Domestic Water heating with flat collector Trainer Description and Specifications for Lab Tenders
Domestic Water heating with flat collector Trainer.
1.16 Technical Description of the Trainer
The Domestic Water heating with flat collector Trainer must include the following descriptions or functions:
• used to demonstrate the principal aspects of solar thermal domestic water heating in a system with components used in real world applications
• Trainer with real-world components
• Pivot table flat collector
• System with heat exchanger and two separate circuits
• Suitable for sunlight and artificial light
• Familiarization with the functions of the flat collector and the solar circuit
• Determining the net power
• Relationship between flow and net power
• Determining the collector efficiency
• Relationship between temperature difference (collector/environment) and collector efficiency
1.17 Technical Specification of Trainer
The Domestic Water heating with flat collector trainer must include the following technical specifications:
• Trainer for investigating the function and operating behavior of a flat collector
• Solar thermal flat collector with selectively absorbing coating
• Adjustable collector tilt angle
• Solar circulation station with pump, expansion tank and safety valve
• Hot water circuit with buffer tank, pump and plate heat exchanger
• Solar regulator with three temperature sensors
• Four bimetallic thermometers
• Operation with solar radiation or with Artificial Light Source
• Technical Data:
o Solar circuit
 Collector absorbing surface: 2,3m²
 rated throughput: 20...90L/h
 operating pressure: 1...3bar
o safety valve 4bar
o Hot water circuit
 plate heat exchanger: 3kW, 10 plates
 buffer tank 80L
o Measuring ranges
 flow: 20...150L/h
 temperature: 4x 0...120°C
o Dimensions and Weight
 LxWxH: 1660x800x2300mm
 Weight: approx. 240kg
o Required for Operation
 230V, 50Hz, 1 phase or 120V, 50Hz, 1 phase
o Scope of Delivery
 1 trainer
 1 set of instructional material
1.18 Figurative description of the Trainer System
An equivalent resemblance of the Domestic Water heating with flat collector trainer is indicated in Figure 6.
Figure 6: Equivalent figurative description of the Domestic Water heating with flat collector trainer