Metric Conversions; Device Descriptions - Trane CenTraVac CDHG Series Installation Manual

Water-cooled chiller
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General Information
NOTICE
Compressor Damage!
POE oil is hygroscopic – it absorbs water directly
from the air. This water is nearly impossible to
remove from the compressor oil and can result in
compressor failures.
To prevent POE oil from absorbing water, the
system should not remain open for longer than
necessary. When open, dry nitrogen should flow
through the piping. Only new oil containers should
be used for service and maintenance. Always use
the smallest container size required for the job
requirements. Always leave the oil container
tightly sealed until time of use. Do not reuse oil
that has been opened.
Change the compressor oil; the contractor should
assist a qualified Trane Technician with this
responsibility
Evacuate the chiller under 1000 microns; the contractor
should assist a qualified Trane Technician with this
responsibility
Recharge the chiller with dry nitrogen to 5 psig; the
contractor should assist a qualified Trane Technician
with this responsibility
Replace and/or repair insulation
Reconnect electrical connections
6
Spot paint the chiller if necessary

Metric Conversions

English
Metric
ft·lb x 1.3558
Newton·meter
lb x 0.4536
kg
in x 25.4000
mm

Device Descriptions

Device
Description
CPTF
Optional control power transformer (INDP units
only)
FRCL
Optional free cooling
HGBP
Optional hot gas bypass
INDP
Optional industrial control package
SMP
Optional supplemental motor protection (INDP
units only)
UAFD
Unit-mounted Adaptive Frequency™ drive
UATR
Unit-mounted medium-voltage auto transformer
UPIR
Unit-mounted medium-voltage primary reactor
UXL
Unit-mounted medium-voltage across-the-line
starter
USID
Unit-mounted low-voltage solid state starter
USTR
Unit-mounted low-voltage wye-delta starter
CVHE-SVN04R-EN

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