Trane CVGF manual Features and Benefits, Optional Features, Applications, Patents, Orifice System

Features and Benefits

Standard CVGF Features

The following features are provided as standard with all Trane Model CVGFchillers:

•Hermetic two-stage centrifugal compressor-motor assembly with integral lubrication system and economizer cycle

•Evaporator and condenser assembly

•Prewired instrument and control panel

•Oil charge

•Integral oil heaters

•Isolation pads

•Wiring and oil system interconnection to main control panel

•Advance motor protection

•Two-stage gear drive with economized cycle for high effi ciency and high reliability

•Liquid cooled hermetic induction motor; the motor operates at lower temperatures for longer motor life

Optional Features

•Unit and remote wye-delta mounted starters

•Unit mounted, fl oor mounted, and wall mounted solid state starters.

•Across-the-line, Primary Reactor, and Auto Transformer Remote mounted starter for medium/ high voltage

•Marine waterboxes for evaporator and condenser

•Factory-applied thermal insulation

•One-inch defl ection spring isolators for vibration-sensitive installations

•Refrigerant available from a local distributor

•Building automation systems (BAS) Interface

•Factory testing

Applications

•Comfort cooling

•Industrial process cooling

Patents

•Polygon drive for refrigeration compressor impellers

•Centrifugal compressor sump demister

•Internal oil fi lter

•Thermosiphonic oil cooler

•Compressor height and alignment adjustment

•Oil return using hot gas for motive force

•Centrifugal impeller assembly

•Internal oil fi lter

Orifice System

• Simplifi ed orifi ce system with improved part load performance down to 20 percent part load

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