Rainy FL-80 Manuel utilisateur

USER GUIDE

REGISTERED;

FL-80

Dual Intensity Rainwater

Harvesting Filter R

Winner of National & International Awards from

E-mail: Website:[email protected] | www.rainyfilters.com

As a ‘Most Innovative

Water Saving Product’

INTELLECTUAL PROPERTY RIGHTS

PLEASE NOTE

WARRANTY

www.rainyfiters.com

All Copyrights/ Design Rights/ Trademark /Patent Rights and other Intellectual

Properties are solely owned by Farmland Rainwater Harvesting Systems. Designs

of ‘Rainy’ Dual Intensity Rainwater Harvesting Filters, registered.

Logos are Registered, ‘Rainy’ is the registered Trademark of the Company.

‘Rainy’ Dual Intensity Rainwater Harvesting Filters and/or ‘Dual Intensity Rainwater

Harvesting Filters’ are Trademarks of the Company.

Domain name is owned by Farmland Rainwater Harvesting

Systems.

All drawings, industrial drawings, descriptions, artworks, engineering drawings

like explode view, sectional view etc. are copyrights exclusively owned by Farmland

Rain Water Harvesting Systems.

Any plagiarism, replication, duplication, copying, reverse engineering of the

products, prototypes, material, knowhow belonging to Farmland Rainwater

Harvesting Systems is an infringement of the intellectual properties belonging to

Farmland Rainwater Harvesting Systems, which is a criminal offence apart from

liability to pay damages.

1. Read and understand all instructions in the USER GUIDE for the best product

utilization.

2. To set up the system, refer INSTALLATION SECTION (Page No. 14) of the User

Guide.

3. If you have performance related problems, refer TROUBLESHOOTING SECTION

(Page No. 26) of User Guide.

4. There may be chances of slight variations in efficiency of the filter. This is due to

the type of roof, pipes, fittings and angles of installations, pattern of rainfall etc.

5. The Product Specifications are subject to change without prior notice.

‘RAINY’ warrants its product to be free from defects in workmanship and materials,

under normal usage and conditions, for a period of TEN (10) years from the original

invoice date by Manufacturer/Authorized Dealers. This warranty covers the repair

or replacement of any faulty components of the said filter at our discretion. There is

no coverage provided for lost or destroyed filters. For further information refer to

Warranty terms and conditions furnished under WARRANTY SECTION Page No. 28

of the User Guide.

01. General Information about Rainwater Harvesting ...................... 4

Quality of Rainwater

Why Filters are required?

02. VariousApplications ..................................................................... 5

03. Bore well Recharging. .................................................................. 6

04. General Technical Information 7

05.About us ....................................................................................... 8

06. Introduction ................................................................................. 8

07. Rainy FL Series - Technical Parameters ....................................... 12

08. Overall view of the Dual Intensity RWH Filter ................................ 13

09. Filter Installation - Instructions ..................................................... 14

10. Care and Maintenance ................................................................ 23

11. Troubleshooting Information ........................................................ 26

12. DO’s and DON’Ts ......................................................................... 27

13. Warranty / Warranty Terms and Conditions.................................... 28

.....................................................

Rain is the first form of water that we know in the hydrological cycle, hence it is

the primary source of water. Rainwater Harvesting is the activity of direct

collection and storage of rainwater, rather than allowing it to run-off. The

rainwater so collected can be stored for direct use or can be recharged into the

groundwater source. In present times, we depend entirely on secondary

sources of water such as rivers, lakes, bore-wells, etc. In the process, it is

forgotten that rain is the fundamental source that feeds all these secondary

sources. Rainwater harvesting is the key to sustainable future and a substantial

step for mitigating climate change.

Rainwater is regarded as the purest form of water in nature. All the natural water

contains dissolved ions (anion and cation) within them.

Rainwater is formed due to natural distillation process i.e., evaporation,

condensation and precipitation. It is supposed to be in very dilute solution with

very less dissolved solids generally between 10-20 mg/Liter.

All the dissolved ions present in them are in the range of 1-3 mg/Liter.

Therefore, rainwater is considered to be pure and can be used for regular

usages. Additionally, their pH is between 6.7 and 7.2 for consumption

purposes. This concentration varies regionally.

