Manual Flushing ...11 Maintenance ...12 Checking the Timer Program ... 12 Changing the Cartridges ... 12 Troubleshooting ...13 Replacement Parts UF-420/440 ...14 Wiring Diagram ...14 LIMITED WARRANTY ...Back Cover OWNER INFORMATION Your UF-Series unit is manufactured from the finest materials available and is assembled to AFT’s strict quality standards.
OWNER INFORMATION (continued) Service/Technical Assistance If you experience any problems with the installation or operation of your unit, contact Antunes Filtration Technologies at 1-630-784-1000, or toll free in the United States only at 1-800-253-2991. Fill in the information in the next column and have it handy when calling for assistance.
UF SERIES WATER FILTRATION SYSTEM IMPORTANT SAFETY INFORMATION (continued) The following warnings and cautions appear throughout this manual and should be carefully observed. • Disconnect the power source before performing any service or maintenance on the unit. • All electrical connections must be in accordance with local electrical codes and any other appli- cable codes.
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WATER CONDITION EQUIPMENT GUIDELINES The following table describes the required or recommended equipment and suggested flush programming to be used with your filtration system based on the Inlet Water Pressure, Inlet Turbidity, and daily water use. Inlet Water Inlet Turbidity Pressure (NTU) (psi)
UF SERIES WATER FILTRATION SYSTEM Unpacking 1. Remove the system and all packing materials from the shipping carton. 2. Remove all packing materials and protective cov- erings from the system 3. Remove the information packet. To prevent any delay in obtaining warranty coverage, fill out and mail the warranty card.
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• Install the system in a location that will allow for future service access. • Mount the system on a wall using appropriate mounting hardware. • Remember to consider the operating weight of the system when choosing mounting hardware. Depending on the type of wall the system is being mounted to, wall reinforcement may be necessary.
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UF SERIES WATER FILTRATION SYSTEM 1. Plug the power cord into the appropriate electrical outlet. The unit will power up and the LED display will display the following for about two seconds each: • F8 followed by its time settings in seconds •...
Secure Drain Filtration Process Water filtration in the UF Series is accomplished using two modes: • Flush Interval (Fi on the LED display) • Flush Duration (Fd on LED display). During the Flush Interval mode, water enters the inlet and flows through the filter element before exiting the Permeate outlet as usable product water.
UF SERIES WATER FILTRATION SYSTEM Programming Timer During Startup NOTE: Once the UF unit is powered up, the LED display cycles through the default or current settings: Flush Duration (Fd) and its setting will be followed by Flush Interval (Fi) and its settings. At any time during this sequence (which lasts approximately 30 seconds) the UF unit can be pro- grammed.
button to scroll through settings - release button at desired setting (Figure 11). 4. After ten seconds, if start button is not pressed, unit automatically returns to Flush Interval Mode. NOTE: Fi times are displayed in ten minute inter- vals, after fifty minutes they are displayed in hours (Table B).
UF SERIES WATER FILTRATION SYSTEM The filtration system is designed to require very little maintenance. To ensure that the water is of the highest quality, occasionally some service is required. Checking the Timer Program During normal operation, the system displays the time setting for the Flush Interval Mode (FI) and the deci- mal will flash in one second intervals.
Problem Unit does not have power. The power cord is not correctly plugged The Control Display is blank. The power cord is not correctly plugged Control Board is inoperable. Transformer is inoperable. No water comes out of the filter Inlet Valve closed system Inlet Strainer is plugged End of the capillaries plugged...
Equipment manufactured by Antunes Filtration Technologies, Division of A.J. Antunes & Co. has been constructed of the finest materials available and manufactured to high quality standards. These units are warranted to be free from mechanical and electrical defects for a period of one year from date of purchase or 18 months from shipment from factory, whichever occurs first, under normal use and ser- vice, and when installed in accordance with manufacturer’s recommendations.