Installation guide
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 12
Air Supply and Ventilation 18
Water Quality and Treatment 20
Water Connections 21
SECTION 4 COMMISSIONING
Filling the Heater with Water 25
Draining Water from the Heater 25
Lighting the Burner 25
Shutting Off the Burner 26
Checking Main Burner Pressure 26
Checking Pilot and Burner Flames 26
User's Safety Guide 27
SECTION 5 OPERATION
Operating Sequence 28
ECO (Energy Cut-Off) 28
Temperature Stratification (Stacking) 28
SECTION 6 SERVICING
Introduction 29
Pre-Service Operations 29
Annually 29
Six Monthly 29
Burner Assembly 30
Gas Control Valve 30
Magnesium Anodes 30
Combined Temperature and Pressure Relief Valve 31
Cleaning the Storage Vessel 31
Restart 31
SECTION 7 FAULT FINDING 32
SECTION 8 PARTS LISTS AND ILLUSTRATIONS 34
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