Section 9 - Solar water heating
9.1 - Scope of guidance
- The minimum provisions for collector certification, identification and testing as specified in Table 31 (row a).
- The minimum provisions for selection of transfer fluid in the collector primary loop as given in Table 31 (row b).
- The minimum provisions for circulation pump power as given in Table 31 (row c).
- The minimum provisions for heat-exchanger sizing as given in Table 31 (row d).
- The minimum provisions for control of the system as given in Table 31 (row e). Where work is carried out in a dwelling that already has a solar hot water system it is recommended that the system control is upgraded in line with the minimum provisions for systems in new dwellings.
- The minimum provisions for solar pre-heated water storage as given in Table 31 (row f). Where work is carried out in a dwelling that already has a solar hot water system it is recommended that the insulation is upgraded in line with the minimum provisions for systems in new dwellings.
- The minimum provisions for storage of solar pre-heated water as given in Table 31 (row G).
- The minimum provisions for system labelling and commissioning, as given in Table 32 (rows h and i).
- The minimum provisions for insulating pipes in a solar primary system, as given in Table 33.
Supplementary information on solar water heating
- CE131 Solar water heating systems. Guidance for professionals, conventional indirect models.
- CE51 Central Heating System Specifications (CHeSS).
Glossary of standards relevant to solar hot water heating