Autopilot SpaPilot SP Series User manual

LTP0091 REV V1.0
Owner’s Manual
Models: SP_-_ _ _
WARNING: Read manual before installation or
operation.
INSTALLER: This manual is the Purchaser’s Property
and is to remain with the SpaPilot®.

i
RECORD YOUR SPAPILOT®INFORMATION
Control Unit model
Control Unit serial number
Model = SP_-O__ or
Model = SPW (all)
Cell type = Over the Wall (Convection)
Model = SP_-I__
Cell type = Inline
Cell serial number
Installer
Install Date
CONTACT INFORMATION
Web
www.AutoPilot.com
Phone
[phone]
Customer Service Hours
8 a.m. to 5 p.m. EST, Monday –Friday
Address
AquaCal AutoPilot, Inc.
2737 24th Street North
St. Petersburg, Florida 33713
USA
If you should need to call AquaCal AutoPilot, Inc. for questions, service or
parts, please have your model and serial numbers available. Please also have
the name of your installer and date of your equipment’s installation. If you have
questions, please refer to our website for the latest manual revisions,
additional information and helpful service advice.
SYMBOL KEY
CAUTION
WARNING
READ MANUAL BEFORE INSTALLATION & OPERATION
WASTE ELECTRICAL & ELECTRONIC EQUIPMENT DIRECTIVE

ii
TABLE OF CONTENTS
RECORD YOUR SPAPILOT®INFORMATION................................................. I
CONTACT INFORMATION............................................................................... I
SYMBOL KEY................................................................................................... I
IMPORTANT SAFETY INSTRUCTIONS ........................................................IV
HOW THE SPAPILOT® WORKS...................................................................... 1
DISPLAY, LED INDICATORS, BUTTONS ...................................................... 1
SPA WATER PREPARATION......................................................................... 2
Add Water.............................................................................................. 2
Add Salt ................................................................................................. 2
Establish Sanitizer Residual................................................................... 3
Recommended Water Parameters......................................................... 3
DECIDE WHICH MODE TO USE:PERCENTAGE OR USAGE ...................... 4
PERCENTAGE MODE –MENU TREE............................................................ 5
PERCENTAGE MODE –SETTING THE OUTPUT %...................................... 6
Percentage Setting - Set a % Output for the Spa Size........................... 6
Percentage Setting –Add to % to Increase Output for Regular Usage.. 6
Percentage Mode Example:................................................................... 7
PERCENTAGE MODE..................................................................................... 8
Boost –How and When to Use.............................................................. 8
The “Day” Feature.................................................................................. 9
The “Reversing” Feature ...................................................................... 10
The “Configuration” Feature................................................................. 11
The “Spa Size” Feature........................................................................ 12
The “Information” Feature .................................................................... 13
USAGE MODE –MENU TREE...................................................................... 14
USAGE MODE –SETTING THE OUTPUT.................................................... 15
Set Sanitizer Output Based on Spa Size.............................................. 15
Set Sanitizer Output Based on Spa Usage .......................................... 16
Usage Mode Example.......................................................................... 16
USAGE MODE............................................................................................... 17
Boost –How and When to Use............................................................ 17
The “Day” Feature................................................................................ 18
The “Reversing” Feature ...................................................................... 20
The “Configuration” Feature................................................................. 21
The “Spa Size” Feature........................................................................ 22
The “Information” Feature .................................................................... 23
WINTERIZING THE SPAPILOT®................................................................... 24
CLEANING THE OVER THE WALL (CONVECTION) CELL......................... 25
CLEANING THE INLINE CELL...................................................................... 26

iii
WHAT IS INCLUDED WITH THE SPAPILOT®.............................................. 27
INSTALLATION –SURFACE MOUNT CONTROL UNIT.............................. 28
OEM –INSTALLATION –FLUSH MOUNT CONTROL UNIT ....................... 29
OEM –INSTALLATION CONT. –POWER, INLINE CELL............................ 30
OEM –INSTALLATION CONT. –POWER, INLINE CELL............................ 31
INSTALLATION - WIRELESS REMOTE CONTROL..................................... 32
TROUBLESHOOTING ................................................................................... 33
SPECIFICATIONS.......................................................................................... 37
Model Breakdown –AC Power, Cell Type, etc..................................... 37
Control Unit Specifications................................................................... 37
Bezel Cutout Diagram.......................................................................... 38
Bezel Diagram...................................................................................... 38
Control Unit Diagram............................................................................ 38
Cell Specifications................................................................................ 39
Chlorine Output - lbs/day (g/day) ......................................................... 39
Inline Cell Diagram............................................................................... 40
Over the Wall (Convection) Cell Diagram ............................................ 40
AGENCY CERTIFICATIONS ......................................................................... 41
NOTES:.......................................................................................................... 42

