AIR-TO-WATER CHILLERS – NEMESIS KWS
nemesismodular
Modular air-to-water chillers
101-1664 kW(up to 8 modules)
Documentation
Specifications table
Documentation
Commercial documentation
Available languages:
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Ecodesign
▸ Ecodesign Manual COMFORT KWS
▸ Ecodesign Manual COMFORT KWS
Modular
Version designed for modular installation with Victaulic pipe connections for easy and quick interconnection.
Up to 8 modules ->101-1664 kW
Adaptation and Environment
- Modular chillers to facilitate installation adaptation, allowing module access through doors and elevators.
- Series condensing pressure control for year-round operation.
- Adaptability to the installation with a wide range of models.
- Maximum accessibility and easy maintenance through removable panels.
Energy Efficiency
- High energy efficiency at partial and full load, reducing operating costs.
- Tandem multiscroll for improved seasonal energy efficiency.
- Electronic fans and electronic expansion valve for minimal energy consumption.
- Units with a hydraulic group can incorporate high-performance electronic pumps.
Specifications table
General characteristics
SINGLE
MODULAR
Refrigerant
R454B
✓
✓
Equipment with refrigerant charge
✓
✓
R452B or R410A refrigerants
●
●
Leak detection
●
●
Bodywork
Self-supporting bodywork/cabinet made of galvanised steel with oven cured polyester paint treatment
✓
✓
Customized color to suit the needs of the installation
●
●
Non-paneled enclosure
✓
✓
Perimeter fencing (1)
●
●
Anti-vibration supplements
●
●
Compressors
Multiscroll technology in tandem
✓
✓
Compressor anti-vibration mounts
✓
✓
Soft starter
●
●
Acoustic insulation jacket
●
●
Original high-performance acoustic insulation jacket from the manufacturer
●
●
Expansion valves
Electronic expansion valves
✓
✓
Thermostatic expansion valves
●
●
Fans
SINGLE
MODULAR
Outdoor fans
Axial fans with AC technology and inverter (only available for 11xx models)
✓
✓
Condensation pressure control
✓
✓
Axial fans with EC technology (only available for 11xx models)
●
●
High-capacity EC axial fansModels 11xx
●
●
High-capacity EC axial fansModel 1240
✓
✓
Curved external nozzles (only available with high-capacity EC fans)Models 11xx
●
●
Curved external nozzles (only available with high-capacity EC fans)Model 1240
✓
✓
Axitop diffusers for axial fans (only available with EC fans)
●
●
EC plug-fan radial fans
●
●
Heat exchangers
SINGLE
MODULAR
Coils
Cu tube and Al fin coils
✓
✓
Al / Al microchannel batteries
●
●
Cu tube bundle / polyurethane pre-lacquered Al fins
●
●
ALUCOAST: high-strength Cu tubes / Al fins
●
●
BLYGOLD: Cu tubes / Al fins with Blygold coating
●
●
COPPERFIN: Cu tubes / Cu fins
●
●
Heat exchangers
Refrigerant-water heat exchanger, AISI 316L stainless steel plates, copper-welded, and thermally insulated
✓
✓
Stainless steel heat exchanger SS AISI 304 / SS AISI 316 / Sealix
●
●
Energy (2)
SINGLE
MODULAR
Energy recovery
Partial or total recovery of condensation energy for DHW (domestic hot water)
●
–
Pump in the condensation heat recovery circuit
●
–
Electric anti-icing heater in the plate heat exchanger for domestic hot water (DHW) recovery
●
–
Hydraulic (2)
SINGLE
MODULAR
Pumps (version P/H)
Single pump, normal available pressure (7-12 mH₂O)
✓
–
Single pump with high pressure available (15-20 mH₂O)
●
–
Single pump, very high available pressure (25-30 mH₂O)
●
–
Pump with variable speed drive
●
–
Backup pump (standard pressure, high pressure, and very high pressure available)
●
–
Electronic pump
●
–
Hydraulic components
Low temperature kit for operation with water outlet temperature < 0 ºC
●
●
Low outdoor temperature kit
●
●
Victaulic union adapter for hydraulic interconnection of modules
–
●
Water filter
●
●
Installation of pressure gauges at the inlet and outlet of the equipment for S version
●
●
Independent module with 200 liters / 375 liters / 725 liters + buffer tank available
Electrical resistances
Electrical resistances
●
–
Installation
SINGLE
MODULAR
Protection grilles
Coil protection grille
●
●
Insulation
Thermal insulation in all cold metal lines (refrigerant or water)
●
●
Power supply
400 V / III ph / 50 Hz without neutral
✓
✓
400 V / III ph / 60 Hz
●
●
Other electrical voltages (see different options available)
●
●
Packaging
Packaging for maritime transport
●
●
Control
SINGLE
MODULAR
Electronic control and communication
Programmable AQUAMATIX electronic control
✓
✓
Climatix HMI user terminal for AQUAMATIX control
✓
✓
RS485 communication interface for ModBus communication
✓
✓
Modbus TCP/IP and BACnet IP communication
✓
✓
Defrosting
Defrosting by cycle reversal using a 4-way valve
✓
✓
Additional control and safety components
Main switch in electrical panel
✓
✓
Magneto-thermal protections for compressors, fans and pumps
✓
✓
Differential switches
●
●
Low pressure switch for pump protection
●
●
PREMIUM phase control relay, with phase failure detection and direction of rotation protection
✓
✓
EXCELLENT phase monitoring relay, adds phase unbalance, overvoltage and undervoltage detection
●
●
Triple protection for the plate heat exchanger with a water flow switch and anti-freeze protections for both water and refrigerant
✓
✓
Energy meter
●
●
Electrical panel
Fully wired electrical panel, with IP54 protection
✓
✓
Forced ventilation of the electrical panel
✓
✓
Design of electrical switchgear for high temperatures
✓
✓
Tropicalised electrical panel
●
●
Socket for common use
●
●
Antifreeze electrical resistor in electrical panel for low outdoor temperatures
●
●
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