F i l t e r L i g h t R e s e t a n d M a i n t e n a n c e
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Filter Light Reset
1. The filter life indicator triggers the Service light to illuminate. This will prompt a call from the
customer to service the unit and change the filtration. The indicator can be reset without
opening the system, by using a sequence of motions with the sensors:
a. To reset the filter life:
i. Wave hand in front of hot select sensor for 5 seconds until the LED light blinks.
Wave hands over both sensors for 5 seconds, audible chimes will alert completion.
Dispense pump flow rate change
2. The dispense pump flow rate can be adjusted to a slower flow rate. This may be needed in a
waiting room environment where smaller cups are provided to the user. The dispense rate can
be adjusted without opening the system, by using a sequence of motions with the sensors:
a. To lower the dispense pump for cold water for 3 L/min to 2 L/min
i. Place both hands over hot select and dispense sensors simultaneously until audi-
ble chimes are heard, remove hands and repeat process until audible chimes are
heard.
Deactivate tone
activated in order to give audible feedback to the user. In a very quiet environment this fea
ture may be unwanted. The audible tone can be deactivated without opening the system, by
using a sequence of motions with the sensors:
a. To deactivate the tone, hover over the “Hot Select” sensor for 1 second. Within 7 sec-
onds, wave your hand over the “Dispense” sensor 5 times. Once this action is complet-
ed, the activity tone should be deactivated.
Preventive Maintenance:
1.
Change filters according to the filter change schedule
2.
Reset the filter alert using the instructions above
3.
Descale the hot tank
4.
Drain the system and use Hydrogen Peroxide to sanitize the system
5.
Check all fittings for signs of scale or wear and replace as needed
6.
Check condition of the float mechanisms. Pay special attention to ensure no water has
infiltrated the float balls
7.
Check solenoids for proper function. Dripping solenoids should replaced
Every 5 years, in addition to the above, perform the following:
1.
Replace all internal fittings and tubing.
3.
Replace all solenoid and cold/hot valves.
4.
Replace battery on main PCB (soldering required).
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Manual de Servicio PW90 CT Página 15 de 25
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