Carrier 17/19EX - Manual (Page 179)

Motor Compressor Assembly
Guide vane actuator, transmission, motor cooling system, oil cooling system, temperature
and pressure sensors, oil sight glasses, integral oil pump, isolatable oil filter, extra oil and motor
temperature sensors, synthetic oil, and compressor serviceability.
Motor Compressor Lubrication System
Oil pump, cooler filter, oil heater, oil charge and specification, operating and shutdown oil
level, temperature and pressure, oil charging connections, and seal oil chambers.
Control System
CCN and Local start, reset, menu, softkey functions, LID operation, occupancy schedule, set
points, safety controls, and auxiliary and optional controls.
Auxiliary Equipment
Starters and disconnects, separate electrical sources, pumps, and cooling tower.
Describe Machine Cycles
Refrigerant, motor cooling, lubrication, and oil reclaim.
Review Maintenance
Scheduled, routine, and extended shutdowns, importance of a log sheet, importance of water
treatment and tube cleaning, and importance of maintaining a leak-free machine.