<Wireless remote controller type>

1.Before troubleshooting

1)Required tools/instruments

+ and screwdrivers, spanners, radio cutting pliers, nippers, etc.

Tester, thermometer, pressure gauge, etc.

2)Confirmation points before check

a) The following operations are normal.

1.Compressor does not operate.

Is not 3-minutes delay (3 minutes after compressor OFF)?

Is not the outdoor unit in standby status though the remote controller reached the setup temperature?

Does not timer operate during fan operation?

Is not an overflow error detected on the indoor unit?

Is not outside high-temperature operation controlled in heating operation?

2.Indoor fan does not rotate.

Does not cool air discharge preventive control work in heating operation?

3.Outdoor fan does not rotate or air volume changes.

Does not high-temperature release operation control work in heating operation?

Does not outside low-temperature operation control work in cooling operation?

Is not defrost operation performed?

4.ON/OFF operation cannot be performed from remote controller.

Is not forced operation performed?

Is not the control operation performed from outside/remote side?

Is not automatic address being set up?

Is not being carried out a test run by operation of the outdoor controller?

b)Did you return the cabling to the initial positions?

c)Are connecting cables between indoor unit and receiving unit correct?

2. Troubleshooting procedure

(When the power is turned on at the first time or when indoor unit address setting is changed, the operation cannot be performed for maximum approx. 5 minutes after power-ON.)

When a trouble occurred, check the parts along with the following procedure.

Trouble

Confirmation of lamp display

(When wireless remote controller is connected)

Check defective position and parts.

– 43 –

Page 43
Image 43
Toshiba CONCEALED DUCK TYPE, CEILING TYPE service manual Wireless remote controller type

CONCEALED DUCK TYPE, CEILING TYPE specifications

Toshiba has long been a name associated with innovative and efficient HVAC solutions, and their Concealed Duck Type, Ceiling Type air conditioning units exemplify this legacy. These units are designed to provide exceptional comfort while seamlessly integrating into a variety of interior spaces.

One of the main features of the Toshiba Concealed Duck Type, Ceiling Type system is its discreet installation method. Unlike traditional wall-mounted units, this system is installed within the ceiling, allowing for an unobtrusive appearance. The result is a clean and modern aesthetic, ideal for residential and commercial settings where design is a priority. With only the supply and return grilles visible, the units maintain the integrity of the interior decor.

The technology employed in Toshiba's air conditioning systems revolves around energy efficiency and user comfort. The units are equipped with inverter technology, which allows for precise temperature control and reduces energy consumption. The inverter adjusts the compressor speed to meet the cooling or heating demand, ensuring not only optimal comfort but also reduced operational costs.

Another significant characteristic of the Toshiba Concealed Duck Type units is their quiet operation. Designed with sound-dampening features, they operate at low noise levels, making them suitable for environments where noise can be a concern, such as offices, hotels, or residential spaces.

Toshiba's advanced air filtration system further enhances indoor air quality. Integrated filters capture dust and allergens, creating a healthier indoor environment. This is particularly beneficial for individuals with allergies or respiratory concerns, as the system works to reduce airborne pollutants.

The units also offer flexible control options. With the availability of remote control or smart home integration, users can easily adjust settings to suit their preferences. Additionally, some models come with programmable timers, allowing for energy savings when the space is unoccupied.

Furthermore, these units are designed for reliability and ease of maintenance. Toshiba emphasizes durability in their construction, and the concealed installation not only enhances aesthetics but also protects the unit from potential damage. Routine maintenance can be performed efficiently, ensuring longevity and sustained performance.

In summary, Toshiba's Concealed Duck Type, Ceiling Type air conditioning units deliver a blend of innovative technology, energy efficiency, and contemporary design. With features like inverter technology, quiet operation, advanced air filtration, and flexible control options, they offer a compelling choice for those seeking comfort without compromising style. These units stand as a testament to Toshiba's commitment to quality and customer satisfaction in the HVAC industry.