MACS 609 CERTIFICATION
Exam Coverage
Exam coverage for the MACS 609 Certification includes advanced
automotive air conditioning and HVAC service concepts aligned with
Mobile Air Conditioning Society (MACS) standards. It focuses on
refrigeration cycle theory, system components, refrigerants (including
environmental regulations and handling requirements), diagnostic
procedures, leak detection, evacuation and recharge processes, and
system performance evaluation. The exam also evaluates
understanding of electrical controls, compressors, expansion devices,
pressure-temperature relationships, and troubleshooting HVAC
system faults.
, Before reuse, what must be done with HFC-134a that has been
recovered from a mobile A/C system using recovery-only equipment?
Question 2 options:
Recycle the HFC-134a before reuse using certified equipment
If lubricant is removed by recovery equipment during system
refrigerant removal, what must be done with the lubricant?
Re-install lubricant removed by the recovery equipment
Exam Coverage
Exam coverage for the MACS 609 Certification includes advanced
automotive air conditioning and HVAC service concepts aligned with
Mobile Air Conditioning Society (MACS) standards. It focuses on
refrigeration cycle theory, system components, refrigerants (including
environmental regulations and handling requirements), diagnostic
procedures, leak detection, evacuation and recharge processes, and
system performance evaluation. The exam also evaluates
understanding of electrical controls, compressors, expansion devices,
pressure-temperature relationships, and troubleshooting HVAC
system faults.
, Before reuse, what must be done with HFC-134a that has been
recovered from a mobile A/C system using recovery-only equipment?
Question 2 options:
Recycle the HFC-134a before reuse using certified equipment
If lubricant is removed by recovery equipment during system
refrigerant removal, what must be done with the lubricant?
Re-install lubricant removed by the recovery equipment
