Please use the form to order printed copies of the document you selected. When your order has been processed we will email you a reference number and you will receive your document within seven days. Please provide at least one Unit number, Building name or House Number.. View and Download Worcester GREENSTAR HE combi Series installation and servicing instructions online. Wall mounted condensing boiler for central heating and mains fed domestic hot water.
The following diagrams show the wiring options for your system. Any other combinations of wiring are not rec-ommended as it would increase complexity of the sys-tem.. Safety instructions in this document are identified by a warning-triangle sym-bol and are printed on a grey back-ground. Notes containing important information are identified by the symbol shown on the left. They are bordered by horizontal lines above and below the text.