Apply Fundamental Design Principles Of Chilled Water System [WSQ]


This competency unit is pegged at WSQ Advanced Certificate level. It equips learners with the skills and knowledge to interpret the basic elements and construction of chilled water system. The types of chilled water system covered in this unit include air-cooled and water-cooled chiller systems. This unit also equips learners with the skills required in the selection of chillers through theory exercises and case studies.

  • New entrants into air-conditioning industry
  • Supervisors in air-conditioning industry
  • Assistant engineers in air-conditioning industry
  • Engineers in air-conditioning industry
  • Identify different types of air-conditioning equipment based on direct or indirect expansion air-conditioning system and heat transfer medium
  • Select appropriate air-conditioning system based on application area, building height, piping length, energy saving and cooling/heating mode of air-conditioning
  • Explain steps to design a chilled water system in accordance with work process flow chart
  • List the different components of an air-cooled and water-cooled chiller system based on standard design
  • Determine the state and condition of air using Psychrometric chart
  • Describe the construction, features, capacity range of air handling unit (AHU) and fan coil units (FCU) in accordance with manufacturer’s catalogues
  • Select a chiller in accordance with the manufacturer’s specifications

Qualification Level:
WSQ Advanced Certificate

Date Option 1
Theory : 10-11 August 2022
Assessment : 12 August 2022 (2hours)

Full Course fee:
$401.25 (Inclusive of 7% GST)

WDA Course Fee Funding:

  • SMEs: 90% of course fee capped at $30/hr
  • Non-SMEs: 50% of course fee capped at $15/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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