WATER SUPPLIES
16
-1.0
no war
ranty
ap
pli
es
to
a:
te
m
p
e
ra
tu
re
p
re
ss
u
re
r
e
lie
f
va
lv
e
o
r
a
w
a
te
r
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e
a
te
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cy
lin
d
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r
u
n
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ss
a
n
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xp
a
n
si
o
n
c
o
n
tr
o
l v
a
lv
e
is
f
itt
e
d
.
no war
ranty
ap
pli
es
to
a:
-c
o
p
p
e
r
sh
e
a
th
e
d
h
e
a
tin
g
u
n
it
-d
ir
e
ct
(
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n
c
ir
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it)
s
o
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r
co
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ct
o
r
SATURATION INDEX (SI)
SOLAR WATER HEATERS - ELECTRIC BOOST
WITHIN WARRANTY
SPECIFICATION
SATURATION INDEX
(calculated @ 80°C water temperature)
no war
ranty
ap
pli
es
to
a:
-s
ta
n
d
a
rd
w
a
tt
s
d
e
n
si
ty
h
e
a
tin
g
u
n
it
-d
ir
e
ct
(
o
p
e
n
c
ir
cu
it)
s
o
la
r
co
lle
ct
o
r
+0.4
+0.8
0
very corrosive
very scaling
scaling
corrosive
SUMMARY OF WATER CHEMISTRY ADVICE AFFECTING WARRANTY
The warranty of this water heater does not apply on the components listed below if the water heater is
connected at any time to a water supply with water chemistry of:
Water Chemistry
Component
Total Dissolved Solids (TDS) > 2500 mg/L
water heater cylinder
Total Dissolved Solids (TDS) not suitable for anode type
water heater cylinder
Saturation Index (SI) < -1.0
solar collector
copper sheathed heating unit
Saturation Index (SI) > +0.4
(if an expansion control valve is not fitted)
water heater cylinder
temperature pressure relief valve
Saturation Index (SI) > +0.8
solar collector
standard watts density heating unit
