Ariston GL 2.5 Panduan Pengguna - Halaman 6

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Halaman Cetak

Floor

Heater can sit on floor.

Mounting

Pipe

Connect the cold water inlet pipe to the inlet nipple (marked with a blue ring) and the hot

connections

water outlet pipe to the outlet nipple (marked with a red ring).

CAUTION

To reduce the risk of excessive pressures and temperatures in this water heater, install

the supplied temperature and pressure protective equipment required by local codes

but not less than a combination temperature and pressure relief valve certified by a

nationally recognized testing laboratory that maintains periodic inspection of

production of listed equipment or materials, as meeting the requirements for Relief

Valves and Automatic Gas Shut-off Devices for Hot Water Supply Systems, ANSI

Z21.22. This valve must be marked with a maximum set pressure not to exceed the

marked maximum working pressure of the water heater. Install the valve in the opening

provided and marked for this purpose in the water heater, and orient it or provide

tubing so that any discharge from the valve will exit within 6 inches above, or at any

distance below, the structural floor, and cannot contact any live electrical part. The

discharge opening must not be blocked or reduced in size under any circumstances.

Closed

Periodic discharge of the temperature and pressure relief valve or failure of the

element gasket may be due to thermal expansion in a closed water supply system.

system

The water utility supply meter may contain a check valve, backflow preventer or water

thermal

pressure reducing valve which will create a closed water system. During the heating

expansion

cycle of the water heater, the water expands causing pressure inside the water heater

to increase. The temperature and pressure relief valve may discharge hot water under

these conditions which results in a loss of energy and a build-up of lime on the relief

valve seat.

To prevent this from happening, there are two recommendations:

1. Install a diaphgram-type expansion tank that is suitable for potable water on the

cold water supply line. The expansion tank must have a minimum capacity of 1.5

U.S. gallons for every 50 gallons of stored water.

2. Install a 125 PSI pressure relief valve in the cold water supply line. Make sure the

discharge of this valve is directed to an open drain and protected from freezing.

Contact the local water supplier or plumbing inspector for information on how to

control this situation. Do not plug the temperature and pressure relief valve.

Instructions for use

Before connecting the power, fill the tank and system with water and check for leaks.

Starting and

To be certain that all air is out of the water system, open the hot water faucets on your

testing

fixtures until constant water flows from them otherwise damage to the element may

occur.

To start the heating cycle:

A) first make sure tank is full. Otherwise the heating element may be damaged.

B) the red light will come on and remain on until that temperature has been reached,

at which point the light will go off, but will automatically come back on when the

water temperature drops below the setting chosen.

Temperature

After installation check the water temperature. If adjustment is necessary remove front

cover to adjust thermostat D (fig. 3/5 - clockwise to increase the temperature and

Setting

anticlockwise to decrease it).

To reach the thermostat lift the plate V using a thin screw-driver operating on point W

(fig. 3/4). Unscrew the screw below and lift the cover C. When reassembling work in

the opposite way being careful to insert first the tongue of the cover into the slot.