NEPTUN G
Compact, powerful water/water units (50–700 kW), using R454B. Reversible chillers and heat pumps, ideal for comfort and process applications, with high part-load efficiency.
Mode
Cooling and heating
Heating
Heating and cooling
Cooling capacity
59 - 792 kW
Installation
Indoor
Refrigerant
R454B
Refrigerant (Propane)
R454B
Heat exchanger
Plate heat exchanger
Fans
Compressors
Scroll compressor
Non-ferrous application
Optional
Advantages
- High efficiency in all operating conditions, with EER values up to 5.2 at full load, SEER up to 6.8 and SEPR HT up to 9.7 (NEPTUNE G HEX, pure chilled-water version)
- COP values up to 4.5 and SCOP LT up to 6.5 (NEPTUNE G HP heat-pump version)
- Low-GWP R454B refrigerant
- Wide operating range with hot-water production up to +65 °C at ambient temperatures down to -7 °C (dT ≤ 10 °C)
- Compact design (only 0.88 metres wide)
- Very low noise level (down to -8 dB(A) for the S version)
Technical Characteristics
- scroll compressor
- AISI 316 stainless steel brazed-plate evaporator, externally insulated, fitted with a differential pressure switch (supplied separately) and an electric anti-freeze heater
- Condenser: welded stainless steel plates, externally insulated, complete with differential water pressure switch (supplied separately)
- Microprocessor; - RS485 communication card
- Housing with galvanised base and pre-painted, powder-coated sheet metal (sizes up to 041)
- Housing with robust galvanised steel construction (sizes 042 to 192)
- Electronic expansion valve
Versions
Accessories
Options
- Automatic circuit breakers for compressors
- Refrigerant pressure gauge
- Phase-failure relay
- Housing with cladding panels
- Victaulic kit
- Soft start
- Shipping container KIT
- Automatic hydraulic pump switchover
- Leak detector
- Low water outlet temperature kit for operation below 0 °C (evaporator side)
- High water outlet temperature kit for operation up to 65 °C (condenser side)
- Ball valves in the pressure and liquid lines (only for versions without condenser)
Applications
Kit
Certifications
No items found.