2. Auto changeover operation
→hen the air conditioner is set to AUTO mode by remote controller, operation starts in the optimum
mode from among heating, cooling, dry and monitoring modes. During operation, the optimum mode
is automatically switched in accordance with temperature changes. The temperature can be set be-
tween 64.4°F (18°C) and 86.0°F (30°C) in 1.8°F (1.0°C) steps.
• →hen operation starts, indoor fan and outdoor fan are operated for around 1 minute.
Room temperature and outdoor temperature are sensed, and the operation mode is selected in
accordance with the table below.
Room temperature
Operation mode
Tr > Ts + 3.6°F (2°C)
Cooling
Ts + 3.6°F (2°C) ≥ Tr ≥ Ts - 3.6°F (2°C)
Middle zone
Tr < Ts - 3.6°F (2°C)
Heating
Tr: Room temperature
Ts: Setting temperature
NOTE:
→hen the operation mode is middle zone, indoor unit operation mode is selected as below.
• Same operation mode is selected as outdoor unit.
If outdoor unit is operating in cooling and heating mode, indoor unit will be operated by
the same operation mode.
• Selected by outdoor temperature.
If outdoor unit is operating in other than cooling and heating mode, indoor unit will be op-
erated according to the outdoor temperature as below.
Outdoor temp.
Operation mode
77.0°F (25°C) or more
Cooling
Less than 77.0°F (25°C)
Heating
• →hen the compressor was stopped for 6 consecutive minutes by temperature control function af-
ter the cooling or heating mode was selected as above, operation is switched to monitoring mode
and the operation mode selection is done again.
• →hen the middle zone is selected on the predetermining of the operation mode, the operation
mode before the changing to the monitoring mode is selected.
- (04-8) -
2. Auto changeover operation
C
O
N
TR
O
L
A
N
D
FU
N
C
TI
O
N
S
C
O
N
TR
O
L
A
N
D
FU
N
C
TI
O
N
S
Содержание ADUH09LUAS1
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2021 04 02 SR_CH01_AR030EF_01 ...
Страница 16: ...2 2 Outdoor unit 01 10 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...
Страница 17: ...2 TECHNICAL DATA AND PARTS LIST 2021 04 02 SR_CH02_AR030EF_01 ...
Страница 49: ...3 TROUBLESHOOTING 2021 04 26 SR_CH03_AR030EF_01 ...
Страница 52: ......
Страница 110: ...5 2 Outdoor unit 03 58 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Страница 111: ...4 CONTROL AND FUNCTIONS 2021 04 26 SR_CH04_AR030EF_01 ...
Страница 145: ...5 FILED WORKING 2021 04 26 SR_CH05_AR030EF_01 ...