Even though Rainwater is the purest form of water, while it pours down on the

roof of the buildings it gets mixed with dirt particles, leaves, debris, bird

droppings and other undesirable substances deposited on the roof and flows

through the Rainwater Drain pipes. To flush out these impurities before letting

the water into the Sump or Recharging well, appropriate filter has to be

incorporated by studying the size of the building’s roof area, intensity of rainfall,

sizes of the pipeline, sump capacity and filter capacity etc.

Quality of Rainwater

Why Rainwater Filters are required?

Option 1

Storing the filtered

rainwater in the

underground

sump for re-

utilization purpose

Option 2

Recharging the

borewell by

connecting the

filtered water

directly to the

casing pipe if roof

area is less than

200 sq. mts.*

Option 3

Recharging of the

borewell if roof area

is more than 200

Sq. mts. through

Farmland ‘V’-Wire

Technology

Option 4

Recharging of

Open Well

*Please note that the intake of rainwater depends upon the characteristics of individual bore wells. Sometimes,

the water may percolate through the casing quickly and in some cases, the bore well may overflow. In that

situation, it is advisable to go for a recharging well as in Option 3

Aquifer

Circular Reinforced

Groundwater Source

concrete storage wall

Rainy filters

Groundwater recharging (Bore-well Recharging) through Rainwater.

If the rooftop area is more than 200 Sq. meters, the rooftop water can be directly diverted

to the bore-well through a rainwater filter. Else, the surface run off is channelized to the

recharging structure as follows; ‘V’-wire injection well technology can be used to

recharge groundwater sources and replenish the water table. Run off rainwater is made to

pass into a silt trap through a channel and then to an injection well. Here, it goes through

multiple filtration media and is eventually passed on to a specially designed storage well.

The storage well has dual non clogging ‘V’-Wire screens attached to a percolator pipe.

The clean water is then made to percolate into deep layers of the Earth’s strata, ultimately

recharging the groundwater source and replenishing the water table.

1 square meter of area at the rate of 25.4 mm precipitation of rainfall, the collection of

water=25.43 liters, therefore, 1 acre of area (43560 sq.ft or 4050 sq.m) yields

103012.36 liters of water.

Considering 100 square meters of roof area.

Roof area in square meter x coefficient of friction of roof x filter efficiency x

rainfall in mm = water in liters.

Evaporation, friction and absorption of water by the roof etc.

Usually 15 to 25% loss of water will be occurred depending upon the type of roofs.

It depends upon the type of filter and manufacturer’s guarantee on

performance and efficiency of filter

Per day s highest rainfall or per year s average rainfall to be

considered.

Roof area-100 sq.m, Coefficient of friction-0.85%, Filter Efficiency-90%, Average

Rainfall/year considered 1000 mm.

100x 0.85x 0.90 X 1000= 76500 liters

Size of the water storage tank can be decided based on the roof area available for

harvesting the rainwater while considering either highest rainfall per day or 5% of

average annual rainfall. For the above said area the ideal tank capacity would be 5000

liters.

While calculating the sizes of water tanks, filter, rain gutters, down take pipes etc.

it is suggested to assume 20% higher capacity than the original value in order to round

off the error and to accommodate slight tolerance range.

Example:

Calculation:

Coefficient of friction:

Filter efficiency:

Rainfall in millimeter: ’ ’

To calculate the required tank size:

Note:

Farmland Rainwater Harvesting Systems (FRHS), founded in 2002, aimed

at end to end solutions for installations of Rainwater Harvesting Systems

including patented products and ongoing R&D Manufacturing.

Our mission statement is to conserve every drop of rainwater by using

continuous innovation.

Giving back to nature and reducing our carbon footprint for a greener

tomorrow is at the core of everything we do.

We are building scientifically engineered systems of rainwater harvesting,

which will enable customers with economical, high quality and easy to

maintain products.

We pride ourselves in having our own research facility, which has our

Hydraulic Testing Lab equipped with the latest machinery.

Our widespread dealer network spanning over 11 countries with highly

trained field service engineers are always available to solve every query.

