HYDROGEN GAS SAFETY
You may take comfort from the fact that the Pool Lab Cell has worldwide patents on its
design relating to safety.
Pool Lab has the worlds safest Cell
Your Pool Lab Chlorinator must be installed in accordance with the installation instructions
listed in this manual.
The cell, apart from producing chlorine, produces a byproduct gas Hydrogen. Hydrogen is
not readily dissolved in the water and under normal filtration conditions passes through
and out of the pool returns, harmlessly dissipating into the atmosphere.
If however the water flow is restricted (blocked skimmer box or filter, incorrectly closed
valve, etc) then these gases can collect in the system. A potentially explosive mixture
could result under certain conditions.
The Pool Lab chlorinator has eliminated this potential hazard with in-build electronic and
physical safety features.
Primarily it is important that whenever chlorine is produced that we have water flow to
transport the byproduct hydrogen gas through the return pipes, to the eyeball returns and
to atmosphere. We have three mechanisms that ensure this occurs:
– If the water flow stops, or slows to the point where hydrogen gas is not being
expelled from the cell housing, then the sensor at the top of the chlorinator cell
detects this, and switches power off to the cell. The unit remains on standby until
correct water flow is re-established. A message Low Flow – OFF is displayed on
the LCD.
– It is an installation requirement that the filter pump is electrically interconnected with
the chlorinator and operating from the one time clock. This ensures simultaneous
operation of the filtration pump and the chlorine cell.
– The most important hydrogen gas containment feature is the Pool Lab's physical
cell design. It’s unique patented vertical design ensures that even in the unlikely
event that the electronic flow protection features fail, the gas will be contained to a
volume of less than 2lts within the cell housing. In this situation, no more gas can
possibly be produced, since the electrode plates are no longer in contact with the
water.
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