| (F) identify the connectors on a personal computer.
(9) The student learns the operation, testing, and
adjustment of conventional and electronic thermostats as well as the
operation of common electrical, electronic, and pneumatic circuits
used to control HVAC systems. The student is expected to:
(A) explain the function of a thermostat in an HVAC
system;
(B) describe different types of thermostats and explain
how the thermostats are used;
(C) demonstrate the correct installation and adjustment
of a thermostat;
(D) explain the principles applicable to all control
systems;
(E) identify the various types of electromechanical,
electronic, and pneumatic HVAC controls and explain their function
and operation;
(F) describe a systematic approach for electrical troubleshooting
of HVAC equipment and components;
(G) recognize and use equipment manufacturers' troubleshooting
aids to troubleshoot HVAC equipment;
(H) demonstrate how to isolate electrical problems
to faulty power distribution, load, or control circuits;
(I) identify the service instruments needed to troubleshoot
HVAC electrical equipment;
(J) make electrical troubleshooting checks and measurements
on circuits and components common to all HVAC equipment; and
(K) isolate and correct malfunctions in a cooling system
control circuit.
(10) The student learns the tools, instruments, and
techniques used in troubleshooting gas heating appliances, including
how to isolate and correct faults. The student is expected to:
(A) describe the operating sequence for gas heating
equipment;
(B) interpret control circuit diagrams for gas heating
systems;
(C) describe the operation of various types of burner
ignition methods;
(D) identify the tools and instruments used when troubleshooting
gas heating systems;
(E) demonstrate using the tools and instruments required
for troubleshooting gas heating systems; and
(F) isolate and correct malfunctions in gas heating
systems.
(11) The student learns the techniques and equipment
used in troubleshooting cooling equipment and analyzing system temperatures
and pressures in order to isolate faults. The student is expected
to:
(A) describe a systematic approach for troubleshooting
cooling systems and components;
(B) isolate problems to electrical and mechanical functions
in cooling systems;
(C) recognize and use equipment manufacturers' troubleshooting
aids to troubleshoot cooling systems;
(D) identify and use the service instruments needed
to troubleshoot cooling systems;
(E) troubleshoot selected problems in cooling equipment;
and
(F) state the safety precautions associated with cooling
troubleshooting.
(12) The student learns the principles of reverse-cycle
heating, the operation of various types of heat pumps, and the mechanisms
of heat pump control circuits and learns to install and service heat
pumps. The student is expected to:
(A) describe the principles of reverse-cycle heating;
(B) identify heat pumps by type and general classification;
(C) describe various types of geothermal water loops
and their application;
(D) list the components of heat pump systems;
(E) describe the role and operation of electric heat
in common heat pump systems;
(F) describe common heat pump ratings such as coefficient
of performance, heating season performance factor, and seasonal energy
efficiency ratio;
(G) demonstrate heat pump installation and service
procedures;
(H) identify and install refrigerant circuit accessories
commonly associated with heat pumps;
(I) analyze a heat pump control circuit; and
(J) isolate and correct malfunctions in a heat pump.
(13) The student selects the application and installation
of various types of fasteners, gaskets, seals, and lubricants as well
as the installation and adjustment of different types of belt drives,
bearings, and couplings. The student is expected to:
(A) identify, explain, and install threaded and non-threaded
fasteners;
(B) identify, remove, and install types of gaskets,
packings, and seals;
(C) identify types of lubricants and explain their
uses;
(D) use lubrication equipment to lubricate motor bearings;
(E) identify the types of belt drives, explain their
uses, and demonstrate procedures used to install or adjust them;
(F) identify and explain types of couplings;
(G) demonstrate procedures used to remove, install,
and align couplings;
(H) identify types of bearings and explain their uses;
(I) explain causes of bearing failures;
(J) demonstrate procedures used to remove and install
bearings;
(K) perform preventive maintenance inspection and cleaning
procedures; and
(L) list ways to develop and maintain good customer
relations.
(14) The student demonstrates how to lay out, fabricate,
install, and join sheet metal ductwork. The student is expected to:
(A) identify and describe the types of sheet metal;
(B) define properties of steel and aluminum alloys;
(C) describe a layout method and perform proper cutting;
(D) join sheet metal duct sections using proper seams
and connectors;
(E) describe proper hanging and support methods for
sheet metal ductwork;
(F) describe thermal and acoustic insulation principles;
(G) select, apply, and seal the proper insulation for
sheet metal ductwork;
(H) describe guidelines for installing components such
as register, diffusers, grilles, dampers, access doors, and zoning
accessories; and
(I) install takeoffs and attach flexible duct to a
sheet metal duct.
(15) The student gains the knowledge and skills to
lay out, fabricate, install, join, attach, and support fiberglass
ductwork and fittings. The student is expected to:
(A) identify types of fiberglass duct, including flexible
duct;
(B) describe fiberglass duct layout and some basic
fabrication methods;
(C) describe the various closure methods for sealing
fiberglass duct;
(D) fabricate selected duct modules and fittings using
the appropriate tools;
(E) describe hanging and support methods for fiberglass
duct;
(F) describe how to repair major and minor damage to
fiberglass duct; and
(G) install takeoffs and attach flexible duct to a
fiberglass duct.
|
