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Zodiac® Nature2® Fusion Soft | Installation and Operation Manual
When 24 Volts AC is applied to the ORP
24 VAC inputs, chlorine production will be
disabled.
The front panel of the power supply will
then flash “EC” (external control). Once the
24 Volts AC input is removed the chlorine
generator will return to normal operation.
The “EC” will be replaced with the current
production setting of 0% to 100%.
POS-2
Wait at least one (1) minute after applying
power. See note 1.
Placing the jumper in POS-2 allows the
chlorinator to operate in the opposite way
to POS-1. With 24 Volts AC applied to the
ORP 24 VAC inputs, chlorine production
will be enabled. The front panel of the power
supply will display a production rate of 0% to
100%. When the 24 Volts AC is removed the
chlorine generator will flash “EC” every few
seconds and chlorine production is disabled.
SUMMARY
POSITION OF J14
24 VAC
0 VAC
POS-1 (default)
Unit OFF,
displays EC
Unit ON,
displays 0-100%
POS-2
Unit ON,
displays 0-100%
Unit OFF,
displays EC
Note 1 The unit samples the external control/ORP
settings at the instant power is applied to the
chlorinator and will not respond to any changes
during the first minute of operation. The unit
may appear to be STUCK IN or STUCK OUT of
“EC” mode. Wait several minutes until the unit
has warmed up to verify the changes made to
external control set-up.
Note 2 Unlike the previous production models with
ORP control, multiple chlorinators can be
linked together to be controlled with one ORP
controller without the use of external relays
and transformers. Contact the factory for more
information.
Wires to the
external
ORP Controller
ORP
Connector J15
R0474300
J2
ORP Jumper J14
J2
Figure 16. Movable ORP Jumper J14
Chlorine Generator Power
Interface Board