Compressor Step Control - Daikin VRV RXYQ72-384XAYCA Service Manual

SiUS342004EB
5.4

Compressor Step Control

The compressor operation varies in the following steps according to information in Compressor PI Control on page 88.
Furthermore, the operating priority of compressors is subject to information in Operating Priority and Rotation of
Compressors on page 89.
Single unit installation
RXYQ72-120XA, RXYQ72-120XB
Step No. rps Step No.
1 15.0
2 15.2
3 15.4
4 15.6
5 15.9
6 16.2
7 16.5
8 16.8
9 17.1
10 17.4
11 17.7
12 18.0
13 18.3
14 18.6
15 19.0
16 19.4
17 19.8
18 20.1
19 20.5
20 20.7
21 21.0
22 21.3
23 21.6
24 21.9
25 22.2
26 22.5
27 22.9
28 23.2
29 23.5
30 23.8
31 24.2
32 24.5
33 24.9
34 25.2
35 25.5
36 25.9
37 26.3
38 26.6
39 27.0
40 27.4 100
41 27.8 101
42 28.1 102
43 28.5 103
44 29.0 104
45 29.4 105
46 29.8 106
47 30.2 107
48 30.6 108
49 31.0 109
50 31.5 110
51 31.9 111
52 32.4 112
53 32.8 113
54 33.3 114
55 33.8 115
56 34.2 116
57 34.7 117
58 35.2 118
59 35.7 119
60 36.2 120
Note(s)
1. Depending on the operating conditions of compressors, the compressors may run in patterns
Part 4 Functions and Control
rps Step No.
61 36.7 121
62 37.2 122
63 37.7 123
64 38.3 124
65 38.8 125
66 39.3 126
67 39.9 127
68 40.5 128
69 41.0 129
70 41.6 130
71 42.2 131
72 42.8 132
73 43.4 133
74 44.0 134
75 44.6 135
76 45.2 136
77 45.8 137
78 46.5 138
79 47.1 139
80 47.8 140
81 48.5 141
82 49.1 142
83 49.8 143
84 50.5 144
85 51.1 145
86 52.0 146
87 52.7 147
88 53.4 148
89 54.2 149
90 54.9 150
91 55.7 151
92 56.5 152
93 57.3 153
94 58.1 154
95 58.9 155
96 59.7 156
97 60.5 157
98 61.4 158
99 62.3
63.4
64.0
64.9
65.6
66.6
67.7
68.6
69.6
70.6
71.6
72.6
73.6
74.6
75.7
76.7
77.8
78.9
80.0
81.1
82.2
83.4
other than those aforementioned.
rps
84.5
85.7
86.9
88.1
89.4
90.6
91.9
93.2
94.5
95.8
97.2
98.5
99.9
101.3 72 class upper limit
102.7
104.2
105.6
107.1
108.4
110.1
111.7
113.2
114.8
116.4
118.0
119.7 96 class upper limit
121.4
123.1
124.8
126.5
128.3
130.1
132.0
133.8
135.7
137.6
139.5
140.0 120 class upper limit
Basic Control
90