Compressor Step Control - Daikin REYQ-TA Series Service Manual

SiUS371614E
5.4

Compressor Step Control

Compressor operations vary with the following steps according to information in Compressor PI Control on page 64.
Furthermore, the operating priority of compressors is subject to information in Operation Priority and Rotation of
Compressors on page 64.
Single unit installation
REYQ72TA
Step No. Hz Step No.
1 60.0
2 60.9
3 61.8
4 62.7
5 63.6
6 64.5
7 65.4
8 66.3
9 67.2
10 68.1
11 69.0
12 69.9
13 70.8
14 71.7
15 72.6
16 73.5
17 74.4
18 75.3
19 76.2
20 77.1
21 78.0
22 78.9
23 79.8
24 80.7
25 81.6
26 82.5
27 83.4
28 84.3
29 85.5
30 86.7
31 87.9
32 89.1
33 90.3
34 91.5
35 92.7
36 93.9
37 95.1
38 96.3
39 97.5
40 98.7
41 99.9
42 101.1
43 102.3
44 103.5
45 104.7
46 105.9
47 107.1
48 108.3
49 109.8
50 111.3
51 112.8
52 114.3
53 115.8
54 117.3
55 118.8
56 120.3
57 121.8
58 123.3
59 124.8
60 126.3
Note:
1. Depending on the operating conditions of compressors, the compressors may run in patterns other
than those aforementioned.
Functions and Control
Hz Step No.
61 127.8 121
62 129.3 122
63 130.8 123
64 132.3 124
65 134.1 125
66 135.9 126
67 137.7 127
68 139.5 128
69 141.3 129
70 143.1 130
71 144.9 131
72 146.7 132
73 148.5 133
74 150.3 134
75 152.1 135
76 153.9 136
77 155.7 137
78 157.8 138
79 159.9 139
80 162.0 140
81 164.1 141
82 166.2 142
83 168.3 143
84 170.4 144
85 172.5 145
86 174.6 146
87 176.7 147
88 178.8
89 180.9
90 183.3
91 185.7
92 188.1
93 190.5
94 192.9
95 195.3
96 197.7
97 200.1
98 202.5
99 204.9
100 207.6
101 210.3
102 213.0
103 215.7
104 218.4
105 221.1
106 223.8
107 226.5
108 229.2
109 232.2
110 235.2
111 238.2
112 241.2
113 244.2
114 247.2
115 250.2
116 253.2
117 256.5
118 259.8
119 263.1
120 266.4
Hz
269.7
273.0
276.3
279.9
283.5
287.1
290.7
294.3
309.3
313.2
321.0
324.9
329.1
333.3
337.5
341.7
345.9
350.4
354.9
359.4
363.9
368.4
372.9
377.7
382.5
387.3
392.1 REYQ72TA upper limit
Basic Control
66