Auto Changeover Operation - Fujitsu AG G12LVCA Series Service Instruction

4. AUTO CHANGEOVER OPERATION

When the air conditioner is set to the AUTO mode by remote control, operation starts in the optimum
mode from among the Heating, Cooling, Dry and Monitoring modes.
During operation, the optimum mode is automatically switched in accordance with temperature changes.
The temperature can be set between
(Fig. 3 : Operation flow chart in Auto changeover)
Room temp.
NO
Room temp.
HEATING OPERATION
Thermostat remains
YES
in OFF state for 6 minutes or
YES
or operation command other than
auto changeover operation?
18°C and
START
YES
>Ts+2°C ?
T Setting temperature
NO
:
S
<Ts- 2°C ?
YES
longer?
NO
System stops
NO
30°C in 1°C steps.
COOLING OPERATION
Thermostat remains
in OFF state for 6 minutes or
longer?
NO
System stops
or operation command other than
auto changeover operation?
NO
01-03
YES
YES