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10 

Section 4a

 –SERVICE and MAINTENANCE 

CONTROL BOX 

There are little serviceable parts on the 

Pool Pilot

®

 

Soft Touch

 Control Box except the fuses.  For any other problems with the

Control Box, please contact the Factory or Authorized Dealer/Service Center. 
To remove the Control Box Cover and access the fuses, follow these steps. 

 

POOL PILOT

 

   

Soft Touch

 

   

Control Circuit Board

 

F3

F2 

Front of Unit 

Wire Harness Connection

Inner Metal 

Top Cover

 

    

Inside Top Cover

 

Cover

 

  F1 

   Loosen (4) knobs 

Lift off cover and disconnect 

  Remove (3) screws and 

 Access is gained to 

 (you do not need to) 

wire harness (Control Circuit

 

lift off metal cover. 

 electrical connections,

 

    (remove these). 

board removes with cover). 

 The (4) Mounting holes,      at 

 fuses, and pump/aux 

 each corner are accessed here 

 relay. 

(without removing metal cover). 

Fuse Location and Ratings

 

F1 

Main AC Power Fuse 

3 Amps 250 VAC (230 Volts) 
6 Amps 250 VAC (115 Volts) 

F2 

Control Panel Circuit Board Fuse 

3 Amps 250 VAC 

F3 

Cell Fuse 

20 Amps 250 VAC 

TRI-SENSOR ASSEMBLY 

The Tri-sensor assembly tests for Flow, Salt and Water temperatures.  A minimum flow rate of 15 gpm (3.4 m³/hr) is required 
to activate the flow switch.  As the water flow closes the paddle, a magnet activates a micro switch to verify proper flow.  The 
Salt sensor protects against low salt levels and the temperature sensor protects against cold water temperatures.  Both of which 
can contribute to accelerated cell failure. 

Note: 

The use of high strength magnet devices in the close proximity

of the 

T

ri-sensor can cause the flow switch to read incorrectly.

Remove the Tri-

s

ensor as follows (with pump off):

Remove both screws from the sides of the Tee Assembly.   
With the aid of large Channel-lok® (or similar) pliers, firmly 
grip the Tri-

s

ensor assembly and move back and forth while

removing the Tri-

s

ensor from the tee.

Inspect the thin metalic paddle for erosion and straightness. 
Take care not to twist or tweak this paddle, which can cause 
inaccurate flow readings. 
Inspect the salt sensor blades for scale and debris and clean 
if necessary.  See page 13 for cleaning instructions.  Follow  
the directions for Manual Cell Cleaning. 
Check the 

T

ri-sensor assembly for any damage to the plastic

housing and replace if needed.

directional 

arrow 

screws 

one on each side 

        

WARNING: Failure to heed the following may result in permanent injury or death.

ELECTRICAL SHOCK HAZARD – Turn off the electrical power

 to the unit,

 

from ciruit breaker,

 before servicing.

Summary of Contents for ST-220

Page 1: ...d Spa Purification System Pool Pilot Soft Touch by AquaCal AutoPilot Inc Owners Manual Installation and Operation For Indoor or Outdoor use IMPORTANT Read This Manual Before Installing Operating 18500...

Page 2: ...el Number ST 220 Serial Number ____________________________ Cell Pool Pilot Cell Model Number _ Serial Number ____________________________ Factory Direct Customer Assistance 1 727 823 5642 FAX 1 877 4...

Page 3: ...Maintain water chemistry in accordance with manufacturer s instructions 6 WARNING PERSONAL SAFETY HAZARD To reduce the risk of injury do not permit children to use this product unless they are closel...

Page 4: ...Tri sensor Connections ORP Connections 2c Cell and Manifold Installation 6 Verification of Flow Switch Protection 6 Section 3 OPERATION 3a Key Features Control Panel 7 3b Pool Water Preparation 8 Salt...

Page 5: ...tures above 55 F 13 C are satisfactory to prevent abusive conditions for the cell to operate See page 10 for instructions to remove and inspect the Tri sensor assembly holes to tighten the screws RATI...

Page 6: ...ach to the 2 Banana Jacks on the bottom of the Control Box Polarity does not matter The other end of the cell cord has a three position plug that connects to the cell in any direction For the PPC1 and...

Page 7: ...r other plumbing configurations please contact the factory for assistance Verification of Flow Switch Protection It is important to annually inspect and verify the safe and proper operation of the Tri...

Page 8: ...self cleaning cycle can control change the setting to SHORT For optimum water chemistry balance according to the Saturation Index see page 9 you can change the REVERSING cycle to LONG Pressing the set...

Page 9: ...salt you use contain a minimum purity of 99 Sodium Chloride NaCl NOTE Do not use Rock Salt due to its high levels of impurities TEST YOUR WATER FOR SALT LEVEL FIRST with the provided salt test strips...

Page 10: ...vels Maintain and balance only as needed CYANURIC ACID STABILIZER CONDITIONER This chemical goes by either trade name and allows the chlorine residual to last longer by protecting it from the UV degra...

Page 11: ...activate the flow switch As the water flow closes the paddle a magnet activates a micro switch to verify proper flow The Salt sensor protects against low salt levels and the temperature sensor protec...

Page 12: ...ed with a mixture of one 1 part Muriatic Acid into four 4 parts water Mix the solution in a container high enough to cover the Cell blades Remove the Cell cord and immerse the Cell so that the blades...

Page 13: ...ION COMPLETE 19070 Union O Ring 19070 0 Union O Ring 19070 0 Cell s PPC1 PPC3 PPC4 PPC5 1 5 Half union 312 C 2 Slip Union 312 B 2 Slip Union 312 B 1 5 Half Union 312 C 38 mm 51 mm 51 mm 38 mm Nut only...

Page 14: ...the Cell B See Section 2 above C Cell Power selection not matched to the Cell installed C Follow the SETUP procedures to match the cell see page 7 5 White Flakes in the Water A This occurs when exces...

Page 15: ...se of salt the top light is not used the next to the top flashes the 1000 s digit and the third light flashes the 100 s digit in ppm Example 2 flashes pause 8 flashes pause Read 2 800 PPM 2 The second...

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