Zodiac TRI CHLORINE GENERATOR User Manual download pdf (Page 16)

Water balance

The Zodiac TRI with the TRi PRO module is designed to disinfect the swimming

pool water via its controlled salt electrolysis function and to maintain the pH

level.

The following information concerning the values to be respected for a correct

water balance is essential in order to fully enjoy your pool.

Ensuring that the pool water balance is correct from the start will reduce the

probability of encountering problems during the ﬁ rst days of operation or

during the season of use of your pool.

REMARK: Even if TRi PRO module is an automatic regulation for ACL and

pH, it is mandatory to make some manual water analysis regularly to check

water balance parameters.

Free

chlorine

mg/L or ppm

TAC

(total alcalinity or

buffer effect)

°f (ppm)

(calcium

hardness)

°f (ppm)

Cyanuric

acid

(stabilizer)

mg/L or ppm

Salt level

g/L or kg/m

Metals

(Cu, Fe, Mn…)

mg/L or ppm

Recommended

values with

TRi PRO

7,2 – 7,4 0,5 – 2,0

8 – 15

(80 – 150)

10 – 30

(100 – 300)

< 30 4 ≈ 0

To increase

Deactivate the

peristaltic pump

or add pH plus

Increase ACL

set point or use

‘Boost’ mode

Add alkalinity cor-

rector (« TAC+ »)

Add calcium chlo-

ride

Add cyanuric acid

(only if necessary)

Add salt /

To reduce

Add pH minus

(automatic with

TRi PRO module)

Decrease ACL set

point or

switch off the TRi

unit

Add hydrochloric

acid

Add calcium cat-

cher or make a

decarbonation

Partially drain

the pool and refill

with clear water

Leave it or par-

tially drain the

pool and refill

with fresh water

Add metals cat-

cher

Tests frequency

(bathing season)

Weekly Weekly Monthly Monthly Quarterly Quarterly Quarterly

pH & ACL sensors cleaning

To ensure that the TRi PRO module will operate under optimal conditions, it is

recommended to clean sensors (ph and/or ACL) before each calibration.

To clean a sensor:

- If the extremity of the sensor is covered with a greasy ﬁ lm (cosmetics

deposit, sun lotion….), place it for a few minutes in tepid soapy water. Do NOT

use detergent products but rather a liquid dishwashing product. Then rinse

profusely using clear water.

- If the extremity of the sensor is covered with calcium buildup or if the above

procedure was not sufﬁ cient, place the sensor in a 10% hydrochloric acid

solution for a few minutes (wear all necessary protective clothing).Then rinse

profusely using clear water.

Remark: It is possible to buy this acid cleaning solution from your local

swimming pool retailer. Then rinse profusely the pH tester with clear

water and proceed with the calibration before using it.

IMPORTANT:

- Always clean pH & ACL sensors before performing a calibration.

- NEVER WIPE THE SENSORS WITH A CLOTH but shake it gently in order to

remove any excess rinse water.

TRi PRO module maintenance and winterizing

Using the TRi PRO module allows for more freedom when monitoring the

pool parameters. However, it is necessary to check a number of settings on a

regular basis so as to ensure a correct and safe operation of the system.

NOTE: Your TRi PRO module uses a peristaltic pump that is designed

to release only pH minus. Do NOT use hydrochloric acid, pH plus or any

other chemicals.

TRi PRO module winterizing:

- When you want to winterize your TRi PRO module at the end of the season,

it is recommended to let it pump clear water instead of the pH minus so as to

rinse out the peristaltic pipe.

This pipe can be simply cleaned by using the peristaltic pump Testing and

Priming function (see chapter 3.8 / ‘Testing / Priming the peristaltic pump’).

- Remove the pH & ACL sensors from their respective holders. Store sensors

in their original bottle or in a bottle of water ﬁ lled with tap water. Seal sensor

holders if necessary.

VERY IMPORTANT: NEVER let a sensor dry out, this would damage it

permanently.

Error codes and warnings

10.1/ PH LOW

 Meaning:

Pool water pH is 0,4 pH lower than the set point displayed on the LCD screen.

pH value should be manually checked before proceeding.

 Possible causes:

pH sensor needs to be cleaned and calibrated.

pH sensor is worn out and/or faulty.

This could also mean that the selected set point is too high or that the

selected pool size is too high.

 Solutions:

- Clean then calibrate the pH sensor (see chapter 8 / ‘pH & ACL sensors

cleaning’ and 4.1 / ‘pH sensor calibrating procedure’).

- Replace the pH 7,5 buffer solution, then calibrate the pH sensor.

- Check the selected value for pH set point.

- Check the pool size setting (see chapter 4.3 / ‘Setting the pool size’).

- If necessary, replace the pH sensor.

10.2/ PH HIGH

 Meaning:

Pool water pH is 0,4 pH higher than the set point displayed on the LCD screen.

pH value should be manually checked before proceeding.

 Possible causes:

pH sensor needs to be cleaned and calibrated.

pH sensor is worn out and/or faulty.

This could also mean that the selected set point is too low or that the selected

pool size is too low.

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Zodiac TRI CHLORINE GENERATOR User Manual Page 16

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