Pipework & Liquids
Is anti freeze being used as the solar system fluid?
(confirm)
Ensure solder joints are not used throughout ther entire system
(confirm)
Ensure high temperature insulation is used throught all pipe work in solar system
(confirm)
Ensure white paste and hemp is used on all fitting connections throughout
(confirm)
Ensure you use Joule copper overflow and discharge vessel to recover fluid from safety valve
(confirm)
Water Quality
Water sample visually inspected and no signs of contamination visible
(yes/no)
When installing the solar system it is important to check the quality of the existing incoming water to the hot
water cylinder. If you are in doubt as to its purity a sample should be sent off to the department of health
for testing.
Fire Safety
Ensure that there is no obvious risk to fire prevention by installing the solar system.
(confirm)
Ensure that all wires are not in direct connection with any un-insulated pipe work or plant that could cause a
risk of burning
(confirm)
Legionella / Bacterial Growth
Ensure that there is no dead legs in the existing plumbing system that could induce the growth of legionella.
(confirm)
Ensure that the stats controlling the boiler and the stat controlling the immersion are set to 60 °C or above.
(confirm)
Ensure that the client understands the risk of legionella and the standard procedures for reducing the risk
of it forming. Also ensure that the client understands that you are their to install a solar thermal system and
that you do not take any responsibility for auditing their hot water system for risk of legionnella forming.
That you will endeavour to minimise the risk of it forming by the work that you carry out but any existing
risk should be dealt with a certified professional.
(confirm)
7
NAVITAS
installation manual
