US Water Systems Greenwave Plus 385-GWP-1000-UV Owner's Manual page 12

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Once the UV output drops below 56%, the numbers and warning sign switch to red and a 15 second intermit-
tent audible chirp is given off by the ballast. When the output drops below 51%, the display switches to a
solid red and a constant audible signal is provided. The screens alternate between this solid red
screen and another screen indicating "water may be unsafe for consumption". At this point, the controller
also provides a signal to de-activate the solenoid valve, shutting off the flow of water if a solenoid valve is
installed on the system.
USWATER5.0 & USWATER6.0 Lamp Countdown Sequence
The USWATER5.0 & USWATER6.0 counts down the number of days until a lamp change is required. The
operation is as follows:
Once the lamp has seven days remaining until a lamp change is required, the screen changes to a yellow
caution screen. At this point, an audible chirp is given off by the ballast to draw your attention to the
pending lamp change condition. When the controller passes the zero day threshold, the screen chang-
es to solid red and cycles between a red "lamp expired" screen and a "water may be unsafe for consump-
tion" screen. The same intermittent audible chirp is heard throughout this lamp expired sequence.
At any point during this sequence, the audible chirp can be deferred by holding the controller button
down for a period of five seconds. The screen shown below will appear for five seconds indicating that
the audible deferral has been activated and then the system switches back to the cur-
rent lamp change or lamp expired screen. This audible deferral will last for seven
days after which then the alarm will sound once again. This audible deferral feature can
be activated as many times as you wish. PLEASE NOTE: During the condition of lamp
expiration and audible deferral, the water may be unsafe for consumption and should
not be consumed without another form of disinfection.
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UV Light Equipment Specifications
US Water GreenWave Plus Salt-Free Water Conditioner | 385-
Give us a call at: 1-800-608-8792