Mitsubishi Heavy Industries FDT28KXE6A Service Manual page 28

4) Demand control
Demand ratio can be changed with the dip switches (SW4-5, SW4-6) on the outdoor control PCB.
SW4-5, SW4-6 demand switch: 0 - open, 1 - shorted
SW SW
400
4-5
4-6
14
54Hz × 2
0 0
1 0 78Hz × 1
0 1 54Hz × 1
1 1 OFF
SW SW
615
4-5 4-6
22
72Hz × 2
0 0
56Hz × 2
1 0
0 1 36Hz × 2
1 1 OFF
SW SW
850
4-5 4-6
30 (14+16)
58Hz × 4
0 0
42Hz × 4
1 0
58Hz × 2
0 1
1 1 OFF
Upper limit operation Hz of compressor
SW SW
1065
4-5 4-6
38 (18+20)
74Hz × 4
0 0
56Hz × 4
1 0
76Hz × 2
0 1
1 1 OFF
Upper limit operation Hz of compressor
SW SW
1235
4-5
4-6
44 (22+22)
72Hz × 4
0 0
1 0 56Hz × 4
0 1 36Hz × 4
1 1 OFF
5) This control has priority over the controls of 4-way valve safeguard, compressor protective start operation, defrost
operation, oil equalized operation and oil return operation.
Upper limit operation Hz of compressor
450
16
60Hz × 2 70Hz × 2
46Hz × 2 52Hz × 2
60Hz × 1 70Hz × 1
OFF
Upper limit operation Hz of compressor
680
24 26 (12+14)
80Hz × 2 50Hz × 4
60Hz × 2 74Hz × 2
40Hz × 2 50Hz × 2
OFF
Upper limit operation Hz of compressor
900
32 (16+16) 34 (16+18)
60Hz × 4 66Hz × 4
46Hz × 4 50Hz × 4
62Hz × 2 66Hz × 2
OFF
1130
40 (20+20) 42 (20+22)
80Hz × 4 84Hz × 4
60Hz × 4 64Hz × 4
78Hz × 2 42Hz × 4
OFF
1300
46 (22+24) 48 (24+24)
76Hz × 4 80Hz × 4
56Hz × 4 60Hz × 4
38Hz × 4 40Hz × 4
OFF
26
-
504 560
18 20
80Hz × 2
60Hz × 2
78Hz × 1
OFF OFF
735 800
28 (14+14)
54Hz × 4
78Hz × 2
50Hz × 2
OFF OFF
960 1010
36 (18+18)
70Hz × 4
52Hz × 4
70Hz × 2
OFF OFF
Compressor
1180
output (%)
80
60
40
OFF 0
Compressor
1360
output (%)
80
60
40
OFF 0
-
Compressor
output (%)
80
60
40
0
Compressor
output (%)
80
60
40
0
Compressor
output (%)
80
60
40
0