Jun. 05, 2025
The US, California, Canada and EU have implemented regulations to restrict refrigerants with high Global Warming Potential (GWP). Regulation effective dates vary, but in response to them SMC is introducing chillers with lower GWP refrigerants, either R454C (GWP 146) or CO2 (GWP 1) which are dramatically below new thresholds. These new chillers are offered in several categories and are designed to match performance, dimensions, port size and layout of legacy designs.
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HRS, HRS-R, HRSE compact recirculating chillers are designed to meet the widest range of single-point applications in both industrial and technology settings. The package design is robust enough for the factory, yet ergonomic and compact for lab installations. Coolant can be either heated or cooled within the set temperature range. Choose from eight cooling capacities, air or water cooled refrigerant, and global power supply options.
Large Capacity chillers offer a cooling capacity range of 10 to 28 kW. Coolant and refrigeration circuits are included in a compact and lightweight package. Extracted heat can be air or water cooled. An inverter provides demand-based rotation control for the compressor, pump and fan (air cooled model), offering substantial energy savings. Electric options ensure global power supply compatibility.
Additional features include: Heating Function, Low Maintenance Seal-less Immersion Pump, and IPX4 Rating for Outdoor Installation.
HRSH recirculating chillers offer a cooling capacity range of 10 to 28 kW. Coolant and refrigeration circuits are included in a compact and lightweight package. Extracted heat can be air or water cooled. An inverter provides demand-based rotation control for the compressor, pump and fan (air cooled model), offering substantial energy savings. Electric options ensure global power supply compatibility.
Additional features include: Heating Function, Low Maintenance Seal-less Immersion Pump, and IPX4 Rating for Outdoor Installation.
The Rack Mount Chillers are a temperature control device mountable in a 19-inch rack. Rack mounting recovers desktop or floor space, permitting stacking of related devices and mobility, depending on the rack style. Recirculating fluid removes heat from the process source. The heat is then removed from the fluid by an air or water-cooled refrigeration circuit. Coolant temperature stability is ±0.1°C within a set temperature range of 10 to 35°C.
The HRL and HRLE are temperature control devices featuring two cooling channels in one package. These chillers are specifically designed to cool the optical head and oscillator of a laser processing system. Considerable space savings can be realized compared to a two chiller solution. Both types feature touch panels for operations, fan-cooled refrigeration circuits, and independent coolant ports for each laser component. The HRL has extensive standard features and targets large output lasers of 5kW or more. The HRLE is for medium output lasers of 3-4kW, with a patent pending simplified circuit design for a single tank and pump. The heating function uses waste heat from the refrigerant discharge instead of a separate electric heater to improve efficiency and reliabilty.
HRZ recirculating chillers are especially suited for high technology sectors, by conforming to several SEMI equipment standards and regulating fluid temperature to ±0.1°C. Inverters control the rotations of both the pump and compressor for energy efficiency. Refrigerants include R410A (EU-compliant until Jan 1, ; US-compliant until Jan 1, ), R454C (EU and US compliant beyond ), and CO2. HRZ chillers can circulate various coolants including fluorinated types (Fluorinert™ and GALDEN®), ethylene glycol and water.
HRW heat exchangers are refrigerant free and use no compressor. This energy efficient design saves further by using an inverter pump for demand-based rotation control. Four models offer cooling capacities from 2 to 30 kW. The HRW is rated for high performance temperature stability of ±0.3°C through a set range of 20 to 90°C. The operation panel includes an input keypad and multi-line LCD display. 23 alarms report on a variety of circuit and equipment conditions to facilitate optimal operation. In addition to standard I/O and RS-485 serial communications, analog and DeviceNetTM communications are optional.
HEC, HEF, and INR recirculating chillers satisfy low capacity temperature control demand in the range of 140 to watts. A refrigerant-free, thermoelectric peltier element controls temperature from 4.0 to 60.0°C, with precision of ±0.01°C under stable load conditions. Extracted heat can be air or water cooled. 15 alarms support functional troubleshooting, and can be observed on the LCD display or over serial communication. Low noise and vibration, compact dimensions and flexible power requirements are suitable for laboratory benchtop service.
The HEB is a thermoelectric circulating bath comprised of a controller and liquid tank. Cooling is performed by a refrigerant-free peltier element, with extracted heat removed via facility water connection. Temperature can be set from -15.0 to 60.0°C (flourinated fluid), achieving a distribution of ±0.2°C in the bath. Abnormal heating and temperature sensor errors can be detected and reported. Overall dimensions and power requirements are suitable for laboratory benchtop service.
The HED is a specialty recirculating chiller designed for direct temperature control of chemical liquids in the 300 to 900 watt capacity range. The device consists of a controller and separate fluororesin heat exchanger. An external circulation pump must be customer supplied. Typical compatible fluids include hydrofluoric and sulfuric acid, copper sulfate solution, ammonia hydrogen peroxide, sodium hydroxide, and deionized or ozonated water. A refrigerant-free, thermoelectric peltier element controls temperature from 10.0 to 60.0°C, with precision of ±0.1°C. Extracted heat can be removed via facility water connection. 17 failure diagnostics can be displayed on the LCD display or read out over serial communication.
