The Italian company Hiref is a leading manufacturer of precision equipment. These climate systems are designed to round-the-clock maintain the required temperature level in server and similar premises. A correctly selected Hiref cabinet air conditioner will ensure the normal operation of high-precision equipment, it is able to automatically change parameters depending on external factors.
The main line of air conditioners and products
A feature of the design and production of such climate technology is the accurate calculation of system components, maximum automation and easy maintenance. To solve these problems, the company has developed several product lines in which each precision air conditioner meets certain requirements.
Overview of climatic equipment for server and telecommunications facilities by model:
- Nrg. Features - the presence of an inverter unit, the use of R-410A refrigerant. The first improves performance, the second - does not harm people and the environment. Power - from 3.2 to 89.3 kW.
- Treff. These models are designed to serve large rooms. An option with a remote capacitor is possible. For some installations, double cooling is used to maximize the desired room temperature. Power varies from 22.1 to 236, 1 kW.
- Jref. As a cooler can use water from a central water supply. Complete with filter drier. The cabinet cooling unit is relatively small. It is possible to use it as inter-row, to optimize the space in the room. Power - from 5.9 to 22.2 kW.
- HRC. Designed for cooling systems with high energy density. There is a point impact mode, accessibility to all units of the unit for further maintenance. The manual is understandable to users, does not require special knowledge or skills. Power - from 3 to 44.7 kW.
- HTW / HTWD. It is a monoblock unit, designed for outdoor installation. A common version - with air supply up. Lower supply is possible if the distance between the sources of supply and recirculation air is at least 1.7 m. Power - from 4.5 to 29.1 kW.
- Hts. This is a split system consisting of two blocks - external and internal. To improve performance, in addition to the compressor of the outdoor unit, the system is equipped with an evaporator located in the indoor. Advantages - adjustable blinds for air flow distribution, ducted version. Power - from 2.7 to 37.9 kW.
In addition to the climate equipment assembly, the company manufactures built-in coolers that can be integrated into other systems. It is important that the installation of the air conditioner was carried out according to the instructions, the operating rules were observed.
Many models have the function of connecting a GSM modem for remote control and receiving SMS alerts about the current state of the system.
Comparison of the characteristics of popular models
Such climate systems are selected after careful engineering calculations - the required conditioning characteristics, operating modes are determined. An important factor is the design features, dimensions and weight.
It is important to determine the basic requirements that a specific Hiref model will meet. A precision air conditioner is selected according to the following parameters:
- Air supply - top or bottom.For some series, it is possible to change this option, but only if certain conditions are met.
- Operating modes - cooling, humidification, heating.
- Maximum and minimum permissible outdoor temperature. Usually this parameter varies from + 50 ° С to -30 ° С.
- Type of installation - external, internal or combined.
- The number of heat exchangers and coolants.
- Type of assembly - between rows, cupboard or hanging.
As an example, you can analyze the parameters of the most popular models.
| Model | TREF -0311 | NRG-0241 | HTS-145 |
| Assembly type | Cupboard | Cupboard | Suspension |
| Cooling power | 30,9 | 24,4 | 14,3 |
| Power consumption | 9 | 7 | 4 |
| Air consumption | 7280 | 6800 | 3200 |
| Number of compressors | 2 | 1 | 1 |
| Weight | 401 | 375 | 106 |
| Cost | 1050 thousand | 750 thousand | 830 thousand |
The table shows approximate prices, since the cost may vary depending on the configuration. You can find out all the specifications and possible delivery options on the official website of the manufacturer.
Instructions for the control panel and air conditioners Hiref
To control the system, you can use the remote control for the air conditioner, which is supplied as standard. But this is not always convenient for the user, and therefore, alternative options have been developed. In addition to remotes, the company offers comprehensive control and monitoring systems.
Overview of monitoring and control devices:
- 4.3 ”touch screen. Designed to connect to the control unit. It is characterized by a simple and intuitive interface, a graphic visualization of current parameters is developed.
- HiWeb. It works with all well-known Internet browsers. It saves the alarm history, it is possible to configure electronic mailing for five users. With it, you can make a modification of the current parameters. The maximum number of variable values is up to 20 pcs.
- HiNet. More advanced monitoring service. There is a GPRS module with the ability to connect a SIM card. Simultaneous management of ten units of HVAC equipment. Automatic data transfer to the cloud server. Setting up personal access control.
The latest monitoring service will be the best option for large telecommunications companies or server centers.
To adapt to specific equipment, you will need not only instructions for air conditioners, but also the services of a specialist. Otherwise, incorrect operation is possible.
Hiref Air Conditioner Error Codes
Since the company's climate systems are complex, automatic programs have been developed to identify malfunctions and malfunctions. First of all, self-diagnosis. If a failure was detected as a result of the check, certain error codes appear on the information screen.
To avoid malfunctions, you should adhere to the following recommendations:
- perform correct installation according to the manufacturer's rules;
- carefully read the user manual before use;
- do all maintenance activities specified in the manual;
- in case of problems inform the service center.
Due to the complexity of the equipment, do-it-yourself repairs are strictly prohibited. Allowable actions are carried out in consultation with the representatives of the manufacturer or their authorized dealers.
User reviews
Due to the specifics of climate systems, it is difficult to find consumer reviews. But on the basis of information taken from specialized forums and similar resources, the following advantages can be distinguished:
- reliability of work:
- maximum automation;
- remote control capability.
The disadvantages include only the high cost of components.
In general, the climatic equipment of this manufacturer has established itself as reliable, with the ability to flexibly customize the system to the requirements of users.
In the video you can get acquainted with the features of one of the company's models:
