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This unit has a re-settable thermal cut-out. If the unit is not heating the water, first check the re-set button. This unit must be mounted upright with pipe connections at the top. To reduce operating costs and scale build-up, Hyco recommend the temperature is set at the lowest acceptable heat level.
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1. GENERAL The Hyco Speedflow is an unvented water heater designed for direct connection to the mains supply, and can service one or more outlets using ordinary taps. It is also suitable for connection to gravity fed systems. It is recommended that the Speedflow is fitted by an experienced installer familiar with unvented units.
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DIAGRAM A – Pressure below 4.2 bar No accessories needed DIAGRAM B – Cold draw off nearby Accessory SF1 needed to prevent expanded warm water entering cold water supply DIAGRAM C – Pressure above 4.2 bar Accessory SF2 needed to prevent pressure relief valve discharging constantly...
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DO NOT SWITCH HEATER ON IF IT IS SUSPECTED OF BEING FROZEN. GUARANTEE The Speedflow is guaranteed for 12 months against faults in manufacture. Hyco reserves the right to repair or replace faulty products. Incorrect installation and consequences of limescale deposits are excluded.
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