7-7-7. Fan Operation Check in Outdoor Unit
This function is provided to check the fan operation of the outdoor unit by using switches on the interface P.C.
board in the outdoor unit. The fan speed can be controlled by setting of the switches. Use this function to check
the operation or abnormal sound in the fan system. And, use this function while the system is stopped.
NOTE) Do not use this function during operation of the compressor. It may damage the compressor.
Two fans move synchronously in two fan model (MMY-MUP14A1* to MUP2401*).
[Operation]
(1) Set the switches SW01/SW02/SW03 on the interface P.C. board of the outdoor unit to [2/1/4].
(2) When [F. d] is displayed in 7-segment display [A], keep pressing the switch SW04 for 2 seconds or more.
(3) When [ 63 ] is displayed in 7-segment display [B], the fan starts operation. (Max. mode operation)
(4) After that, by changing the setup number of the switches SW02 and SW03, 7-segment display [B] and the
fan mode are changed.
(Mode output pattern of the fan is as follows.)
[Clear]
This function is cleared by one of the following operations.
(1) When SW01 setting number was changed to other number.
(2) Press-switch SW05 was pressed for 2 seconds or more.
SW02 SW03 7-segment display [B] Fan mode
1
4
[ 63 ] 63
2 [ 62 ] 62
3 [ 61 ] 61
4 [ 60 ] 60
5 [ 59 ] 59
6 [ 58 ] 58
7 [ 57 ] 57
8 [ 56 ] 56
9 [ 55 ] 55
10 [ 54 ] 54
11 [ 53 ] 53
12 [ 52 ] 52
13 [ 51 ] 51
14 [ 50 ] 50
15 [ 49 ] 49
16 [ 48 ] 48
1
5
[ 47 ] 47
2 [ 46 ] 46
3 [ 45 ] 45
4 [ 44 ] 44
5 [ 43 ] 43
6 [ 42 ] 42
7 [ 41 ] 41
8 [ 40 ] 40
9 [ 39 ] 39
10 [ 38 ] 38
11 [ 37 ] 37
12 [ 36 ] 36
13 [ 35 ] 35
14 [ 34 ] 34
15 [ 33 ] 33
16 [ 32 ] 32
SW02 SW03 7-segment display [B] Fan mode
1
6
[ 31 ] 31
2 [ 30 ] 30
3 [ 29 ] 29
4 [ 28 ] 28
5 [ 27 ] 27
6 [ 26 ] 26
7 [ 25 ] 25
8 [ 24 ] 24
9 [ 23 ] 23
10 [ 22 ] 22
11 [ 21 ] 21
12 [ 20 ] 20
13 [ 19 ] 19
14 [ 18 ] 18
15 [ 17 ] 17
16 [ 16 ] 16
1
7
[ 15 ] 15
2 [ 14 ] 14
3 [ 13 ] 13
4 [ 12 ] 12
5 [ 11 ] 11
6 [ 10 ] 10
7 [ 9 ] 9
8 [ 8 ] 8
9 [ 7 ] 7
10 [ 6 ] 6
11 [ 5 ] 5
12 [ 4 ] 4
13 [ 3 ] 3
14 [ 2 ] 2
15 [ 1 ] 1
16 [ 0 ] 0
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