Sterling AquaSnap 30RA010-055 - Manual (Page 19)

19
Table 7 — Part Load Data Percent Displacement, Standard Units with Minimum Load Valve
*Minimum Load Valve energized.
NOTE: These capacity steps may vary due to different capacity
staging sequences.
30RA UNIT SIZE
CONTROL
STEPS
LOADING SEQ A LOADING SEQ B
% Displacement Compressor % Displacement Compressor
010 (50/60 Hz)
1
2 69/ 71
100/100
A1*
A1
—
— —
—
015 (60 Hz)
1
2 79
100
A1*
A1
—
— —
—
015 (50 Hz)
1
2
3 28
50
100
A1*
A1
A1,A2
—
—
— —
—
—
018 (50/60 Hz)
1
2
3 32/ 31
50/ 50
100/100
A1*
A1
A1,A2
—
—
— —
—
—
022 (50/60 Hz)
1
2
3 27/ 35
42/ 50
100/100
A1*
A1
A1,A2
—
—
— —
—
—
025 (50/60 Hz)
1
2
3 38/ 37
50/ 50
100/100
A1*
A1
A1,A2
—
—
— —
—
—
030
1
2
3 39
50
100
A1*
A1
A1,A2
—
—
— —
—
—
032
1
2
3
4 15
25
60
100
A1*
A1
A1,A2
A1,A2,B1
30
40
65
100
B1*
B1
A1,B1
A1,A2,B1
035 (50/60 Hz)
1
2
3
4 16/25
25/33
60/67
100
A1*
A1
A1,A2
A1,A2,B1
32/25
40/33
65/67
100
B1*
B1
A1,B1
A1,A2,B1
040
1
2
3
4 24
32
63
100
A1*
A1
A1,A2
A1,A2,B1
29
37
68
100
B1*
B1
A1,B1
A1,A2,B1
042
1
2
3
4
5 18
25
50
75
100
A1*
A1
A1,B1
A1,A2,B1
A1,A2,B1,B2
18
25
50
75
100
B1*
B1
A1,B1
A1,B1,B2
A1,A2,B1,B2
045 (60 Hz)
1
2
3
4
5 15
22
44
72
100
A1*
A1
A1,B1
A1,A2,B1
A1,A2,B1,B2
15
22
44
72
100
B1*
B1
A1,B1
A1,B1,B2
A1,A2,B1,B2
045 (50 Hz), 050
1
2
3
4
5 19
25
50
77
100
A1*
A1
A1,B1
A1,A2,B1
A1,A2,B1,B2
19
25
50
77
100
B1*
B1
A1,B1
A1,B1,B2
A1,A2,B1,B2
055
1
2
3
4
5 20
25
50
75
100
A1*
A1
A1,B1
A1,A2,B1
A1,A2,B1,B2
20
25
50
75
100
B1*
B1
A1,B1
A1,B1,B2
A1,A2,B1,B2