228
*Minimum load valve (MLV). MLV is enabled on Circuit A when decreas-
ing from stage 1 to stage 0 to provide an increased stage of capacity.
APPENDIX C
—
UNIT STAGING TABLES
TIME SCHEDULE CONFIG TABLE
Allowable Entries: Day not selected = 0 Day selected = 1
DAY FLAGS
MTWTFSSH
OCCUPIED
TIME
UNOCCUPIED
TIME
Period 1:
00000000
00:00
00:00
Period 2:
00000000
00:00
00:00
Period 3:
00000000
00:00
00:00
Period 4:
00000000
00:00
00:00
Period 5:
00000000
00:00
00:00
Period 6:
00000000
00:00
00:00
Period 7:
00000000
00:00
00:00
Period 8:
00000000
00:00
00:00
UNIT SIZE N STAGING SEQUENCE WITH MLV (75 TON NOMINAL CAPACITY)
STAGE
SEQUENCE
0
1*
1
2
3
4
5
COMP
Compressor Status
A1
OFF
ON
ON
ON
ON
ON
ON
A2
OFF
OFF
OFF
OFF
ON
ON
ON
B1
OFF
OFF
OFF
ON
ON
ON
ON
B2
OFF
OFF
OFF
OFF
OFF
ON
ON
B3
OFF
OFF
OFF
OFF
OFF
OFF
ON
UNIT
Total Capacity
075
0%
18%
23%
41%
65%
82%
100%
UNIT SIZE N STAGING SEQUENCE WITH DIGITAL COMPRESSOR (75 TON NOMINAL CAPACITY)
STAGE
SEQUENCE
0
1
2
3
4
5
COMP
Compressor Status
A1
OFF
ON
ON
ON
ON
ON
A2
OFF
OFF
OFF
ON
ON
ON
B1
OFF
OFF
ON
ON
ON
ON
B2
OFF
OFF
OFF
OFF
ON
ON
B3
OFF
OFF
OFF
OFF
OFF
ON
UNIT
Total Capacity
075
0%
12% to 23%
29% to 41%
53% to 65%
71% to 82%
88% to 100%
UNIT SIZE N STAGING SEQUENCE WITHOUT MLV (75 TON NOMINAL CAPACITY)
STAGE
SEQUENCE
0
1
2
3
4
5
6
COMP
Compressor Status
A1
OFF
OFF
ON
ON
ON
ON
ON
A2
OFF
OFF
OFF
OFF
ON
ON
ON
B1
OFF
ON
OFF
ON
ON
ON
ON
B2
OFF
OFF
OFF
OFF
OFF
ON
ON
B3
OFF
OFF
OFF
OFF
OFF
OFF
ON
UNIT
Total Capacity
075
0%
18%
23%
41%
65%
82%
100%
Содержание WeatherExpert 48N2
Страница 135: ...135 Fig 18 48 50N Typical Power Schematic Nominal 075 Ton Unit Shown ...
Страница 136: ...136 Fig 19 48 50N Typical Power Schematic Nominal Ton 90 150 Units Shown ...
Страница 137: ...137 Fig 20 48 50N Main Base Board Input Output Connections ...
Страница 138: ...138 Fig 21 48 50N RXB EXB CEM Input Output Connections a48 9307 ...
Страница 139: ...139 Fig 22 48 50N EXV SCB Input Output Connections a48 9308 ...
Страница 140: ...140 Fig 23 48N Typical Modulating Gas Heat Unit Control Wiring ...
Страница 141: ...141 Fig 24 50N Typical Electric Heat Unit Control Wiring ...
Страница 144: ...144 Fig 27 48N Typical Gas Heat Section Wiring Nominal Ton 120 to 150 Units ...
Страница 145: ...145 Fig 28 48 50N Typical Power Component Control Wiring 460 v ...
Страница 146: ...146 Fig 29 48 50N Component Control Wiring 575 v Nominal Ton 075 to 150 Units ...
Страница 147: ...147 Fig 30 48 50N Component Arrangement Power Box ...
Страница 148: ...148 Fig 31 48 50N Component Arrangement Control Box ...
Страница 168: ...168 Fig 47 Sensor and Ignition Position Fig 48 Combustion Blower Details SENSOR DETAILS IGNITION DETAILS ...
Страница 240: ...240 APPENDIX D VFD INFORMATION CONT Fig G VFD Bypass Wiring Diagram WHEN USED ...