HVAC - Refrigerant Technician Download as PDF OPTION I - REFRIGERANT TECHNICIAN SHORT-TERM CERTIFICATE – Guided Pathway/Map Item # Title Credits ACR 111 Principles of Refrigeration 3 ACR 112 HVACR Service Procedures 3 ACR 121 Principles of Electricity for HVACR 3 ACR 123 HVACR Electrical Components 3 Sub-Total Credits 12 Total credits: 12 Overview Program HVAC Type Short-Term Certificate