Demonstrate knowledge of refrigeration load calculations.
Objectives and Content:
Define terminology associated with refrigeration load calculations.
Perform load calculations and determine total loads for refrigeration systems.
transmission
K, C, U and R values
solar load
air change
infiltration
ex-filtration
usage
product
sensible heat
latent heat
heat of respiration
miscellaneous
fans
lighting
motors
people
equipment
defrost load
air
electric
hot gas
Btuh total
RACM-305 Refrigeration System Design
Learning Outcomes:
Demonstrate knowledge of refrigeration system design principles.
Demonstrate knowledge of refrigeration system equipment, components and accessory devices, and their selection based on design criteria.
Demonstrate knowledge of sketching piping schematics.
Demonstrate knowledge of sketching electrical schematics.
Objectives and Content:
Define terminology associated with refrigeration system design.
Explain the fundamental principles of refrigeration system design.
Interpret codes and regulations pertaining to refrigeration system design.
Interpret information pertaining to refrigeration system design found on drawings, specifications, graphs and tables.
Identify capacity ratings of refrigeration system components.
Identify types of system designs and describe their characteristics and applications.
high temperature system
medium temperature system
low temperature system
ultra-low temperature system
Identify the factors to consider when designing and laying out refrigeration systems.
Identify the factors to consider when selecting equipment, components and accessory devices for refrigeration systems based on design criteria.
Explain the importance of balancing system capacity with system load.
Identify the factors to consider when selecting refrigerant based on design criteria.
Identify the factors to consider when sizing pipe for refrigeration piping systems.
Describe the procedures used to size pipe for refrigeration piping systems.
Sketch piping schematics for refrigeration systems.
Sketch electrical schematics for refrigeration systems.
RACM-310 Large Commercial/Industrial Compressors
Learning Outcomes:
Demonstrate knowledge of the procedures used to install large commercial/industrial compressors and their components.
Demonstrate knowledge of the procedures used to maintain and troubleshoot large commercial/industrial compressors and their components.
Demonstrate knowledge of the causes of large commercial/industrial compressor failures and their procedures for repair.
Objectives and Content:
Define terminology associated with large commercial/industrial compressors.
Identify hazards and describe safe work practices pertaining to large commercial/industrial compressors.
Interpret codes and regulations pertaining to large commercial/industrial compressors.
Interpret information pertaining to large commercial/industrial compressors found on drawings and specifications.
Identify specialized tools and equipment used with large commercial/industrial compressors, and describe their applications and procedures for use.
Explain the purpose and operation of large commercial/industrial compressors and their components.
Identify types of large commercial/industrial compressors, and describe their characteristics and applications.
centrifugal
rotary screw
open drive
semi-hermetic
hermetic
magnetic bearing
Identify types of large commercial/industrial compressors components, and describe their characteristics and applications.
Identify methods used to cool large commercial/industrial compressors.
Identify methods used to lubricate large commercial/industrial compressors.
Identify methods of large commercial/industrial compressor capacity control.
Identify the factors to consider when selecting and installing large commercial/industrial compressors and their components.
Describe the procedures used to install large commercial/industrial compressors and their components.
Describe the procedures used to maintain and troubleshoot large commercial/industrial compressors and their components.
Identify large commercial/industrial compressor failures and describe their causes and procedures for repair.
mechanical
electrical
Describe the procedures used to start up, commission and shut down large commercial/industrial compressors.
RACM-315 Heating Systems
Learning Outcomes:
Demonstrate knowledge of heating systems, their components and operation.
Demonstrate knowledge of the procedures used to install heating equipment, components and accessories.
Demonstrate knowledge of the procedures used to maintain and troubleshoot heating systems, and their equipment, components and accessories.
Objectives and Content:
Define terminology associated with heating systems.
Identify hazards and describe safe work practices pertaining to heating systems.
Interpret codes and regulations pertaining to heating systems.
Interpret information pertaining to heating systems found on drawings and specifications.
Identify specialized tools and equipment used with heating systems, and describe their applications and procedures for use.
Explain the purpose and operation of heating systems, equipment, components and accessories.
