Determine Basic Operating Conditions And Maintenance For Air-conditioning System [WSQ]


This competency unit is pegged at WSQ Certificate level. It equips learners with the skills and knowledge to determine the basic operating conditions and maintenance of residential air-conditioning system. It encompasses working safely in handling different refrigerant, identifying abnormalities and determining operating conditions of air-conditioning system. This unit also provides learners with the opportunity to conduct compliance test run and basic maintenance of residential air-conditioning system through practical session.

  • New entrants into air-conditioning industry
  • Air-conditioning system installers
  • Technicians in the air-conditioning industry
  • Identify different types of air-conditioning system and their application in the market
  • Explain system components in air-conditioning system
  • Identify abnormalities of air-conditioning system based on collected data in accordance with Mollier Chart (Pressure-enthalpy chart)
  • Apply appropriate techniques in handling different refrigerant in accordance with Material Safety Data Sheet (MSDS)
  • Use measuring equipment to conduct compliance test run in accordance with standard operating procedure
  • Record data in accordance with test run data sheet
  • Check operating conditions of air-conditioning system in accordance with manufacturer’s manual
  • Perform basic maintenance for residential air-conditioning system in accordance with manufacturer's manual

Qualification Level:
WSQ Certificate

Date Option 1
Theory : FULL
Assessment : FULL

Full Course fee:
$481.5 (Inclusive of 7% GST)

WDA Course Fee Funding:

  • SMEs: 90% of course fee capped at $30/hr
  • Non-SMEs: 80% of course fee capped at $7/hr

Eligibility of course fee funding:

  • Company sponsored participants must be a Singaporean or Singapore Permanent Residents.
  • Individual company are to submit the applications and claims through the SkillsConnect System at
  • Course fee funding does not include GST.

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