|
Standard |
Rev.
Introduces the use of refrigeration tools, materials, and procedures
needed to install, repair, and service refrigeration systems. Topics include: refrigeration
tools; piping practices; service valves; leak testing; refrigerant recovery,
recycling, and reclamation; evacuation; charging; and safety.
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Competency Areas |
Hours
|
|
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Refrigeration
Tools |
Class |
5 |
|
Piping
Practices |
D. Lab |
2 |
|
Service
Valves |
P.
Lab/O.B.I. |
3 |
|
Leak
Testing |
Credit |
7 |
|
Refrigerant
Recovery, Recycling, and Reclamation |
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|
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Evacuation |
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|
|
Charging |
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Safety |
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Prerequisite/Corequisite: |
ACT 100 |
|
Course Guide |
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Competency |
After completing this section,
the student will: |
Hours |
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|
Class |
D.Lab
|
P.Lab/ O.B.I. |
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REFRIGERATION TOOLS |
9 |
5
|
15 |
|
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Types of
tubing |
Identify
different types of tubing used in refrigeration industry. |
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Fitting
and sizes |
Identify
various fittings commonly used in refrigeration industry. |
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Fabrication
and bending |
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Bend
copper tubing. |
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Braze or
silver solder lines or fittings, such as condensers, receivers, evaporators,
tubing, or piping. |
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Flare
copper tubing. |
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Measure
and cut copper tubing. |
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Remove or
install threaded fittings. |
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Soldering |
Soft
solder lines or fittings, such as condensers, receivers, evaporators, tubing,
or piping. |
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Silver
braze lines or fittings. |
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Silver
solder lines or fittings. |
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Safety |
Identify
and discuss potential hazards in working with copper tubing. |
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PIPING
PRACTICES |
8 |
3
|
3 |
|
|
Calculations
and theory |
Determine
the correct refrigerant line sizes. |
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Install
insulation. |
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Types of
pipe (steel, iron, and PVC) |
Identify
various types of pipe. |
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Pipe
fittings and sizes |
Remove or
install threaded fittings. |
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Cutting
and threading |
Measure
and cut pipes. |
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|
|
Installing
pipe and pipe fittings |
Remove or
install piping or tubing, such as water, refrigerant, or fuel lines. |
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Safety |
Identify
and discuss safety concerns found in working with pipe and pipe fittings. |
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SERVICE
VALVES |
3 |
1
|
1 |
|
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Types of
gauges |
Identify
and discuss the various types of gauges. |
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Gauge
maintenance |
Calibrate
gauges. |
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Inspect
gauges or lines. |
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Test
gauges using pressure test bench. |
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Installation
of gauge manifold |
Purge
lines. |
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Safety |
Discuss
the potential hazards of working with gauges. |
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LEAK
TESTING |
4 |
2
|
2 |
|
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Detection
devices |
Discuss
the various types of leak detectors. |
|
|
|
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Methods
of detection |
Locate
refrigerant leaks using electronic leak detectors. |
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Locate
refrigerant leaks using soap solutions. |
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Perform
pressure tests. |
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Safety |
Identify
hazards of working with refrigerants. |
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REFRIGERANT
RECOVERY, RECYCLING, AND RECLAMATION |
7 |
3
|
3 |
|
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Theory |
Discuss
stratospheric ozone depletion. |
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Discuss
regulations relating to the discharge of ozone layer depleting substances. |
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Discuss
refrigerant recovery, recycling, and reclamation procedures as means of
reducing ozone layer depletion. |
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Equipment |
Describe
recovery and reclamation equipment use. |
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Procedures |
Demonstrate
refrigerant recovery and recycling procedures. |
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Safety |
Demonstrate
safe procedures in recovering, recycling, and transferring refrigerants. |
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EVACUATION |
6 |
3
|
3 |
|
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Theory |
List the
proper procedures for evacuating refrigeration systems. |
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Equipment |
Identify
and explain the equipment used in evacuating a refrigeration system. |
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Procedure |
Evacuate
refrigeration or air conditioning systems. |
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Purge
lines. |
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Discuss
desiccants. |
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Remove or
install gauges. |
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Replace
drier filters or cartridges. |
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Safety |
Discuss
safety factors involved in evacuating refrigeration systems. |
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CHARGING |
10 |
3
|
3 |
|
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Equipment
and supplies |
Charge
refrigeration system. |
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|
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Safety |
Determine
performance by using P-T chart. |
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SAFETY |
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