(b) Fan control Heating mode and Heating principal mode.
(c)
The fan motor is operated at fan speed shown in Table 2 from the outside temperature.
OUTSIDE TEMPERATURE
USUAL
Table 2 Fan speed switching from the outside temperature
THO>
1
>
=
THO>
>
=
THO>
>
=
THo
(THO)
1
1
1
Same capacity fan control
When the operating mode of the outdoor unit is the same capacity mode, the fan 1/2 are turned off.
When the operating mode of the outdoor
unit is changed from the same capacity operating mode
t
o another operating mode, the fan operates in accordance with fan speed at the start of that mode.
(d) Oil recovery fan control
The fan control in the cooling mode is performed at the time of oil recovery.
18
C
18
C
15
C
15
C
10
C
10
C
Fan Speed Switching
(a) Fan Control of cooling mode and cooling principal mode.
The fan motor is operated at fan speed shown in Table 1 from the outside temperature.
OUTSIDE TEMPERATURE
USUAL NIGHT OPERATING MODE
Table 1 Fan speed switching from the outside temperature
THO>
1
3
>
=
THO>
>
=
THO>
>
=
THo
(THO)
2
4
5
3
4
5
29
C
29
C
18
C
18
C
6
C
6
C
– 47 –