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WebCentral Heating Repair for diagnosing and fixing a faulty system. Motorised Valves Contents 1 Zones 1.1 Always-on/Bathroom radiators 2 Zone control configurations 2.1 One zone 2.2 CH and DHW zones: Y-plan 2.3 CH and DHW zones: S-plan 2.4 Multiple heating zones: S Plus-plan 2.4.1 Bypass Valves 2.5 Gravity DHW: C-Plan 2.6 DHW priority: W … WebApr 6, 2010 · When commissioning the system the boiler should be fired with the bypass fully closed on full service, that is, central heating and domestic hot water. The system should then be balanced, adjusting the pump and lockshield valves as necessary to achieve flow rates, refer to Section 2.4 (*). earth song wizard chan download
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