Italian boilers for gas heating of premises under the Beretta brand have rightfully earned popularity among consumers. We will consider what is the secret here, along the way we will give instructions for the Beretta gas boiler, and also indicate possible malfunctions of this technique.
Like every brand, the brand described stands out for its characteristic advantages. Here are the main ones:
The products are divided into several varieties of the lineup. As always, this is a complete variety to meet all customer needs. There are floor-standing, wall-mounted models with one and two circuits. This is the main division of the models.
Let's now try to figure out what are the technical characteristics of this equipment, because of which it is so popular. To do this, consider two specific models.
This device is designed for wall mounting, it has two heating circuits - heating and hot water circuits, with an open combustion chamber. What are the main advantages of this equipment? We indicate with the following list.
In order to understand how this unit works, we give a brief instruction on this wall-mounted Beretta double-circuit gas boiler.
In the original, the instruction for the wall-mounted gas boiler Beretta has an electrical, hydraulic diagram, possible malfunctions and a description of the installation rules with drawings. After eliminating minor problems, the boiler is started by the reset button.
The described device has some relative disadvantages. We list them below:
We have dealt with this model, and now we will study another model.
This equipment is also designed for wall mounting. There are also two circuits here, but the combustion chamber is closed, respectively, the smoke extraction is forced. Power is 24 kW, and the area of the heated room can reach 240 m2. The main best quality equipment is listed below.
As you can see, this model has functions similar to those of the previous model. Now we will give a short instruction manual for the described Beretta gas boiler.
It also lists error codes. That is, these are encrypted faults that the Beretta double-circuit gas boiler can show on the display panel. However, we will now talk about them in more detail.
To summarize, we made a pivot table for the two described models. The bottom line is this: boilers are roughly similar, and both are very attractive to consumers. This table is:
The table below includes information about the faults of one or another Beretta gas boiler that have occurred among consumers.
Let's write down what you can try to do in case of certain problems with your own hands.
These are the main problems that can be encountered when operating the described boiler equipment.
Heating boilers Beretta provide comfort and space heating at the same time. With the help of Beretta heating equipment, the required temperature regime will be maintained in the building and liquids will be heated for the needs of the consumer. The characteristics of Bosch heating equipment are described.
Boiler units can operate both on wood and gas. On the market today heating systems a large assortment of devices is presented, differing in power indicators, functionality and price. Based on your desires and the thickness of your wallet, you can choose a suitable heating device for your home.
The main advantages gas appliances Beretta:
Boilers gas type Beretta are used for both natural and forced circulation circulation of the coolant in the heating system. They have burners made of "stainless steel" with a low noise floor.
Adjustment of the level of the working light of the device can be carried out by both a piezoelectric and an electric element.
The equipment manufactured by Beretta can operate from the network, or it may not need electricity at all, which is a significant plus for Russia:
Beretta equipment has a high efficiency rate of 97% and meets European quality standards.
Today on Russian market the following types of gas-type Beretta boilers are provided:
Instruments with 2 circuits capable of performing two functions simultaneously:
The most popular in Russia are models of boiler equipment related to wall-mounted Beretta gas-type heating boilers with two heating circuits.
The following models of Beretta gas boilers are in demand:
Gas heating equipment Beretta meets all international quality standards. Gas boilers have not only high level wear resistance, but also boast ease of use.
For example, in order to set up a gas boiler, it will be necessary to smoothly and evenly adjust the power of the device. Determine the required flame rate on the burner, as well as check the gas supply.
Make sure that the gas pressure is correct.
Nothing is perfect, because any device can fail, even a Beretta gas boiler. The most common breakdown during operation heater consider a failure gas burner or lowering the gas pressure level.
Beretta Ciao 24 CSI are wall-mounted gas boilers with forced flue gas exhaust and air intake, designed for heating and production hot water household purposes.
The main components and functionality of the wall-mounted boiler Beretta Ciao 24:
Microprocessor board that controls inputs, outputs and alarms.
Electronic modulation provides smooth power regulation in DHW mode and heating.
Electronic ignition with ionization type flame control.
Smooth automatic ignition.
Built-in gas pressure stabilizer.
Device for presetting the minimum water temperature in the heating circuit.
