CONTENTS
SECTION 1 GENERAL AND SAFETY INFORMATION
General Information 2
British Standards and Codes of Practice 2
Health and Safety Regulations 1993 3
Effectiveness in Combating Legionellae 3
SECTION 2 TECHNICAL DATA 4
SECTION 3 INSTALLATION
Introduction 6
Location 6
Gas Supply - Natural Gas 7
Gas Supply - LPG (Propane or Butane) Gas 8
Electrical Supply 10
Flue Systems 11
Air Supply and Ventilation 17
Water Quality and Treatment 19
Water Connections 20
SECTION 4 COMMISSIONING
Filling the Heater with Water 24
Draining Water from the Heater 24
Lighting the Burner 24
Shutting Off the Burner 25
Checking Main Burner Pressure 25
Checking Pilot and Burner Flames 25
User's Safety Guide 26
SECTION 5 OPERATION
Operating Sequence 27
ECO (Energy Cut-Off) 27
Temperature Stratification (Stacking) 27
SECTION 6 SERVICING
Introduction 28
Pre-Service Operations 28
Annually 28
Six Monthly 28
Burner Assembly 29
Gas Control Valve 29
Magnesium Anodes 29
Combined Temperature and Pressure Relief Valve 30
Cleaning the Storage Vessel 30
Restart 30
SECTION 7 FAULT FINDING 31
SECTION 8 PARTS LISTS AND ILLUSTRATIONS 32
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