CVGF-SVU02B-E4
76
Unit Shutdown
Unit Shutdown Procedures
Daily Unit Shutdown
Note:
Refer to Start-Run
Shutdown sequence (Figure 9).
1. Press <STOP>.
2. After compressor and water
pumps shutdown turn Pump
Contactors to OFF or open
pump disconnects.
Seasonal Unit Shutdown
CAUTION
Refrigerant in Oil Pump
Damage may occur
The control power disconnect
must remain closed to allow oil
sump heater operation. Failure to
do this will allow refrigerant to
condense in the oil pump.
3. Open all disconnect switches
except the control power
disconnect switch.
4. Drain the condenser piping
and cooling tower, if used.
5. To drain the condenser,
remove the drain and vent
plugs from the condenser
headers.
6. Once the unit is secured for
winter, the maintenance
procedures described under
“Annual Maintenance” in the
Periodic Maintenance section
of this manual should be
performed by authorized
Trane service technicians.
WARNING
Refrigerant Discharge
Hazard!
DO NOT ALLOW CHILLER TO
INCREASE IN TEMPERATURE OR
PRESSURE WHILE THE UNIT IS
OFF.
Continuous running of pumps
while the chiller is off can increase
the temperature or pressure and
will result in premature release of
refrigerant causing bodily harm
and possible death to anyone in
contact with refrigerant discharge
Unit
Shutdown
Summary of Contents for CVGF 1000
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