iv
IMPORTANT SAFETY INSTRUCTIONS
WARNING: READ MANUAL BEFORE
INSTALLATION AND OPERATION:This manual contains
important information on the installation, use, and safety recommendations for
the SpaPilot®. It is your responsibility to install and use the SpaPilot®safely.
WARNING: Failure to heed the following may result in injury or death:
Disconnect all AC power when installing or servicing this system. If the
supply cord is damaged, it must be replaced immediately by the
manufacturer or a qualified service representative. Follow all state,
local, and National Electrical Code(s) (provincial and Canadian
Electrical Code(s) if applicable).
The SpaPilot®must be connected only to a supply circuit that is
protected by a ground-fault circuit-interrupter (GFCI). Contact a qualified
electrician if you cannot verify that the circuit is protected by a GFCI.
The GFCI must be tested on a routine basis. To test, push the GFCI test
button. Power should be interrupted. Push the reset button. Power
should be restored. If the GFCI fails to operate in this manner, it is
defective. If the ground-fault circuit-interrupter (GFCI) interrupts power
to the equipment without the test button being pushed, a ground current
is flowing and there is a possibility of an electrical shock. Do not use
equipment. Disconnect the equipment and have the problem corrected
by a qualified service representative before using.
SpaPilot®models that use an AC/DC adaptor require the AC/DC
adaptor be installed on a GFCI protected outlet with an approved
weather protective shielded enclosure that covers the adaptor.
Do not open the SpaPilot®control unit or power adapter. There are no
owner/user-serviceable components inside. Repairs must not be
attempted by untrained and/or unqualified individuals. If service is
deemed necessary, contact the installing dealer or AquaCal AutoPilot
Customer Support.
Do not immerse. The SpaPilot®control unit is not intended for
submersion, but may be installed in the spa zone. The SpaPilot®control
unit must be located or fixed so that it cannot fall into the spa.
Suitably rated CERTIFIED/APPROVED power supply cord, plug and
strain relief or cable gland appropriate for the applicable country are
intended to be installed and replaced by a manufacturer’s authorized
agent or qualified personnel.
Removable, Over the Wall type, cell should be lifted out of the spa and
stored out of the way when the spa is occupied. Do not drop, throw, or
otherwise mishandle the cell. Place the cell back in spa when
unoccupied. (This warning does not apply to the “Inline”cell.)
Children must be closely supervised at all times around the spa and spa
equipment. Children should be supervised so that they do not play with
the SpaPilot®Unit, Bromine/Chlorine Cell, or the wireless remote.
Boost
LED
oBlue –Active

