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CVHE-SVU01E-EN
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WARNING
Hazardous Voltage w/
Capacitors!
Disconnect all electric power,
including remote disconnects before
servicing. Follow proper lockout/
tagout procedures to ensure the
power cannot be inadvertently
energized. For variable frequency
drives or other energy storing
components provided by Trane or
others, refer to the appropriate
manufacturer’s literature for
allowable waiting periods for
discharge of capacitors. Verify with
an appropriate voltmeter that all
capacitors have discharged. Failure
to disconnect power and discharge
capacitors before servicing could
result in death or serious injury.
Normal Chiller Operating Characteristics
Operating Characteristic Normal Reading
Approx. Evaporator Pressure (6 to 9 PSIA) (-9 to -6 PSIG)
Approx. Condenser Pressure (17 TO 27 PSIA) 2 to 12 PSIG
(Standard Condensers)
Oil Sump Temperature:
Unit Not Running 140°F to 145°F
(60°C to 63°C)
Unit Running 80°F to 162°F
(26.6°C to 72°C)
Differential Oil Pressure 18 to 22 psid
Notes:
1. Condenser pressure is dependent on condenser water temperature, and
should equal the saturation pressure of HCFC-123 at a temperature above
that of leaving condenser water at full load.
2. Normal pressure readings for ASME condensers exceed 12 PSIG.
3. Oil Tank Pressure 12” to 18” HG Discharge Oil Pressure 7 to 15 PSIG.
Periodic
Maintenance
Note: For additional information
regarding the safe discharge of
capacitors, see PROD-SVB06A-EN or
PROD-SVB06A-FR
Weekly Maintenance
[ ] Complete all recommended daily
maintenance procedures and checks.
Complete logs on a daily basis.
Every 3 Months
[ ] Complete all recommended
weekly maintenance procedures.
Refer to the previous sections for
details.
[ ] Clean all water strainers in the
CenTraVac water piping system.
Every 6 Months