Mitsubishi Heavy Industries SRK100VNXWZRF Service Manual page 20

(4) Outdoor fan control
(a) Outdoor fan tap and fan motor speed
Model
FDC100 Cooling/Dehumidifying
(b) Fan tap control during cooling/defumidifying operation
Fan taps are selected depending on the outdoor heat exchanger temperature (Tho-R1, R2) and the outdoor air temperature (Tho-A).
Note It is detected by Tho-R1 or R2, whichever the higher.
zone
zone Tap 5
zone Tap 5
zone Tap 4
zone Tap 3
zone
zone
15 18
Outdoor air temperature (˚C)
(c) Fan tap control during heating operation
Fan taps are selected depending on the outdoor heat exchanger temperature (Tho-R1, R2) and the outdoor air temperature (Tho-A).
Note It is detected by Tho-R1 or R2, whichever the lower.
zone
zone Tap 3
zone Tap 3
zone Tap 3
zone Tap 4
zone Tap 5
zone
zone
3 6
Outdoor air temperature (˚C)
(d) Outdoor fan control at cooling low outdoor air temperature
The outdoor heat exchanger temperature is detected always and, when the number of revolutions of the outdoor fan
speed has been increased or decreased, there is no change of fan speed for 20 seconds.
Mode
①
200
Heating 200
zone zone
Tap 5 Tap 5
Tap 5 Tap 4
Tap 4 Tap 3
Tap 3 Tap 2
zone
zone
46 48
32 34
zone zone
Tap 3 Tap 4
Tap 3 Tap 4
Tap 4 Tap 5
Tap 5 Tap 6
Tap 6 Tap 7
zone
12 15
Fan motor tap
speed speed speed
② ③
370 560
370 560
• Silent mode only
zone
Tap 4 zone Tap 5
Tap 3 zone Tap 5
Tap 2 zone Tap 4
Tap 1 zone Tap 3
zone
zone
20 30
Outdoor heat exchanger temperature (˚C)
• Silent mode only
zone Tap 3
zone Tap 3
zone Tap 3
zone Tap 4
zone Tap 4
zone
zone
1 3
zone
-2 0
Outdoor heat exchanger temperature (˚C)
19
- -
'22 • PAC-SM-422
speed speed speed
④ ⑤ ⑥
640 745 870
650 830 870
zone zone zone
Tap 5 Tap 5
Tap 4 Tap 3
Tap 3 Tap 3
Tap 3 Tap 2
zone
zone
53
33 43
zone zone zone
Tap 3 Tap 3
Tap 3 Tap 3
Tap 3 Tap 5
Tap 5 Tap 6
Tap 5 Tap 6
zone
zone
11 14
5 8
Unit: min -1
speed
⑦
910
910
zone
Tap 4
Tap 3
Tap 2
Tap 1