|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| FILE NO. | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| Item |
|
|
| Operation flow and applicable data, etc. |
| Description | |||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
4. |
| Capacity | The cooling or heating capacity depending on the load is |
| 1) The difference between set | ||||||||||||||||
|
| control | adjusted. |
|
|
|
|
|
|
| temperature on remote controller | ||||||||||
|
|
|
|
| According to difference between the setup value of tempera- |
| (Ts) and room temperature (Ta) | ||||||||||||||
|
|
|
|
|
| is calculated. |
|
| |||||||||||||
|
|
|
|
| ture and the room temperature, the capacity is adjusted by |
|
|
| |||||||||||||
|
|
|
|
|
|
|
|
|
| ||||||||||||
|
|
|
|
| the compressor revolution. |
|
|
|
|
|
| 2) According to the temperature | |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| difference, the correction value of | |||
|
|
| Remote contr oller |
|
|
| Indoor unit |
| Hz signal which determines the | ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| compressor speed is set up. | |||
|
|
| Set temp. (Ts) |
|
|
| Room temp. (Ta) |
|
|
| |||||||||||
|
|
|
|
|
|
|
| 3) The rotating position and speed | |||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| of the motor are detected by the | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| electromotive force occurred on | |||
|
|
|
|
|
|
|
|
| Ts −Ta |
|
|
|
|
|
|
| the motor winding with operation | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| of the compressor. | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 4) According to the difference | |||
|
|
|
|
|
|
| Correction value of Hz signal |
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| resulted from comparison of the | ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| correction value of Hz signal with | |||
|
|
|
|
|
| Detection of electromotive force |
|
|
|
|
|
| the present operation Hz, the | ||||||||
|
|
|
|
|
|
| of compressor motor winding |
|
|
|
|
|
| inverter output and the commuta- | |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| tion timing are varied. | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 5) Change the compressor motor | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
| Detection of motor speed (Operation Hz) |
|
|
|
|
|
| |||||||||
|
|
|
|
|
|
|
|
|
|
|
| speed by outputting power to the | |||||||||
|
|
|
|
|
|
|
| and rotor position |
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| compressor. |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| * The contents of control | |||
|
|
|
|
| Correction value of Hz |
|
|
|
|
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
| operation are same in cooling | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| operation and heating | |||
|
|
|
|
|
|
|
| Inverter output change |
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| operation |
|
| |||||
|
|
|
|
|
|
| Commutation timing change |
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
| Change of compressor speed |
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5. |
| Current release | This function prevents troubles on the electronic parts of the |
| 1) The input current of the outdoor | ||||||||||||||||
|
| control | compressor driving inverter. |
|
|
|
|
|
| unit is detected in the inverter | |||||||||||
|
|
|
|
| This function also controls drive circuit of the compressor |
| section of the outdoor unit. | ||||||||||||||
|
|
|
|
|
|
|
|
|
| ||||||||||||
|
|
|
|
| speed so that electric power of the compressor drive circuit |
| 2) According to the detected | ||||||||||||||
|
|
|
|
| does not exceed the specified value. |
|
|
|
|
|
| outdoor temperature, the | |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| specified value of the current is | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| selected. |
|
| |
|
| Outdoor unit inverter main |
|
| Outdoor temp. To |
|
|
|
| ||||||||||||
|
|
|
|
|
|
| 3) Whether the current value | ||||||||||||||
|
|
| circuit control current |
|
|
|
|
|
|
|
|
| |||||||||
|
|
|
|
|
|
|
|
|
| ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| exceeds the specified value or | |||
|
|
|
|
|
|
|
|
|
|
| Setup of current release point |
|
|
| not is judged. |
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 4) If the current value exceeds the | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
| High |
|
|
|
|
|
|
| specified value, this function | ||||
|
|
| Operating current ≤ |
|
|
|
|
|
|
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
| reduces the compressor speed | ||||||||||
|
|
|
| Reduce compressor speed |
|
|
| ||||||||||||||
|
|
|
|
|
|
|
|
| |||||||||||||
|
|
| Setup value |
|
|
|
|
|
| and controls speed up to the | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||||
|
|
| Low |
|
|
|
|
|
|
|
|
|
|
|
|
| closest one commanded from the | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
| Current decrease |
| indoor unit within the range | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
|
| which does not exceed the | |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
| Capacity control continues. |
|
|
|
|
|
|
|
|
| specified value. | |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| Outdoor temp. | Cooling current release value |
|
| Heating current release value |
| ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
| ||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
| 113ºF (45ºC) |
|
|
|
|
|
| 6.07A |
|
| 7.05A |
|
|
|
|
|
| |||
|
| 104ºF (40ºC) |
|
|
| 111ºF (44ºC) | 7.12A |
|
| 9.30A |
|
|
|
|
|
| |||||
|
| 61ºF (16ºC) |
|
|
| 102ºF (39ºC) | 8.47A |
|
| 10.50A |
|
| 8.77A |
| 10.88A |
| |||||
|
| 52ºF (11ºC) |
|
|
| 60ºF (15.5ºC) |
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
| 51ºF (10.5ºC) |
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
– 33 –