This course is designed to enhance the technical expertise of maintenance personnel, technicians, operators, engineers and others who are associated with the operation and/or maintenance of equipment.
Our teaching methods include heavy class participation, visual aids, text, and equipment. Our instructors have many years of experience and take a non-intimidating, no-nonsense approach in their presentation. This course is a minimum of 40 hours and a maximum of 72 hours.
I. Air Conditioning Saturated Circuit
A. Heat Transfer Processes
B. Psychrometric Calculations
II. Humidity Concerns & Comfort Zones
A. Relative Humidity
B. Psychrometric Calculations
C. Humidistats
D. Humidifiers & Dehumidifiers
III. Heat Load Calculations
A. Radiated Heat Load
B. Wall Load & Roof Heat Load
C. Electrical Load
D. People Load
E. Air Changes & Code Requirements
F. Map Factor
IV. Compressors
A. Kinds and Types
B. Accumulators
C. Lubrication - Oil return
V. Condensers
A. Air Cooled
B. Evaporative Condensers
C. Psychrometric Calculations
D. Performance Evaluation
VI. Piping System Design
A. Suction Line
B. P-Traps
C. Risers/Gas Velocity
VII. Temperature Control
A. Thermostats
B. Remote Systems, Single & Dual Stage
VIII. Capacity Controls
A. Hot Gas By-Pass
B. Head Pressure Control Problems
IX. CFC Certification
X. Recovery, Evacuation, & Charging
A. Recovering Controlled Systems
B. Vacuum Pumps
C. Evacuating Process
D. Liquid Charge
E. Critical Charge Systems
XI. Safety Devices
A. Refrigeration Code
B. Classification & Specifications
C. Servicing
D. Piping
E. Design Pressures
F. High Pressure Receivers
XII. Evaporators
A. A-Coils
B. Split Systems & Precharged
C. Selecting Coils
D. Ratio TD vs Relative Humidity
XIII. Ventilation
A. Plenums
B. Duct Sizing & Take Offs
C. Air Return
XIV. Expansion Devises
A. Capillary Tubes
B. Thermostatic Expansion Valves
C. Selecting TXV's
D. Distributor Systems
XV. Piping System Design
A. Liquid Line
B. Risers/Pressure Drop
C. Subcoolers
XVI. Troubleshooting - Air Conditioning Problems
A. Cap Tubes & TXV System
B. System Restrictions
C. Leaks
D. Inefficient Compressors
E. Gauge Reading
F. Evaporator Condition
XVII. Electrical Single Phase
A. Single Phase Schematics
B. Potential Relays
C. Permanent Split Capacitors & Motors
D. Run & Start Capacitor Hook-Ups
E. Bleeder Resistors
F. Single Phase Contactors
G. Component Rating
H. Current Draw
XVIII. Window Air Conditioners |
|
