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 Products:  Thermodynamics, Heating and Sanitary Systems » Refrigeration and Air Conditioning » Refrigerating Plants » ET 420
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ET 420: Cooling Plant with Ice Store

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Cooling Plant with Ice Store

Cooling Plant with Ice Store Cooling Plant with Ice Store Cooling Plant with Ice Store

Product Details

Technical Description
The system comprises three modules that are joined together with hoses. The base module (cooling capacity 1.7kW) contains, along with the usual refrigeration components, a brine circuit with intermediate tank, and as a special feature, an ice store. In this way the cold can be stored over an extended period. The two other modules contain the wet cooling tower and the dry cooler. Various operating modes such as charging, discharging or bypass can be used. Of particular interest on this system is the usage of different liquids for heat transport such as refrigerant, brine and water, and the related heat transfer processes.

Learning Objectives / Experiments
· Thermodynamic investigation of a refrigeration process on a p-h state diagram
· Determination of the process parameters
· Determination of the refrigerating capacity and the coefficient of performance
· Energy balances
· Function of the components in a cyclic process
· Function and performance of an ice store
· Function and performance of a cooling tower

Industrial cooling system with ice store, dry cooler and wet cooling tower
Determination of all relevant process parameters
Modular design
High quality parts
Comprehensive range of experiments
[1] Cooling plant at industrial level, modular design, moveable, flexible layout
[2] Plant with ice store, wet cooling tower and dry cooler
[3] 3 different circuits: refrigerant, glycol-water mixture, and water
[4] Operating modes can be configured using valves
[5] Modules connected with hoses
[6] Basic unit with refrigeration circuit and pumps
[7] Wet cooling tower lxwxh 1350x635x1850mm, 70kg
[8] Dry cooler lxwxh 710x600x550mm, 45kg
[9] Refrigerant R134a, CFC-free
[10] 230V, 50Hz, 1 phase or 230V, 60Hz, 3 ph.

Technical Data
Refrigeration circuit of basic unit: condensing unit: power consumption: 1880W, refrigerating capacity: 1719W at -15/32°C, plate heat exchanger as evaporator: 20 pl., capacity: 1.7kW
Cooling tower: nominal cooling capacity: 12.8kW
Dry cooler: nominal cooling capacity: 3.0kW
Ice store: 150ltr
Glycol tank: 28ltr
Measuring ranges: temperature: -20...40°C / 0...60°C; pressure: -1...9bar / -1...24bar; flow rate: R134a: 8...102ltr/h; brine: 106...1060ltr/h; water: 395...3995ltr/h

Dimensions and Weight
l x w x h : 1950 x 800 x 1900 mm (base module)
Weight : approx. 320 kg (total weight)

230V, ~50Hz
Water connection

Scope of Delivery
1 basic module, 1 wet cooling tower, 1 dry cooler, 1 set of connecting hoses, 1 set of adjustment tools, 20ltr propylene-glycol, 1 instruction manual

Order Details
061.42000 ET 420 Cooling Plant with Ice Store

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
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