Pentair AUTOTROL LOGIX 742 User manual

Logix™ No-Salt Detector (Chlorine Generator)

Installation Instructions (North American)

The Logix 742 and 762 controls feature a check salt light

which indicates when the end user should add salt to the

regenerant tank. The Logix control can also be

programmed to produce a low level of chlorine to

chlorinate the resin bed during regeneration. Potassium

chloride or sodium chloride may be used. Installing this

feature is simple.

Step 1

Remove the Logix control from the valve and disconnect

power.

Step 2

Insert the small connector of the no-salt detector cord to

the back of the Logix control. See Figure 1.

Step 3

Remove the existing refill controller and ball from the valve

and replace it with the no-salt detector refill flow control.

See the illustrations to the right for the location of the refill

controller.

Step 4

Insert the large white connector of the no-salt detector

cord to the end of the refill flow control. Press it in firmly to

make sure there is good contact.

Step 5

Reconnect power to the Logix control and reinstall the

control to the valve.

Step 6 742/762 Programming

To activate the chlorine generator/salt detector on the

742/762, follow these instructions:

1. Power up the 742/762 control.

2. Press the UP and DOWN buttons

simultaneously for 5 seconds to enter Level

II programming.

3. Scroll to parameter P13 using the DOWN button.

The controller will display the previous setting.

4. Press the SET button. The display will begin to

flash.

5. Set to one of the following settings as desired:

0 = chlorine generator/salt detector disabled.

1 = salt detector enabled.

2 = chlorine generator with salt detector

enabled.

6. Once the correct setting above is selected, press

SET to enter your setting. After 30 seconds the

controller will return to normal operation mode.

Back of Logix Control

255 Valve Identification

Refill Controller

Injector and Cap

No-Salt Detector

Check Salt Light

Performa Valve Identification

Injector and Cap

Refill Controller

Check Salt Light

Figure 1

Figure 2

Figure 3

Release Tab

(Chlorine Generator) Outlet

Printed in USA P/N 1268103 Rev B

Step 7

Remove the overlay sticker from the Logix control and

replace with the included new overlay that features the

check salt light opening. The old overlay sticker can be

easily peeled off with a knife or screwdriver.

Summary Chlorine Generator

The chlorine generator feature is constantly checking for

salt and will produce chlorine throughout the regeneration

process. This automatic monitoring system will only

produce chlorine when a salt/regenerant is available in the

brine line.

The chlorine generator will produce up to a maximum of

4 ppm of chlorine. The chlorine generator is not designed

to be used with special medias that require chlorine for

proper application. The chlorine generator provides

chlorine for aesthetic chlorination of media bed.

No Salt Detector

The no salt detector operates like the chlorine generator,

except no chlorine is produced.

The check salt light will illuminate whenever the brine

concentration falls below 5 to 7 salometer point.

NOTE: Ensure that the refill rate of the probe

assembly matches the original refill flow

control assembly.

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