Ariston AQUABRAVO ITSI 255 Instructions For Installation, Servicing And Use - Page 28

Browse online or download pdf Instructions For Installation, Servicing And Use for Water Heater Ariston AQUABRAVO ITSI 255. Ariston AQUABRAVO ITSI 255 36 pages. Unvented hot water storage cylinders

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unvented controls(s)

Check controls as per the following:

1) Line strainer - with the water supply turned off remove screen from

strainer and clean of any detritus;

2) Expansion vessel - with the water supply turned off and taps open, check

expansion vessel pressure and top up as necessary;

3) Temperature & pressure relief valve - with the water supply turned on,

check manually by lifting the test lever/turning the test knob (ensure valve

closes after testing);

4) Expansion relief valve - check manually by turning the test knob (ensure

valve closes after testing);

5) Discharge pipes (D1) - from both temperature & pressure relief and

expansion relief valve for obstructions;

6) Tundish & discharge pipe (D2) - open either valve gradually to produce a

full bore discharge into tundish and D2 without any back pressure;

7) Pressure reducing valve - check that the correct outlet pressure is being

maintained by recording the pressure at an in-line terminal fitting i.e. tap.

thermostats

Ensure that all thermostats adjusted for the correct temperature setting, this

should be between 60 and 65°C.

After servicing, complete all relevant sections of the Benchmark Checklist

located on page 35 of this manual.

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