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Describes how the Fast Connect system controls heating and hot water functions.
Explains controller functions, cylinder requirements, and zone control for H&HW systems.
Explains the operational logic of multi-fuel systems, including weather compensation.
Verifies the required water flow rate in heating mode for correct operation.
Tests hot water flow and guides bypass valve adjustment if no hydraulic separator is used.
Covers filter cleaning, unit inspection, glycol checks, and operational tests.
Diagnosing and resolving problems like high running costs or incorrect heating signals.
Troubleshooting low hot water, immersion heater activation, and temperature measurement issues.
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General