SUNLIFE/SUN ENERGY brand of evacuated tube collectors (or manifolds) without CPC have been developed by a team of German professionals. Their outstanding design, professional finishing, top quality and high energy yield, as well as their excellent price to performance ratio make them stand out.
Applications :
Domestic Water heating systems and large scale or higher sized water heating systems
Principle :
- Non-pressurized collectors, used for large scale projects
- Heating through the collectors, transferring hot water to the storage tank
- Run by natural circulation, open loop system
Advantage :
- Easy-installation, competitive price
- Well integrated into building roof and without harm to the damp-roof cours
- Can be integrated with different types of control systems, fulfilling different requirements
SUNLIFE/SUN ENERGY Brand of Evacuated Tube Collectors
The tubes are composed of two concentric glass tubes that are half spherically closed on one side and fused together on the other side, the gap between the tubes is evacuated and afterwards hermetically plugged (vacuum insulation). In order to make solar power usable, the internal glass tube is provided with an environmentally friendly, highly selective layer thus designed as an absorber. This coating is protected within the vacuum gap. An aluminum nitrate sputter layer is characterized by very low emission and very good absorption.
Features of ETC type Solar Water Heater Systems :
- Huge Savings on electricity bills and pay back within 2 years
- High Thermal efficiency using the world’s latest, proven and tested, Evacuated Glass Tube Collectors, which track the sun throughout the day and intercept more than 93% of incident solar radiation
- Tested at SPRERI (Sardar Patel Renewable Energy Institute), Gujarat (Approved test centre of MNES & BIS, Govt. of India)
- Requires lesser space as compared to conventional solar water heaters
- Handles hard water with ease without drop in efficiency and does not require frequent internal cleaning
- PUF insulated Stainless Steel Tank with MS cladding ensures hot water even on winter mornings
- Electrical back-up is also available to provide additional heating during the monsoon season
- Corrosion resistant structures and hardware
- Requires practically no maintenance
- Long Life about 20 years
- Available in standard sizes of: 125 Liters / 250 Liters & 500 Liters per day and custom – built options for larger requirements
Anti-scaling Device
- The function of Anti-scale device :
- Reducing the water scale in the vacuum tubes, in order to keep the high heating efficiency
- Reducing the water scale in the water tank ensuring long life.
- To avoid the malfunction of the sensor
- To keep the electrical heating rod clean
- To avoid the water scale deposit in the pipes, and to keep high water flow
- To keep water clean and soften the water quality
Installation :
The anti-scale device should be installed in the cold water filling pipe, to assure the cold water purified before utilization.
Service Life :
The service life for anti-scale device is from 1.5-3 years according to the local water quality. See details below :
- The customer with water consumption over 200L/day or above should change the device every 1.5 years
- The customer with water consumption about 150L/day, change it every 2 years
- The customer with water consumption about 100L/day, change it every 3 years
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