PRE-ORDER our 2nd Edition Refrigerant Charging and Service Procedures for Air Conditioning. New procedures, new tools and updated refrigerants...
This paperback book is dedicated to those who are eager to learn the HVAC trade and refrigerant charging/troubleshooting practices. This book contains step by step procedures that include preparing air conditioning and heat pump systems for refrigerant, measuring system refrigerant charges, and troubleshooting systems by measuring refrigerant charge indicators, air temperature measurements, and airflow. Manifold gauge sets, digital manifold sets, digital gauge stubs, and wireless probes are discussed and utilized in examples. This book differs from others in that it provides key insights into each procedure along with tool usage from a technician’s perspective, in language that is easy to understand. Concepts are examined such as refrigerant properties, the refrigeration cycle of an air conditioner and heat pump, energy transfer, airflow requirements, components within systems, and common problems.
 
Procedures Included:
Checking the Charge
Charging and Recovery
Airflow Measurements
Leak Testing and Vacuuming
Connection and Disconnection at Ports
Troubleshooting Refrigerant & Airflow Problems