OFF-RESET switch for restart after stopping by alarm, selection of Summer mode, selection of Winter mode, heating circuit temperature controller.
DHW temperature regulator.
NTC sensor for monitoring the temperature in the heating circuit.
NTC sensor for monitoring the temperature in the DHW circuit.
Circulating pump with auto-air valve.
Automatic by-pass of the heating circuit.
Coaxial heat exchanger for heating the heating water and DHW.
Expansion tank 7 L (24 CSI), 8 L (28 CSI).
Heating system make-up tap.
Pressure gauge for monitoring the water pressure in the heating system.
Space for a 24 V room thermostat.
The Beretta Chao boiler has been prepared for connecting the following accessories: an outdoor temperature sensor, which allows the function of weather-dependent regulation, a remote control.
Anti-jamming function of the circulation pump, which is activated automatically every 24 hours after the last pump cycle.
Closed combustion chamber.
Flame control device, ionization type, in the event of a loss of flame, it shuts off the gas supply and gives a light signal.
Hydraulic pressure switch that controls the water pressure in the heating circuit.
Limit thermostat that controls the boiler overheating.
The smoke exhaust pressure switch, which monitors the operation of the fan and the smoke exhaust system.
Safety relief valve 3 bar, installed in the heating circuit.
Frost protection.
Fig. 1. Assembly parts for wall mounted boilers Beretta Ciao 24 CSI
1 - Boiler filling valve, 2 - Safety valve, 3 - System drain valve, 4 - Circulation pump, 5 - Auto air vent, 6 - Ignition transformer, 7 - Burner, 8 - Ignition-flame detection electrode, 9 - Limit thermostat , 10 - Heat exchanger, 11 - NTC sensor of the DHW circuit, 12 - Fan, 13 - Tube for measuring vacuum, 14 - Flange flue gas, 15 - Smoke exhaust pressure switch, 16 - Expansion tank, 17 - Heating circuit NTC sensor, 18 - Gas valve, 19 - Hydraulic pressure switch, 20 - Flow sensor
Fig. 2. Hydraulic circuit gas boiler Beretta Ciao 24
1 - Water inlet from the water supply system, 2 - Water outlet to the DHW circuit, 3 - Direct heating system pipeline, 4 - Heating system return pipeline, 5 - Drain valve, 6 - Safety valve, 7 - Circulation pump, 8 - Auto air vent, 9 - Expansion tank, 10 - Heating circuit NTC sensor, 11 - Heat exchanger, 12 - Burner, 13 - DHW circuit NTC sensor, 14 - Hydraulic pressure switch, 15 - Bypass, 16 - Flow limiter, 17 - Flow sensor, 18 - Filter, 19 - the make-up valve
Installation of gas boilers Beretta Ciao 24 CSI
Beretta Chao boilers do not use air from the room in which they are installed during operation. Therefore, there are no additional ventilation requirements for these rooms. Various configurations of flue gas extraction and air intake are possible for this type of boiler.
For correct installation wall-mounted boiler Beretta Ciao 24, it must be borne in mind that:
It must not be installed over a stove or other cooking equipment;
It cannot be installed in residential areas;
It is forbidden to store flammable substances in the room where the boiler is installed;
If the wall is sensitive to heat (for example, wooden wall), it must be protected with suitable thermal insulation.
In order to be able to access the inside of the unit for routine maintenance, during installation, leave a minimum distance to walls and objects.
The device is supplied with a mounting bracket as standard.
To install the Beretta Ciao 24 CSI boiler, follow the steps below:
Fasten the bracket to the wall and use a spirit level to check that it is in an ideal horizontal position.
Mark the top holes (6mm diameter) that are needed to secure the bracket.
Make sure that all dimensions are accurate, then use a drill with a drill, the diameter of which is indicated above, make holes in the wall.
Attach the bracket to the wall using wall plugs.
Electrical connection of boilers Beretta Ciao 24 CSI
The connection to the mains supply must be made through a separate circuit breaker with a contact gap of at least 3 mm. The boiler is powered by 230V 50Hz alternating current.
The consumed electric power of the boiler is:
100W (Ciao 24 CSI)
- 120W (Ciao 28 CSI)
To access the terminal block, follow these steps:
- Turn the main switch to the off position.
