Emerson Vilter VilTech Operation And Service Manual page 5

Capacity Control .................................................................................................................................................................. 43
Manual Capacity Control ..................................................................................................................................................... 43
Automatic Capacity Control ................................................................................................................................................ 43
Control Groups .................................................................................................................................................................... 44
Cut-Out Setpoint .................................................................................................................................................................. 44
Cut-In Setpoint .................................................................................................................................................................... 44
Control Setpoint ................................................................................................................................................................... 44
Low Alarm/Failure Setpoints ................................................................................................................................................ 44
Time Proportional Control Strategy ..................................................................................................................................... 44
Control Deadband ................................................................................................................................................................ 44
Normal Bandwidth ............................................................................................................................................................... 44
Normal Stage Delay . ............................................................................................................................................................ 44
Fast Stage Delay - ................................................................................................................................................................ 44
Difference Above Setpoint .................................................................................................................................................. 45
Load Bandwidth ................................................................................................................................................................... 45
Unload Bandwidth ............................................................................................................................................................... 45
Difference Below Setpoint ................................................................................................................................................... 45
Remote Capacity Control ..................................................................................................................................................... 45
Auto-Remote Capacity Control ............................................................................................................................................ 45
Sequenced Capacity Control ............................................................................................................................................... 46
Low Alarm and Failure Setpoints ......................................................................................................................................... 46
Running in Trim Mode ......................................................................................................................................................... 46
Running in Full Load Mode ................................................................................................................................................. 47
Anti-Cycle in Sequenced Mode ........................................................................................................................................... 47
Forced Unloading & Limiting ............................................................................................................................................... 47
Ramp Start ............................................................................................................................................................................ 47
Capacity Ramp Start Limiting ............................................................................................................................................... 48
Staging Setup ....................................................................................................................................................................... 49
Minimum Capacity ............................................................................................................................................................... 49
Setpoint Scheduling ............................................................................................................................................................. 50
Daily Schedules .................................................................................................................................................................. 50
Weekly Schedule ................................................................................................................................................................. 50
Oil Pressure Computation ................................................................................................................................................... 50
Oil Temperature Regulation .................................................................................................................................................. 50
Anti-Cycle Timer .................................................................................................................................................................. 51
Power Fail Restart ................................................................................................................................................................ 51
Process Temperature Control (Option) ................................................................................................................................ 51
Two Stage Configuration (Option) ....................................................................................................................................... 51
Operational Procedures ........................................................................................................................................................ 52
Status Screens ..................................................................................................................................................................... 54
Compressor Main Status Screen .......................................................................................................................................... 54
Status Banner ....................................................................................................................................................................... 55
Current System State ........................................................................................................................................................... 56
CURRENT STATE DESCRIPTION ....................................................................................................................................... 56
Mode Area ........................................................................................................................................................................... 56
MODE DESCRIPTION ......................................................................................................................................................... 56
Alarm & Failure Area ........................................................................................................................................................... 57
ALARM SYSTEMS STATUS .............................................................................................................................................. 57
MESSAGE ............................................................................................................................................................................ 57
Operating Hours Screen ....................................................................................................................................................... 57
TERM DEFINITION ............................................................................................................................................................. 57
Active Alarms & Failures Status Screen .............................................................................................................................. 58
Active Alarms & Failures Status Screen Definitions ........................................................................................................... 58
Active Alarms & Failures Status Screen .............................................................................................................................. 58
Auto-Start Warning Screen .................................................................................................................................................. 59
5