Operation flow chart
Start
Room temp. >
Ts+
3.6°F(
2°C)?
Cooling operation
Heating operation
Auto change over is
second or more?
No
Yes
Ts: Setting temperarure
Thermostat remains
in off state for 6 minutes
or longer?
System stops
or operation command
other than auto changeover
operation?
Middle zone
Operation mode of
outdoor unit: Cooling?
Outdoor temp.
<
77.0°F(
25°C)?
Operation mode before
the monitor mode
is cooling mode?
Monitor
mode
Room temp. <
Ts-
3.6°F(
2°C)?
No
Yes
No
Yes
No
Yes
No
Yes
No
No
Operation mode of
outdoor unit: Heating?
Yes
Yes
No
System stops
or operation command
other than auto changeover
operation?
Yes
No
Yes
No
Thermostat remains
in off state for 6 minutes
or longer?
Yes
No
- (04-9) -
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
Summary of Contents for ADUH09LUAS1
Page 4: ......
Page 5: ...1 GENERAL INFORMATION 2021 04 02 SR_CH01_AR030EF_01 ...
Page 16: ...2 2 Outdoor unit 01 10 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...
Page 17: ...2 TECHNICAL DATA AND PARTS LIST 2021 04 02 SR_CH02_AR030EF_01 ...
Page 49: ...3 TROUBLESHOOTING 2021 04 26 SR_CH03_AR030EF_01 ...
Page 52: ......
Page 110: ...5 2 Outdoor unit 03 58 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Page 111: ...4 CONTROL AND FUNCTIONS 2021 04 26 SR_CH04_AR030EF_01 ...
Page 145: ...5 FILED WORKING 2021 04 26 SR_CH05_AR030EF_01 ...