- Unscrew the screws that hold the cladding.
- Slide the cladding base forward and upward to detach it from the frame of the Beretta Ciao 24 boiler.
- Unscrew the screw securing the instrument panel.
- Pivot the instrument panel towards you.
- Remove the cover that covers the terminal block.
- Pass the power cable and the room thermostat that you want to connect.
The room thermostat has a safety low voltage input (24 V D.C.). The ground wire should be a couple of centimeters longer than the others. It is forbidden to use gas and / or water pipelines as grounding for electrical appliances.
The manufacturer cannot be held responsible for any possible damage that may be caused by a lack of grounding of the boiler. If you need to replace the power supply wire, use HAR type H05V2V2-F, 3 x 0.75 mm2, maximum outer diameter 7 mm.
Gas connection to the wall-mounted boiler Beretta Ciao 24 CSI
Before connecting the Beretta Chao boiler to the gas network, make sure that:
Applicable standards have been complied with;
The type of gas corresponds to that for which the device is designed;
The gas pipeline is cleaned of dirt.
In order to avoid unnecessary pressure losses, the gas connection must be made with a rigid connection with a diameter of at least ¾ ’. Before the gas enters the boiler, a shut-off valve must be installed (not included in the scope of delivery).
We recommend installing an appropriately sized filter on the gas line if the gas line contains foreign particles. After completing the installation, check the tightness of the connections in accordance with the current installation standards.
Filling the heating system
After completing the hydraulic connections, you can proceed to filling the heating system. This operation must be performed with a cooled system.
To fill the system, carry out the following sequence of actions:
Unscrew the air vent cover two or three turns.
Make sure that the inlet valve is cold water open.
Open the filling valve and keep it open until the pressure on the pressure gauge reaches a value between 1 and 1.5 bar.
When the system has finished filling, close the make-up valve.
An automatic air separator is installed on the Beretta Ciao 24 boiler, so no additional operations are required to release air from the system.
The burner will only ignite if the venting phase has been completed.
Flue gas removal and air intake
The Beretta Chao boiler must be connected to coaxial or separate chimneys and air ducts, which must be led out through the roof or outer wall.
Effective and safe operation is only guaranteed if original flue and air ducts are used for units with a closed combustion chamber.
This equipment is not included in the standard package and is supplied by separate order. When installing chimneys and air ducts, make sure that all connections are made correctly, in accordance with the attached instructions.
It is allowed to connect several boilers to one collective chimney, provided that all of them have a sealed combustion chamber.
Firing up the gas boiler Beretta Ciao 24 CSI
To ignite the Beretta Ciao 24 boiler, you must perform the following operations:
Switch on the power supply to the unit.
Open the gas cock in front of the device.
Set the mode switch to the required position:
Summer mode: the boiler will be in standby mode until a request for heating water in the DHW circuit appears.
Winter mode: set the switch inside a zone divided into segments, in this case the boiler will start operating in heating mode and when a signal appears, it will automatically switch to the DHW heating mode.
Set the room thermostat to the desired value (approx. 20 ° C).
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OPERATION AND REPAIR OF BOILERSAdjusting the maximum and minimum power for the DHW circuit
- Fully open the hot water tap.
- set the switch to Summer mode.
- set the temperature regulator in the DHW circuit to the maximum position.
- Turn the main switch to the on position to turn on the electrical power to the Beretta Ciao 24 CSI boiler.
- Make sure that the pressure displayed on the pressure gauge is stable; alternatively, take a milliammeter, connect it in series with the modulator and make sure that the maximum available current is supplied to the modulator (120 mA for G20 gas and 165 mA for LPG).
- Remove the protective cap from the adjusting screws on gas valve gently prying it off with a screwdriver.
- Using a standard CH10 spanner, turn the maximum power adjusting nut to obtain the desired pressure.
- Disconnect one terminal from the modulator.
- Wait until the displayed pressure value on the pressure gauge has stabilized at the minimum level.
- Using a screwdriver or special wrench, turn the red minimum power adjustment screw so that the required pressure value is displayed on the pressure gauge.
- Connect the terminal back to the modulator.
- Close the hot water tap.
