Bedienungsanleitung Cointra SUPREME B (Seite 13 von 24) (Englisch, Französisch, Portugiesisch, Spanisch)

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SUPREME B

cod. 3541D620 - Rev. 00 - 02/2013

3. INSTALLATION

3.1 General Instructions

THE WATER HEATER MUST ONLY BE INSTALLED BY QUALIFIED PERSONNEL, IN

COMPLIANCE WITH ALL THE INSTRUCTIONS GIVEN IN THIS TECHNICAL MANU-

AL, THE PROVISIONS OF CURRENT LAW, THE NATIONAL AND LOCAL REGULA-

TIONS, AND THE RULES OF PROPER WORKMANSHIP.

3.2 Place of installation

This unit is an “open chamber” type and can only be installed and operated in perma-

nently ventilated rooms. An insufficient supply of combustion air to the water heater will

affect its normal operation and the evacuation of fumes. Also, the fumes forming in these

conditions are extremely harmful to the health if dispersed in the domestic environment.

Make sure the room where the unit is to be installed meets all the conditions required by

the Current Regulations.

In any case, the place of installation must be free of dust, flammable materials or objects

or corrosive gases.

Place the water heater as close as possible to the hot water taps, near the sink, but NEV-

ER above a cooktop. It must also be located as close as possible to the flue or the place

from where the fume exhaust pipe starts.

If the unit is enclosed in a cabinet or mounted alongside, a space must be pro-

vided for removing the casing and for normal maintenance operations.

3.3 Plumbing connections

Important

Before making the connection, check that the unit is arranged for operation with

the type of fuel available and carefully clean all the system pipes.

Carry out the relevant connections according to the cover diagram and the symbols giv-

en on the unit .

System water characteristics

In the presence of water harder than 25° Fr (1°F = 10ppm CaCO

), use suitably treated

water in order to avoid possible scaling in the water heater.

3.4 Gas connection

The gas must be connected to the respective union (see figure on cover) in conformity

with the current regulations, with a rigid metal pipe or with a continuous flexible s/steel

tube, installing a gas cock between the system and water heater . Make sure all the gas

connections are tight.

3.5 Fume duct

The diameter of the connecting pipe to the flue must not be less than that of the connec-

tion on the anti-backflow device. Starting from the anti-backflow device it must have a

vertical section at least 50 cm long. The current regulations must be respected regarding

the dimensioning and installation of the flues and connection pipe.

The water heater has a safety device (fume thermostat) that stops unit opera-

tion in case of poor draught or obstruction of the flue. This device must never

be tampered with or deactivated.

3.6 Solar system operation mode

At the unit's cold water inlet there is a contact thermostat (set at 45°C) for controlling the

solar system water temperature. This thermostat prevents lighting of the burner when the

inlet temperature is higher than the set thermostat temperature.

A thermostatic mixing valve must be installed at the DHW outlet to prevent water at high

temperatures from being drawn.

The temperature of the solar system water to the unit must always be under 60°C.

3.7 Flue gas control device (T.T.B.)

The water heater's T.T.B. safety device ensures proper evacuation of the flue gases;

therefore its operation must not be excluded and no uncontrolled operation must be car-

ried out on it. In case of anomalies in the evacuation of flue gases, the device stops the

gas supply to the burner.

If the water heater activates the T.T.B. at startup, check the burnt gas outlet, checking

evacuation with a mirror cooled with water or any other device suitable for this purpose.

In case of replacement, only use original spare parts.

The T.T.B. device must only be replaced by qualified personnel, proceeding as follows:

- Remove the faulty T.T.B., loosening the two screws that secure it.

- Fit a new original T.T.B. device.

- Secure the T.T.B. device without forcing the screws.

- Check proper operation.

In case of intervention of the T.T.B. stop the drawing of hot water and wait a few minutes

so that the thermostat can cool down. The waiting time required depends on ambient

conditions and the type of installation.

In case of repeated intervention by the T.T.B., it is necessary to eliminate the problem by

taking the appropriate measures and contact the After-Sales Technical Service.

Any operation on the T.T.B. device by unqualified personnel is absolutely forbidden.

4. SERVICE AND MAINTENANCE

All adjustment, commissioning and periodical inspection operations described below

must only be carried out by Qualified Personnel (meeting the professional technical re-

quirements of the current regulations).

FERROLI declines any liability for damage and/or injury caused by unqualified and un-

authorised persons tampering with the unit.

4.1 Adjustments

Gas conversion

Conversion to a gas different from the factory setting must be done by

and authorised technician, using original parts and in compliance with

the regulation in force in the country of installation.

The unit can work on natural gas or LPG and is factory-set for use with one of these two

gases, as clearly shown on the packing and data plate. Whenever the unit has to be used

with a different gas, the special conversion kit will be required, proceeding as follows:

fig. 5

• Disconnect the ignition electrode cable.

fig. 6

• Remove the adjustment knobs

• Undo the two screws and remove the cover

Cointra SUPREME B Seite 13

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