NVCC
COLLEGE-WIDE COURSE CONTENT SUMMARY
AIR
238 - ADVANCED TROUBLESHOOTING AND SERVICE (3 CR.)
COURSE DESCRIPTION
Covers an in-depth
study of troubleshooting and repair of all equipment in the program. It
will cover refrigeration, air conditioning, gas and oil heating, water
chillers, water towers, air handlers, and air systems. Lecture 2 hours.
Laboratory 2 hours. Total 4 hours per week.
GENERAL COURSE PURPOSE
ENTRY LEVEL COMPETENCIES
None
COURSE OBJECTIVES
As a result of the
learning experiences provided in the course, the student will be able to:
-
use the various techniques
learned to diagnose service problems more quickly
-
make better decisions
concerning repairs
-
make repairs to various
types of water pumps
-
service compressors faster
-
analyze air movement and
blower problems and make repairs
-
service and install commercial
refrigeration units and cases
-
service and repair ice
machines
-
install, repair, and service
humidification equipment
-
check and repair low and
high voltage control circuits
MAJOR TOPICS TO BE
INCLUDED
-
Water pumps
-
seals
-
bearings
-
impellars
-
Compressors
-
seals
-
gaskets
-
valve plates
-
oil pumps
-
Blower Motors
-
bearings
-
lubrication
-
mounts
-
speeds
-
relays
-
Air Cleaners
-
service
-
field repairs
-
Humidifiers
-
types
-
preventive maintenance
-
repair
-
Heat and Cool Controls
-
thermostats
-
relays
-
contactors
-
delay timers
-
valves
-
Ice Machines
-
makes
-
sequence
-
controls
-
repair or replace
-
Water Chillers (up to
200 tons recips.)
-
preventive maintenance
-
replacement parts
-
repair
-
alignment
-
Residential Air Conditioning
Condensing Units
-
maintenance
-
repair
-
controls
-
servicing
-
replacement parts
-
Rooftop Units
-
care
-
maintenance
-
repair
-
restrictions
-
installation
Revised 1/96
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