Advance Appliance SFUTS 300 Manual de instalação e do utilizador - Página 3

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INTRODUCTION

The Advance Universal Thermal Store linking system is a major step forward in the design and

operation of thermal store systems, allowing for a number of heat inputs to work together for

a fully flexible vented or sealed central heating and mains pressure hot water system.

OPERATION

Traditional boilers can be used to heat the thermal store (or heat bank as it is sometimes

called). Any boilers used in conjunction with this product should be provided with a boiler

thermostat and energy cut out set such that under no circumstances can the primary flow

temperature exceed 100°C.

If there is any possibility of gravity circulation from the boiler then consideration should be

given to fitting a zone valve and by-pass on the boiler flow circuit wired to close once the

store temperature thermostat is satisfied. This also prevents boiler over-run reducing the

temperature of the store.

Other appliances can be used by feeding the flow and return into different positions on the store.

These tappings can be used for low input devices such as solid fuel stoves, heat pumps, biomass,

cookers and so on. The bottom coil is for a solar input, but can also be used for other suitable

inputs. Two 3kw immersion heaters are fitted, a low position 3kw immersion heater which can

assist on extremely low temperature days and a mid position one for hot water boost if needed.

Central heating is drawn from side tappings.

Insulation on this store is excellent, 60mm thick, foam injected with a smart outer case.

The store is capable of working up to 3 bar pressure, making it suitable for all heating

circuits, including underfloor, either sealed or open systems.

Hot water is supplied through an efficient internal heat exchanger at mains pressure for fast,

safe hot water delivery and is controlled by a pre-plumbed fitted manifold with blending valve

and shock arrestor fitted for easy installation.

Note: Units operate at 75°C and heat pumps cannot be the prime heating source.

We can only offer general advice regarding external appliances and fittings. The first rule is

Solar and Ancillary inputs

to follow manufacturer's instructions. Use the sensor pockets to control the inputs on the

store, and use the top pockets as overheat protection for solar and solid fuel installations.

In summer - the solar season can run from April to September - wood burners, boilers and

other inputs other than solar should not be necessary, as solar input should exceed the

likely hot water requirements during this season. You can set the solar control to 80 degrees

in the tank, giving ample hot water for domestic needs. An extra pocket is fitted into the

store for solar over heat protection.

In installations where the thermal store is sited above the solar collector panels then if gravity

circulation is possible through the solar pump an additional zone valve may be required.