v
IMPORTANT SAFETY INSTRUCTIONS
This unit (including the wireless remote) is not to be operated by
children. Likewise, the SpaPilot®remote should be mounted or stored
so that it is not accessible by the same.
The SpaPilot®unit (including the wireless remote) is intended to be
installed, operated and maintained by qualified/trained personnel
without reduced physical, sensory and mental capabilities.
The proper residual of chlorine or bromine and water parameters must
be maintained. Improper water parameters can present a serious health
hazard. See the section, Recommended Water Parameters, on page 3.
This is not an automatic water care system. The spa owner/user is
ultimately responsible for maintaining proper sanitary water conditions.
The user must regularly test the spa water to ensure that adequate
levels of bromine or chlorine are generated to achieve proper sanitizer
levels.
Heavy spa usage and higher water temperatures may require a higher
SpaPilot®output or manual shocking in order to maintain proper free
available chlorine / bromine residuals.
Supplemental sanitation may be needed under some conditions such
as:
oThe “Inline” cell unit is required to operate only when the filtration
pump is running. SpaPilot®sanitizer output may be reduced when
the filtration pump operation is reduced.
oThe “Over the Wall”cell will not generate sanitizer when it is
removed during spa usage.
For proper sanitation, spas must be completely drained periodically.
oReplacement Interval (days) = (Spa Gallons ÷ 3) ÷ Average Users
per day
For example: 300 gallon spa used by 2 adults 2 times a day 2
times a week 
=󰇛  )÷ 󰇛
󰇜
= 88 days
oOr Replacement Interval (days) = (Spa Liters ÷ 11.35) ÷ Average
Users per day
For example: 1000 liter spa used by 2 adults 1 time a day 5
times a week 
= (1000 ÷ 11.35) ÷ 󰇡
󰇢= 62 days
oRefill spa with water and prepare the spa water for use again. See
the section, Spa Water Preparation, on page 2.
Users should always shower before entering the spa.
Filter cartridges should be cleaned or replaced at regular intervals;
otherwise part of the sanitizer created by the SpaPilot®will only serve to
oxidize the accumulated dirt trapped in the filter.
Check the expiration dates of test strips/kits. Test results may be
inaccurate after expiration dates.
To avoid damaging splashes, always add acid to water, never water to
acid. Wear safety glasses and use other appropriate personal protection
equipment.
Boost
LED
oBlue –Active

vi
IMPORTANT SAFETY INSTRUCTIONS
Always follow the instructions on the manufacturer's label whenever
handling or using chemicals.
Leave spa cover open for at least 30 seconds prior to use to allow the
escape of trapped gases.
The SpaPilot®cell may be cleaned manually by the owner if needed.
Hazardous fumes/liquids could be present during this process. Remove
power from unit before cleaning. Determine your cell type and then refer
to the appropriate procedure, Cleaning the Over the Wall (Convection) Cell
procedure on page 25, Cleaning the Inline Cell,on page 26.
CAUTION: Failure to heed the following may result in equipment
damage not covered under warranty:
The SpaPilot®must be installed and operated as specified in this
manual.
Maintain water parameters as listed in this manual. Cell life may be
shortened due to excessive scale (calcium) formation in the cell if pH,
Total Alkalinity, and Calcium Hardness guidelines are not followed.
Never use sharp or metallic objects to remove calcium build-up.
Scraping or scratching the titanium blades will damage the cell’s
catalyst coating, causing premature failure of the SpaPilot®cell. Follow
the directions in this manual for properly cleaning the SpaPilot®cell.
Operating the SpaPilot®at reduced salt levels or with low water
temperatures will shorten the life of the cell.
Water must be drained from the SpaPilot®cell when winterizing the spa.
Do not operate the wireless remote while in the spa. The wireless
remote is not waterproof. Do not submerge the remote. The SpaPilot®
wireless remote should be located and/or used in a manner so that it
cannot fall into the spa.
Only sodium bromide and sodium chloride salt products approved for
use in pools/spas should be used. Do not allow granular salt to pile up
in one location as staining of the spa may occur. Circulate water until
the salt is dissolved.
Maintaining excessively high bromine, chlorine, sodium chloride, or
sodium bromide levels above the recommended range may contribute
to the corrosion or damage of the spa or the spa components.
SpaPilot®operation with UV or ozone units is not recommended.
The SpaPilot® is intended for use on covered spas, not swimming pools.
The SpaPilot® is intended to operate at an altitude of less than 6500 ft
(2000 m) above sea level.
PRODUCT DISPOSAL: The SpaPilot® unit must be disposed separately in
accordance with the local waste disposal legislation in force.
SAVE THESE INSTRUCTIONS
Boost
LED
oBlue –Active

1
HOW THE SPAPILOT® WORKS
Salt is dissolved in the water. Sodium Chloride is used for Chlorine
Production. Sodium Bromide is used for Bromine Production. The salt
concentration level is normally maintained below the taste threshold.
The SpaPilot® automatically converts the salt into a sanitizer.
The sanitizer reverts back to salt after treating the water. The salt is not
consumed.
Salt is only lost when spa water is replaced, overflows, splashes out or
leaks. A small amount may also be lost on bathers or their apparel.
DISPLAY, LED INDICATORS, BUTTONS
Boost
LED
oBlue –Active
Boost
LED
oBlue –Active
Wireless
Remote
Control
Unit Front
Panel
Primary Display

