❷ Installati On; I Preparing The Pool - Zodiac pH expert Instructions For Installation And Use Manual

❷ Installati on

2.1 I Preparing the pool

2.1.1 Water balance
It is essenti al that the pool water balance is controlled and adjusted before installing the appliance. Making
sure that the pool water balance is correct from the very start will reduce the likelihood of encountering
problems on the fi rst days of operati on or during the season the pool is in use.
Even though it is an automati c regulati on system, it is essenti al to carry out regular water analyses
to check the water balance parameters.
Unit
pH /
Free
mg/L
chlorine
or ppm
TA
(alkalinity
°f (ppm)
or buff er
capacity)
HL
(hardness
°f (ppm)
level)
Cyanuric
mg/L
acid
or ppm
(stabiliser)
Metals
mg/L
(Cu, Fe,
or ppm
Mn...)
Recommended
To increase
values
Use the appliance in
"alkaline" dosage mode
7.2 – 7.4
and/or increase the set
Add chlorine (manually
0.5 – 2 or using an automated
8 – 15
Add alkalinity corrector
(80 – 150) (Alca+ or TA+)
10 – 30
Add calcium chloride
(100 – 300)
< 30
± 0
To decrease
Use the appliance in
"acidic" dosage mode
and/or decrease the
point. set point.
Stop the release or
producti on of chlorine
system)
Add hydrochloric acid
Add a scale
sequestering agent
(Calci-) or carry out
decarbonati on
Parti ally empty the
/
pool and refi ll it
Add a metal
/ sequestering agent
(Metal Free)
EN
Test frequency
(during the
season)
Weekly
Weekly
Monthly
Monthly
Quarterly
Quarterly
5