EVACUATED TUBE COLLECTOR (ETC) SOLAR WATER HEATER TECHNICAL DETAILS (DOMESTIC SYSTEMS )

 

Model

 

Utility points

Number of persons using hot water

Number of headers

Number of evacuated tubes

Back up heater
(optional)

Inner tank

Inlet\outlet
Pipe size of storage tank

Outer cover

Tank insulation

Approx.wt of one complete system without water

System height from the roof

Min.required overhead tank height from the roof

Min.space area reqd. (NS X EW)

100 LPD

2

2-3

-

10

2KW

SS 304-L

1.9cm (3/4”)

SS/Precoated Galvanized

PUF

51kg

1.1m

1.25

1.75 x1.3m

125 LPD

2

3-4

-

12

2KW

SS 304-L

1.9cm (3/4”)

SS/ Precoated Galvanized

PUF

61kg

1.1m

1.25

1.75 x1.5m

150 LPD

3

4-5

-

15

2KW

SS 304-L

1.9cm (3/4”)

SS/ Precoated Galvanized

PUF

72kg

1.1m

1.25

1.75 x1.9m

200 LPD

4

5-6

-

20

2KW

SS 304-L

1.9cm (3/4”)

SS/ Precoated Galvanized

PUF

98kg

1.1m

1.25

1.75 x2.3m

250 LPD

5

6-8

1 No

25

2KW

SS304-L

1.9Cm (3/4’’)

SS/ Precoated Galvanized

PUF

125Kg

1.1m

1.25

1.75 x 2.3m

300 LPD

5

8-9

1 No

30

2KW

SS 304-L

1.9cm (3/4”)

Precoated Galvanized

PUF

152kg

1.7m

1.85m

3.7 x4.2m

500 LPD

8

14-15

1 No

50

4KW (2KW+2KW)

SS 304-L

2.54cm (1”)

Precoated Galvanized Stucco

PUF

282kg

2.08m

2.23m

4 x4m