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EXT GW heat pumps are the latest products of our firm dedicated to the European market.
The innovative design solutions developed by our engineers make the GW series belong to the global leaders of the sector.

Depending on the needs and individual preferences of our Clients, you can select out of three classes of products.

ECONOMY
Based on modern cooling systems, basic automatic controls and functions; with a Siemens RWR controller.

OPTIMAL
A high class series of products based on the best available cooling components with developed automatic controls and superior design; with a Carel controller and a PDG1 panel.

PRESTIGE
The top class of products offered by our firm, custom-made for very demanding clients; with a Carel controller and a PDG Touch panel.

Every unit is fitted with compressors (Hitachi, Daikin or Panasonic), plate heat exchangers (SWEP AISIN 316) made of stainless steel, expansion valves (Alco Thermal, Emerson), Emerson filters, automatic control systems and controllers (Siemens, Carel).
The housing has been soundproofed with sound absorbing material; therefore, Exotherm heat pumps are characterised by quiet operation.
SCROLL compressors are mounted on special shock absorbers that minimise vibrations and provide complete user comfort.
The applied controllers give an option to combine the automatic controls of the device with Internet; owing to this solution, an owner and the headquarters of the firm may check the correct operation of the system and forecast and detect any irregularities in operation even at long distances, which is very convenient, particularly during a warranty period.
The Exotherm company reserves make technical changes without prior notice.

GW models are available with the following power:

EXT7GW/ 7KW
EXT9GW/ 9KW
EXT10GW/ 10KW
EXT12GW/ 12KW
EXT13GW/ 13KW
EXT15GW/ 15KW
EXT20GW/ 20KW
EXT26GW/ 26KW
EXT30GW/ 30KW

The GW series is additionally distinguished by the following characteristics:

• a superb design
• very high quality of manufacturing
• the housing made of stainless ground steel
• sound-proofing of the housing with the Soft Silent technology
• a modern automatic control system
• available product classes
• a user-friendly interface
• the option to serve and operate the system over the Internet with PCs or portable devices: tablets and smartphones
• the development option in cascades up to 400kW
• the natural cooling option
• the available connection with the ‘smart home’ systems
• the operation in monovalent and bivalent systems
• the high safety of operation
• the function of stable heating of concrete screed in floor heating
• original Thermika + controller software
• a warranty extension option

Siemens and Carel controllers applied in Exotherm pumps feature a number of temperature and central heating operation controls with:

• fixed heating water temperature
• a so-called heating curve, i.e. the smooth change of heating water temperature depending on the ambient air temperature
• a weather station and a heating curve

Each and every Exotherm heat pump comes with the so-called hot service water priority.

In order to provide the safety of the electrical and gas system operation, the following solutions are applied:

• 380V phase error sensors
• 380V phase decay sensors
• liquid flow sensors (optional)
• zasilanie sterownika 24 volt
• complete diagnostics and the memory of alarms and errors
• a separate automatic control fuse
• pgas pressure barostats
• a water antifreeze function
• the option to control other heating devices
• the option to install a cooling function, i.e. ‘heating and cooling in one’.
• soft starts (optional)
• the option to control and diagnose the system over the Internet

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