulled out from the wall outlet?
  • Is the timer set correctly?

The air conditioner does not cool effectively.

  • Has the temperature been set incorrectly?
  • Are the filters dirty?
  • Are the intake or outlet vents of the outdoor unit obstructed?
  • Are all windows and doors closed?

The air conditioner does not cool effectively.

Call the Dealer Immediately

If the following conditions occur, immediately turn off the main power supply and unplug.

• Abnormal noise is heard during operation.

• Water or foreign material gets into the remote control by mistake.

• Water leaks from the indoor unit.

Illustration of a classic rotary dial telephone with a cord and keypad (no text or symbols on the device itself)

  • Switches or buttons do not operate properly.
  • Switches or buttons do not operate properly.

• The circuit breaker switches off frequently.

• Power supply cord and plug become unusually warm.

HELPFUL INFORMATION

HELPFUL INFORMATION

Auto Operation ButtonLine drawing of a printer with a hand pointing to a terminal connector (no text or symbols present)

■ Automatic Operation

  • If the remote control fails to function or is misplaced, press the Auto Operation button for automatic operation. However, the temperature cannot be adjusted in this operation.
  • The power LED on the indoor unit blinks until the operation mode is selected automatically. • To cancel this operation, press once more.

■ Automatic Operation

■ Remote Control Signal Receiving Sound

• To switch off the beep (signal receiving sound), press this Auto Operation button for 10 seconds continuously or longer. - Repeat this if you want to switch on the beep sound.

■ Remote Control Signal Receiving Sound

※ Note: If you press this button continuously for between 5 to 10 seconds, a Test Run operation will be performed.

(This is for servicing purposes only)

  • If power is resumed after a power failure, the operation will restart automatically after 3 to 5 minutes.
  • Operation will be automatically restarted under the previous operation mode and airflow direction when power is resumed, as the operation is not stopped by remote control.

Automatic restart control

Thunder and Lightning

- This air conditioner is equipped with a built-in surge protective device. However, in order to further protect your air conditioner from being damaged by abnormally strong lightning activity, you may switch off the main power supply and unplug from power socket.

Thunder and Lightning

This appliance must be earthed.

Rasonic RU-C75K - Thunder and Lightning - 1

CAUTION

Remove power plug or disconnect from the mains before servicing the appliance.

IMPORTANT

The wires in this mains lead are coloured in accordance with the following code:

Green-and-yellow: Earth

Blue: Neutral

Brown: Live

As the colours of the wires in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured green-and-yellow must be connected to the terminal in the plug which is marked with the letter E or by the earth symbol ⊕ or coloured green or green-and-yellow.

The wire which is coloured blue must be connected to the terminal which is marked with the letter N or coloured black.

The wire which is coloured brown must be connected to the terminal which is marked with the letter L or coloured red.

NOTE

If the supply cord of this appliance is damaged, it must only be replaced by a repair shop appointed by the manufacturer, because special purpose tools are required.

Disconnect the mains plug from the supply socket when not in use, where supply connection is via mains plug.

This appliance must be grounded.

Rasonic RU-C75K - NOTE - 1

Rasonic RU-C75K - NOTE - 2

Please remember to record the following / Please record the following data:

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Product information

Brand : Rasonic

Model : RU-C75K

Category : Washing machine