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Solar Water Heater

Easy Photovoltech's solar water heaters comprises of an evacuated tube solar collector and storage water tanks that are connected together; water tank on the top and evacuated tube collector on the bottom. The relies on the natural circulation of water between the collector and the water tank. As water in the vacuum tubes is heated, it rises naturally into the tank, while cool water in the tank flows down to the bottom of the vacuum tubes, causing circulation in the system. Solar water heaters can move water or a heat-transfer fluid through the system without pumps. Our water heaters are simple and safe solution for household, industrial and other commercial use. We manufacture and supply solar water heater, ETC solar water heater, flat plate solar water heaters, domestic and industrial solar water heaters.

Flat Plate Solar Water Heater

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Flat Plate Solar Water Heater
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Approx. Rs 20,000 / PieceGet Latest Price

Product Details:
TypeWater Heater
Source TypeSolar
PatternFlat Plate
UsageHome, Commercial

We provide the Flat Plate Solar Water Heater to the clients.

SOLAR THERMAL WATER HEATER:

There are two types of solar water heating systems, based on type of circulation;

1. Thermosyphon 2. Forced circulation

All domestic and industrial systems up to 4000 LPD (litres per day) @ 60 deg.C,; works on the principle of thermosyphon. Industrial systems beyond 4000 LPD to any capacity will work on forced circulation principle.

Thermosyphon system:
The system works on a principle called "THERMOSYPHON" (Natural circulation). Due to the density difference between the cold & hot Water, the lighter hot water flows up into the tank and the heavier cold water enters the collector.

Solar radiation incident on the collector panels heats the absorber. This heat is transferred to the water contained in the absorber & becomes less dense than the water in the storage tank. Hot water starts rising and settles at the top of the storage tank. Simultaneously cold water descends to the collector absorber tubes, gets heated up and the cycle repeats.

The circulation in the system during the heating process is purely due to the difference of density only. There is no other mechanical moving part, hence the system reliability is very high.

At the end of the day when radiation is zero (after dark/sun set), the collector will contain heavier cold water and the tank will have lighter hot water. This will ensure that there will be no circulation during the night & hence no conduction losses on account of this.

The hot water storage tank is well insulated to retain the hot water temperature and to minimise the overnight temperature drop/heat losses.

The Sacrificial Anode (Only for SS tank) prevents the tank from galvanic corrosion. For the monsoon / cloudy days, the system is fitted with an Electrical backup heater with thermostat.

Forced circulation system:
In forced circulation systems, two pumps in tandem are used for circulation of water between collector bank & system insulated tank. The pump operation is controlled by OTC (Differential Temperature Controller), which is fitted Inside the Control panel. OTC senses the cold & hot water temperature through two sensors, one fitted at the bottom of the tank to sense cold water temperature & the other fitted at the top of the last collector of the row in the collector bank, to sense the hot water temperature inside the collector

The difference in temperature between the two sensor points is the criteria for the operation of the pump that is controlled through DTC. This temperature difference can be set between 0 to 10 deg, C.

Solar radiation falling on the collector heats up the water inside the absorber. The temperature of water starts gradually increasing compared to the water temperature inside the tank. When this temperature difference between the sensor points reaches the preset temperature difference in DTC, the pump is switched "ON". This will result in the entry of cold water from the system-insulated tank into the collector bank & discharge of hot water from the collector bank to the system insulated tank.

The sensor fitted at the collector will sense the temperature of cold water entering into the collector & puts "OFF" the pump when this temperature difference between the sensor points falls below the preset temperature difference in DTC.

The process of switching ON & QFF of the pump & circulation of water continues until the end of the day. By the end of the day, the entire quantity of water in the tank reaches the system designed temperature, provided the radiation level is at a minimum of 800 watts per sq.mtr.
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Flat Plate Industrial Solar Water Heater

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Flat Plate Industrial Solar Water Heater
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Approx. Rs 20,000 / PieceGet Latest Price

Product Details:
TypeWater Heater
Source TypeSolar
PatternFlat Plate
UsageIndustrial
Tank Volumemore than 500 lpd

We provide the Flat Plate Industrial Solar Water Heater.

