MIOX RIO Series Operators Manual
P/N: 102-00076-G Page 38
Oxidant Tank Lid
The oxidant tank lid should cover the tank during operation, which helps reduce volatilization
and extends the life of the oxidant solution.
Feed Line Connection/Injection System
The oxidant tank outlet valve is located at the bottom of the oxidant tank. This oxidant tank
outlet provides oxidant solution to the water system for disinfection purposes. Oxidant
solution can be injected into the water system with a chemical feed pump or a venturi
injector that is typically mounted in a side-stream of the main water line. The injection
system should be designed by a qualified engineer, MIOX distributor, or salesperson. Refer
to Injection System Manufacturer’s Manual for Installation Guidelines
Overflow Port
An overflow port connection fitting is provided at the top of the oxidant tank. This should be
piped to a drain or other suitable discharge outlet with 1” schedule 80 CPVC pipe. For sites
with two oxidant tanks installed, the overflow ports should be piped to each other with a
common drain. If the customer elects not to run the overflow drain, then the outlet must be
plugged to prevent gasses in the storage tank from venting to the room.
Do not pipe brine and oxidant tank overflows into the same drain header as the
water softener discharge. Install separate drain headers to a common floor
drain. If all systems are tied into the same drain header, high back- pressure
from the water softener discharge drain can backflow up the brine and oxidant
tank overflow lines and contaminate the brine generator and oxidant tank with
softener wastewater. This will result in brine tank flooding, calcium carbonate
contamination of the electrolytic cell, and dilution of the oxidant.
If a dilution air system is used, the overflow port must be equipped
with an internal drop tube to prevent the forced air leaving the tank
through the overflow port.
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