Fault Finding - Wet Central Heating Systems Domestic 1st Edition - Revised 2019 (PDF)

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About the book:

Publisher: CORGIDirect

Place of Publication: United Kingdom

Pages: 111

Edition: 2019

Language: English

Size: 33 Mb

Content:

Foreword

Introduction 3

Scope 3

Legislation 3

Basic Fault Finding - 1

Fault finding 9

Electrical Testing - 2

Safe Isolation 15

Test equipment 15

Electrical testing 19

Wiring diagrams 23

System plans 23

Wiring diagrams of Y and 'S' plans 24

Wiring of a frost thermostat 27

Interchangeability guides 27

Quick fault finding guides 30

Stored hot water systems - 3

No hot water or heating 39

Hot water faults - 4

Stored hot water 43

Instantaneous hot water 45

Central heating problems - 5

Other faults - 6

Corrosion and system design 59

Flushing central heating systems 62

Circulating pumps - general points 63

Horizontal pipework 64

Circulating pump head 64

System design 66

The Three Tee rule 72

Sealed systems 74

Weather compensation/optimum start 74

Operation of 3 port mid-position valves

(Honeywell Y Plan) 77

’Smartfit' systems 77

Boiler fault finding - 7

General operation 8 3

Definitions - 8

Definitions 87

References - 9

Control manufacturers/suppliers 91

Organisations 92

Statutory and Normative documents relevant

to gas work 95

Installation standards relevant to domestic gas work 96

Uklpg 98

Institution of Gas Engineers and Managers (IGEM) - Utilization Procedures 99

CORGIDirect Publications - 10

Gas- Domestic 103

Gas- Non Domestic 104

Electrical 105

Plumbing 105

Renewables 105

Business 105

Introduction 3

Scope 3

Legislation 3

The Health and Safety at Work Etc Act 1974 (HSWA) 3

Electricity at Work Regulations 1989 (EWR) 4

Electricity Safety, Quality and Continuity (Amendment) Regulations 2009 (ESQCR) 5

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