CDHH-SVX003C-EN
103
Recommended Maintenance
WARNING
Hazardous Voltage w/Capacitors!
Failure to disconnect power and discharge capacitors
before servicing could result in death or serious
injury.
Disconnect all electric power, including remote
disconnects and discharge all motor start/run
capacitors 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 a CAT III or IV
voltmeter rated per NFPA 70E that all capacitors have
discharged.
Note: Graphic labels (shown above) are used for CE
application only.
Important:
• Before servicing, disconnect all power
sources and allow at least 30 minutes for
capacitors to discharge.
• All electrical enclosures—unit or remote—
are IP2X.
NOTICE
Check Purge Run-Time for Unit
Hermetic Integrity!
Failure to follow instructions below could result in
chiller damage.
If frequent purging is required, monitor purge
pumpout rate, and identify and correct source of air or
water leak as soon as possible to prevent moisture
contamination caused by leakage.
NOTICE
Do Not Use Non-Compatible Parts or
Materials!
Use of non-compatible parts or materials could result
in equipment damage.
Only genuine Trane® replacement components with
identical Trane part numbers should be used in Trane
CenTraVac chillers. Trane assumes no responsibility
for damages resulting from the use of non-compatible
parts or materials.
This section describes the basic chiller preventive
maintenance procedures, and recommends the intervals at
which these procedures should be performed. Use of a
periodic maintenance program is important to ensure the
best possible performance and efficiency from a
CenTraVac™ chiller.
Note: Due to the pressure vessel codes applied to CDHH
CenTraVac™ chillers, the bolts used for both the
economizer sump cover and the oil tank cover are
specified for both ASME and PED application
(SCREW, METRIC CAP-M16 x 70 mm with FULL
THREAD), HEAVY HEXAGON HEAD - ASME SA-
193M GRADE B7, ZINC PLATED.
Do not substitute! Contact your local Trane
representative for replacement bolts.
This chiller utilizes Refrigerant Grade R-1233zd. Contact
your local Trane Service Agency for proper refrigerant:
• Refrigerant MUST conform to Trane specification.
• Confirm refrigerant supplied is Solstice ZD R-1233zd
Refrigerant Grade.
• Confirm every container in shipment has the marking
"Solstice ZD” clearly displayed on the vessel.
• Verify Certificate of Analysis with each tank in
shipment.
Record Keeping Forms
An important aspect of the chiller maintenance program is
the regular completion of records. Refer to “Appendix A:
Forms and Check Sheets,” p. 115 for copies of the
recommended forms. When filled out accurately by the
machine operator, the completed logs can be reviewed to
identify any developing trends in the chiller’s operating
conditions. For example, if the machine operator notices a
gradual increase in condensing pressure during a month’s
time, she can systematically check and then correct the
possible cause of this condition.
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