Water Chemistry
As with any pool, it is important that you maintain chemical makeup of the pool water.
The table on page 2 summarizes the levels that are recommended by the National Spa
and Pool Institute (NSPI). The only special requirement for the Aqua Trol is the salt
level and stabilizer. It is important to maintain these levels in order to prevent corro-
sion or scaling and to ensure maximum enjoyment of the pool. Test your water
periodically. Your local pool store can provide you with the chemicals and proce-
dures to adjust the water chemistry. Be sure to tell the pool store that you are using
an Aqua Trol
chlorine generator.
Saturation index
The saturation index (Si) relates to the calcium and alkalinity in the water and is an
indicator of the pool water "balance". Your water is properly balanced if the Si is 0 ±.2.
If the Si is below -0.2, the water is corrosive and plaster pool walls will be dissolved
into the water. If the Si is above +0.2, scaling and staining will occur. Use the equation
and chart below to determine the saturation index.
2
ºC ºF
Ti
Calcuim
Hardness
Ci
Total
Alkalinity
Ai
53
60
66
76
84
94
103
12
16
19
24
29
34
39
.3
.4
.5
.6
.7
.8
.9
How to use:
Measure pool pH, temperature, calcium hardness,
and total alkalinity. Use the chart above to determine Ti, Ci,and
Ai from your measurements. Insert values of pH, Ti, Ci and Ai
into the above equation. If Si equals .2 or more, scaling and
staining may occur. If Si equals -.2 or less corrosion or irritation
may occur.
Si = pH + Ti + Ci + Ai - 12.1
-.2
0
.2
CORROSIVE
SCALING
75
75
100
100
125
125
150
150
200
200
250
250
300
300
400
400
600
600
800
800
1.5
1.9
1.6
2.0
1.7
2.1
1.8
2.2
1.9
2.3
2.0
2.4
2.1
2.5
2.2
2.6
2.4
2.8
2.5
2.9
OK
9
FROM
FILTER
RETURN
JET
Plumbing
Unscrew the hose adaptor from the pool return jet fitting and, in its place, screw in the
right-angle cell mounting adaptor. Note that this installation does NOT require a flow
switch--however it is very important that the cell be mounted vertically directly below
the return jet in order to allow the gases produced in the cell to naturally dissipate in
the pool. Attach the cell to the union and then use the fittings supplied to attach the
lower end of the cell to either the hose or rigid PVC pipe coming from the pools
filtration system. Tighten all union nuts
BY HAND
for a watertight seal.
Wiring
Power must be shut off at the circuit breaker before performing any wiring. Be sure to
follow Local and NEC/CEC electrical codes. The Aqua Trol has been designed to
easily wire into typical above ground pool systems. To provide safe operation, the
Aqua Trol must be properly grounded and bonded.
Input Power
The standard 120 VAC line cord should be plugged into a GFCI receptacle. See
diagram below.
SUBPANEL
GROUND
NEUTRAL
GFCI
OUTLET
AQUA TROL
(AQ-TROL-RJ-CUL)
Aqua Trol
