Worcester GREENSTAR 25Si Installation & Servicing Instructions Manual

51, Worcester GREENSTAR 25Si REPLACEMENT OF PARTS 29. Plastic protection device  Ensure the system is fully drained (see draining the appliance).  Disconnect all pipes connected to the pump housing.  Remove the electrical connection to the pump.  Withdraw the metal clip to the right of the pump head to rele…

58, Wait 5 seconds IGNITION SEQUENCE (see detail) PREHEAT AND DHW FUNCTION NO YES POWER SWITCH ON Tap open (recognised by flow turbine) Diverter valve in DHW position Pump ON. BLUE LIGHT ON BURNER LIT? Fan to start speed. Stop spark. Wait 10 seconds 5th attempt? LOCKOUT Fan (& gas) mo…

19, E F A B C C D G UNPACKING WALL FRAME AND ANCILLARY ITEMS INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 25Si/30Si 8 716 107 337b (11/05) 18 INSTALLATION 1 2 3 A - Straps B - Outer carton C - Installer pack D - Bottom panel E - Wall mounting frame F - Wall temp…

28, ELECTRICS CAUTION: ISOLATE THE MAINS ELECTRICITY SUPPLY BEFORE STARTING ANY WORK AND OBSERVE ALL RELEVANT SAFETY PRECAUTIONS Mains supply to the boiler must be through a fused double pole isolator situated adjacent to the appliance. The isolator must have a contact separation of 3mm minimum…

35, FINISHING COMMISSIONING The boiler has been factory set, so there should be no need to adjust any controls. REPLACE OUTER CASING: 1 Replace outer casing making sure that the securing points are properly located.  Replace top two screws (A).  Retighten bottom two screws (B). INSTALLIN…

41, Q INSPECTION AND SERVICE INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 25Si/30Si 8 716 107 337b (11/05) 40 SERVICING & SPARES INSPECTION AND SERVICE 8 L M N 0 P R 8 Remove burner (L).  Remove top baffle (M).  Remove baffle (N).  Remove the two hexagon h…