Start-Up and Shutdown
62
RTHD-SVX01K-EN
Satisfied Setpoint
The Satisfied Setpoint diagram shows the normal transition from Running to shutting down due to the Evap Leaving water
temp falling below the differential to stop setpoint.
Figure 32.
Sequence of events: satisfied setpoint
Running
Auto
Preparing to Shutdown
Energize Unload
Solenoid
Shutting Down
Enforce All Running Mode Diagnostics
De-Energize
Compressor
De-Energize Condenser
Water Pump Relay
Energize Unload Solenoid
(40 Seconds)
Confirm No Compressor Currents
Within 0
-
30 Seconds
Satisfied Setpoint
Open EXV
Open EXV
(0-20 Seconds)
De-Energize Primary Oil
Line Solenoid Valve
Continue to Energize Unload
Solenoid for 60 Mins
Energize Oil He ater
Shutting Down
Close EX V
Close EX V
(20 Seconds)
Pre-Position EX V
to 38% Open for
Next Start
Содержание Optimus RTHD
Страница 27: ...Installation Mechanical RTHD SVX01K EN 27...
Страница 28: ...Installation Mechanical 28 RTHD SVX01K EN...
Страница 29: ...Installation Mechanical RTHD SVX01K EN 29...
Страница 54: ...Controls 54 RTHD SVX01K EN Figure 23 Tracer TU...
Страница 88: ...Log and Check Sheets 88 RTHD SVX01K EN Page Left Intentionally Blank...
Страница 95: ...Notes RTAF SVX001K EN 95...