ƒWhen quiet operation is stopped, operation is shifted to normal operation with previous setting.

ƒWhen fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed.

ƒWhen operation mode is changed, quiet operation is shifted to quiet operation of the new mode.

ƒDuring quiet operation, if ON timer activates, quiet operation maintains.

ƒAfter off, when on back, quiet operation is not memorized.

Control content

o Fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of Hi, Me, Lo for 3dB (more than 3dB for some models).

o Fan speed for quiet operation is -1 step from setting fan speed.

11.7 Powerful Mode Operation

When the powerful mode is selected, the internal setting temperature will shift lower up to 35.6°F (for Cooling/Soft Dry) than remote control setting temperature for 20 minutes and the fan speed will increase to achieve the setting temperature quickly.

Powerful operation stops condition

o When one of the following condition is satisfied, powerful operation stops:

ƒQuiet button is pressed.

ƒStop by OFF/ON button.

ƒOFF Timer activates.

ƒPowerful button is pressed again.

ƒPowerful operation continue for 20 minutes.

11.8 Timer Control

11.8.1ON Timer Control

ON timer can be set using remote control, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable environment when reaching the set ON time.

60 minutes before the set time, indoor (at fan speed of Lo-) and outdoor fan motor start operate for 30 seconds to determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time.

From the judgment, the decided operation will start operation earlier than the set time as shown below.

Indoor intake air temperature (°F)

86

15 min

10 min

77

5 min

Outdoor air

8695 temperature (°F) Cooling / Soft Dry

11.8.2OFF Timer Control

OFF timer can be set using remote control, the unit with timer set will stop operate at set time.

11.9Random Auto Restart Control

When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within three to four minutes. There are 10 patterns to be selected randomly after power supply resumes.

This control is not applicable during OFF/ON Timer setting.

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Panasonic CS-S22NKU-1 Powerful Mode Operation, Random Auto Restart Control, On Timer Control, OFF Timer Control

CS-S9NKUW-1, CS-S22NKU-1, CU-S18NKU-1, CS-S18NKU-1, CS-S12NKUW-1 specifications

Panasonic has long been a leader in the HVAC industry, and its latest range of air conditioning units—including the CU-S9NKU-1, CU-S12NKU-1, CU-S22NKU-1, CS-S12NKUW-1, and CS-S18NKU-1—showcases innovative features and robust technologies designed to enhance home comfort while reducing energy consumption.

The CU-S9NKU-1 model is notable for its compact design, making it ideal for smaller spaces without sacrificing performance. It boasts advanced inverter technology, enabling precise temperature control and energy efficiency. The built-in air purification system ensures that indoor air quality remains high, filtering out allergens and pollutants.

Similarly, the CU-S12NKU-1 variant provides a balance of power and efficiency for medium-sized rooms. This model incorporates a quiet operation feature, making it a perfect choice for bedrooms and living areas where noise levels need to be minimized. The adjustable airflow louvers ensure that air is distributed evenly throughout the space.

For larger spaces, the CU-S22NKU-1 stands out with its high cooling and heating capacity. This model is equipped with a dual inverter compressor that enhances both efficiency and performance, providing rapid cooling or heating when needed. The user-friendly remote control and smart connectivity options allow homeowners to adjust settings conveniently, even when they’re away from home.

The CS-S12NKUW-1 model features a sleek design and additional functionalities like the Eco Mode and Sleep Mode. Eco Mode adjusts the power consumption based on the user’s preferences, while Sleep Mode operates at low noise levels, promoting a restful environment during nighttime hours.

Lastly, the CS-S18NKU-1 combines innovative technology with aesthetic appeal. Its modern design is meant to complement contemporary interiors, and its high seasonal energy efficiency ratio (SEER) indicates strong performance in cooling seasons. Additionally, this model includes several energy-saving modes that adapt to changing thermal loads, ensuring that energy wastage is minimized.

Overall, Panasonic’s CU and CS series air conditioning units offer an impressive blend of technology and design, making them suitable for various needs and spaces while focusing on energy efficiency and user comfort. Whether for residential or light commercial use, these models provide reliable, effective solutions for climate control.