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Worcester Manuals
Boiler
GREENSTAR 25Si
Installation and servicing instructions
Worcester 25Si Installation And Servicing Instructions page 11
Wall mounted combination boilers for central heating and mains fed domestic hot water
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:
Installation, commissioning and servicing instructions
(76 pages)
,
Instruction manual
(65 pages)
,
User instructions
(21 pages)
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Fig. 12. Functional flow diagram.
Outputs
Inputs
DHW control knob
CH Control knob
Electronics/
microprocessor
CH pressure adjust pot
(Safety Low Voltage)
Gas valve mode switch
Reset button
Convert AC to low
voltage electronics
Electronics
Fan
Pump
Electronics
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