CONTENTS
PAGE
3
SECTION 1 GENERAL AND SAFETY INFORMATION
General Information 4
British Standards 4
Health and Safety Regulations 1993 5
Legionellae in Water Heaters 5
SECTION 2 TECHNICAL DATA
Standard Range 6
Hi-Flo Range 7
SECTION 3 INSTALLATION
Introduction 8
Draught Diverter 8
Location 8
Gas Supply 9
Electrical Supply 10
Flue Systems 12
Air Supply and Ventilation 14
Water Quality and Treatment 16
Water Connections – Hydrojet System 17
Vented Systems, Standard Range 18
Correx Powered Anodes 20
Unvented Systems, Standard Range 22
Vented Systems, Hi-Flo Range 24
Unvented Systems, Hi-Flo Range 27
SECTION 4 COMMISSIONING
Standard Range 30
Hi-Flo Range 32
SECTION 5 OPERATION
Standard Range 39
Hi-Flo Range 39
SECTION 6 SERVICING
Introduction 40
Burner Assembly, Standard Range 40
Burner Assembly, Hi-Flo Range 40
Gas Control Valve, Standard Range 41
Gas Control Valve, Hi-Flo Range 41
Flue Ways 41
Cleaning the Storage Vessel 42
Magnesium Anode(s) 42
Safety Valve 42
SECTION 7 REPLACING COMPONENTS, Hi-Flo RANGE
Gas Control Valve 44
Burner 44
SECTION 8 FAULT FINDING
Permanent Pilot Models - Standard and Hi-Flo Range 45
All Models 46
Auto Ignition Models, Hi-Flo Range 47
SECTION 9 PARTS LISTS AND ILLUSTRATIONS
Standard Range 49
Hi-Flo Range 50
Unvented Systems Kit 54
24V Auto System Kit 56
APPENDICES HI-FLO AUTO IGNITION "G" SERIES ADDENDUM 58