Ariston Classico HE STD 150 User Manual

Unvented Controls(s)
Check controis 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.
Note!
Where there is a possibility of scale forming, it is recommended the
THERMOSTAT BE SET TO BELOW 60°C AND A SCALE REDUCER BE FITTED ON THE
INCOMING MAINS SUPPLY

Ariston Classico HE STD 150 Specifications

General

Brand	Ariston
Model	Classico HE STD 150
Category	Water Heater
Language	English