- Carefully and carefully slide the protective cap back onto the adjusting screws.
Electronic regulation of the minimum and maximum power of the Beretta Chao boiler in heating mode
The electronic regulation function is enabled and disabled only with a jumper (JP1). The control panel will blink green and red alternately.
This feature can be enabled in one of the following ways:
- It is possible to supply power to the board when jumper JP1 is installed and the mode switch is in the winter position, regardless of whether there are any requests to operate in another mode or not.
- By installing jumper JP1, the operating mode switch must be in the "winter" position, and there must be no current demand for heat production.
When this function is activated, the burner is ignited, due to the fact that the demand for heat production for the heating system is simulated.
Follow the instructions below to complete the setup procedure:
- Switch off the Beretta Ciao 24 CSI boiler.
- Remove the cover to gain access to the electronic board.
- Install jumper JP1, the knobs located on the control panel will begin to perform the functions of adjusting the minimum and maximum power in heating mode.
- Make sure that the operating mode selector is in the winter position.
- Switch on the power supply to the unit. The electronic board is energized (230 volts).
- Turn the temperature control knob in the heating circuit until the minimum value gas pressure for heating mode.
- Install jumper JP2.
- Turn the DHW temperature control knob until the maximum gas pressure for heating mode is reached.
- Reconnect the pressure compensation connection to the air sampling chamber.
Disconnect the pressure gauge and tighten the screw on the pressure gauge connection.
To exit setup mode without saving the setpoints, do one of the following:
Set the mode switch to the (OFF) position.
Disconnect the power supply.
Remove jumper JP1 / JP2.
The setting mode ends automatically, and the minimum and maximum values are not saved, after 15 minutes after its activation.
The setting mode ends automatically also in the event of a preliminary or final emergency stop. In this case, the specified parameters will also NOT be saved.
To set only the maximum power in heating mode, you can remove the JP2 jumper (in order to save the maximum), then exit the setting mode without saving the minimum, for which set the operating mode switch to (OFF) or turn off the power supply to the boiler. Beretta Ciao 24. After every change in the gas valve setting, place a seal on it.
At the end of the adjustments:
- Return the temperature set on the room thermostat to the required value.
- Set the water temperature regulator in the heating system to the required value.
- Close the panel with monitoring and control devices.
- Refit the casing.
Maintenance of Beretta Ciao 24 CSI boilers
In order for the Beretta Chao boiler to operate reliably and efficiently, it must be systematically maintained at regular intervals.
The frequency of maintenance depends on the specific installation and operating conditions, but in any case it is recommended that a qualified service technician does the maintenance at least once a year.
In case of repair or maintenance of structures located near the chimney and / or devices for removing flue gases and their components, turn off the device, and after completing the work, a qualified technician must check the operation of the boiler.
Before carrying out any cleaning or maintenance operations on the boiler, set the operating mode switch to the OFF / RESET position and turn off the main switch and shut off the gas supply line using the valve installed in front of the appliance.
With the planned maintenance of the Beretta Ciao 24 CSI boiler, the following operations are performed:
Removal of oxides from the burner;
Descaling inside the heat exchanger (if necessary);
Checking and general cleaning of chimneys and air ducts;
Examination appearance unit;
Diagnostics of ignition, shutdown and operation of the Beretta Ciao 24 CSI boiler, both in DHW mode and in heating mode;
Checking the tightness of connecting adapters and pipelines for connecting gas and water;
Checking gas consumption at maximum and minimum power;
Control of the position of the ignition electrode - flame detection;
Diagnostics of the safety device actuation in case of gas failure;
Checking combustion parameters
To perform an analysis of combustion products, perform the following sequence of actions:
- open the hot water tap to the maximum.
- set the mode switch to the "summer" mode.
- set the temperature regulator in the DHW circuit to the maximum value.
- Unscrew the screw on the cover that covers the flue gas sampling port for analysis and install the gas analyzer probe.
- Switch on the electric power supply to the boiler.
The boiler will operate at maximum power, which will allow the analysis of combustion products. After completing the measurements, close the hot water tap, remove the gas analyzer probe and close the fitting used for sampling combustion products for analysis by carefully tightening the screw that was previously removed.
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OPERATION AND REPAIR OF BOILERS
