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 Products:  Thermodynamics, Heating and Sanitary Systems » Refrigeration and Air Conditioning » Air Conditioning Systems » ET 600
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ET 600: Open Duct Air Conditioning Trainer

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Open Duct Air Conditioning Trainer

Open Duct Air Conditioning Trainer Open Duct Air Conditioning Trainer Open Duct Air Conditioning Trainer

Product Details

Technical Description
The system contains components that are actually used in building services engineering.
The core of the system is a refrigeration system for cooling air. Air cooler, steam humidifier, fan, primary and secondary heater are arranged in a ventilation duct where the air is conditioned. Electronic sensors measure values such as temperature and humidity after each stage and pressures and temperatures in the refrigeration circuit. The data can be displayed and further processed on a PC with the supplied data acquisition card and software.
A three-phase mains connection is required for operation.

Learning Objectives / Experiments
- Becoming familiar with the layout of an air conditioner
- Becoming familiar with main components and their function
- Measurement of temperature and humidity
- Determination of the airflow rate
- Measurements in the refrigerant circuit
- Factors that affect air conditioning
- Changes of state in a h-ω diagram
- Cyclic process in a p-h state diagram
- Determination of heating and cooling capacity

* Functional model of an air conditioner1
* Recording with electronic sensors1
* Processing measured data in a PC1
* Broad experimental program for space air conditioning, including illustration of thermodynamic principles
[1] Mobile functional model of an air conditioner with air cooler, steam air humidifier, fan, pre- and reheater
[2] l x w x h 2225x750x1800mm, 180kg
[3] Ventilation duct wxh 300x350mm
[4] PC data acquisition with LabVIEW software under Windows XP
[5] Software with h-w diagram
[6] Determination of airflow rate via differential pressure measurement with inclined tube manometer 100Pa
[7] Humidity/temperature measurement with combined electronic sensors
[8] Refrigerant R134a, CFC-free

Technical Data
Steam air humidifier
- power consumption: 4kW
- steam generating capacity: 5.5kg/h, 3 stages
- power consumption: 190W
- max. flow rate: 810m³/h
- Δpmax: 420Pa
Preheater: 2kW, 2 stages
Reheater: 1kW, 2 stages
Refrigeration system
- power consumption: 1076W
- refrigerating capacity: 2.1kW at 5°C
Evaporator: 6kW
Measuring ranges
- flow rate 8...102L/h
- differential pressure: 0...100Pa
- temperature: 7x 0...100°C, 2x -100...200°C
- humidity: 10...90% r.h.
- pressure: 2x -1...15bar

Dimensions and Weight
l x w x h : 2225 x 750 x 1800 mm
Weight : approx. 180 kg

400V, 50Hz, 3 phase or 230V, 60Hz, 3 phase

Scope of Delivery
1 unit, completely assembled and filled with refrigerant
1 data acquisition card with software
1 instruction manual

Order Details
061.60000  ET 600  Open Duct Air Conditioning Trainer

Alternative products
ET 611 -- Air Conditioning System with Climate Chamber
ET 620 -- Full-Scale Air Conditioning Trainer
ET 915 -- Base Condensing Unit
HL 720 -- Ventilation System Trainer

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