SAFETY & REGULATIONS
INSTALLATION AND SERVICING INSTRUCTIONS 2
SAFETY PRECAUTIONS & SYMBOLS 4
INSTALLATION REGULATIONS 4
APPLIANCE INFORMATION
GENERAL INFORMATION 5
TECHNICAL DATA 6
LAYOUT & COMPONENTS 7
PRE-INSTALLATION
CLEANING PRIMARY SYSTEMS 9
MAINS SUPPLY 10
WATER SYSTEMS & PIPEWORK 11
CONDENSATE PIPEWORK 12
PRESSURE RELIEF PIPEWORK 13
BOILER LOCATION & CLEARANCES 14
PLUMBING MANIFOLD 16
FLUE OPTIONS 17
FLUE TERMINAL POSITIONS 18
INSTALLATION
UNPACKING THE WALL FRAME 20
WALL MOUNTING TEMPLATE / FLUE OPENING 21
UNPACKING THE APPLIANCE 22
BOILER CONNECTIONS 23
FLUE INSTALLATION 25
CONDENSATE CONNECTIONS 28
ELECTRICS 29
POSITION OF WIRED COMPONENTS 30
COMMISSIONING
PRE-COMMISSIONING CHECKS 31
FILLING THE SYSTEM 32
STARTING THE APPLIANCE 33
WATER TREATMENT 34
COMMISSIONING 35
FINISHING COMMISSIONING 36
SERVICING & SPARES
INSPECTION AND SERVICE 37
REPLACEMENT OF PARTS 43
SETTING THE AIR/GAS RATIO 55
SHORT PARTS LIST 56
CONVERSION KITS
L.P.G. CONVERSION 57
FAULT FINDING & DIAGNOSIS
FAULT FINDING 58
CENTRAL HEATING FUNCTION 59
PREHEAT AND DHW FUNCTION 60
PROTECTION FUNCTION 61
BENCHMARK CHECKLIST
SERVICE INTERVAL RECORD SHEET
CONTENTS
CONTENTS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 24 i junior/28 i junior
8 716 115 166b (03/2009)
SAFETY &
REGULATIONS
APPLIANCE
INFORMATION
PRE -
INSTALLATION
INSTALLATIONCOMMISSIONING
SERVICING
& SPARES
CONVERSION
KITS
FAULT FINDING
& DIAGRAMS