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CTV-PRC007-EN
Standard Features
The following features are provided as
standard with all Trane CenTraVac
™
chillers:
•
Motor-compressor assembly with
integral lubrication system.
•
Evaporator condenser assembly.
•
Two-stage economizer assembly on
CVHE/CVHG style units (single-stage on
CVHF style units).
•
Prewired instrument and control panel.
•
Oil and refrigerant charge.
•
Oil heater.
•
Isolation pads
•
Wiring and conduit for purge and oil
system interconnection to the main
control panel.
•
Installation, operation, and
maintenance instructions.
•
Start-up and operator instruction
service.
•
Advanced motor protection.
CenTraVac Motor
The motor provided in the Trane
CenTraVac chiller is a specially designed
squirrel cage, two pole induction motor
suitable for 50 and 60 hertz, three-phase
current.
Trane CenTraVac motors are cooled by
liquid refrigerant surrounding the motor
windings and rotor. Use of liquid
refrigerant results in uniform low
temperatures throughout the motor,
thereby promoting long motor life.
Refrigerant/Oil Pump Motor
The oil pump motor is a 120 volt,
50/60 hertz,
3
/4 hp, 1 phase motor with
protective fusing and panel mounted
contactor.
Purge
The purge unit motor is a 120 volt,
50/60 hertz,
3
/4 hp, 1 phase motor with
integral overload protection and panel
mounted contactor.
The use of an air-cooled condensing unit
obtains separation temperatures in the
purge drum as low as 0°F. Normal
operating efficiency does not exceed
0.002 lbs. of refrigerant lost per pound of
dry air removed. The purge system can
be operated at any time, independent of
chiller operation.
Optional Features
Trane offers a selection of optional
features to either complete the basic
chiller installation or to allow
modification for special purpose
applications.
•
Medium voltage (over 600 volts)
hermetic compressor motor
construction.
•
Complete line of compressor motor
starters.
•
Unit mounted starter accessory on low
voltage units up to an RLA of
1080 amps.
•
Marine waterboxes for evaporators
and condensers
•
High pressure (300 psig working
pressure) water side construction.
•
Free cooling.
•
Heat recovery or auxiliary condensers.
•
Smooth bore tubing.
•
Factory-applied thermal insulation
•
One-inch deflection spring isolators for
vibration-sensitive installations.
•
Building automation systems (BAS)
interface
•
Variable speed drives
•
Internally enhanced tubes
•
Various tube wall thicknesses
•
UL Label
•
Three pass evaporator/one pass
evaporator
•
Special construction to facilitate chiller
disassembly at the job
•
CuNi Tubes
•
Special paint and controls for outdoor
use or corrosive environments
•
Unit mounted refrigerator monitor
Features and
Benefits
Standard
and Optional
Features