Ariston 500 STD UK Istruzioni per l'installazione Manuale - Pagina 18
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3.
COMMISSIONING
Check for obvious signs of damage to the cylinder and controls and also that
the controls fitted correspond with the references quoted in these
instructions.
Ensure that the Drain Cock at the base of the appliance is closed before
commencing.
1) Ensure that the ProTech anti-corrosion system is connected to the
electrical supply (Contract and Comfort models only);
2) Open all outlet taps;
3) Turn on mains water supply and allow the water heater to fill;
4) Close taps in turn after having purged the system of air;
5) Check for leaks around the controls and immersion heaters and again
after the unit has heated up;
6) Check that no water is passing to waste through the relief valves;
7) Test the operation of the temperature & pressure relief and expansion
valves by lifting/turning the manually operated test lever/cap and
observing that water flows through freely and safely to waste;
8) Check that the discharge pipe is plumbed so that it falls continuously
and that no taps, valves or other shut off devices are installed in the
pipe;
9) Check that all thermostats are set at 60°C;
10) DIRECT UNITS. Switch on immersion heater(s) and allow unit to heat
up. Check operation of Thermostat(s);
11) INDIRECT UNITS. Fill the indirect (primary) circuit following the boiler
instructions. Switch on the boiler, ensure that the programmer is in the
domestic hot water position. Allow unit to heat up and check operation of
indirect thermostat on motorised valve(s);
12) Demonstrate operation to user, including operation of temperature &
pressure relief valve and what to do if it operates;
13) Give this manual to the user to retain for future reference and make the
customer aware that periodic checks of the equipment are essential for
safety.
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