HRZ series
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Circulating Fluid Temperature Controller Refrigerated Thermo-chiller Series HRZ í Type of Fluorinated fluids / Ethylene glycol aqueous solution / circulating fluid: Clear water, Deionized water í Temperature range setting: –20 to 40°C / 20 to 90°C / –20 to 90°C í Cooling capacity: 1 kW / 2 kW / 4 kW / 8 kW / 10 kW to Max.15 kW í Temperature stability: +0.1°C – í Refrigerant: R404A (HFC) / R134a (HFC) Inverter type 1.1 kWh/h Facility water Related Products Technical Data inverter pump. Power consumption Substantially more energy is saved by using a DC inverter refrigerator and

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Conventional model Power consumption: Heated refrigerant emission gas In addition to the optimum control of the expansion valve by the original controller, by recycling the heat emitted from the facility water, power consumption is dramatically reduced. Conventional model Cold refrigerant liquid Cold refrigerant liquid Operating conditions: –10°C, 0 kW with 50% load, 2 kW with 50% load ˾ Reduced running cost ˾ Contribution to the environmental preservation Circulating fluid Circulating fluid ∗ This illustration is for an image only. For piping systems, refer to “Construction and Principles”...

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Space Saving Installation area: By emitting the heat from the rear side, ventilation slits on the side are unnecessary offering reduced installation space. Body space: W380 mm x D870 mm Ventilation space: 0 Conventional model Conventional model: Body space: W400 mm x D845 mm Ventilation space: 100 mm Housing the pump or heat exchanger inside the tank has eliminated any external leakage of the circulating fluid. ˾ Contact input/output signal ˾ Serial RS-485 communication ˾ Analog communication (Refer to “Options” on page 98.) ˾ DeviceNet™ communication (Refer to “Options” on Heat exchanger...

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Easy Maintenance Circulating fluid automatic recovery function (Refer to “Options” on page 99.) Circulating fluid inside a Thermo-chiller tank can be recovered automatically. (Recovery volume: 15 l to 17 l) ˾ Reduced maintenance time ˾ Faster operation ˾ Reduced circulating liquid loss by evapolation or spill. Conventional model is to to do ion ave municaty r ou h All y the com recove ush tton for eset! p u r b and 2 Recovery of Customer’s equipment Internal pump Circulating pump 3 Fluid returns to the main circulating fluid Internal pump Customer’s equipment Circulating pump tank from the...

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Application Examples Semiconductor Medical Example: Blood preservation Example: Temperature control of a chamber electrode Upper electrode Lower electrode • X-ray instrument • MRI • Blood preservation equipment • Coating equipment • Dicing equipment • Tester, etc. Example: Tofu (Bean curd) production Example: Electronic microscope • Etching equipment • Spatter equipment • Cleaning equipment Electronic microscope Water temperature control for forming tofu by mixing the boiled soybean milk and bittern • Electron microscope • X-ray analytical instrument • Gas chromatography • Sugar level...

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Construction and Principles Refrigeration circuit Injection valve Expansion valve (b) Circulating Internal pump pump Level Level switch switch Refrigerator Water control valve Facility water outlet Refrigerant dryer Facility water circuit Water-cooled condenser Facility water inlet Heat exchanger Highpressure gauge Highpressure shutoff pressure switch Main tank Pressure Temperature sensor sensor Circulating fluid outlet Circulating fluid return inlet Circulating fluid circuit Circulating fluid circuit With the circulating pump, circulating fluid will be discharged to the customer’s...

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bFluorinated Fluid Type bEthylene Glycol Type bClear Water / Deionized Water Type bDouble Inverter Type bCommon Specifications bOptional Accessories Technical Data Related Products

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Model Selection Guide to Model Selection 1. How much is the temperature in degrees centigrade for the circulating fluid? Temperature range which can be set with the Thermo-chiller L : –20°C to 40°C (“L2” (clear water, deionized water specification) can be set 10°C to 40°C.)) H : 20°C to 90°C W: –20°C to 90°C (Select “W” only when the temperature ranges of “L” or “H” are not applicable. HRZ010-W2S (clear water, deionized water specification) can be set 10°C to 60°C. Example) Customer requirement: 50°C ( Temperature range 20°C to 90°C, “H” type will be appropriate.) 2. What kind of the...

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Model Selection Calculation of Required Cooling Capacity Example 1: When the heat generation amount in the customer’s equipment is known. Heat generation amount Q: 3.5 kW Specific heat C: 0.96 x 103 J/(kgႧ K) (at 20°C) ∗ Refer to page 79 for the typical physical property values by circulating fluid. = 3456 W = 3.5 kW Cooling capacity = Considering a safety factor of 20%, 3.5 x 1.2 = 4.2 kW Cooling capacity = Considering a safety factor of 20%, 3.5 x 1.2 = 4.2 kW Unknown 6.0°C 20°C 26°C 1.2 m3/h Fluorinated fluid Density Ͳ: 1.80 x 103 kg/m3 Specific heat C: 0.23 kcal/kgႧ°C (at 20°C) ∗ Refer...

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Model Selection Calculation of Required Cooling Capacity Example 3. When there is no heat generation, and when cooling the object below a certain temperature and period of time. : 60 l Total volume of the object being cooled down V : 15 min Cooling time h Cooling temperature difference ͬT: 20°C (20 K) (40°C – 20°C → 20°C) Circulating fluid : Fluorinated fluid Density Ͳ: 1.80 x 103 kg/m3 Specific heat C: 0.96 x 103 J/(kg ႧK) (at 20°C) ∗ Refer to page 79 for the typical physical property values by circulating fluid. Example of the conventional measurement units (Reference) 0.06 m3 0.25 h 20°C...

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Model Selection Aqueous Solution of 60% Ethylene Glycol Physical property Density Ͳ value [kg/m3] [g/l] Temperature –10°C 20°C 50°C 80°C Specific heat C ([kcal/kg Ⴇ °C]) Specific heat C [J/(kgႧ K)] Fluorinated Fluids Physical property value Temperature ∗ The above shown are reference values. Please contact circulating fluid manufacturers for details. Circulating Fluid Typical Physical Property Values Technical Data Specific heat C: 4.2 x 103 [J/(kgႧ K)] (1.0 [kcal/kg Ⴇ °C]) Related Products

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