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SOLAR

Solar Water Heater - With the spiralling cost of electricity this healthy alternative to heating water not only saves money but also runs for a long, long time. Venus has introduced vacuum tube technology in Solar water heaters for the first time.

INTRODUCTION TO VENUS (VTC) ADVANCED TECHNOLOGY

We at Venus believe in bringing the benefits of the latest technology to our consumers. Now, in Solar Water Heaters too Venus introduces "Vacuum tube collectors" for the first time in India. Internationally renowned & accepted, this technology is superior to other prevalent systems in performance, reliability & ease of installation. Breakthrough technology that taps the unlimited power of the sun to give you enormous energy savings year after year.

Working of Venus VTC Solar Water Heaer

The Venus Vacuum Tube Collector solar water heater is made up of rows of parallel, transparent glass tubes. Each tube consists of a glass outer tube and an inner tube, or absorber, covered with a selective coating that absorbs solar energy well but inhibits radioactive heat loss. The air is withdrawn ("evacuated") from the space between the tubes to form a vacuum, which eliminates conductive and convective heat loss.

The Vacuum tube collector absorbs the heat from the solar radiation & heats up the water stored in the system through the Thermosiphonic effect.

What is Thermosiphonic Effect

A thermosiphon system relies on warm water rising, a phenomenon known as natural convection, to circulate water through the collectors and to the tank. In this type of installation, the tank must be above the collector. As water in the collector heats, it becomes lighter and rises naturally into the tank above. Meanwhile, cooler water in the tank flows down pipes to the bottom of the collector, causing circulation throughout the system. This is called Thermosiphonic Effect. This process continues steadily for a numer of hours till the water stored in the tank is heated up. Very high Temperatures upto 80-85 °C can be had from such a system.

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FEATURES

Heating from infrared rays of solar radiation

Greater absorption area per day

Minimum heat loss from the system due to the vacuum tubes & PUF insulated storage tank

Better performance in winter & on cloudy days. Up to 10°C higher temperature

Maintance free, easy to clean

Superior Corrosion resistant epoxy coated inner tank and Powder coated MS stand - sturdy and rust resistant

Compact size - low height & lesser space required for installation.

Installation Requirements

Unobstructed sunlight on a flat or slopping roof

Shadow-free area

Close to the bathrooms to avoid long piping & heat losses

A water tank at a minimum of 2.5m (7 ft) above roof level

The solar collector tubes facing south.

Usage

Besides individual houses, the VTC solar water heater is also ideal for schools, hostels, hotels, dairies, breweries, canteens and industries like automotive, fertilizer, chemical, textiles, pharmaceuticles, etc.

Key Features

Procelain

Porcelain Enamel Glass Lined Tank:

Manufactured in a modern, automated plant using European Technology. Protects the tank from rust and corrosion.

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Long life corrosion proof Pre coated outer cladding

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Vacuum Tube Technology with triple layer coating for maximum absorption of solar radiation (Non pressure type)

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Powder coated MS stand - sturdy and rust resistant

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Backup electric heating element for cold rainy days(Optional)

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Extra thick 5cm PUF insulation for minimum heat loss.

Energy Savings

Venus Solar Water Heaters are designed to offer substantial savings when compared to electric water heaters.

Model (Ltrs./ day)

Total cost of a solar water heater

Cost of Electric Water Heater *

Difference

Annual Saving **in Electricity

Annual Saving **in Electricity

Pay back Period***

MY100L

Rs.26160/-

Rs.14,500/-

Rs.11,660/-

KWH 900 units * Rs 5

(Rs.)Rs.4,500

30 Months

* One 100LPD Solar Water Heater replaces 2 Nos. 25 Ltrs. Electric Water Heater

** Calculated at tariff rate of Rs. 4.50 / KWH assuming usage of solar Water Heater for 300 Days / Year. Energy consumed =3 units / day = 900 units / 300 days

*** Pay - back period = Rs.11,660/ Rs.4,500 = 2.5 years = 30Months

Specification

Description

Capacity

No. of Vacuum Tubes

Safety Devices (optional)

Pipe Connection

Backup Electric Heating (optional)

PUF Insulation Thickness

Stand Angle

Daily Usage

Maximum No .of Outlets

Guarantee*

MYEN100

100 Litres per day

10 Nos

Thermostat

3/4"

2 kw heating element

5cm

35° - 38°

upto 4 persons

2

5 Years

MYEN200

200 Litres per day

20 Nos

Thermostat

3/4"

2 kw heating element

5cm

35° - 38°

upto 8 persons

4

5 Years

Dimension (In mm)

Model

100Ltrs

150Ltrs

A

1350

1350

B

1425

1425

C

1950

1950

D

480

480

E

810

1610

F

1000

1800

* Refer "Terms & Conditions" in User Manual.

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