Catalogue values for Solar Water Heating System as per IS 12976:1990
| Category | Specification | Bid Requirement (Allowed Values) |
|---|---|---|
| GENERIC | BIS Approved | Yes |
| Solar water Heating System Compatibility with Heat Exchange | Solar water Heating System with out Heat Exchanger | |
| Rated Capacity in Litres per Day (LPD) | 500 | |
| Warranty (Years) | 3 Years | |
| CONSTRUCTIONAL | Aperture area of collector , Sq. Meteres (Sq Meter) | 9.0 |
| Electrical Heater ( Back up ) Capacity (kw) | 2 | |
| Capacity of Make up tank( SWHS with Heat Exchanger only ) (Ltrs) | 5.0, 10.0, NA | |
| Type of Cover Plate conforming to IS 12933/2003 | Made up of Toughened Glass with thickness 4.00 mm minimum | |
| Solar Transmittance for cover plate at normal Incidence (%) | 92 | |
| Material for Collector Box | Aluminium | |
| Minimum Channel Section Thickness for sides ( For Al based) | > / = 1.4 mm for aluminium based | |
| Material of sheet for absorber | Copper | |
| Material for Hot water storage Tank | SS304, SS 316, Cold Rolled Steel (other material as per MNRE Notification year2011), Mild Steel, any other Material with anticorrosive coating for hard water with chlroine components | |
| Position of Hot water tank | Horizontal | |
| Material for Heat Exchanger | Copper | |
| Numbers of Electrical Heaters ( Back Up Type ) provided | 2 | |
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