SOLAR THERMAL:
There are two types of solar water heating systems, based on type of circulation;

1. Thermosyphon 2. Forced circulation

All domestic and industrial systems up to 4000 LPD (litres per day) @ 60 deg.C,; works on the principle of thermosyphon. Industrial systems beyond 4000 LPD to any capacity will work on forced circulation principle.

Thermosyphon system:
The system works on a principle called "THERMOSYPHON" (Natural circulation).Due to the density difference between the cold & hot Water, the lighter hot water flows up into the tank and the heavier cold water enters the collector.

Solar radiation incident on the collector panels heats the absorber. This heat is transferred to the water contained in the absorber & becomes less dense than the water in the storage tank. Hot water starts rising and settles at the top of the storage tank. Simultaneously cold water descends to the collector absorber tubes, gets heated up and the cycle repeats.

The circulation in the system during the heating process is purely due to the difference of density only. There is no other mechanical moving part, hence the system reliability is very high.

At the end of the day when radiation is zero (after dark/sun set), the collector will contain heavier cold water and the tank will have lighter hot water. This will ensure that there will be no circulation during the night & hence no conduction losses on account of this.

The hot water storage tank is well insulated to retain the hot water temperature and to minimise the overnight temperature drop/heat losses.

The Sacrificial Anode (Only for SS tank) prevents the tank from galvanic corrosion. For the monsoon / cloudy days, the system is fitted with an Electrical backup heater with thermostat.

Forced circulation system:
In forced circulation systems, two pumps in tandem are used for circulation of water between collector bank & system insulated tank. The pump operation is controlled by OTC (Differential Temperature Controller), which is fitted Inside the Control panel. OTC senses the cold & hot water temperature through two sensors, one fitted at the bottom of the tank to sense cold water temperature & the other fitted at the top of the last collector of the row in the collector bank, to sense the hot water temperature inside the collector.

The difference in temperature between the two sensor points is the criteria for the operation of the pump that is controlled through DTC. This temperature difference can be set between 0 to 10 deg, C.

Solar radiation falling on the collector heats up the water inside the absorber. The temperature of water starts gradually increasing compared to the water temperature inside the tank. When this temperature difference between the sensor points reaches the preset temperature difference in DTC, the pump is switched "ON". This will result in the entry of cold water from the system-insulated tank into the collector bank & discharge of hot water from the collector bank to the system insulated tank.

The sensor fitted at the collector will sense the temperature of cold water entering into the collector & puts "OFF" the pump when this temperature difference between the sensor points falls below the preset temperature difference in DTC.

The process of switching ON & QFF of the pump & circulation of water continues until the end of the day. By the end of the day, the entire quantity of water in the tank reaches the system designed temperature, provided the radiation level is at a minimum of 800 watts per sq.mtr.


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ETC Solar Water Heater

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ETC Solar Water Heater
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Approx. Rs 18,000 / Piece(s)Get Latest Price

Product Details:
TypeWater Heater
Source TypeSolar
BrandETC

Easy Power Introduces high efficient MIRACLE Solar Water Heaters for Domestic & Industrial applications, which is as per International Standards and made of high-density Borosilicate Tubes and coated (triple coating), which are vaccumised / air evacuated to prevent conduction and convection heat losses.

Special Features Provided in the System
System Dry Run Protection, System High-Pressure Protection, System Extreme High-Temperature Protection, System Evacuation Protection, Sacrificial Anode-of-Magnesium, Electrical Backup, Pressure Reducing Value, Air Relief Valve / Vent.

What’s…Vacuum Tube Collector type Solar Water Heaters works efficiently in cold climates or in 70 Deg. Hot water outlet applications? The construction of the collector tube is similar to a thermos flask, a piece in that it comprises of two borosilicate glass tubes, one sealed inside the other. The outside of the inner glass tube is coated with a solar selector surface (Al-N/Al) & the space between the two tubes is evacuated & maintained at a high vacuum. This Vacuum created inside the high strength borosilicate glass tube act as an insulator supporting heat loss & enhanced performance.

The use of 3.3 borosilicate glass makes this vacuum tube highly resistant to chemical & thermal shock.

They are designed to suit hard water heating. There is no bonding of scales on the smooth surface of a glass tube. Cleaning of a collector is very easy.
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Easy Photovoltech Private Limited
Vinod Kumar (Director)
No. 406, Vikasdeep Building, Lakshmi Nagar District Center, Laxmi Nagar ,
Delhi - 110092, India
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