Overview of GREE air conditioners: error codes, comparison of inverter cassette, channel and mobile systems

Trademark of Gree Electric Appliances, Inc. The company was founded in 1989 in Zhuhai (China). Started its activity with the manufacture of small window and vent systems for air ventilation. The modern name and brand appeared in 1991. The company is one of the world's leading developers and the largest manufacturer of HVAC equipment in the world and sets many standards in this area. The Gree brand (sometimes pronounced griyas) is known both for its own final products, and as the largest OEM supplier (components and assemblies for other companies).

Production and main structures (research center, laboratories, headquarters) are located in China. In addition to five Chinese plants, equipment production was launched in four more countries: Brazil, Vietnam, Pakistan, and the USA. Universal production: ready-made systems, spare parts, components on order, etc. An open business model is the production of custom equipment for other corporations that sell similar equipment. In particular, the release of equipment for the well-known company DAIKIN.

The main produced air conditioning systems

They produce all types of existing climate systems: domestic, semi-industrial and industrial (including very precise, precision equipment). There are several types of household air conditioners: window, mobile air conditioners, wall split systems, and some multi split systems. One of the attractive features is a large warranty period from 3 to 5 years.

Wall split systems

Multiple series: Bee (Techno, Plasma, Silver, White, Gold), Bora, Cozy (Inverter), Artful, Viola, Lomo, U (POEM, CROWN, Cool), Beauty, Change (Artic, DC Inverter), Smart and etc. Perhaps this is the widest range of air conditioners in the framework of wall split systems from all available on the market.

You can pick up for every taste, color and technical specifications. There is a winter set of models designed to work at very low outdoor temperatures up to -30ºС. Ultra-thin indoor units (U series) are available - thickness 159 mm. Furthermore, the noise level is 21 dB. Are calculated on the area from 20 to 100 sq.m. The cooling efficiency of large areas with a single unit decreases. Self-cleaning systems, a set of different filters.

The main control is carried out from the remote control. The “I feel” function (orientation on the location of the remote control) is basic. To protect against children, there is a lock mode (buttons on the blocks, too, until you unlock it with the remote control).

All air conditioners support four main operating modes: cooling, heating, drainage, ventilation.

Multi split systems

Common name for composite kits. It is an outdoor unit with a single compressor and several internal units connected to it (up to 4). Various types of equipment can act as indoor units: wall, cassette, columned, floor or ceiling.

It has a limit not only in the number of connected units, but also in power (each unit and total). The control of indoor units is independent or separately dependent (only some of the parameters are independent). The total area served by one system is up to 100 sq.m.

Cassette, window and mobile conditioners

Cassette air conditioners are a semi-industrial type of ceiling indoor unit. Connect to a universal outdoor. Differs in small thickness (23 cm.). Sometimes used as a household air conditioner.

Monoblock window systems are easy to install and maintain.The cooling area is from 20 to 38 sq.m. Manual control, work only in cooling and ventilation modes.

Mobile air conditioners are convenient if you need to periodically service different rooms. The main mode of operation is cooling. The area of ​​the cooled room is up to 30 sq.m.

In addition to the types presented, series of industrial systems are also available. Columned, floor-to-ceiling, ducted air conditioners, multizone systems (vrf, vrv). Among the floor-ceiling can be distinguished corner. The original design and placement of the corner air conditioner is captivating, but its efficiency is lower due to the distant location. Recommended service areas up to 40 sq.m.

Comparative characteristics of several models

For comparison, we give the characteristics of several models of home systems.

Model GWH12ACB-K3NNA1A GWH09NA-K3NNB3A GWH07NA-K3NNB3A
Power (cooling / heating), W 1012/941 810/780 690/660
Area, sq.m 35 26 22
Temperature during cooling, ºС +18 – +43 +18 – +43 +18 – +43
Temperature during heating, ºС -7 – +24 -7 – +24 -7 – +24
Noise level, dB 42 27 27
Weight of blocks (internal / external), kg 9/35 10/34 10,5/26
Cost, rub. 31 000 – 35 000 20 000 – 30 000 17 000 – 25 000

Installing a Gree air conditioner of any model is not complicated, but requires professional skills. In some cases, installers must have the appropriate certificate to maintain the warranty.

Instructions for the control panel and air conditioners GREE

Remote control to the Gree air conditioner allows you to configure various functions, temperature comfort of the apartment. Due to the wide variety of equipment manufactured by the company, it is difficult to identify any specific features. It can be noted that the company, following the stated principle of “Philosophy of Perfect Gree Air Conditioner”, is trying to find a balance between functionality and simplicity in each development. So in simple systems there is no complicated setting, nor is there the possibility of more smooth manipulations of comfort, economy and other things (for example, taking into account street temperature).

The instruction for Gree air conditioners contains a description of the operating modes of a particular product and is developed individually for it. Those. not a universal instruction for all air conditioners at once.

Error codes for air conditioners GREE

Gree air conditioner error codes are usually provided in the user manual. With the exception of a few of the simplest floor models, all equipment has a built-in self-diagnosis system. Errors are displayed on the remote and duplicated on the indoor unit. Decryption of codes makes troubleshooting much easier. The description is standardized for the same type of classes and is the same for classic start-stop systems and for systems with an inverter. For cassette decryption codes different.

In domestic air conditioners, the error can be duplicated by the flashing of indicators (general, cold, heat) every 3 seconds. The number is determined by the number of flashes.

For a more accurate diagnosis, it is recommended to restart if a malfunction occurs. It is best to completely disconnect from the network for some time, while paying attention to the fact that separate blocks can have different connections and it is necessary to disconnect the entire set. Removing food is enough for a few minutes. If after this a malfunction is displayed, it is recommended to contact a specialized center and do not dismantle the equipment yourself. The equipment is complex, after an independent “disassembly”, an expensive professional repair of the Gree air conditioner may be required. Moreover, the installation of outdoor units can end badly (they are quite heavy and are installed at high altitude).

User reviews

Since the model range of climate systems is very extensive, you can find a wide variety of reviews. Let’s try to summarize the main points, leaving out the features of different models, to include only the characteristic features inherent in the brand.

Most often, in the shortcomings, users mark the price. Proprietary equipment branded at a cost higher than similar equipment from third-party companies, although produced at the same plants.

The remaining disadvantages noted by customers are most likely specific to specific specimens and are not characteristic of the entire product line of the company:

  • inconsistency of power and serviced area (technical data in the instruction manual);
  • in a classic look looks rustic;
  • uninformative display and buttons;
  • airflow can only be adjusted manually;
  • frequent maintenance - filter cleaning.

Benefits include value for money. There are inexpensive monoblock systems in a simple case and elite multisplit inverter air conditioners with ceiling placement of indoor units or on the wall.

Is it worth taking a branded item? At a slightly higher price, there are more quality guarantees.

Heating

Ventilation

Sewerage