Output

Settings
& more
System Status LED
○
No color –Power Off

Green –OK, Power On
Red (Flashing) - Warning
BOOST LED
Blue = Boost on
Programming
buttons (4 + 4)

DOWN

UP

SELECT
BOOST
Salt Level LEDs
Red –Check (High)

Amber –Warning

Green –In Range

Green –In Range

Green –In Range

Amber –Warning
Red –Check (Low)

2
SPA WATER PREPARATION
ADD WATER
1) Fill the spa with clean water and heat it to at least 80°F (27°C).
2) Test the water using an AquaChek®Spa 6-in-1 test strip.Check for pH,
Total Alkalinity and Calcium Hardness. Obtain the following water
parameters using additives recommended by your spa manufacturer.
PARAMETER
TARGET
MIN
MAX
UNITS
pH
7.5
7.2
7.8
pH
Total Alkalinity
90
80
100
ppm (mg/l)
Calcium
Hardness
200
150
250
ppm (mg/l)
ADD SALT
1) For chlorine generation (Chlorinator) add pool salt (sodium chloride).
For bromine generation (Brominator) add either 99% pure sodium
bromide or a combination of sodium chloride and 99% pure sodium
bromide. [The SpaPilot® system will create a bromine residual
(Brominator) when the combination mixture is used. Sodium chloride is
much less expensive than sodium bromide. Using option 2 below (a
mixture of sodium chloride and sodium bromide) will still provide all of
the benefits of a Brominator but at a lower cost for salt.]
SALT ADDITION TABLE
DESIRED
SANITIZER
SALT
ADD PER 100
GALLONS
ADD PER 500
LITERS
Chlorine
Sodium Chloride
1 lb.
(1 ½ cups)
550 g
(2 cups)
Bromine
(option 1)
Sodium Bromide
1 lb.
(1 ¼ cups)
550 g
(1 ¾ cups)
Bromine
(option 2)
Sodium Chloride
16 oz.
(1 ½ cups)
550 g
(2 cups)
Sodium Bromide
2 oz.
(1/8 cup)
50 g
(1/8 cup)
2) Confirm the water circulation pump remains on until the salt has fully
dissolved.
3) If after adding salt you see a red salt LED on your SpaPilot®, test the
level of salt (sodium chloride) in the spa; use an AquaChek®Salt test
strip. To test the level of sodium bromide; use an AquaChek®Sodium
Bromide Test strip (not included).
If salt level is low, then add additional salt.
If salt level is high, then partially drain the spa and refill to dilute
salt.
Always fill spa completely before measuring salt level. (Evaporation
will increase salt concentration; dilution will reduce.)
PARAMETER
TARGET
MIN
MAX
UNITS
Salt
1300
1000
3000
ppm (mg/l)

3
SPA WATER PREPARATION
ESTABLISH SANITIZER RESIDUAL
1) Add a shock sanitizer approved by your spa manufacturer to prepare
the spa for quick use. CAUTION: Do not use hydrogen peroxide.
2) Or if time permits, let the SpaPilot®generate the sanitizer residual.
a) Press the “BOOST” button.Set the boost time for 2-3 hours per 100
gallons (4-5 hours per 500 liters).Additional boost time may be
required if combined chlorine levels are high.
b) Test the water when Boost is complete, using an AquaChek® Spa
6-in-1 test strip. Confirm water parameters are met for free chlorine
or bromine. Repeat Boost for additional hours if needed.
PARAMETER
TARGET
MIN
MAX
UNITS
Free Chlorine
4
3
5
ppm (mg/l)
Bromine
5
4
6
ppm (mg/l)
RECOMMENDED WATER PARAMETERS
Maintain water parameters as shown below. High pH can reduce the
effectiveness of sanitizers. High Calcium Hardness can result in scaling on spa
or cell. Excessively high Chlorine/Bromine sanitizer or salt levels can potentially
damage spa equipment. Check your spa manual for acceptable additives to
raise or lower pool water parameters to recommended levels. See the table on
the previous page for adding salt.
PARAMETER
TARGET
MIN
MAX
UNITS
Free Chlorine
4
3
5
ppm (mg/l)
Bromine
5
4
6
ppm (mg/l)
pH
7.5
7.2
7.8
pH
Total Alkalinity
90
80
100
ppm (mg/l)
Calcium Hardness
200
150
200
ppm (mg/l)
Salt
1300
1000
3000
ppm (mg/l)
The following test strips are recommended for measuring the water parameters:
AquaChek®Spa 6-in-1 test strips (for measuring Total Chlorine, Total
Bromine, Free Chlorine, Total Alkalinity, pH and Calcium Hardness)
AquaChek®Pool & Spa Salt test strips (for
measuring sodium chloride)
The AquaChek® Pool & Spa Sodium
Bromide test strips (for measuring sodium
bromide) (not included)