Identify types of energy sources and describe their application.
natural gas
propane
electric
fossil fuel
solar
Identify types of heating systems and describe their characteristics and applications.
forced-air
radiant
Identify types of heating system equipment, components and accessories, and describe their characteristics and applications.
Identify the factors to consider when selecting and installing heating system equipment, components and accessories.
Describe the procedures used to install heating system equipment, components and accessories.
Describe the procedures used to maintain and troubleshoot heating systems and their equipment, components and accessories.
Identify heating system failures and describe their causes and procedures for repair.
Describe the procedures used to start up, commission and shut down heating systems.
RACM-320 Commercial Refrigeration Systems
Learning Outcomes:
Demonstrate knowledge of commercial refrigeration systems, their components and operation.
Demonstrate knowledge of the procedures used to install commercial refrigeration systems and their components.
Demonstrate knowledge of the procedures used to maintain and troubleshoot commercial refrigeration systems and their components.
Objectives and Content:
Define terminology associated with commercial refrigeration systems.
Identify hazards and describe safe work practices pertaining to commercial refrigeration systems.
Interpret codes and regulations pertaining to commercial refrigeration systems.
Interpret information pertaining to commercial refrigeration systems found on drawings and specifications.
Identify specialized tools and equipment used with commercial refrigeration systems, and describe their applications and procedures for use.
Explain the purpose and operation of commercial refrigeration systems and their components.
Identify types of commercial refrigeration systems, and describe their characteristics and applications.
supermarket/multi-plex
walk-in freezers/coolers
ice machines
food service
specialty
ultra-low
cascade
cryogenic
Identify types of commercial refrigeration system components, and describe their characteristics and applications.
Identify types of commercial refrigeration defrost systems, and describe their characteristics and applications.
hot gas
electric
latent heat
Identify commercial refrigeration defrost system components, and describe their characteristics and applications.
Identify the factors that optimize shelf life and quality of refrigerated and frozen products.
Identify the factors to consider when selecting and installing commercial refrigeration systems and their components.
Describe the procedures used to install commercial refrigeration systems and their components.
Describe the procedures used to maintain and troubleshoot commercial refrigeration systems and their components.
Identify commercial refrigeration system and component failures, and describe their causes and procedures for repair.
Describe the procedures used to start up, commission and shut down commercial refrigeration systems.
RACM-325 Split Air Conditioning Systems
Learning Outcomes:
Demonstrate knowledge of split air conditioning systems, their components and operation.
Demonstrate knowledge of the procedures used to install split air conditioning systems and their components.
Demonstrate knowledge of the procedures used to maintain and troubleshoot split air conditioning systems and their components.
Objectives and Content:
Define terminology associated with split air conditioning systems.
Identify hazards and describe safe work practices pertaining to split air conditioning systems.
Interpret codes and regulations pertaining to split air conditioning systems.
Interpret information pertaining to split air conditioning systems found on drawings and specifications.
Identify specialized tools and equipment used with split air conditioning systems, and describe their applications and procedures for use.
Explain the purpose and operation of split air conditioning systems and their components.
Identify types of split air conditioning systems, and describe their characteristics and applications.
residential
commercial
industrial
Identify types of split air conditioning system components, and describe their characteristics and applications.
Identify the factors to consider when selecting and installing split air conditioning systems and components.
Describe the procedures used to install split air conditioning systems and their components.
Describe the procedures used to maintain and troubleshoot split air conditioning systems and their components.
Identify split air conditioning system and component failures, and describe their causes and procedures for repair.
Describe the procedures used to start up, commission and shut down split air conditioning systems.
RACM-330 Packaged Air Conditioning Systems
Learning Outcomes:
Demonstrate knowledge of packaged air conditioning systems, their components and operation.
Demonstrate knowledge of the procedures used to install packaged air conditioning systems and their components.
Demonstrate knowledge of the procedures used to maintain and troubleshoot packaged air conditioning systems and their components.
Objectives and Content:
Define terminology associated with packaged air conditioning systems.
Identify hazards and describe safe work practices pertaining to packaged air conditioning systems.
Interpret codes and regulations pertaining to packaged air conditioning systems.
