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C-21 Refrigeration and Air Conditioning Contractor (2018-03-29)
The construction, erection and installation of devices, machinery and units for the control of air temperatures below 50oF in refrigerators, refrigerated rooms and insulated spaces, and installation of any related insulation, ducts, blowers, registers, controls over humidity and thermostatic controls, lines for supplying natural gas from the unit to the point of connection in the existing line for natural gas at the meter or at any point thereafter, electrical service from the unit’s device to protect against excessive current to the main electrical panel, but not the installation of other gas or electric services for the devices, machinery or units, the installation, repair, service and maintenance of equipment, devices, machinery, units and related ductwork which use evaporation, refrigeration, boilers or combustion for the control of air temperatures in structures where people live, work or assemble or animals are kept, the selection, cutting, shaping, fabrication and installation of sheet metal in such forms as cornices, flashings, gutters, leaders, downspouts for rainwater, pans, kitchen equipment, ducts, louvres, patented chimneys and metal flues, the repair and replacement of any parts of existing units or systems of air-conditioning and refrigeration, including the compressors, motors, relays, coils, heat exchangers and other appurtenances and equipment, but not the replacement of complete condenser assemblies on remote systems, air handlers or any work that may alter the design of an existing system, the installation of the collectors, piping, storage and other equipment used in the conversion of solar energy to energy used for the control of air temperatures, the installation of the chiller, piping, pumps, storage tanks, coils, cooling tower and other equipment used in the production and use of chilled water for the control of temperatures, the fabrication, installation, repair and removal of pipes, pumps, valves and other equipment used in the transfer of hot water for the control of temperatures.
70% Minimum Passing Score
Closed Book These books are for pre-test study only and are not available for use during the test.
Rev 1992 Edition
Publication Year: 1997
The intent of this manual is to equip the reader with the knowledge and skills needed todesign, install, operate and maintain the most common types of solar water heating systems.The manual serves as the textbook for the solar thermal course sponsored and conducted bythe Florida Solar Energy Center. It also functions as a study guide for those intending to takelicensing or certification exams.The manual presents an overview of solar thermal applications, provides basic informationon the principles of solar energy, reviews solar thermal technologies, and provides detailedinstruction on the safe, efficient installation of solar water heating and pool heating systems.The manual is divided into six sections, with each separated into individual modules.
Publication Year: 2005
The third edition of the HVAC Duct Construction Standards – Metal and Flexible is intended primarily for commercial and institutional duct construction. This American National Standard contains tables and details for constructing ductwork for ½" to 10" wg positive and negative pressures. This edition improves upon the second edition with expanded pressure class tables, separate tables for TDC/TDF construction and expanded tables for round duct construction including 6" wg positive and negative pressure and sizes up to 96". New in this edition is an engineering and design chapter to provide additional information to design professionals, double-wall construction details, new casing construction details and additional accessory items. The standard is applicable for construction using uncoated steel, galvanized and stainless steels and a limited range of aluminum ducts. This standard has been adopted in the ICC International Mechanical Code.
Publication Year: 2008
ACCA's latest update of the Manual N light commercial method, Wrightsoft's Right-N is a simple, clear, logical, yet very sophisticated program to help you compute your calculations quickly and accurately.
Publication Year: 2020
All Federal Construction Regulations (29 CFR 1926) are included in this “perfect bound” book in an easy-to-read, two-color layout.
All 29 CFR 1926 regulations for construction industry are included along with the following items:
29 CFR 1903 regulations covering inspections, citations, and penalties
29 CFR 1904 regulations covering recording and reporting occupational injuries and illnesses
OSHA keyword dictionary
Easy to find OSHA interpretations
Uniform Mechanical Code 2012 provides complete requirements for the installation and maintenance of heating, ventilating, cooling and refrigeration systems, while at the same time allowing latitude for innovations and new technologies.
Publication Year: 2012
2012 NFPA 54: National Fuel Gas Code provides revised, industry accepted guidance for the safe installation and operation of gas piping systems, appliances, equipment, and accessories.
Modern Refrigeration and Air Conditioning is the HVACR standard for a new generation of learner. It correlates to HVAC Excellence and PAHRA accreditation requirements to ensure complete coverage that prepares students for career success. This edition has an improved instructional design, improved assessments, enhanced content on fundamentals, such as electrical theory and troubleshooting, and new digital assets that help students master knowledge, hands-on applications, and diagnostic skills. The revision also helps prepare students for employment and careers with new lab activities and features. Prepare your students for careers with new learning materials based upon the original HVACR industry standard.
Follow-the-Heat™ Animations provide 63 short animations that introduce foundational concepts using simple, easily understood graphics and narrations.
Troubleshooting Activities create an interactive experience designed to develop and promote troubleshooting techniques and logical diagnostic skills.
New chapter on Electrical Troubleshooting, and expanded electrical coverage in the text and lab manual provide excellent coverage of essential information.
Soft Skills for HVACR features emphasize the importance of workplace skills.
Service Call Troubleshooting features present on-the-job service call situations.
Full-color Lab Manual includes 35 new lab activities – including activities focusing on basic electrical skills and sheet metal construction.