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 18°C (64°F) and 30°C (88°F) in 1°C (2°F) steps.

(Fig. 3 : Operation flow chart in Auto changeover)

 

START

 

 

 

 

Room temp.

 

YES

 

 

>Ts+2°C (4°F) ?

 

 

 

 

NO

TS : Setting temperature

 

NO

Room temp.

 

 

 

 

<Ts- 2°C(4°F) ?

 

 

 

 

YES

 

 

 

 

HEATING OPERATION

 

COOLING OPERATION

 

YES

Thermostat remains

 

Thermostat remains

YES

 

in OFF state for 6 minutes or

in OFF state for 6 minutes or

 

 

longer?

 

longer?

 

 

NO

 

NO

 

YES

System stops

 

System stops

YES

or operation command other than

or operation command other than

 

auto changeover operation?

 

auto changeover operation?

 

 

NO

 

NO

 

01-03

Page 8
Image 8
Fujitsu AOU09RL2, ASU12RL2, AOU12RL2 manual Auto Changeover Operation, 01-03