Emec LOTUS MINI, Operation Manual

Page: 42 / 72

10
4.2 Requirements for the water
Warning:
Serious malfunctions at the plant or corrosion damages in the pipe-work of the treated wa-
ter should be possible in case the following requirements to the water the chlorine dioxide
is produced for as well as for the dilution water are not fulfilled:
Dilution water:
Temperature: 10 – 30° C
Pressure: 0.3 - 1 bar
Quality: Free of iron, manganese and particles, non-corrosive.
Treated water:
Temperature: > 5°C
Pressure: 6 bar max.
The following directions are based on a concentration for chlorine dioxide of 0.4 mg/l to prevent
pipe-corrosion:
•
The pH-level should be always higher than pH 6.5.
It should be controlled during operation.
•
In case the carbonate hardness is lower 1.1° dH (German hardness) or the alkalinity is lower
0.4 mMol/l the dosing of suitable chemicals for the increase of the pH-level is required.
•
In case the carbonate hardness is lower 19° dH (German hardness) the installation place of the
injection valve for the chlorine dioxide (already made of PVDF) should be made of corrosion
resistance materials (like PVC).
4.3 Assembly
•
The plant must be mounted onto a vertical solid wall without tensions.
•
The plant must be mounted in a way that no vibrations can be produced.
•
The location should be nearby the chlorine dioxide injection point.
•
Take care of free entrance from all sides for the operation and maintenance!
•
The plant-bottom should be minimum 1 m over the floor-level.
•
The level of the complete filled chemical cans must always be under the level of the dosing pumps.
•
The maximum suction-height for the dosing pumps should be not more than 2 meters.
•
Fix the plant with the two mounting-holes [ P ] on the backside to the wall.
Open the front door to reach the mounting-holes.
Notice
For a safety fastening hanger bolts M8 x 60 mm are suggested.
P