2 – Contents
Contents
Part 1: Product and safety information
Page – 3
− Definitions
Page – 3
− Local installation regulation
Page – 3
− Water temperature adjustment
Page – 3
Part 2: General information
Page – 4
− Preface
Page – 4
− Introduction
Page – 4
− System description
Page – 4
− Specifications
Page – 4
− Collectors and flashings
Page – 4
− Solar storage tank
Page – 5
− Collector loop piping
Page – 5
− Pump station controller
Page – 5
− Balance of system
Page – 5
Part 3: Kit installation
Page – 6
− Installation check list
Page – 6
− VELUX solar system with electric or gas back-up
Page – 7
− VELUX solar system with boiler back-up
Page – 8
− VELUX solar system with tankless back-up
Page – 9
− VELUX solar pre-heat water heating system
Page – 10
− VELUX solar system components
Page – 11
− Solar collector orientation
Page – 14
− Collector installation
Page – 14
− Collector location on 16” o.c. rafters
Page – 15
− Collector location on 24” o.c. rafters
Page – 16
− Flashing installation
Page – 20
− Solar storage tank and pump station controller location
Page – 21
− Inspection of solar storage tank
Page – 22
− Solar storage tank and pump station controller installation Page – 22
− Expansion tank installation
Page – 23
− Air separator and fittings to tank
Page – 24
− Solar loop piping to collectors
Page – 24
− Solar loop piping to heat exchanger
Page – 25
− Potable water piping
Page – 26
− Tank and collector temperature sensor connection to
pump station controller
Page – 28
− Solar loop and potable water piping insulation and support Page – 28
− Electrical connection (electric backup systems only)
Page – 29
− Gas connection (gas backup systems only)
Page – 30
− Venting connection (gas backup systems only)
Page – 31
− Boiler backup HX connection (boiler backup systems only)
Page – 32
− Boiler loop circulator sizing (boiler backup systems only)
Page – 32
− Charging the potable water system
Page – 32
− Freeze protection
Page – 32
− Commissioning the solar system
Page – 33
− Programming system controller
Page – 34
− System controller operation
Page – 34
Part 4: Maintenance
Page – 35
− Maintenance check list
Page – 35
− Shut down procedures
Page – 35
− Vacation planning
Page – 35
− Estimated life of components
Page – 36
Part 5: Specifications
Page – 37
− VELUX solar collector
Page – 37
− VELUX flextubes and connections
Page – 38
− VELUX solar storage tanks (electric backup)
Page – 39
− VELUX solar storage tanks (heat exchanger backup)
Page – 40
− VELUX solar storage tanks (atmospheric gas backup)
Page – 41
− VELUX solar storage tanks (power vent gas backup)
Page – 42
− VELUX solar pump station
Page – 43
− VELUX heat transfer fluid
Page – 44
− Testing heat transfer fluid pH level
Page – 44
− Spill, leak and disposal procedures for propylene glycol
Page – 44
− Propylene glycol emergency overview
Page – 45
Part 6: Component lists
Page – 46
− VELUX solar system kits
Page – 46
Part 7: Troubleshooting
Page – 50
VELUX solar SRCC OG-300 label set
Page – 52
Maintenance notes
Page – 53
Service Information
Page – 54
SRCC OG-300 System Certification
Page – 55
