USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
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ORP Out Of Range
Oxidation Reduction Potential is a measure of the oxidizing capacity present in water. Unlike a DPD
chlorine reading, which can only differentiate between free available chlorine and the less effective
combined chlorine, ORP provides an accurate measure of water quality regardless of pH, TDS,
cyanuric acid, or non- chlorine oxidizers. The proper ORP range for swimming pools and spas is
between 650 and 800 mV, with any value above 650 resulting in healthy water quality.
ORP Overfeed
The ORP Overfeed timeout occurs when the CAT 5000 has been feeding chemicals for a time
greater than the selected maximum feed time and has not reached its set point. A properly selected
Overfeed timeout prevents the unit from continuing to feed chemicals when the chemical supply
has been diminished or a chemical feeder has become clogged or broken. First, check the chemi-
cal supply and chemical feeder. If both are in order check the Overfeed timer setting as it may need
to be increased to keep up with chemical demand.
ORP Tank Low
The ORP Tank Low alarm will sound when the chemical being fed falls below the chemical level
in the tank. First check the chemical level. If the level is above the sensor, check the sensor for
obstruction or calcification.
No Flow
The CAT 5000 is equipped with a flow sensor to prevent the controller from feeding chemicals in
the absence of proper recirculation. First check the filtration system to ensure that it is running and
that water is moving through the flowcell. If water is flowing and the alarm is still sounding check
flow sensor for obstruction.
When using the optional Digital Flow Sensor, the digital flow alarm setting can be entered in
gallons-per-minute to send a No Flow alarm when the filters require cleaning or backwashing.
Service Request
The Transmit button on the CAT 5000 sends logged data to the PoolComm web site for immediate
viewing and generates a service request alarm.
Key Inserted
When a service technician visits the CAT 5000 he may insert a service key (optional), which will be
logged by the controller to document the time and duration of his visit.
Technical Specifications
Enclosure Type 7” x 7” x 2.3” Glass Filled Polycarbonate
Enclosure Properties NEMA Type 1, 4, 4X, 6, 12, 13
Flame Resistance UL94-5V (UL 746 C 5)
Display 2 x 20 Character Vacuum Fluorescent
Front Panel UV Protected Lexan Membrane Switch
Key Type Embossed with Stainless Tactile Domes
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