INDOOR UNIT CONTROL CIRCUIT (Continued)
NO. | Item |
| Overview of specifications |
| Remarks | |||||||||||||||
6 | Fan speed control | (1) A fan speed HH (quick high), H (high), L (low) or AUTO is selected | HH>H+>H> | |||||||||||||||||
|
| according to the instruction from remote controller for FAN mode | L+>L>UL | |||||||||||||||||
|
| operation. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| (2) Fan speed is switched according to the difference between Ta and | Wireless type allows HH, | |||||||||||||||||
|
| Ts in the AUTO mode. |
|
|
|
|
| H+, H, L+, L, and AUTO. | ||||||||||||
|
| [Cooling] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| HH |
|
| Ta (˚C) |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
| A |
|
|
|
|
|
|
| H+ | |||||
|
| +3.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| HH |
|
|
|
|
| B |
|
|
|
|
|
|
| H | ||
|
| +2.5 |
|
|
|
|
|
|
|
|
|
| ||||||||
|
|
|
| (HH) |
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
| C |
|
|
| ||||||||||||||
|
| +2.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| L+ | |||
|
|
|
| H+(HH) |
|
|
|
| D |
| ||||||||||
|
| +1.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
| H(HH) |
|
|
|
|
|
|
|
|
|
|
|
|
|
| L | |
|
| +1.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| L+(H+) |
|
|
|
| E |
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
| |||||||||
|
| +0.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| L(H) |
|
|
|
|
|
|
|
|
|
| ||||||
|
| Tsc |
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| L(H) | F |
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
| |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| L(L+) | G |
|
|
|
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
•The fan speed control is the same for temperature setting by remote controller or the unit.
•Once fan speed is changed, it remains unchanged for 3 minutes unless different fan speed is selected by instruction.
•At the beginning of cooling, a falling gradient (higher fan speed) is selected.
•When the temperature difference between Ta and Ts is on a threshold line, fan speed does not change.
•( ): Auto cooling
[Heating] |
|
|
|
|
|
|
|
|
|
|
|
|
| Ta (˚C) |
|
|
|
|
|
|
|
|
|
| |
| L( L+) |
|
|
|
|
| E |
|
|
| ||
|
|
|
|
|
| |||||||
|
|
|
|
| ||||||||
| L+(H) |
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
| |||
(0) | Tsh |
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
| ||
| H(H+) |
|
|
|
|
|
|
|
|
| ||
(+0.5) | +1.0 |
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| ||
| H+ |
|
|
|
|
| D |
|
|
| ||
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| ||
|
|
| (HH) |
|
|
|
|
|
|
|
| |
(+1.0) | +2.0 |
|
|
|
|
|
|
|
|
|
|
|
| HH |
|
|
|
|
| C |
|
|
| ||
| +3.0 |
|
|
|
|
|
|
|
| |||
(+1.5) |
|
|
|
|
|
|
|
|
| |||
| (HH) |
|
|
|
|
| B |
|
|
| ||
|
|
|
|
|
|
|
| |||||
(+2.0) | +4.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
| A |
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
( ): Temperature setting by remote controller |
|
|
|
| ||||||||
Other than ( ): Temperature setting by unit |
|
|
|
| ||||||||
• Once fan speed is changed, it remains unchanged for one minute |
| |||||||||||
unless different fan speed is selected by instruction. |
| |||||||||||
• At the beginning of heating, a rising gradient (higher fan speed) is |
| |||||||||||
selected. |
|
|
|
|
|
|
|
|
|
|
|
|
• When the temperature difference between Ta and Ts is on a |
| |||||||||||
threshold line, fan speed does not change. |
|
|
|
| ||||||||
• ( ): Auto heating |
|
|
|
|
|
|
|
|
|
| ||
• Fan speed is switched to a higher level when Tc reaches 60 °C. | Tc : Indoor unit heat | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
| exchange sensor |
|
|
|
|
|
|
|
|
|
|
|
| temp. |
– 19 –