30
31
31
(2) Indoor fan control
(a) Normal control
(
!
)The indoor fan runs on EXTRA-LOW speed during the thermostat OFF.
EXTRA-LOW speed can be changed to LOW or HIGH speed by setting the dipswitch SW1-5 and SW1-6, If the pipe
temperature becomes more than 5 degrees below the room temperature during the thermostat OFF, the indoor fan
will stop. After, when the pipe temperature becomes within 5 degrees of room temperature, the indoor fan will run on
EXTRA-LOW speed.
(
@
)Hot adjustment
Hot adjustment is a warm-up for HEAT operation
<Start conditions>
The hot adjustment works under any of the following conditions.
● HEAT operation starts.
● Defrosting ends.
● Thermostat turns ON.
[Hot adjustment]
Initially, the indoor fan runs on EXTRA-LOW speed. When 5 minutes have passed or the pipe temperature exceeds
35°C, the fan speed changes to LOW. Two minutes later, the hot adjustment ends. Then, the fan speed depends on
the remote controller setting.
(
#
)The indoor fan stops when the pipe temperature is within 5 degrees either way of room temperature.
(
$
)To eliminate the remaining heat, the indoor fan runs for the first 1 minute after the booster heater is turned OFF.
(3) Auto vane control
Auto vane position is set to 70 degrees airflow at the start-up of Heat operation.
The airflow direction can be changed by the remote controller setting.
In the following cases, airflow direction becomes 10° regardless of the remote controller setting.
1
During the hot adjustment with fan speed at EXTRA-LOW
2
During defrosting with indoor fan OFF
3
During the thermostat OFF
10°
30°
60°
70°
SWING
OC231A
