ACS Assessment Process

What is ACS (Accredited Certification Scheme) certification?

• AJust a badge
• BFormal qualification verifying competence in gas safety through assessed core and appliance modules✓
• COnly for supervisors
• DOptional

Answer: ACS certification is the UK's formal competency qualification for gas engineers.

What are the core ACS modules?

• AJust one module
• BCCN1 (gas cookers), CKR1 (knowledge), CENWAT1 (water heating) and others✓
• CNo core modules
• DVaries by engineer

Answer: Core modules cover essential gas safety knowledge and skills.

What is CCN1 in ACS?

• AAn appliance module
• BThe core module for gas cooker safe use and installation✓
• CHeating systems only
• DNot an ACS module

Answer: CCN1 is the core module for cookers and similar appliances.

What is CKR1 in ACS?

• AJust theory
• BThe core knowledge module covering gas safety, regulations, and procedures✓
• COnly heating
• DOptional module

Answer: CKR1 covers essential knowledge of gas safety, regulations, and procedures.

What is CENWAT1 in ACS?

• ACooker module
• BThe core module for gas water heating appliances✓
• COnly boilers
• DNot required

Answer: CENWAT1 covers water heating including boilers and instantaneous heaters.

What are appliance-specific ACS modules?

• ANot used
• BOptional modules for specific appliances (e.g., CHA1 for fires, CEL1 for cookers)✓
• COnly theory
• DAll optional

Answer: Appliance modules cover specific appliance types and requirements.

What is CHA1 in ACS?

• AGeneral module
• BThe appliance module specifically for gas fires and heating✓
• CCookers only
• DNot an ACS module

Answer: CHA1 is the gas fire and heating appliance certification module.

How long is an ACS certification valid?

• APermanent
• BTypically 5 years before renewal is required✓
• C1 year only
• DIndefinite with annual checks

Answer: ACS certifications are typically valid for 5 years before renewal.

What is required to renew ACS certification?

• AJust paperwork
• BReassessment and evidence of continued competence and CPD✓
• CAutomatic renewal
• DOptional

Answer: Renewal requires reassessment and evidence of ongoing professional development.

What is the assessment method for ACS modules?

• AVerbal only
• BWritten and practical assessments demonstrating knowledge and competence✓
• CNo assessment
• DSelf-assessment only

Answer: ACS combines written theory and practical skills assessments.

What pass mark is typically required for ACS modules?

• A30%
• B70% or higher to demonstrate competence✓
• C50%
• DNo pass mark

Answer: ACS typically requires 70% to demonstrate adequate competence.

What is scope of work in ACS context?

• ANot important
• BThe types of work an ACS-certified engineer is competent and licensed to perform✓
• CAll gas work
• DOnly specified work

Answer: Scope defines which work an engineer can legally carry out.