4
DECIDE WHICH MODE TO USE:PERCENTAGE OR
USAGE
Your SpaPilot®operates in one of two modes, “Percentage” or “Usage”. The
SpaPilot®is shipped from the factory in the “Percentage” mode.
The “Percentage” mode is the simpler of the two. The output can be
adjusted up or down from 0 to 100% to set the desired sanitizer output
level. The sanitizer is dispensed evenly over time at the set percentage.
The “Usage” mode is still simple but has a few more features. Sanitizer
demand is entered by adjusting two different settings independently: Size
and Usage.
oThe Size of the spa is entered. This setting is used to
determine the minimum amount of sanitizer generated to
maintain sanitizer levels when the spa is not in use.
oThe Usage is entered. This setting is used to determine the
additional amount of sanitizer based on the actual bather
usage of the spa.
If the SpaPilot®detects that there have been no key presses for 30 days,
the usage will automatically drop to 0. Only the chlorine generation based
on the Size of the spa will remain active. This can assist in protecting your
spa from excessive sanitizer levels during periods of non-use.
Your spa may have a “summer” mode that reduces circulation pump time
to minimize pump kinetic energy from overheating the spa. Selecting the
SpaPilot®“Day” (operating hours) setting to match the circulation pump
run time will result in the SpaPilot®automatically generating the sanitizer
faster.This is needed to compensate for the reduced daily operating
hours.
The “Boost” feature works the same for both “Percentage” and “Usage”
modes. Press the “BOOST” button and the sanitizer output can be set to
100% for the next 1 to 24 hours.
Select the mode that works best for you, “Percentage” or “Usage”, and then
proceed to the appropriate section that follows. Remember, you can change
modes again later if desired.

5
PERCENTAGE MODE –MENU TREE
1
1
Not active in Percentage Mode
On the Normal
Displays:

Press BOOST to toggle
off/on
Press UP/DOWN to
change parameter value
Press SELECT for 5
seconds to go to
secondary menu
On the Secondary Menu Displays:
Current parameter value will be displayed
Press SELECT to change parameter
oThen current parameter value will flash
oPress UP/DOWN to scroll thru values
oPress SELECT to save new value and return to
Secondary Menu display
Press UP/DOWN to skip parameters
Percentage 
output displayed
(0 to 100%)
(

)
If Boost

is
active the blue LED
will be on
(0-24 hours) 

Boost countdown will
be displayed
(23.9 to 0.1 hours)
.to .
Day (1 to 24 hours)1
(  )
Reversing
(2, 4, or 8 hours)
(  )
Configuration (Mode)
(Percentage or Usage)
( )
Spa Size in gallons1
(0 to 1200)
(  )
Information
(Volts, Amps, Life
Remaining, Program,
Year, Day, Serial)
()
End –Exit Menu
()

