28
Free available chlorine
1.0 - 3.0 ppm
3.0 - 5.0 ppm
pH
7.2 - 7.8
7.2 - 7.8
Total alkalinity
100 - 120 ppm
100 - 120 ppm
Calcium hardness
200 - 300 ppm
150 - 200 ppm
(i)
Very high Calc ium Hardness with Magnes ium present in the water may present a
problem to the Self-Cleaning properties of the system and therefore require
additional cell inspections and cleanings.
(ii)
Phosphates: should be less than 200 ppb (Parts per billion)
Phosphates are food for algae a nd will increase chlorine consumption thus shortening cell life
if present in water. Remove phosphates with Saltline approved Phosphate Remover.
Possible Chemical Problems
(i)
The use of sulphate containing chemicals may promote the production of oxygen compounds
at the cell, which can lead to slightly lower chlorine production, and the
production
of
chemicals which can adversely affect ORP probes. Chemicals to avoid
-
Sulphuric acid
- Sulphate flocking compounds
Note: the use of potassium monopersulphate is acceptable.
(ii)
The use of quaternary ammonium compounds (Quats) as an algaecide can
promote turbidity (cloudiness). This is caused by the very high chlorine levels in
the cell reacting with the Quats compound. A common Quats compound is
benzalkonium chloride (also known as alkyldimethylbenzylammonium chloride or ABDAC)
(iii)
The use of Citric Acid as a “black spot remover” will cause the chlorine residual
reading
in
the pool to fall to zero for an extended period of time.
(iv)
Hydrogen peroxide, peroxygen chemicals and peroxide in g eneral do not interfere with t he
ECO-matic System but can seriously affect the ORP probes (redox probes)
on
chlorine/redox/ORP controllers.
Trouble Shooting
ECO-matic Not Working
1. No power getting to Power Supply.
2. ECO-matic switched OFF.
3.
System Control
set to MIN.
4. Blown fuse(s).
5.
Gas Sensor
Lead not connected securely. Scale build-up on
Gas Sensor
bolt head.
6. ECO-matic has
Cut-out
– insufficient Salt in the water, or ‘Cell’ needs cleaning, or water
temperature cold.
7. ‘Cell’ needs replacing.
Rapid Salt Loss
1. Check for leaks in pool. Turn off any automatic fill device, check for water loss.
2. Heavy rain can dilute salt level.
Summary of Contents for MEMS36USA
Page 12: ...12 offs on back of power supply provide ventilation for wall mounted units...
Page 15: ...15...
Page 16: ...16 Electrical Connection...
Page 31: ...30...
