Motor Compressor Assembly
Guide vane actuator, transmission, motor cooling system, oil cooling system, temperature
and pressure sensor s, oil sight glasse s, integral oil pu mp, isolatable oi l filter, extra oil a nd motor
temperature sensors, synthetic oil, and compressor serviceability.
Motor Compressor Lubrication System
Oil pump, cooler filter, oil heater, oil charge an d specification, op er at ing and shutdown oil
level, temperature and pr e ssure, oil charging c on nections, and seal oil chambers.
Control Syste m
CCN and Local start, r eset, menu, softke y functions, LID ope ration, occupanc y schedule, set
points, safety contr ol s, and auxiliary and op tional controls.
Auxiliary Equipment
Starters and disconn ec t s, separate electric al s ou rces, pumps, and cooli ng tower.
Describe Mach ine Cycles
Refrigerant, motor co oli ng, lubrication, and oi l reclaim.
Review Mainte nance
Scheduled, routine, and extended shutdowns, importance of a log sheet, importance of water
treatment and tube clea ning, and importance of maintaining a leak-f r ee machine.