Worcester Greenstar 12i System ErP Instruction Manual

59, PROTECTION FUNCTION Boiler temperature below 8°C Run autofroststat function Pump antiseize Pump run 5 seconds every 24hrs FAULT FINDING & DIAGRAMS INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 12i/24i System 8 716 115 167b (03/2009) 59 PROTECT FUNCTION …

64, BOILER CONNECTIONS CAUTION: ISOLATE THE MAINS GAS SUPPLY BEFORE STARTING ANY WORK AND OBSERVE ALL RELEVANT SAFETY PRECAUTIONS. A B Handling Hole Do not lift by the air gas manifold. 7 C 5 8 6 Stop in locked position 6 & 8 22mm washer 15mm 22mm D GAS AND WATER CON…

52, REPLACEMENT OF PARTS 24. Bypass valve  Remove the Hydraulic block from the boiler (See Removing the Hydraulic Block). 24.1 Remove the two spring clips at either end of the copper bypass pipe.  Undo the screw securing the left hand plastic housing to the heat exchanger  Move the housing…

41, 4 Remove electrical connector from fan. 5 Undo and remove securing nut (H) from the top of the heat exchanger. 6 Remove retaining plate (I). 7 Rotate fan and air/gas manifold assembly (J) around the top of the heat exchanger until it stops at the lug.  Lift up assembly and …

36, 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).  Re-tighten bottom two screws (B). 2. F…

3, Worcester Greenstar 12i System ErP SAFETY & REGULATIONS INSTALLATION & 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 WAT…