Ariston ST 100 ProTech Petunjuk Pemasangan, Servis, dan Penggunaan - Halaman 4

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2.3

elivery

The factory fitted temperature & pressure relief valve at the top of the

cylinder is a safety device to back-up the thermostat(s) and thermal cut-

out(s). It works by sensing an excess in water temperature or pressure and

releasing the hot water into a discharge tundish and drain.

The cylinder will only work in the vertical position. The inlet pipe needs to

deliver cold water to the bottom of the tank. When water is heated it expands.

To accommodate this increase in volume an expansion vessel is provided. A

cold water combination valve is also provided in two pieces, loose jointed for

ease of installation. These comprise a combined line strainer/pressure

reducing valve and core non-return valve/expansion relief valve.

The Ariston range of Unvented Cylinders are available in the following

options:

The Wall-hung ProTech cylinder (100 litre model), which is supplied as

follows;

One box containing;

1) The cylinder with factory fitted temperature & pressure relief valve,

immersion heater and thermostat with thermal cut-out.

One box containing;

1) Unvented control pack (expansion vessel, 2 piece cold water combination

valve and tundish), instructions for installation, servicing and use

including the Benchmark Log Book).

The STD and STI floor standing range (125, 150, 200, 300 and 500 litre

models) and the ITD and ITI floor standing range (80*, 130, 150, 215, 255*

and 305 litre models) are supplied as follows;

One box containing;

1) The cylinder with factory fitted temperature & pressure relief valve,

immersion heater(s) and thermostat(s) with thermal cut-out(s), cylinder

thermostat with thermal cut-out (indirect only).

2) Unvented control pack (expansion vessel, 2 piece cold water combination

valve and tundish), motorised valve (indirect only, non-high temperature),

expansion vessel mounting bracket, instructions for installation, servicing

and use including the Benchmark Log Book.

The ITSI twin coil floor standing range (215, 255 and 305 litre models) are

supplied with the following;

One box containing;

1) The Cylinder with factory fitted temperature & pressure relief valve,

immersion heater and thermostat with thermal cut-out, cylinder

thermostats with thermal cut-outs.

2) Unvented control pack (expansion vessel, 2 piece cold water combination

valve and tundish), 1 x motorised valves (non-high temperature),

expansion vessel mounting bracket, instructions for installation, servicing

and use including the Benchmark Log Book.

* ITI only