6
PERCENTAGE MODE –SETTING THE OUTPUT %
The following pages outline operation in “Percentage” mode (factory default).
To change your SpaPilot®from “Usage” mode to “Percentage” mode, refer to
the section, The “Configuration” Feature, on page 11.
If the SpaPilot®is now in “Usage”mode and you want to keep it that way, refer
to the section, USAGE MODE –Menu Tree,on page 14.
WARNING: It is the user’s responsibility to regularly maintain and adjust
the sanitation output settings as required.
The amount of sanitizer required will vary depending on various factors
including spa size, water temperature, spa cover usage, exposure to direct
sunlight, filtration pump runtime, blower activation times, and bather load. The
output range is from 0% (Off) to 100% (Continuous On).
For simplicity, the sanitizer demand is separated into 3 factors:
1) Output percentage (%) required when the spa is idle –primarily based
on size and other non-use factors
2) Output percentage (%) required for regular bather usage
3) Spikes in usage –which will be handled by BOOST (1-24 hours)
PERCENTAGE SETTING - SET A % OUTPUT FOR THE SPA
SIZE
1) Press the “UP” or “DOWN” button to adjust the SpaPilot®output. As a
starting point, you can set the output percentage to approximately 2%
per 100 gallons (400 liters) of water.Additional adjustments may be
needed for the other non-usage factors.
2) Wait 24 hours, then test the water using an AquaChek®6-in-1 test strip.
If free chlorine level is above 5 ppm (mg/l) (or bromine is above 6
ppm (mg/l)), decrease the percentage level.
If free chlorine level is below 3 ppm (mg/l) (or bromine is below 4 ppm
(mg/l), increase the percentage level.
PERCENTAGE SETTING –ADD TO % TO INCREASE
OUTPUT FOR REGULAR USAGE
1) Press the “UP” or “DOWN” button to add output percentage as needed
for each bather who regularly uses the spa.
2) As a starting point, add an additional 10% per bather per day, per ½
hour of usage, to the output percentage used for the spa size. This will
need to be adjusted up or down for your particular application.
3) After using the spa, test the water.
If free chlorine level is above 5 ppm (mg/l)(or bromine is above 6 ppm
(mg/l)), decrease the percentage level.
If free chlorine level is below 3 ppm (mg/l)(or bromine is below 4 ppm
(mg/l)), increase the percentage level.

7
PERCENTAGE MODE
PERCENTAGE MODE EXAMPLE:
Amelia has a 400 gallon (1500 liters) spa. Based on the size, Amelia had set
the minimum output to 8% for her spa. Two people will be using it for ½ hour
each on a regular basis. She added a 20% output for two bathers. Total = 28%
After using the spa, Amelia tested the water and noticed the sanitizer level was
low. She adjusted the percentage up another 5% for two bathers. After using
the spa and re-testing, she found the percentage output was ideal.
SPA
Spa Output
Percent
+
Usage Output
Percent
=
Total
Percentage
Original %

+
2 Bathers (20%)
=

Bather
Adjustment

+
2 Bathers (25%)
=


8
PERCENTAGE MODE
BOOST –HOW AND WHEN TO USE
The “Boost”feature is normally used to temporarily increase the SpaPilot®
sanitizer production to the maximum possible for the selected time period to
handle unusual spikes in sanitizer demand, such as might be expected by:
Spa usage above the daily norm.
After a water change.
The owner does not want to adjust the “Percentage”setting to
correspond to varying daily usage.(Note: The output percentage setting
must be manually changed to reduce sanitizer generation but BOOST
will automatically turn off after the selected run time.)
As a starting point: After a water change, set the boost time for 2-3 hours per
100 gallons (400 liters).Additional boost time may be required if the combined
chlorine level in the source water is high.
Another reference starting point: The boost time can be set to 2 hours per ½
hour of bather use. This will need to be adjusted up or down based on
individual spa conditions.
1) Press the “BOOST” button. The blue LED above the “BOOST” button will
turn on. The previously selected boost cycle time will be displayed.
( will flash then  or the last selected time value will display
steady. The default boost time is 1 hour; range is 0 to 24 hours.)
2) If desired, use the “UP” or “DOWN” button to adjust the number of hours
the SpaPilot®will operate in boost mode. The boost cycle will
automatically turn off when the boost time expires. The most recent boost
cycle time will be recalled the next time “BOOST”is pressed.
For example:If set to 1 hour, display will show  then after 6
minutes ., then ……... Boost expires after 1 hour; the
display reverts to usage setting .
3) After the boost cycle is complete, test the water using an AquaChek®Spa
6-in-1 test strip.
If free chlorine level is above 5 ppm (mg/l)(or bromine is above 6 ppm
(mg/l)), boost hours were set too high.
oConfirm boost is off (Blue LED will be off).
oThe next time the boost feature is used, it will need to be set to a
shorter number of hours.
If free chlorine level is below 3 ppm (mg/l) (or bromine is below 4 ppm
(mg/l)), boost hours were set too low.
oPress “BOOST” button and add additional boost hours to raise
sanitizer level.
oTest periodically with an AquaChek®Spa 6-in-1 test strip.

