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SAFETY & REGULATIONS
SAFETY PRECAUTIONS & SYMBOLS 3
INSTALLATION REGULATIONS 3
APPLIANCE INFORMATION
GENERAL INFORMATION 4
TECHNICAL DATA 5
LAYOUT & COMPONENTS 6-7
PRE-INSTALLATION
CLEANING PRIMARY SYSTEMS 8
MAINS SUPPLY 9
WATER SYSTEMS & PIPEWORK 10
CONDENSATE PIPEWORK 11
PRESSURE RELIEF PIPEWORK 12
BOILER LOCATION & CLEARANCES 13-14
PLUMBING MANIFOLD 15
FLUE TERMINAL POSITIONS 16
FLUE OPTIONS 17
INSTALLATION
UNPACKING THE WALL FRAME 18
WALL MOUNTING TEMPLATE / FLUE OPENING 19
UNPACKING THE APPLIANCE 20
BOILER CONNECTIONS 21-22
FLUE INSTALLATION 23-25
CONDENSATE CONNECTIONS 26
ELECTRICS 27
POSITION OF WIRED COMPONENTS 28
COMMISSIONING
PRE-COMMISSIONING CHECKS 29
FILLING THE SYSTEM 30
STARTING THE APPLIANCE 31
WATER TREATMENT 32
COMMISSIONING 33
FINISHING COMMISSIONING 34
SERVICING & SPARES
INSPECTION AND SERVICE 35-40
REPLACEMENT OF PARTS 41-50
SETTING THE GAS/AIR RATIO 51
SHORT PARTS LIST 52
CONVERSION KITS
L.P.G. CONVERSION 53
FAULT FINDING & DIAGNOSIS
FAULT FINDING 54
CH FUNCTION 55
DHW FUNCTION 56
PROTECTION FUNCTION 57-58
BENCHMARK CHECKLIST
SERVICE INTERVAL RECORD SHEET
CONTENTS
CONTENTS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 24 i junior/28 i junior
8 716 107 336b (11/05)
2
SAFETY &
REGULATIONS
APPLIANCE
INFORMATION
PRE -
INSTALLATION
INSTALLATIONCOMMISSIONING
SERVICING
& SPARES
CONVERSION
KITS
FAULT FINDING
& DIAGRAMS