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S S t t a a r r t t - - u u p p a a n n d d S S h h u u t t - - d d o o w w n n
Immediate Shutdown to Stopped or Run
Inhibit
The following figure shows the transition from running
through an immediate shutdown. The dashed lines on
Figure 40. Sequence of events: immediate shutdown to stopped or run inhibit
Immediate Shut-down Non-Latching Diagnostic
Immediate Shut-down Latching Diagnostic
Immediate Stop
Running
MBC Levitation Will Stop When RPM < 1200 for 60 Seconds
De-Energize
Compressor
No Evap Pump Off Delay
for Immediate Shutdown
De-Energize
Cond Water Pump
Close Economizer EXV
Close Motor Cooling
Valve
Close Drive Cooling
Valve
56
Shutting Down
Close IGV (0 to 50 Seconds)
De-Energize Evap
Water Pump Relay
the top indicate the final mode if the stop is entered via
various inputs.
Stopped
De-Levitate Magnetic
Bearings
Close MBC Valve
Close Evaporator EXV
Run Inhibit
Stopped
Run Inhibit
or
Stopped
HDWA-SVX001D-EN
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