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Legal installation requirements by Gas Safe Engineer/RGII, adhering to regulations.
Details on earthing, voltage, fusing, and isolation for safe operation.
Boiler prioritizes DHW heating while also supplying central heating.
Boiler fires periodically to maintain DHW preheated condition, or on demand.
Adjusting DHW temperature via thermostat knob, affected by draw-off rate.
Adjusting central heating radiator temperature via thermostat knob.
Procedures for turning off the boiler for short or extended periods.
Measures to prevent freezing during absence, including system draining.
Function of the overheat thermostat and fault code indication.
Response to flame failure, fault code display, and reset procedure.
Checks for no power, ignition attempts, or specific fault codes displayed.
Diagnosing problems like overheat, TRV interference, or low system pressure.
Addressing issues like DHW demand without a tap open or periodic firing.
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General