Copyright © 2014
Ikhwezi Solar (Pty) Ltd, Novatherm CC, Solar Assist (Pty) Ltd
1
Contents
1.
Introduction ............................................................................................................................... 2
2.
System description ..................................................................................................................... 2
2.1
Configurations .................................................................................................................. 2
3.
Health and safety ....................................................................................................................... 2
3.1
General ............................................................................................................................ 2
3.2
Installation considerations ................................................................................................. 2
4.
System configurations ................................................................................................................ 3
4.1
Novasun Thermosiphon System
.................................................................................. 3
4.2
Novasun Split-pumped System
.................................................................................... 3
5.
Frost, scaling and hail resistance, stagnation................................................................................ 4
5.1
Hail resistance
............................................................................................................... 4
5.2
Freeze protection
.......................................................................................................... 4
5.3
Direct systems – Freeze resistant
................................................................................ 4
5.4
Scale resistance
............................................................................................................ 4
6.
System placement and orientation............................................................................................... 4
6.1
Collector orientation .......................................................................................................... 4
6.2
Shading............................................................................................................................ 4
6.3
Tilt angle .......................................................................................................................... 5
6.4
Water supply / delivery ..................................................................................................... 5
6.5
Roof structural integrity .................................................................................................... 5
7.
Mounting methods ..................................................................................................................... 5
7.1
Selection of appropriate mounting method ......................................................................... 5
7.2
System mounting methods ................................................................................................ 5
8.
Mounting process ....................................................................................................................... 7
8.1
Suggested mounting method 1 .......................................................................................... 7
8.2
Suggested mounting method 2 .......................................................................................... 8
9.
System Installation ..................................................................................................................... 8
9.1
General installation technique ............................................................................................ 8
9.2
Cylinder and System plumbing ........................................................................................... 8
9.3
Geysers ............................................................................................................................ 9
9.4
Electrical connection ......................................................................................................... 9
9.5
Installation Diagrams ........................................................................................................ 9
Pumped System – Installation Diagram........................................................................................ 9
10.
System commissioning ............................................................................................................. 11
10.1
Commissioning direct systems ......................................................................................... 11
11.
Installation checklist ................................................................................................................. 11
12.
System Selection and Sizing ...................................................................................................... 12
12.1
Introduction ................................................................................................................... 12
12.2
System sizing ................................................................................................................. 12
12.3
System type ................................................................................................................... 12
13.
Owners operating and maintenance instructions ........................................................................ 13
13.1
Introduction ................................................................................................................... 13
13.2
Operating and efficient use ............................................................................................. 13
13.3
Over-night temperature stabilisation ................................................................................ 14
13.4
High water temperature .................................................................................................. 14
13.5
Periods of reduced usage or holidays ............................................................................... 14
13.6
Freeze protection liquid ................................................................................................... 15
13.7
Setting the time clock ..................................................................................................... 15
13.8
Owner maintenance ........................................................................................................ 17
13.9
Troubleshooting .............................................................................................................. 18
14.
Warranties ............................................................................................................................... 18
15.
Contacts .................................................................................................................................. 18
16.
Warranty Contact Centre .......................................................................................................... 18
17.
Warranty Services: (log warranty services) ................................................................................ 19