37 kW Household Multi-Purpose Water (Ground) Source Cooled Scroll Chiller Heat Pump Units
Specifications
Model EKWD120MR1DR Unit parameters Nominal cooling capacity kW 37 Nominal heating capacity kW 38 Nominal hot water production capacity 500 800 Total power of nominal cooling capacity kW 7.2 Total power of nominal heating capacity kW 10 Water1. The unit transfers renewable energy between the ground and indoor environment so that one KW of electric energy can actually generate 4-5 KW of cooling or heating capacity. The temperature of underground soil is constant around the years. No matter in winter or in summer, the unit can work with high efficiency to save lots of energy. The unit performance does not vary with the environment temperature, and no heat is lost due to frosting in heating operation mode.
2. When working in the cooling mode in summer, the unit can save up to 40%-50% of energy consumption compared with traditional systems. In winter, the unit can save up to 70% of energy. The heat recovery mode can provide free hot water in summer, and provide hot water with a cost that is 50-75% less than the cost of natural gas.
3. Among small-sized multi-purpose air conditioning systems, units of this series are most energy efficient, reducing the usage of boilers and the emission of carbon dioxide and helping to maintain a green environment
4. Constant hot water capacity provides hot water up to 70°C (no electric heater). The water temperature can also be set to an optimal temperature (for example, 40°C) without mixing hot and cold water. The central hot water system features an automatic cleaning device so that hot water is comfortable and clean.
5. A heat pump compressor is used and water and electricity are separated. The unit causes no contamination to the air or environment, and eliminates risks of electric shock from common electric heaters and gas leakage, dry burning, and poisoning risks from gas heater. A pressure bearing water tank with a large capacity is used, eliminating defects such as unable to be lit due to water pressure fluctuations in gas heaters.
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6. A controller with a large LCD screen is provided to monitor the water temperature in real time. Users can also set a program to preheat the water.
7. Flexible and smart switches allow users to set hot water and heating programs as required. Using an electronic control technique, the controller can monitor the inlet/outlet water temperature; compressor, pump, and hot water status; and faults and alarms in real time.
8. By connecting units through RS485 to USB modules or the Ethernet, units in different houses or communities can be centrally controlled by a local computer or by a remote computer on the Internet.
9. By connecting units to a module through RS485, users can set temperature and operation mode; turn a unit on/off, and execute other intelligent control such as receiving alarms on telephones remotely.
10. The unit features a leading-edge design combining central household air conditioning, floor heating, and central hot water systems. Advanced heat recovery techniques ensure that heat is recovered to the maximum, and that hot water is instantly available. Compared with traditional household central air conditioning systems, units of this series do not need defrosting which degrades the capacity, and does not start/stop frequently. Water and electricity are separated to eliminate the risk of electric shock. No harmful gas is eliminated to ensure user safety.
11. The unit provides cooling, heating, and free hot water at the same time. Waster heat generated during the cooling process is recovered to make hot water for free up to 70°C around the clock without any auxiliary electric heater. The COP can reach 7.5, making excellent air conditioning more affordable.
12. The footprint is as less as 0.77m2. The unit provides a large water tank with a volume of 350L that is made of stainless steel and can be installed anywhere. Water and electricity are separated to eliminate the risk of electric shock. The hot water is instantly available. No harmful gas is eliminated to ensure user safety.
13. The system provides a floor heating function that is silent and reliable, making indoor air sanitary and comfortable.
14. The CCIC smart control system developed by EK for convenient indoor environment control makes comfortable environment easily available at one click.
15. The unit provides five operation modes that can be switched as required, including cooling, heating, hot water, cooling + heat recovery, and heating + hot water. In summer, the cooling + heat recovery mode can be used to meet cooling and hot water requirements. In winter, the heating + hot water mode can be used to meet heating and hot water requirements. In transitional seasons, the hot water mode can be used to meet hot water requirements.
16. The unit features a two-level vibration dampening technique, reducing the low-frequency vibration of the compressor during operation to the lowest level. An innovative silencing mode reduces the working sound to 54 dB(A), lower than the working sound of the outdoor unit of 2HP traditional household air conditioners. The unit can be installed on the balcony, in a storage room, or other hidden places to further reduce the noise.
17. The new R410A refrigerant without fluorine is used to avoid ozone depletion, which makes the unit environment friendly. In addition, the R410A refrigerant system features a high EER, making the unit energy saving.
Competitive Advantage:
Designed based on more than 40 years of EK water (ground) source heat pump unit experience, EKWD-M series household multi-purpose water (ground) source heat pump units integrate water (ground) source heat pump units and heat a heat recovery system in an innovative manner to provide cooling, heating, and hot water functions and best meet multi-purpose demands from customers. Unit of this series are highly energy efficient, stable and reliable, support smart control, and are flexible and comfortable. The unit provides five functions:
1. Cooling (summer)
2. Heating (winter)
3. Heat recovery:
4. Hot water (around the year)
5. Dual heating, hot water +heating (winter)
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