Interpret information pertaining to packaged air conditioning systems found on drawings and specifications.
Identify specialized tools and equipment used with packaged air conditioning systems, and describe their applications and procedures for use.
Explain the purpose and operation of packaged air conditioning systems and their components.
Identify types of packaged air conditioning systems and describe their characteristics and applications.
residential
commercial
industrial
Identify packaged air conditioning system components and describe their characteristics and applications.
economizer
indoor air quality components
Identify the factors to consider when selecting and installing packaged air conditioning systems and their components.
Describe the procedures used to install packaged air conditioning systems and their components.
Describe the procedures used to maintain and troubleshoot packaged air conditioning systems and their components.
Identify packaged air conditioning system and component failures, and describe their causes and procedures for repair.
Describe the procedures used to start-up, commission and shut-down packaged air conditioning systems.
RACM-335 Heat Pump Systems
Learning Outcomes:
Demonstrate knowledge of heat pump systems, their components and operation.
Demonstrate knowledge of the procedures used to install heat pump systems and their components.
Demonstrate knowledge of the procedures used to maintain and troubleshoot heat pump systems and their components.
Objectives and Content:
Define terminology associated with heat pump systems.
Identify hazards and describe safe work practices pertaining to heat pump systems.
Interpret codes and regulations pertaining to heat pump systems.
Interpret information pertaining to heat pump systems found on drawings and specifications.
Identify specialized tools and equipment used with heat pump systems and describe their applications and procedures for use.
Explain the purpose and operation of heat pump systems and their components.
Identify types of heat pump systems and describe their characteristics and applications.
air to air
liquid to air
liquid to liquid
air to liquid
Identify heat pump equipment and components and describe their characteristics and applications.
Describe the operation of the defrost cycle as it relates to heat pumps.
Explain water quality as it relates to heat pump systems.
Explain control sequences for heat pump systems.
Identify the factors to consider when selecting and installing heat pumps and components.
environmental considerations
energy efficiency
source
well
loop
air
ambient conditions
physical location
Identify the environmental considerations when installing heat pumps.
Describe the procedures used to install heat pump systems and their components.
Describe the procedures used to maintain and troubleshoot heat pumps and their components.
Identify heat pump system failures and describe their causes and procedures for repair.
Describe the procedures used to start-up, commission and shut-down heat pump systems.
RACM-340 Fluid Dynamics and Pumps
Learning Outcomes:
Demonstrate knowledge of fluid dynamics within piping systems.
Demonstrate knowledge of pumps, their components and operation.
Demonstrate knowledge of the procedures used to install pumps and their components.
Demonstrate knowledge of the procedures used to maintain and troubleshoot pumps and their components.
Objectives and Content:
Define terminology associated with fluid dynamics and pumps.
Identify hazards and describe safe work practices pertaining to fluid dynamics and pumps.
Interpret codes and regulations pertaining to fluid dynamics and pumps.
Interpret information pertaining to fluid dynamics and pumps found on drawings and specifications.
Identify specialized tools and equipment used with fluid dynamics and pumps, and describe their applications and procedures for use.
Explain the principles of fluid dynamics.
Explain the purpose and operation of liquid pumps and their components.
Identify types of pumps and describe their characteristics and applications.
Identify pump components and describe their characteristics and applications.
Identify the factors to consider when selecting and installing pumps and their components.
system parameters
pump curves
circuit configurations
Describe the procedures used to install pumps and their components.
Describe the procedures used to maintain and troubleshoot pumps and their components.
Identify pump and component failures and describe their causes and procedures for repair.
Describe the procedures used to fill, start up and commission pump systems.
Describe the procedures used to purge air from an open or closed pump system.
RACM-345 Control Systems
Learning Outcomes:
Demonstrate knowledge of control systems, their components and operation.
Demonstrate knowledge of the procedures used to install control systems and their components.
Demonstrate knowledge of the procedures used to maintain and troubleshoot control systems and their components.
Objectives and Content:
Define terminology associated with control systems.
Identify hazards and describe safe work practices pertaining to control systems.
Interpret codes and regulations pertaining to control systems.