Congratulations on adapting RAINWATER HARVESTING SYSTEM by

installing our state of the art 'Rainy' Dual Intensity Rainwater Harvesting

Filter. We appreciate your initiative towards water conservation.

`RAINY', first of its kind Rainwater Harvesting Filter with unique self-

cleaning and auto flush out arrangements.

The ‘RAINY’ Filter in your possession is the result of over 20 years

continuous R&D done by the team of FARMLAND RAINWATER

HARVESTING SYSTEMS, by studying the pattern of rainfall in rural and

urban areas, intensity of rainfall, type of houses, pipeline used for rainwater

outlets, reutilization, recharging of ground water and tube well etc.

Introduction

Our continuous efforts, extensive research and development work of over two

decades resulted in the invention of a completely revolutionary type Dual

Intensity Rainwater Harvesting Filters, works by gravity, based on the working

principle of cohesion and centrifugal force. The key point of this filter is the self

cleaning mechanism in eliminating the need of periodic maintenance. Constant

innovations with the help of cutting-edge technologies led to further

improvement in the design and manufacture of the rainwater harvesting filters.

It is scientifically designed and built to give you a long and dependable service.

Careful selection of materials and manufacturing assures you a satisfactory

performance as per the filter rating. All materials used in this technology are

highly durable and recyclable.

In recognition of the successful implementation of the technology, involving,

rooftop ‘Rainy’ rainwater harvesting filters enabled various walks of life

overcome the water crisis in most drought prone districts belonging to various

states of India. The implementation of this nascent technology is recognized and

awarded with few National and International Awards, National award in the year

2009 from Confederation of Indian Industry (CII) as “Most Innovative Water

Saving Product”and International award in the year 2010 from JSW The Times

of India “Earth Care Award for Innovation for Climate Protection”. In addition to

various other recognitions FRHS has received the prestigious “Green

Champions Award”in the year 2011 presented by Indian Green Building Council.

In the year 2014 another International award from JSW The Times of India “Earth

Care Award”awarded to FRHS in relation to our Innovative FL-V Wire Injection

Well Technology involving groundwater recharge in the category of ‘Innovation

for Climate protection’, National award by Aqua Foundations as ‘Aqua

Foundation’Excellence Award 2017 under the category of Industrial Excellence

in Development of Technology in the Field of Rainwater Harvesting, In the year

2018, SKOCH group conferred highest independent honour by endowing

“SKOCH award - Achiever Silver”for the innovation of ‘Rainy Filters’.

‘RAINY’Filter will give you years of trouble-free performance if handled with

care. This User Guide contains step by step direction. It covers general

instructions bout installation and operation of ‘Rainy’Filters. Read this manual

and comply ith the instructions so that your ‘Rainy’Filter is bound to serve

you well.

‘Rainy’ Filter can be fixed to the wall by connecting to the hollow pipe

which is drawn from the roof into the Filter Inlet. The Rainwater along

with dirt & debris flows by Gravity through the hollow pipeline, enters

into the filter, starts rotating in anti-clockwise direction at the periphery

of the upper housing so as to flow into the SS-304 filter element placed

in the lower housing in angular motion at specific speed & velocity which

creates Cohesive force at low intensity & Centrifugal force at high

intensity of rainfall. In both situations, involving low & high intensity of

rainfall, the working principle of the filter based on cohesive &

centrifugal force respectively, aids the filter element to flush out

automatically the dirt & debris through the drain outlet and

simultaneously divert clean water into the sump/recharging well

through the clean water outlet, which can be used for reutilization or

recharging of groundwater source.

Special Features

• Since the filter assembly is an open drain system, it does not allow

for the stagnation of water and solid particles, eliminating the need

for periodic maintenance.

• The filter has self-cleaning capabilities enabled by its unique

working principles, with efficiency of over 90%.

• No external source of energy is required, because the filters are

designed to operate by Gravitational force.

• Rainy filters are extremely versatile such that they can be

accommodated anywhere, from being wall mounted on low lying

roofs to underground ducts.

• Tough UV stabilized high density polyethylene housing.

• Filter Element SS-304 is multi-surface screen.

• All the material used are food grade and recyclable.

• Filter pipe connections can be turned up to 360 degrees allowing it to

suit the given site conditions

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