9
PERCENTAGE MODE
THE “DAY” FEATURE
(Displays  then  then )
The “Day” setting is not used when in the “Percentage” mode. To use this
feature, change to the “Usage” mode.
If your SpaPilot®has an “Inline”cell, not an “Over the Wall” cell, then the
following applies:
When required, some spa controllers allow the owner to shorten the
spa circulation pump operation to reduce the spa heat gain
(overheating) associated with kinetic energy imparted by the
circulation pump.
If the circulation time of the spa is reduced, then the output of the
chlorine generator with an “Inline”cell is reduced proportionally.The
SpaPilot®maximum sanitizer output capacity will decrease when the
circulation pump run time is reduced. See the table entry, Chlorine
Output - lbs/day (g/day),in the section, CellSpecifications,on page 39 to
determine the SpaPilot®chlorine output if the Spa circulation pump
does not run continuously.
WARNING:A SpaPilot®with an “Inline” cell must be electrically interlocked
with the spa circulation pump to prevent sanitizer generation when there is no
circulation.
WARNING:The sanitizer output capacity of a SpaPilot®with an “Inline” cell
will be reduced if the spa circulation pump hours of operation are reduced.
Supplemental sanitation may be required.

10
PERCENTAGE MODE
THE “REVERSING” FEATURE
(Displays  then  then )
The SpaPilot®has an automatic cleaning feature to prevent calcium buildup
between the cell blades. The cell polarity is reversed every 4 hours (factory
default).
CAUTION: The reverse setting is optimized for cell life and normally should
not be changed.
The reversing feature is very effective on the “Inline”cell.Reversing is less
effective on the “Over the Wall (Convection)” cell due to the lower water flow
through the cell.Periodic manual cleaning of the “Over the Wall” cell may be
required.Locating the cell in the path of the circulation return jet will minimize
manual cleaning cycles.
1) Press and hold the “SELECT” button for five seconds until 
appears on the display.
 then  then  displays repeatedly.
(24 hours is the normal default setting.)
2) Press the “DOWN” button once and the reversing menu is displayed.
 then  then  displays repeatedly.
(4 hours is the default)
3) Press the “SELECT” button once to change hours.
 The “” value will flash.
4) Press “UP” or “DOWN” button to adjust reversal intervals. Intervals are
2, 4, or 8 hours.
5) Press the “SELECT” button once to lock in the interval. The new value
will display.
6) Press the “DOWN” button until  appears. Press the “SELECT”
button to exit secondary menu.(Or wait 15 seconds to automatically
exit.)

11
PERCENTAGE MODE
THE “CONFIGURATION” FEATURE
(Displays then then )
This feature allows you to select one of two SpaPilot®operational modes:
“Percentage - ” or “Usage - ”. The factory default is “Percentage”
mode. Before changing the “Configuration”mode, review the section, Decide
which mode to use: Percentage or usage,on page 4.
Press and hold “SELECT” button for five seconds until  appears on the
display.
 then  then  displays repeatedly.
(24 hours is the normal default setting.)
1) Press the “DOWN” button twice to skip parameters until the
configuration selection is displayed.
If in Usage mode the display will show repeatedly:
then then 
If in Percentage mode the display will show repeatedly:
then then 
2) Press “SELECT” button once to change mode.
 then  will flash repeatedly or
 then  will flash repeatedly.
3) Press the “UP” or “DOWN” button to select  or .
4) Press the “SELECT” button once to lock in the new selection. The new
value will display.
5) Press the “DOWN” button until  appears. Press the “SELECT”
button to exit secondary menu. (Or wait 15 seconds to automatically
exit.)

12
PERCENTAGE MODE
THE “SPA SIZE” FEATURE

The Size of the spa is not used in the “Percentage”mode.The size setting is
used to determine the minimum amount of sanitizer generated to maintain
sanitizer when in the “Usage”mode. To use this feature, change to the
“Usage” mode.
Although not used in the “Percentage”mode, the Spa Size can be changed by
entering the secondary menus.Size can only be entered in gallons.
DISPLAY
SPA SIZE
GALLONS
LITERS

100
380

200
760

300
1140

400
1510

500
1890

600
2270

700
2650

800
3030

900
3410

1000
3790

1100
4160

1200
4540