Before Installation Info
Inter Solar representative must be contacted to decide which system is suitable to meet your hot water requirement.
As a first step find out answers to following questions, which will define you requirement
- Number of Hot water outlets Keeping number of outlets to minimum reduces surface heat loss through piping length
- Insulation of Hot water piping . Hot water pipes from solar system to tanks must be insulated to reduce heat loss thorough pipes.
- Total water requirement (for bathing) for this you can refer below given detailed table.
|Usage Classification||Usage Pattern||Per Person Requirement (liters)|
|Row House / Small independent Home||Non Shower Based||20 to 25|
|Shower based||30 to 35|
|Pressurized Application||60 to 80|
|Apartment 1 BHK type||Shower based||25 to 30|
|Apartment 2 BHK type||Shower based||30 to 35|
|Apartment 3 BHK onwards type||Shower based||40 to 45|
|Luxurious Apartment||Pressurized Application||80 to 100|
|Hostel with dormitory||Taps outside the bathrooms||15 to 20|
|Hostel / Guest House||Shower based||30 to 40|
|Hotel – Low Budget||Shower Based||30 to 35|
|Hotel – Medium Budget||Shower Based||40 to 65|
|Hotel — High Budget||Shower + Bathtub Based||100 to 130|
|Canteen / Restaurant / Fast-food Joint||Hot water tap for plate cleaning||12 to 16 per plate|
|Industrial / Institutional requirement||Various pattern of usage||To be decided on actual basis|
For Residential use of Solar Water Heater, you can also use below given chart whereby you can select model directly.
|Model Details||No of Tubes (for high radiation area)||No of Persons|
|ETC 100 LPD||10||2|
|ETC 200 LPD||20||5|
|ETC 300 LPD||30||8|
|ETC 500 LPD||50||15|
Please note that above given calculation are based on company experience and customers feedback. Actual user requirement may vary from case to case basis.