Interpret information pertaining to control systems found on drawings and specifications.
Identify specialized tools and equipment used with control systems, and describe their applications and procedures for use.
Identify system control strategies and describe their characteristics and applications.
two position control
floating control
pulse width modulation
proportional (P)
proportional plus integral (PI)
proportional plus integral plus derivative (PID)
Explain how to incorporate various control strategies into control systems.
electric
electronic
pneumatic
direct digital control (DDC)
Identify the factors to consider when selecting and installing control systems and their components.
Describe the procedures used to install control systems and their components.
Describe the procedures used to maintain and troubleshoot control systems and their components.
Identify control system failures and describe their causes and procedures for repair.
Describe the procedures used to calibrate operating and safety controls.
Describe the procedures used to start up and commission control systems.
RACM-350 Troubleshooting Refrigeration and Air Conditioning Electronic Controls
Learning Outcomes:
Demonstrate knowledge of testing tools and equipment, their applications and procedures for use.
Demonstrate knowledge of the procedures used to troubleshoot electronic components and control boards.
Objectives and Content:
Define terminology associated with refrigeration and air conditioning electronic controls.
Identify hazards and describe safe work practices pertaining to refrigeration and air conditioning electronic controls.
Interpret codes and regulations pertaining to refrigeration and air conditioning electronic controls.
Interpret information pertaining to refrigeration and air conditioning electronic controls found on drawings, specifications and service manuals.
Identify specialized tools and equipment used to test and troubleshoot refrigeration and air conditioning electronic components and control boards, and describe their applications and procedures for use.
Identify refrigeration and air conditioning electronic components and control boards, and describe their purpose and operation.
Describe the procedures used to troubleshoot refrigeration and air conditioning electronic components and control boards.
RACM-355 Advanced Motors
Learning Outcomes:
Demonstrate knowledge of the procedures used to install complex motors and their components.
Demonstrate knowledge of the procedures used to maintain and troubleshoot complex motors and their components.
Demonstrate knowledge of the procedures used to install motor controls.
Demonstrate knowledge of the procedures used to maintain and troubleshoot motor controls.
Objectives and Content:
Define terminology associated with complex motors and motor controls.
Identify hazards and describe safe work practices pertaining to complex motors and motor controls.
Interpret codes and regulations pertaining to complex motors and motor controls.
Interpret information pertaining to complex motors and motor controls found on drawings and specifications.
Identify specialized tools and equipment used with complex motors and motor controls, and describe their applications and procedures for use.
Explain the purpose and operation of complex motors and motor controls and their components.
Identify types of complex motors and their components, and describe their characteristics and applications.
multi-lead
dual-voltage
multi-speed
Identify types of motor controls for complex motors, and describe their characteristics, applications and wiring configuration.
Describe the methods used to change the speed of a motor.
multi-tap
variable frequency drive (VFD)
Identify the factors to consider when selecting and installing complex motors, their components and motor controls.
Describe the procedures used to install complex motors and their components.
Describe the procedures used to maintain and troubleshoot complex motors and their components.
Describe the procedures used to install motor controls.
Describe the procedures used to maintain and troubleshoot motor controls.
Identify complex motor and motor control failures, and describe their causes and procedures for repair.
Diagnose single-phase and multi-phase motor failures and describe their causes.
RACM-360 Refrigeration Capacity Control
Learning Outcomes:
Demonstrate knowledge of refrigeration capacity control.
Demonstrate knowledge of the procedures used to install refrigeration capacity control components.
Demonstrate knowledge of the procedures used to maintain and troubleshoot refrigeration capacity control components.
Objectives and Content:
Define terminology associated with refrigeration capacity control.
Identify hazards and describe safe work practices pertaining to refrigeration capacity control.
Interpret codes and regulations pertaining to refrigeration capacity control.
Interpret information pertaining to refrigeration capacity control found on drawings and specifications.
Identify specialized tools and equipment used with refrigeration capacity control, and describe their applications and procedures for use.
Explain the purpose and operation of refrigeration capacity controls and their components.
Identify types of refrigeration capacity control and describe their characteristics and applications.
