Carrier WEATHERMAKER 48/50AJ User Manual
Page 45
45
Table 57 — Staging Sequence without Hot Gas Bypass —
48/50A3,A5020-027 and Multi-Stage 48/50A2,A4020-027
Table 58 — Staging Sequence with Hot Gas Bypass —
48/50A3,A5020-027 and Multi-Stage 48/50A2,A4020-027
*With Minimum Load Valve ON.
Table 59 — Staging Sequence without Hot Gas Bypass —
48/50A3,A5030-060 and Multi-Stage 48/50A2,A4030-060
Table 60 — Staging Sequence with Hot Gas Bypass — 48/50A3,A5030-060
*With minimum load valve ON.
STAGE
SEQUENCE 1
SEQUENCE 2
0
1
2
3
0
1
2
3
COMP
Compressor Status
Compressor Status
A1
OFF
ON
ON
ON
OFF
OFF
OFF
ON
A2
OFF
OFF
OFF
ON
OFF
ON
ON
ON
B1
OFF
OFF
ON
ON
OFF
OFF
ON
ON
UNIT
Unit Capacity 48/50A
Unit Capacity 48/50A
020
0%
30%
70%
100%
0%
30%
70%
100%
025
0%
33%
67%
100%
0%
33%
67%
100%
027
0%
33%
67%
100%
0%
33%
67%
100%
STAGE
SEQUENCE 1
SEQUENCE 2
0
1
2
3
4
0
1
2
3
4
COMP
Compressor Status
Compressor Status
A1
OFF
ON*
ON
ON
ON
OFF
OFF
OFF
OFF
ON
A2
OFF
OFF
OFF
OFF
ON
OFF
ON*
ON
ON
ON
B1
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
ON
ON
UNIT
Unit Capacity 48/50A
Unit Capacity 48/50A
020
0%
10%
30%
70%
100%
0%
10%
30%
70%
100%
025
0%
17%
33%
67%
100%
0%
17%
33%
67%
100%
027
0%
17%
33%
67%
100%
0%
17%
33%
67%
100%
STAGE
SEQUENCE 1
SEQUENCE 2
0
1
2
3
4
0
1
2
3
4
COMP
Compressor Status
Compressor Status
A1
OFF
ON
ON
ON
ON
OFF
OFF
ON
OFF
ON
A2
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
ON
ON
B1
OFF
OFF
ON
ON
ON
OFF
OFF
ON
ON
ON
B2
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
UNIT
Unit Capacity 48/50A
Unit Capacity 48/50A
030
0%
25%
50%
75%
100%
0%
25%
50%
75%
100%
035
0%
20%
50%
80%
100%
0%
20%
50%
70%
100%
040
0%
25%
50%
75%
100%
0%
25%
50%
75%
100%
050
0%
25%
50%
75%
100%
0%
25%
50%
75%
100%
060
0%
25%
50%
75%
100%
0%
25%
50%
75%
100%
STAGE
SEQUENCE 1
SEQUENCE 2
0
1
2
3
4
5
0
1
2
3
4
5
COMP
Compressor Status
Compressor Status
A1
OFF
ON*
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
ON
A2
OFF
OFF
OFF
OFF
ON
ON
OFF
ON*
ON
ON
ON
ON
B1
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
B2
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
ON
UNIT
Unit Capacity 48/50A
Unit Capacity 48/50A
030
0%
10%
25%
50%
75%
100%
0%
10%
25%
50%
75%
100%
035
0%
7%
20%
50%
80%
100%
0%
7%
20%
50%
70%
100%
040
0%
14%
25%
50%
75%
100%
0%
14%
25%
50%
75%
100%
050
0%
16%
25%
50%
75%
100%
0%
16%
25%
50%
75%
100%
060
0%
18%
25%
50%
75%
100%
0%
18%
25%
50%
75%
100%