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Session 1
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9.00
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10.30
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Introduction. Enrolment. Aims of the course. Open and sealed systems.
Advantages of sealed systems.
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10.45
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12.30
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Operation of sealed systems. Expansion vessels. Filling systems. By-law 14.
Points to consider before installation.
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Session 2
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1.30
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2.45
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Operating sequence of combi boilers. Types of diverter valve.
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3.00
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5.00
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Practical session. Operation of combis. Recognising various types and
parts
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Session 3
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9.00
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10.30
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Construction and operation of various combi boilers. Vaillant, Worcester , Chaffoteaux
& Maurey, Baxi and Glowworm/Jaguar (Plumb Centre brand)
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10.45
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12.30
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Installation, servicing and fault finding instructions.
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Session 4
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1.30
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2.45
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Installation requirements for combis. Pipe size, water pressure, flue requirements
and electrical requirements.
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3.00
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5.00
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Electrical wiring for combis. Wiring diagrams, clocks, programmers etc.
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Session 5
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9.00
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10.30
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Practical sessions. Safe use of Multimeters. Electrical safety checks.
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10.45
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12.30
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Practical session. External wiring.
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Session 6
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1.30
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2.45
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Practical session. Commissioning.
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3.00
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5.00
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Practical session. Servicing.
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Session 7
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9.00
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10.30
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Practical sessions. Servicing continued and component exchange.
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10.45
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12.30
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Electrical components, internal circuitry, general fault finding.
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Session 8
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1.30
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2.45
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Practical sessions. Fault finding.
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3.00
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5.00
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Practical session. Fault finding.
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Session 9
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9.00
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10.30
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Practical sessions. Fault finding continued.
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10.45
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12.30
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Practical session. Fault finding continued.
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Session 10
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1.30
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2.45
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Practical session. Fault finding continued.
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3.00
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4.30
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Practical session. Fault finding continued.
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4.30
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5.00
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Course review. Close of course.
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