ºC ºF
Ti
Calcuim
Hardness
Ci
To ta l
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
Si = pH + Ti + Ci + Ai - 12.
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
3
1. Preparing Pool/Spa Water
General Water Chemistry
Salt is required only if you are using the chlorinator features on the Pro Logic Control. If you are NOT using the
chlorinator, it is recommended that you follow all of the other chemistry recommendations besides salt. Refer to the
description of the Pro Logic configuration menu for information on enabling/disabling the chlorinator (see page 24).
Water Chemistry
The table below summarizes the levels that are recommended by the Association of Pool and Spa Professionals
(APSP). The only special requirements for the Pro Logic are the salt level and stabilizer.
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 ±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
chart below to determine the saturation index.
The pool’s chemistry must be balanced BEFORE activating the Pro Logic’s optional chlorinator function. NOTE:
If the pool does not have new water, add metal remover and non-copper based algaecide to the pool, per
manufacturer’s instructions. This ensures a quick, troublefree transfer to the Pro Logic system.
40
VSP Speed
%
Toggle between % and RPM
Move to
previous/next configuration menu
if any output is configured as a
This is the unit of measure for displaying the speed of the variable speed pump. Select % of maximum
speed (3450 RPM) or revolutions per minute (RPM).
Reset ColorLogic to
Default Press +
Are you sure?
+ to proceed
ColorLogic. reset
Confirmed
Initiate reset of ColorLogic configuration parameters
Reset all configuration parameters
Move to previous/next configuration
Move to previous/next menu (config. not reset)
Move to previous/next configuration menu
if ColorLogic Network Module is detected
Use this function to erase all ColorLogic configuration settings and reset back to the factory default
values. This function is NOT reversible--be careful.
Reset Config. to
Default Press +
Are you sure?
+ to proceed
Config. reset
Confirmed
Initiate reset of all configuration parameters
Reset all configuration parameters
Move to previous/next configuration
Move to previous/next menu (config. not reset)
Move to previous/next configuration menu
Use this function to erase all previous system configuration settings and reset all configuration
parameters back to the factory default values. This function is NOT reversible--be careful.
Maintenance Menu (only displays if Sensing System is enabled)
The Maintenance Menu will be displayed only if the optional AQL-CHEM is used and the Sensing System is
enabled in the Chemistry Config. Wizard. This menu is used to perform functions relating to the AQL-CHEM ORP
and pH sensing kit.
pH Calibration
Wizard, + to enter
Push to access pH Calibration Wizard
Move to previous/next menu item
Use this Wizard to calibrate the AQL-CHEM’s pH probe. This requires a manual pH test of the pool
water using a dependable red phenol test kit.
Clean Probe Wizard
+ to enter
Push to access Clean Probe Wizard
Move to previous/next menu item
Use this Wizard to clean the AQL-CHEM’s ORP and pH probes. The probes must be clean and free
from oil, chemical deposits and contamination to function properly. Slow response, increased need to
calibrate, and inconsistent readings are indications that the probes need to be cleaned.
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