Zodiac TRI CHLORINE GENERATOR User Manual download pdf (Page 12)

4.2/ pH set point

The pH set point is the value to which the Zodiac TRi will adjust the pH in the swimming

pool water. This value is always displayed on the LCD screen. The default setting for

the TRi PRO module is 7,2 pH. This value corresponds to the ideal compromise so as

to achieve optimal efﬁ ciency in terms of water disinfection, but it can be changed to

adapt to speciﬁ c pool conditions and requirements.

To change the pH set point:

1. Ensure that the pH sensor has been calibrated (see above procedure).

2. From the default display on the LCD screen, press the

button.

3. Use the buttons to display pH/ACL SETUP, then press .

4. Use the

buttons to display pH SETPOINT, then press .

5. Use the

buttons in order to change the set point value and press

to validate.

6. Press

button 2 times or wait 30 seconds for the TRi power pack to

return to the default display on the LCD screen.

4.3/ Setting the pool size

To ensure that the pH is regulated under the best conditions for your pool,

it is necessary to adapt the settings of the peristaltic pump according to the

volume of water in your pool so as to release only the required quantity of pH

minus (dosing cycle adjustment). This setting is performed only once when

activating the TRi PRO module for the ﬁ rst time, it is not necessary to change

it thereafter.

It is possible to set 4 different levels corresponding to 4 sizes of swimming

pool. List of sizes and corresponding volumes of pool water:

- Size #1 : For small pools up to 60 m

- Size #2 : For mid-size pools between 60 and 90 m

- Size #3 : For large pools between 90 and 120 m

- Size #4 : For very large pools more than 120 m

The above values are only indications, the exact values may vary according

to the conditions of use. However, it is recommended not to “over-size” the

setting so as to avoid using too much pH minus.

NOTE: For safety reasons, default pool size setting is #1 (lowest level).

To set the pool size:

1. From the default display on the LCD screen, press the button.

2. Use the buttons to display pH/ACL SETUP, then press .

3. Use the

buttons to display SET POOL SIZE, then press .

4. Use the

buttons to select the pool size corresponding to your

pool volume (default setting is #1).

5. Press

to conﬁ rm your choice then press button 2 times or wait

30 seconds for the TRi power pack to return to the default display on the

LCD screen.

NOTE: One dose of pH minus is released in the pool every 2 hours (when

ﬁ ltration system and TRi unit are both operating).

WARNING! It is not recommended to oversize the pool size setting in

order to avoid pH minus overdosing.

4.4/ ACL sensor calibrating procedure

1. Remove the ACL sensor (red) from its holder onto the POD (manually

unscrew the tightening collar). Rinse the extremity of the pH sensor with

clear water and shake it so as to remove any excess water. Do not touch or

use a cloth to wipe the glass bulb on the extremity of the pH sensor! (1).

2. Place ACL sensor in a sample of ‘ORP 700 mV’ orange buffer solution

(provided, see picture below).

3. Leave the ACL sensor immersed in the buffer solution for approximately 5

minutes in order to ensure a reliable measurement (2).

4. From the default display on the LCD screen, press the button.

5. Use the buttons to display pH/ACL SETUP, then press .

6. Use the

buttons to display CALIBRATE ACL, then press .

7. Displayed ACL value on the LCD screen CURRENT ACL could have 3 different

values : HIGH, LOW or OK. Press

to start the

calibration process (see pictures below) (3).

8. Once the calibration is completed, ACL value

should be OK (CURRENT ACL).

If the displayed value is not OK, repeat steps 1 to 7

(4)

9. Press button twice or wait 30 seconds, the

TRi power pack will return to the default display

on the LCD screen.

IMPORTANT NOTES:

- In order to ensure that the Zodiac TRi remains fully efﬁ cient, it is

recommended to perform a calibration at least once every two months

during the season of pool use.

- Ensure that the ACL sensor is perfectly clean before starting a calibration

operation (Refer to chapter 8 / ‘pH & ACL sensors cleaning’). Then rinse it

with clear water, this will ensure that the calibration will be more accurate.

(1)

(2)

(3) (3)

(4)

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Zodiac TRI CHLORINE GENERATOR User Manual Page 12

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