Appendix C - Unit Staging Tables - Carrier Weathermaster 48P030-100 Controls, Start-Up, Operation, Service, And Troubleshooting

Table R — Adaptive CV Staging Sequence
(Sizes 030,035)
STAGE
0
COMP
A1 OFF
B1 OFF OFF
UNIT
030 0% 36%
035 0% 38%
NOTE(S):
a. Minimum load valve.
Table S — VAV (with Digital Compressor) Staging
Sequence (Sizes 030,035)
STAGE
0
COMP
A1 a OFF
B1 OFF
UNIT
030 0%
035 0%
NOTE(S):
a. On units with optional digital scroll compressor, compressor A1 modulates from
minimum to maximum capacity to provide increased stages.
Table T — VAV and Adaptive CV Staging Sequence
with Minimum Load Valve (Size 040)
STAGE
0 1 a
COMP
A1 OFF ON
B1 OFF OFF
B2 OFF OFF
UNIT
040 0% 36%
NOTE(S):
a. Minimum load valve.
Table X — VAV (with Digital Compressor) Staging Sequence (Sizes 050-075)
STAGE
COMP
A1 a OFF
A2 OFF
B1 OFF
B2 OFF
UNIT
050
055
060
070
075
NOTE(S):
a. On units with optional digital scroll compressor, compressor A1 modulates from minimum to maximum capacity to provide increased stages.
APPENDIX C — UNIT STAGING TABLES
SEQUENCE
1 a 1
Compressor Status
ON ON
OFF
Capacity 48/50P
50% 100%
50% 100%
SEQUENCE
1 2
Compressor Status
ON ON
OFF ON
Capacity 48/50P
25% to 50% 75% to 100%
25% to 50% 75% to 100%
SEQUENCE
1 2
Compressor Status
ON ON
OFF ON
OFF OFF
Capacity 48/50P
47% 73%
0 1
ON
OFF
OFF
OFF
0% 12% to 23%
0% 13% to 25%
0% 13% to 25%
0% 11% to 23%
0% 13% to 25%
Table U — VAV Digital Compressor Staging
STAGE
2
COMP
ON A1 a
ON B1
B2
UNIT
040
NOTE(S):
a. On units with optional digital scroll compressor, compressor A1 modulates from
minimum to maximum capacity to provide increased stages.
Table V — VAV and Adaptive CV Staging Sequence
STAGE
COMP
A1 OFF
B1 OFF
B2 OFF
UNIT
040 0%
Table W — VAV and Adaptive Cv Staging
STAGE
COMP
A1
3
A2
B1
ON
B2
ON
UNIT
ON
050
055
100%
060
070
075
NOTE(S):
a. Minimum load valve.
SEQUENCE
2
Compressor Status
ON
OFF
ON
OFF
Capacity 48/50P
38% to 50%
38% to 50%
38% to 50%
34% to 46%
38% to 50%
219
Sequence (Size 040)
SEQUENCE
0 1
Compressor Status
OFF ON
OFF OFF
OFF OFF
Capacity 48/50P
0% 23% to 47% 50% to 73%
without Minimum Load Valve
(Size 040)
SEQUENCE
0 1 2
Compressor Status
OFF ON
ON OFF
OFF OFF
Capacity 48/50P
27% 47%
Sequence (Sizes 050-075)
SEQUENCE
0 1 a 1 2
Compressor Status
OFF ON ON ON
OFF OFF OFF OFF
OFF OFF OFF ON
OFF OFF OFF OFF
Capacity 48/50P
0% 15% 23% 50%
0% 17% 25% 50%
0% 18% 25% 50%
0% 16% 23% 46%
0% 19% 25% 50%
3
ON
ON
ON
OFF
62% to 73%
63% to 75%
63% to 75%
61% to 73%
63% to 75%
2 3
ON ON
ON ON
OFF ON
77% to 100%
3 4
ON ON
ON ON
OFF ON
73% 100%
3 4
ON ON
ON ON
ON ON
OFF ON
73% 100%
75% 100%
75% 100%
73% 100%
75% 100%
4
ON
ON
ON
ON
88% to 100%
88% to 100%
88% to 100%
89% to 100%
88% to 100%