Combination Boiler Course Timetable

Session 1

9.00

10.30

Introduction. Enrolment. Aims of the course. Open and sealed systems.

Advantages of sealed systems.

10.45

12.30

Operation of sealed systems. Expansion vessels. Filling systems. By-law 14.

Points to consider before installation.

Session 2

1.30

2.45

Operating sequence of combi boilers. Types of diverter valve.

3.00

5.00

Practical session. Operation of combis. Recognising various types and

parts

Session 3

9.00

10.30

Construction and operation of various combi boilers. Vaillant, Worcester , Chaffoteaux & Maurey, Baxi and Glowworm/Jaguar (Plumb Centre brand)

10.45

12.30

Installation, servicing and fault finding instructions.

Session 4

1.30

2.45

Installation requirements for combis. Pipe size, water pressure, flue requirements and electrical requirements.

3.00

5.00

Electrical wiring for combis. Wiring diagrams, clocks, programmers etc.

Session 5

9.00

10.30

Practical sessions. Safe use of Multimeters. Electrical safety checks.

10.45

12.30

Practical session. External wiring.

Session 6

1.30

2.45

Practical session. Commissioning.

3.00

5.00

Practical session. Servicing.

Session 7

9.00

10.30

Practical sessions. Servicing continued and component exchange.

10.45

12.30

Electrical components, internal circuitry, general fault finding.

Session 8

1.30

2.45

Practical sessions. Fault finding.

3.00

5.00

Practical session. Fault finding.

Session 9

9.00

10.30

Practical sessions. Fault finding continued.

10.45

12.30

Practical session. Fault finding continued.

Session 10

1.30

2.45

Practical session. Fault finding continued.

3.00

4.30

Practical session. Fault finding continued.

4.30

5.00

Course review. Close of course.