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Hermetic design, Gear driven compressors, Multi-pass water boxes – Carrier 19 Series User Manual

Page 4: Refrigerant-cooled motor

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Energy-saving, precision design: extends

compressor motor life, saves on operating
costs, increases electrical efficiency

19CB

Hermetic design

Hermetic compressor design keeps
motor free of airborne dirf and mois­
ture. It also isolates motor to keep heat
and sound from equipment room.
Eliminates shaft seal with its potential
refrigerant leakage.

■ Gear driven compressors

Gear driven compressors allow more
flexibility in selection than direct drive
because gear ratios can be fitted to
particular application. Gear driven
compressors also allow optimum im­

peller speed, higher head applications
and increased operating efficiency.

Multi-pass water boxes

The complete 19 Series line offers 1,2,3
and 4 pass water boxes on both the
coolers and condensers. The result is
better heat transfer when needed —
reducing operafing costs. In addition,
all pass arrangements are available at
no extra cost.

Refrigerant-cooled motor

All 19 Series compressors have
refrigerant-cooled motors that operate
at low, even temperatures throughout
the motor windings to insure long motor
life at high electrical efficiency.

19DH