126 RTHD-SVX01D-EN
Unit Shutdown
Seasonal Unit Shutdown
1. Perform the normal unit stop sequence using the <Stop> key.
NOTE: Do not open the starter disconnect switch. This must remain closed
to provide control power from the control power transformer to the oil sump
heater.
2. Verify that the chilled water and condenser water pumps are cycled off. If
desired, open the disconnect switches to the pumps.
3. Drain the condenser piping and cooling tower, if desired.
4. Remove the drain and vent plugs from the condenser headers to drain
the condenser.
5. Verify that the Crank Case heater is working.
6. Once the unit is secured, perform the maintenance identified in the fol-
lowing sections.
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