Mitsubishi Heavy Industries FDE112KXE6A, Руководство по обслуживанию

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(5) Outdoor fan control (Master unit/slave unit)
(a) DC fan motor control
The outdoor fan is controlled from 0th speed to 4th speed, and set the standard speed according to the model and operation
mode.
Under normal condition, 1st speed and 4th speed is standard, and under each condition the stepless fan control between 1st
speed and 4th speed is performed.
(b) Outdoor fan speed and fan motor rotation speed
(c) At the unit startup, outdoor fan is operated at 4th speed.
(d) DC fan motor startup control
① When the outdoor fan starts after stopping, the startup fan control is performed by checking the fan speed.
② If the rotating direction of the stopping fan, either FMo1 or FMo2, is reverse and its speed is 700min -1 or higher, the
both fans cannot be started.
③ If the rotating direction of the stopping fans, both FMo1 and FMo2, are reverse but its speed is less than 700min
-1
for
3 seconds continuously, the fan can be started.
④ During the period of 5 seconds after 52C1 is turned ON, the outdoor DC fan is prohibited to start.
Fan tap
FDC335, 400
Cooling
FM
O
1
0th speed
1st speed
2nd speed
3rd speed
4th speed
0
0
0
160
960
FM
O
2
0
160
400
160
960
FM
O
1
0
0
0
160
960
FM
O
2
0
160
400
160
960
Heating
FDC450
Cooling
FM
O
1
0
0
0
160
1080
FM
O
2
0
160
400
160
1080
FM
O
1
0
0
0
160
1080
FM
O
2
0
160
400
160
1080
Stop
1-unit operation min. speed
1-unit operation max. speed
2-unit operation min. speed
2-unit operation max. speed
Heating Remarks
Unit: min
-1
Fan tap
0th speed
1st speed
2nd speed
3rd speed
4th speed
FDC504
〜
680
Cooling
FM
O
1
0
0
0
160
1140
FM
O
2
0
160
400
160
1140
FM
O
1
0
0
0
160
1140
FM
O
2
0
160
400
160
1140
Stop
1-unit operation min. speed
1-unit operation max. speed
2-unit operation min. speed
2-unit operation max. speed
Heating Remarks
Unit: min
-1