Battery Replacement Instructions:
Batteries should provide 12 to 24 months of reliable service mostly depending on the make of battery used and the frequency of
usage among other factors. When replacing batteries please follow these simple steps:
1. Unfasten the 4 Philips screws at the sides of the Faucet Automator FA400 (these screws are none magnetic stainless steel).
2. Hold both water fittings down and carefully remove enclosure cover. Cover holds solenoid valve in place and when
removed, solenoid valve may fall out.
3. Remove the square rubber cap off the battery compartment.
4. Pull battery pack out and disconnect from wire harness.
5. Replace batteries with 4 Duracell Brand AA Alkaline batteries, make sure batteries are placed in their proper position.
6. Re-install battery pack by re-plugging wire harness. Make sure that harness plug makes solid contact with battery pack.
Place square rubber cap back on.
7. Test faucet prior to placing enclosure cover back on.
8. Place enclosure cover back on. Fasten 4 Philips screws.
Sensor Range Adjustment:
Sensor range is adjusted for optimal performance prior to shipping faucet. However, it may be necessary to adjust sensor range in
the field.
1. Remove Faucet Automator’s enclosure cover (see battery replacement instruction for enclosure cover removal and
installation).
2. When enclosure cover is removed, look for small (about 1/2” diameter) rubber plug located in the center of the electronics
cover (please refer to photo detail on page 5 of this manual for the proper location of the sensor range adjustment screw).
Remove the plug, the sensor range adjustment screw is located inside of the plug.
3. Use the small screw driver which is shipped with the faucet (Faucet Automator) to turn the screw. For longer sensor range
turn screw clockwise, for shorter range turn screw counterclockwise. Be very careful not to damage screw. It might be
necessary to turn the screw several times before the desired results are attained.
4. When satisfied with sensor range, place the rubber plug and enclosure cover back on.
Please note: Sensors that are adjusted for longer range may be triggered unnecessarily by individuals walking in front of
sink. Please adjust sensor range with that in mind.
Flow Rate Adjustment:
Flow rate is governed by supply pressure and the type of aerator used on the faucet. When necessary adjust flow rate as follows:
1. Remove Faucet Automator’s enclosure cover (see battery replacement instruction for enclosure cover removal and
installation).
2. When enclosure cover is removed, look for stop at the inlet of the chrome plated brass valve, the stop is in the form of a brass
screw that is usually not chrome plated.
3. To lessen flow rate turn screw clock wise, several turns may be needed.
4. After the desired flow rate is reached, place Faucet Automator’s cover back on.
Filter maintenance:
Read carefully before attempting to clean filter. Make sure that you have an adjustable wrench for this job.
Although the Faucet Automator FA400 employs one of the largest filter screens of its kind, filter screen may become restricted or
severely clogged due to floating debris in water supply pipes. The frequency of recommended service depends on the age of
building, make up of pipes and quality of water among other factors. Restricted filter diminishes faucet performance and, in some
cases, may damage faucet. A restricted filter manifests itself in reduced water flow out of faucet.
When necessary, clean filters as follows:
1. Unfasten both hoses that are connected to Faucet Automator FA400.
2. Unplug sensor wire by unscrewing sensor wire nut first, then pulling sensor wire out. To prevent damage to sensor wire Do
Not Pull Wire, Pull Wire Plug.
3. Uninstall faucet Automator FA400 from wall mount, place on horizontal surface over an absorbent cloth.
4. Unfasten the 4 Philips screws at the sides of the Faucet Automator FA400 (these screws are none magnetic stainless steel).
5. Remove enclosure cover.
6. Unplug solenoid wires (yellow and white) Do Not Sever Wires.
7. Remove complete solenoid valve out of enclosure.
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