
Table of Contents
1. Introduction .................................................................................................................................. 3
1.1. General safety instructions .................................................................................................. 3
1.2. General standards to be observed ....................................................................................... 3
1.2.1. Photovoltaic solar standards .................................................................................... 3
1.2.2. Solar thermal standards ........................................................................................... 4
1.3. Important points before starting the installation ..................................................................... 4
1.3.1. Pipes and fittings ..................................................................................................... 4
1.3.2. PVC stripper and glue .............................................................................................. 5
1.3.3. Various ................................................................................................................... 5
1.3.4. Tools ....................................................................................................................... 5
2. The DualSun SPRING hybrid panel ................................................................................................ 6
2.1. Technical characteristics of the DualSun SPRING panel ....................................................... 7
2.2. Recommended hydraulic flow rates for the DualSun SPRING panel ...................................... 7
2.3. Maximum allowable pressures for the DualSun SPRING panel ............................................. 8
3. Installation of the DualSun solar heating system for individual swimming pools ................................. 9
3.1. Operating principle and limits ............................................................................................ 10
3.2. Constitution of the DualSun solar pool heating kit ................................................................ 11
3.3. Constitution of the DualSun solar pool drain kit ................................................................... 12
3.4. Installation of the DualSun SPRING hybrid panel ............................................................... 12
3.4.1. Hydraulic layout with the DualSun SPRING hybrid panel .......................................... 12
3.5. Selection of transfer pipes for DualSun solar swimming pool heating system ........................ 12
3.6. Operation of the filtration pump and verification of its characteristics .................................... 13
3.7. Installation of the DualSun BS/2 solar controller ................................................................. 14
3.7.1. General ................................................................................................................ 14
3.7.2. Overview of the DualSun BS/2 solar control system ................................................. 14
3.7.3. Technical characteristics of the DualSun BS/2 solar control unit ................................ 15
3.7.4. Fixing of the DualSun BS/2 control unit ................................................................... 15
3.7.5. Electrical connections of the DualSun BS/2 solar control unit .................................... 16
3.7.6. DualSun BS/2 control buttons ................................................................................. 19
3.8. Installation of the motorized 3-way valve ............................................................................ 19
3.8.1. Technical data of the motorized 3-way valve ............................................................ 20
3.8.2. Hydraulic connection of the motorized 3-way valve .................................................. 20
3.8.3. Electrical connection of the motorized 3-way valve .................................................. 22
4. Commissioning of the DualSun individual swimming pool heating system ....................................... 23
5. Shutdown of the DualSun individual solar pool heating system ....................................................... 26
6. Guarantees ................................................................................................................................ 27
6.1. Commissioning report ....................................................................................................... 27
7. General recommendations ........................................................................................................... 28
Installation, use, maintenance manual - DualSun solar heating system for individual
swimming pools
2