Fujitsu AO G18KATA Series - Page 13

Operation flow chart
Start
Room temp. >
Ts+2°C?
Cooling operationHeating 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.
< 25 °C?
Operation mode before
the monitor mode
is cooling mode?
Monitor
mode
Room temp. <
Ts-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
- (04-8) - 2. Auto changeover operation
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS