POWER LEVELS
MegaChlor includes 10 power level settings that are set based on water volume, usage and testing. The
MegaChlor factory setting is 3 (2 hours). The output power to the cell is always the same, the power level
changes the amount of time the cell is energized when it turns on.
VIEW THE CURRENT POWER LEVEL SETTING
Simply press the UP or DOWN arrow button once and count the WHITE flashes. Each flash represents a
power level. For example: 3 WHITE flashes = power level 3, 7 WHITE flashes = power level 7. After the
power level is displayed MegaChlor will display either the chlorine value, current to the electrode or the zero
point, see the section on OPTION: MegaChlor CD at the end of this manual, the chlorine value and the zero
point are only used with the chlorine detecting electrode..
CHANGE POWER LEVELS
1. Press both the UP arrow and the DOWN arrow at the same time. The WHITE Light will turn on solid
indicating that it is in power change mode.
2. Press the UP arrow to increase power - the GREEN light will flash each time the UP arrow is pressed. If
set at the maximum power level of 10, the GREEN light will be on solid.
3. Press the DOWN arrow to decrease power - the RED light will flash each time the DOWN arrow is
pressed. If at the minimum power level of 1, the RED light will be on solid.
4. When finished do not press any buttons for 3 seconds. The WHITE light will flash (count the flashes)
SELECTING THE RIGHT POWER LEVEL
Selecting the right power level requires some testing and adjustment. There are many factors that affect the
sanitizing needs of a pool such as: use, number of people, if there is an Ozone Generator, temperature, last
drain and refill, does it have a cover, cyanuric acid or stabilizer, etc. However, after the testing and adjustment
period, MegaChlor will take care of your sanitation needs day after day with minimal adjustments. As a
Power Level Water Volume (gals)
1 to 3 Less than 1000
4 1000 to 3000
5 3000 to 6000
6 6000 to 10000
7 to 10 10000 and above
starting point, please program MegaChlor and set the power
level to the general recommendations shown in the table.
Test the Chlorine Level with test strips after 1 to 2 days. When
testing, always try to measure at the same time of the day. If
the chlorine level is LOW, increase the power level by one
level. If the chlorine level is HIGH decrease the power level by
one level. Wait a day or so after this initial adjustment, re-test
and repeat as necessary until a consistent chlorine residual has
been achieved. If the chlorine level is VERY high or VERY low,
adjust by 2 levels, as needed.
IMPORTANT NOTE: If the chlorine level is zero 24 hours after installation, the initial chlorine demand may be
above what MegaChlor can produce to break away from zero. In this case, manually add chlorine or shock
(according to the company product label) to assist in the initial set-up.
If conditions change on the pool usage make sure to adjust the power level. If usage significantly increases,
(return from vacation, etc) it is important to adjust the power level up accordingly. Always retest and adjust
the power level as needed.
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