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P a g e
Once the UV output drops below 56%, the numbers and warning sign switch to red and a 15 second
intermittent 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.
Crusader
5.0
& Crusader
6.0
Lamp Countdown Sequence
The Crusader
5.0
& Crusader
6.0
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 changes to solid red and cycles between a red “lamp expired” screen and a
“water may be unsafe for consumption” 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 defferal has been activated and then the system switches back to the
current 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.
