Bedienungsanleitung ACV Watermaster (Seite 38 von 54) (Englisch)

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* For UK specific requirements for the discharge from safety valves, refer to «G3 Require-

ments and Guidance - UK Only» on page 34

SAFETY INSTRUCTIONS FOR THE INSTALLATION

Essential recommendations for safety

• Install the appliance on level base made of non-combustible materials and of sufficient

strength to support its weight.

• Use extreme care not to drop the boiler or cause bodily injury while lifting or mounting

the boiler onto the base. Once mounted, verify that the appliance is safely set on its

base.

• Do not use or store any flammable or corrosive products, such as paint, solvents, salts,

chloride products and other detergent products near the appliance.

• Make sure that the condensate outlet is never obstructed and that a condensate

neutralisation system is installed if required.

• Make sure that all air vents are unobstructed at all times.

• In the event of small amounts of hot water repeatedly being drawn off, a stratification

effect can develop in the tank. The upper hot water layer may then reach very high

temperatures.

• Hot water can cause scalding! The temperature of the domestic hot water can be

adjusted up to 75 °C in the boiler. However, the temperature of the domestic hot water at

the drawing off point must comply with local regulations.

• The risk of developing bacteria exists, including “Legionella pneumophila”, ifaminimum

temperature of 60°C is not maintained in both the DHW tank and the hot water

distribution network.

• In order to avoid exposure to extremely hot water that can cause serious burns, never

leave children, old people, disabled or handicapped people in the bath orshower alone.

Never allow young children to turn on the hot water or fill their own bath.

• ACV recommends using a pre-set thermostatic mixing valve in order to provide hot

water at a maximum of 60°C.

Essential recommendations for the electrical safety

• Only an approved installer is authorized to carry out the electrical connections.

• Make sure that the appliance is connected to the earth.

• Install a 2-way switch and a fuse or circuit breaker of the recommended rating outside

the appliance, so as to be able to shut power down when servicing the appliance or

before performing any operation on it.

• Isolate the external electrical supply of the appliance before performing any operation

on the electrical circuit.

• This appliance is not intended for use by persons (including children) with reduced

physical, sensory or mental capabilities, or lack of experience and knowledge, unless

supervised or unless they have been given instruction concerning the use of the

appliance by a person responsible for their safety.

Essential recommendations for the correct operation of the appliance

• The connections (electrical, flue pipe, hydraulic) must be carried out in accordance

with local standards and regulations in force.

• The appliance must be installed in a dry and protected area, with an ambient

temperature comprised between 0 and 45°C.

• Install the appliance to ensure easy access at all times.

• To avoid any risk of corrosion, connect the stainless steel DHW production tank

directly to the earth.

• Make sure that the mains water used to fill the boiler has a minimum pressure of 1.2 bar.

• Make sure to install a pressure reducing valve set at 4.5 bar if the mains supply

pressure is in excess of 6 bar.

• The DHW circuit must be fitted with an approved safety group, comprised of a 7

bar safety valve, a check valve and a shut-off valve*.

• If works need to be performed (in the boiler room or close to the air vents), make

sure to turn off the boiler to prevent dust from entering and accumulating in the

boiler heating system.

General remark

• If the water drawing off point is far from the tank, installing an auxiliary DHW loop

can allow to get hot water more quickly at all times.

WaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • D

INSTALLATION

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