Mitsubishi Electric FDF100VSXVD Technical Manual page 102

(d) Outdoor unit fan control
1) Outdoor unit fan tap and fan motor speed
Model
100~140
(1)
200, 250
Notes (1) Fan motor speed for model 200 and 250 are same for both upper and lower fan motor.
(2) Value in ( ) are for the model 125, 140.
(3) Value in ( ) are for the model 250.
2) Fan tap control during cooling/Defumidifying operation
Fan taps are selected depending on the outdoor unit heat exchanger temperature (Tho-R1, R2) and the outdoor air temperature (Tho-A).
Note (1) It is detected by Tho-R1 or R2, whichever the higher.
• Model 100 ~ 140
zone Tap 5
zone Tap 5
zone Tap 4
zone Tap 3
Note (1) In silent mode, the fan taps are shifted from "Tap 4" to "Tap 3" for all models.
zone
zone
15 18
3) Fan tap control during heating operation
Fan taps are selected depending on the outdoor unit heat exchanger temperature (Tho-R1, R2) and the outdoor air temperature (Tho-A).
Note (1) It is detected by Tho-R1 or R2, whichever the lower.
• Model 100 ~ 140
zone Tap 3
zone Tap 3
zone Tap 4
Note (1) In silent mode, the fan taps are shifted from "Tap 4" to "Tap 3" for all models.
zone
3
Outdoor air temp. (˚C)
4) Outdoor unit fan control at cooling low outdoor air
a) When all the following conditions are established after the start of compressor, the following control is implemented.
If the outdoor air temperature (Tho-A) is in the zone
seconds from the start of outdoor unit fan and the outdoor unit fan is at the tap 1 speed, the outdoor unit fan speed is
controlled according to the outdoor unit heat exchanger temperature (Tho-R1, R2).
Note (1) It is detected with Tho-R1 or R2, whichever the higher.
zone
5
Outdoor air temp. (˚C)
Note (1) In silent mode, the fan taps are shifted from "Tap 4" to "Tap 3" for all models.
Mode
Cooling/Dehumidifying
Heating
Cooling/Dehumidifying
Heating
zone zone zone
Tap 5 Tap 5
(1)
Tap 5 Tap 4
(1)
Tap 4 Tap 3
Tap 3 Tap 2
zone
zone
46 48
30 37
Outdoor air temp. (˚C)
zone zone zone
Tap 3 Tap 4
Tap 4 Tap 5
Tap 5 Tap 6
zone
zone
12 15
9
zone
10
Fan motor tap
speed speed speed
200 350 600
200 350 600
speed speed speed
(3)
200 370 560 (600)
(3)
200 370 560 (600)
• Model 200, 250
zone
Tap 4 zone
Tap 3 zone
Tap 2 zone
Tap 1 zone
zone
zone
20 30
Outdoor unit heat exchanger temp. (˚C)
• Model 200, 250
zone
zone Tap 3
zone Tap 3
zone Tap 4
zone
1
zone
-2 0
Outdoor unit heat exchanger temp. (˚C)
in the cooling/dehumidifying mode, it has elapsed 20
Retained
Outdoor unit fan speed
-10min -1
20
Outdoor unit heat exchanger temp. (˚C)
- 101 -
'11 • PAC-T-160
speed speed speed
740 820 870
740 820 870
speed speed speed
820 850 910
820 850 910
zone zone zone
Tap 5 Tap 5 Tap 5
Tap 5 Tap 5 Tap 4
(1)
Tap 4 Tap 4 Tap 3
Tap 3 Tap 3 Tap 2
zone
zone
43 53
33 40
zone zone
(1)
Tap 3 Tap 4
(1)
Tap 4 Tap 5
Tap 5 Tap 6
zone
3
Outdoor unit fan speed
+10min -1
30
-1
Unit: min
speed
(2)
910 (950)
(2)
910 (950)
speed
950
950
zone
Tap 4
(1)
Tap 3
Tap 2
Tap 1