Hotpoint-Ariston FAST R ONM 10 (3632311)
 | Outdated Product 6 200 ₴ Type: tankless; Energy source: gas; Power source: energy independent; Performance (Δt ~25 °C) (L/min): 10; Heating elements: 1; thermostat; overheat protection; gas control; Pipe connection: bottom; Dimensions (cm): 55x32.5x21; |
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Catalog Hotpoint-Ariston 2024 - new products, best sales and most actual models Hotpoint-Ariston.
Accumulative electric boilers are good, I do not argue. But if it is impossible to additionally load the electrical network, as in my case, then you have to look for other ways of heating. I decided that I would use gas. Yes, it's not cheap, but since there is no other alternative, I bought just such a flow model. Such a device is the best way to quickly get a lot of hot water. Unlike storage boilers, a high temperature is obtained in just a few seconds. The water performance is decent, from 15 degrees at the inlet to 50 at the outlet it can heat about 8 liters per minute. The maximum temperature reaches 85 degrees, that is, almost boiling water. For household needs (bath-shower + water supply for the kitchen), this temperature and amount of water is enough. All control, but you can control the speed of the water flow and the power of the burner, purely mechanical, no electronics. Even the electric ignition system is powered by two large LR20 alkaline batteries, that is, the heater is completely non-volatile from the mains. There are all safety systems - protection against overheating and gas control, which prevents gas leakage in the event of flame extinction. Unlike a storage electric boiler, hot water cannot be turned on in a thin stream here. That is, of course, you can turn it on, but the boiler will not work, it turns on only at a certain pressure, which is slightly less than average. So it turns out that the consumption of both water and gas is often excessive. Another such instantaneous water heater is sensitive to water hardness and in my conditions requires mandatory annual cleaning and this will have to be done by inviting specialists, which means additional expenses. Natural draft to remove combustion products requires competent arrangement of the chimney, it also took a lot of money. |
When there is no centralized hot water supply
Wall-mounted gas "flow" Hotpoint-Ariston FAST R ONM 10 is designed to organize uninterrupted hot water supply to residential premises in the absence of a centralized DHW supply. The model, measuring 55x32.5x21 cm and weighing 8.9 kg, has a rectangular shape, traditional for this class of water heaters, and fits perfectly into the gap between kitchen cabinets or in the free space of the wall. Please note that the body of the device can reach temperatures of up to 85 °C, so close proximity to furniture panels without proper thermal insulation or the required gaps is undesirable. The steel case of the device is painted with white enamel, and a grey plate of the mechanical control panel is installed at the bottom of the front wall. The device operates only on main natural gas (flow rate up to 2.1 m3/h), providing pressurized supply of hot water (up to 10 L/min). The device is mounted vertically and connected to a system of natural removal of combustion products with a diameter of 110 mm.
Less pressure — hotter water
The heart of the device is a copper heat exchanger with a heating power of 20 kW, through which cold water passes through the tubes. The heating power and the outlet water temperature have the intensity of gas combustion by the burner (10 nozzles) and are adjusted by a mechanical rotary regulator. And the amount of water flow is set by the rotary handle of the flow. At the same time, the stronger the water pressure, the lower its temperature will be, since the increased volume does not have time to quickly warm up in the flow mode. Therefore, in order to obtain a comfortable temperature, it is recommended not to set the maximum value of the water flow. Unfortunately, this model lacks a display to control the heating temperature. For electronic ignition of a gas burner, this model uses alkaline batteries LR20 in the amount of 2 pcs.
Switching on at low water and gas pressure
The water heater is distinguished by a design adapted to east european operating conditions with low threshold values for the inlet pressure of gas and water at which it is able to operate: the minimum values are 0.15 bar (water) and 1 mbar (gas). The maximum gas pressure at the inlet of 8 mbar does not go beyond the standard values, but the peak value of the water pressure of 10 bar distinguishes this model from classmates. The device received a security system, including only thermal protection against overheating and a thrust sensor. After an emergency automatic shutdown, the water heater can be restarted after 10 minutes, which are necessary to cool the device or ventilate the room. This model is manufactured at the company's Chinese factory and comes with a 2-year manufacturer's warranty.