Operation; Usage - Beretta Fonte 11 AE Manual De Instalación, Uso Y Mantenimento

III – SUBSTITUTION OF THE MODULATION VALVE
- Loosen the cold water entry ramp nut on the exchanger
- Remove the 4 screws (B) of the gas valve (fig. 13)
- Disconnect the microswitch's cables
- Separate the water/gas valve set
- Extract the large spring and the small spring/modulation valve
set (fig. 14)
- Substitute the modulation valve with the one in the kit
- Insert the valve and the large spring making sure that the drilled
spring guide disk is in the correct position (fig. 15)
- Remount the diffuser attaching it to the upper hole
- Remount the pilot flame
IV – DISABLING THE GAS ADJUSTER
- Remove the protective cap
- Regulate the supply calibration screws so that the maximum
amount of gas can pass (disk completely horizontal)
After regulating seal the lid with paint, lacquer or other such
materials.
Note: It is necessary to use a pressure regulator that operates at
30 mbar for Butane Gas and at 37 mbar for Propane Gas.
The above values must be measured using a barometer con-
nected to the devices pressure entrance.
TRANSFORMATION FROM LPG TO METHANE GAS
Execute operations I, II and III described above
IV – ENABLING THE GAS ADJUSTER
- Remove the protective cap
- Regulate the pressure screws so that the burner reaches the
pressure levels indicated on the technical data on page 3.
Note: ensure that the gas pressure is at 20 mbar.
After regulating seal the lid with paint, lacquer or other such
materials.
Check that all the disassembled parts are perfectly sealed
once the device is operational using a soapy solution.
WARNING – IMPORTANT Write on adhesive paper "device
transformed", including the date of the operation, the name
and signature of the person who performed the transforma-
tion and attach it to the device near the older information
plate. In addition attaché the "Transformed Gas to..." sticker.
Attach it to the device over the previous similar sticker, on the
frontal part of the hood.
3. OPERATION (Fig.16)
A =
Gas economizer on/off
•
off position
minimum gas level
maximum gas level
B = water temperature selector
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3.a Function
The water heater is used for the production of instant hot water.
The removal of hot water can be preformed by multiple taps.
By turning on the relative tap, the main burner switches on heating
the water that passes.
These devices with a modifiable flame are particularly suited for
usage with mechanical mixers and thermostats.
This water heater, in contrast with other water heaters with a fixed
flame, has a modulation valve to optimise the water heaters opera-
tion. It allows for the water to be heated using less water pressure
and gas by modulating the flame according to the amount of water
used, maintaining the water extracted at a constant temperature.
The water heater uses automatic variation that is "PROPOR-
TIONAL", able to change the gas consumption (modulating
the flame) to respond to the amount of water extracted.
This device is equipped with an electronic tool that is powered by
a 1.5 V battery that automatically switches on the pilot flame and
then the burner every time that hot water is extracted.
The flame is switched on using a card that ionizes the flame.
Model 11: for the extraction of 2.5 to 5.5 l/m the temperature of the
water supplied remains at 60°C, (in this case the has valve sup-
plies the burner with the necessary quantity of gas proportional to
the water supplied), above 5.5 l/m to 11 l/m the water temperature
varies from 60°C to 40°C.
Model 14: for the extraction of 2.5 to 7 l/m the temperature of the
water supplied remains at 60°C, (in this case the has valve sup-
plies the burner with the necessary quantity of gas proportional to
the water supplied), above 7 l/m to 14 l/m the water temperature
varies from 60°C to 40°C
3.b Usage
Ensure that the gas tap and all water taps are switched off
- Turn on the Main gas supply tap or that of the gas tank if using
- Open the gas tap, not supplied with the device, placed imme-
- Rotate knob A towards the large flame (ON
- when hot water is requested, the device automatically turns on
- when the hot water request has terminated (turning the water
If after 60 seconds it does not switch on, the flame detector inter-
rupts the flow of gas and blocks the device.
To reuse the device after it has been blocked, close the hot water
extraction tap and then reopen it to restart the sequence.
If the main burner accidentally switches off, the device will attempt
to turn it on again.
If within 60 seconds the device does not function it is blocked.
13
Liquefied Petroleum Gas (L.P.G.)
diately before the water heater on the gas input pipe
when the small flame is reached it is necessary to press lightly
while turning until it reaches its destination.
the pilot flame, this lights the main burner.
tap off) the burner automatically switches off, the device then
awaits another heating request.
FONTE 11-14 AE
), during rotation,