Bedienungsanleitung Ariston Clas HE R (Seite 29 von 64) (Englisch)

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COMMISSIONING

Initial preparation

Ariston Thermo UK Ltd Ltd support the benchmark initiative.

On pages 59 and 60 of this manual the Benchmark Commissioning

Checklist and Service interval Record can be found. It is important

that this is completed in the presence of your customer, they are

shown how to use it, and it is signed by them. Please instruct your

customer that they must have this manual with them whenever

they contact a service engineer or us.

Preliminary electrical system checks to ensure electrical safety must

be carried out by a competent person i.e. polarity, earth continuity,

resistance to earth and short circuit.

Electricity supply

- Check that the voltage and frequency of the electricity supply

correspond to the data shown on the boiler data plate;

- Make sure that the earthing connection is eﬃcient.

Filling the Heating System:

Close all air release valves on the central heating system;

Open system

Fill the boiler system via the feed and expansion tank.

Sealed system

Gradually open the valves at the filling point (filling loop) until water is

heard to flow, do not open fully;

Open each air release tap starting with the lowest point and close them

only when clear water free of air is visible;

Inspect the system for water tightness and remedy any leaks discovered.

Gas Supply:

Inspect the entire installation including the gas meter and test for

tightness. The entire installation should be in accordance with the

relevant standards. In GB this is BS 6891 and in IE this is the current

edition of I.S.813.

The connection on the the appliance is a 15mm (22mm on 38Kw)

nut and olive located at the rear of the gas service cock.

If the gas supply serves other appliances, ensure that an adequate

supply is available both to the boiler and the other appliances

when they are in use at the same time.

Pipe work must be of an adequate size. The final pipe size must not

be smaller than the appliance inlet size.

Pipe work must be of an adequate size. Pipes of less than 22mm should not

be used, final connection being 15mm.

Open the gas isolating valve (supplied with the connection kit) to the

appliance and check the gas connection on the appliance for leaks.

Water Treatment:

The boiler is equipped with a stainless steel heat exchanger.

The detailed recommendations for water treatment are given in

BS 7593:2006 (Treatment of water in domestic hot water central

heating systems); the following notes are given for general

guidance;

If the boiler is installed on an existing system, any unsuitable

additives must be removed;

Under no circumstances should the boiler be fired before the

system has been thoroughly flushed; the flushing procedure must

be in line with BS7593:1992.

Firstly fill the central heating system with the power off, and

flush through cold, fill the central heating system again, adding a

flushing detergent, run the boiler on central heating until it reaches

its operating temperature and flush the system, refill the system

with a suitable corrosion inhibitor,

Note: FAiluRe to cARRy out the FlushiNg pRoceduRe will Result iN the wARRANty

becomiNg void.

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