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4
CD-7 thru CD-15 Infinity Corona Discharge Ozone Generator
SECTION 4
Maintenance and Service
4A. System Electro-Mechanical Overview
Refer to Figure 4
for component locations.
4A-1. Indicator Lights
1. Main Power: Green light indicates that power is
being supplied to the ozone generator.
2. Ozone Power: Green light indicates that power is
being supplied to the high voltage Corona Discharge
circuits and that ozone is being produced.
3. Vacuum: Red light indicates proper vacuum being
supplied from the venturi injector. Light will be lit for
either low or high vacuum conditions.
4. High Coolant Temperature: Red light indicates
coolant temperature is over 150°F - resulting from
loss of cooling water flow. (Refer to TROUBLE-
SHOOTING section.)
5. High Transformer Temperature: Red light indicates
transformer temperature is over 150°F - resulting
from high current through the transformer. (Refer to
TROUBLESHOOTING section.)
6. Water Backflow Detected: Red light indicates wa-
ter backflow from injector into generator. (Refer to
TROUBLESHOOTING section.)
4A-2. Remaining External Components
1. Main Power Switch: Power switch is used for sys-
tem start-up and shut-down. Switch activates the
control system allowing the generator to start up.
2. Flowmeter: Flowmeter controls and indicates the
oxygen flow through the system.
3. Circuit Breaker: Circuit breaker protects the gen-
erator from over current conditions. Push the breaker
button to reset.
4. ORP Controller (optional): ORP controller receives
a millivolt (mV) signal from the ORP sensor mounted
in the process water line. ORP (Oxidation-Reduc-
tion Potential) is a measure of the relative oxida-
tion strength of the water. As ozone is added to the
water system the ORP level will rise. As ozone is
used up in the water system the ORP level will
drop. The ORP controller continuously analyses the
sensor signal, compares it to the setpoint that has
been programmed, indicates the ORP level on the
digital display, and relays the signal to the ozone
generator.
5. Variac (Optional): Variac adjusts high voltage
power supplied to the ozone generator module
controlling ozone output concentration.
4A-3. Internal Components
1. Corona Discharge (CD) Module: Generator
module consists of stainless steel water jacket
and ground tubes and two end housings.
Enclosed inside the module are the high voltage
glass tube electrodes. The top end housing (the
cylindrical glass chamber) encloses the high
voltage connection for the electrodes and allows
for visual inspection.
2. High Voltage Transformer(s): Transformer raises
supplied voltage up to the voltage necessary for
ozone production. Transformer is thermally
protected by a temperature switch attached to the
transformer casing.
3. Air Compressor: Compressor produces and
supplies compressed air to oxygen concentrator.
4. Oxygen Concentrator: Supplies concentrated,
dry, oxygen feed gas to the ozone generator.
5. Lo Limit Vacuum Switch: If the vacuum in the
ozone output supply line falls below 2 in. Hg the
switch will open causing the system to shut down.
6. Hi Limit Vacuum Switch: If the vacuum in the
ozone output supply line rises above 10 in. Hg the
switch will open causing the system to shut down.
7. Water Backflow Detector: Backflow detector
senses water present in ozone tubing in generator.
If water is detected, system will close solenoid
valve to prevent additional water backflow from
occuring. Water in the generator will cause severe
damage to the high voltage electrodes.
8. Ventilation Fan: Cooling fan operates when main
power switch is “ON”.
9. Air Filter: Filter cleans ventilation air entering the
enclosure.
10. Door Interlock Switch: Interlock switch will shut
down entire system if door is opened. Securing
the door will bring the system back into operation.
11. Relay Panel: Contains control relays for system
interlocks, indicator lights and main power control.
4B. Preventative Maintenance Schedule
The Infinity™ Corona Discharge ozone system requires very
little maintenance beyond general housekeeping practices.
DAILY:
1. Check ozone generator for proper operation.
- Make sure no red indicator lights are lit.
- Make sure flow meter is indicating proper air flow.
2. Practice normal pool maintenance.
MONTHLY:
1. Remove and clean ORP probe.
- Remove from water stream.
- Clean tip of probe with non-abrasive cleanser to
remove any contaminant build up on probe.
- If there is a heavy build up on probe surface,
clean with a mild muriatic solution.
- Rinse and return to water stream.