DISINFECTION PROCEDURE
THE FOLLOWING DISINFECTION PROCEDURE IS GENERALLY
ACCEPTED AS BEING SUITABLE FOR THE DISINFECTION OF
PLUMBING SYSTEMS KNOWN TO BE CONTAMINATED.
IF YOU ARE UNCERTAIN ABOUT THE EFFICACY OF THIS
PROCEDURE, YOU ARE ADVISED TO CONTACT THE LOCAL
HEALTH AUTHORITY RESPONSIBLE FOR WATER SAFETY.
The UV disinfection process takes place only in the UV disinfection
chamber and the process provides no residual disinfection capability,
therefore it is necessary to chemically disinfect the entire plumbing
system before using water treated by the UV system. The plumbing
system should also be disinfected if the power goes out for several hours
or more, or if the unit has been accidentally shut-off for several hours or
more. It is advisable to disinfect the plumbing lines at least once a year.
The disinfection of the plumbing system is most readily accomplished
by removing the 5 micron sediment filter cartridge and adding 250ml -
500ml (1 –2 cups) of standard 5.25% concentration un-scented chlorine
bleach to the empty filter housing and re-installing.
Verify that the UV disinfection unit is connected to the AC supply
voltage and operating properly. The addition of chlorine bleach to the
plumbing system may cause the water to go cloudy, resulting in a low
UV alarm condition. If a solenoid valve is installed it will be necessary to
place the solenoid valve in the manual open mode.
Operate all faucets, fixtures and appliances until you clearly smell
chlorine, then shut off. This includes shower heads, outside taps,
dishwashers, laundry equipment and any appliance connected to the
plumbing system.
Leave the bleach solution for 6 to 8 hours, preferably overnight.
Re-install the sediment filter cartridge and thoroughly flush the system
at all fixtures and appliances connected to the system.
Note: The introduction of a chlorine disinfection solution to a hot water
heater that has been used with untreated hard water or water with
excessive iron, manganese or other organic contaminants may lead to
oxidization of these materials. If you feel that these conditions may apply
to your installation, a thorough flushing of the hot water tank should be
undertaken to eliminate the oxidized material from the system.
UV POWER SOURCE FEATURES
The micro-processor controlled UV power source supplied has both
audio and visual alarm indicators to validate lamp operation and an
integral annual lamp change reminder timer.
A two digit display is provided to display the actual UV dose, lamp life
remaining (when timer reset button is pressed), and various error codes
to aid in system diagnostics. If the actual UV dose falls below 40mj/cm
2
,
the unit goes into the low UV alarm mode and the solenoid valve, if
installed, will be de-activated.
UV power source initialization sequence: When AC power is applied
to the UV power source the lamp is ignited, as indicated by the green
lamp-on LED, after which a self test of the annual lamp failure LED and
alarm buzzer occurs. This test consists of three buzzer beeps and three
red lamp failure LED flashes. The two digit display indicates the actual
UV dose. If a solenoid is connected to the UV power source, it will
activate when the UV level reaches 40mj/cm
2
.
Normal Operation: During normal operation, the green lamp-on LED is
illuminated and the two digit display indicates the actual UV dose in
mj/cm
2
.
Diagnostic Display
Pushing the timer reset button on the UV power source initiates the
diagnostic display and sensor self test function of the system. In
sequence, the display will output the parameter followed by the
parameter value;
(lr) Lamp life remaining (weeks)
(ul) UV level
(tf) Disinfection Chamber temperature F
0
(tc) Disinfection Chamber temperature C
0
(fn) Cold Spot Fan
TM
status 1=on 0=off
(at) Alarm threshold – ”C” for certified system
E7 if the sensor self test detected a sensor failure
Note: The diagnostic display does not function if a lamp failure condition
exists.
Lamp failure: When the UV power source detects a lamp failure or
enters the auto shut down mode due to abnormal operating conditions,
the alarm buzzer sounds and flashes the red lamp failure LED, the green
lamp-on LED and 2 digit display are extinguished. If connected, the
solenoid valve will terminate the water flow.
Note: The UV power source is designed to shut down if the AC input
voltage is outside of operating limits. When a lamp failure alarm is active,
the unit should be unplugged from the AC power source for fifteen
seconds and then reconnected to the AC power source. If the failure was
due to out of limit AC power, the unit will re-ignite the lamp and operate
normally.
Chamber Over Heat: When the chamber temperature exceeds 45
O
C
(113
O
F) the chamber overheat code (oh) will be displayed.
Lamp timer operation: The annual lamp change reminder timer will run
for approximately one full year. At the end of the one year period the E5
lamp change reminder error code will be displayed and the buzzer will
sound. The E5 error code indicates that the lamp timer function is in the
28 day grace period. Pushing the timer button during this grace period
will silence the buzzer for a seven day period but the E5 error code will
remain. The buzzer reset can be activated a maximum of four times
during the 28 day grace period. Under no circumstance does the grace
period exceed 28 days. At the expiry of the 28 day grace period the E5
error code is replaced by E6. When the E6 error code is active the lamp
must be replaced and the lamp timer reset.
Note: As long as the UV level reading on the two digit display is above
40mj/cm
2
the solenoid valve drive is not disabled.
Time remaining: When the lamp change reminder timer is not in the
grace period or lamp change alarm mode, the number of weeks of lamp
life remaining will be displayed on the two digit display by pressing the
timer reset button.
Solenoid Valve Output: The UV power source is capable of controlling
a solenoid valve using the remote solenoid interface (RSI) accessory,
which will shut off water flow during alarm conditions.
Low UV Intensity: If the output of the UV detection system falls below
40mj/cm
2
, a low UV alarm will be initiated and error code E1 will be
displayed. If a solenoid valve is installed it will be deactivated to stop the
flow of water.
Alarm Override: The UV power source has an alarm override feature to
disable the audio alarm when the system has entered a low UV alarm
state. Pressing the button during error code E1 will initiate the override,
which is active for 24hrs, but can be reset indefinitely. The alarm
override feature will not function if the lamp has failed. The display will
read error code E4 while the alarm override is active.
CAUTION: The water treated by the unit will not be
properly disinfected when the alarm override is in
operation and should not be consumed without
boiling.
© COPYRIGHT 2019 UVDynamics – a Castle Circuits Inc. Business Group All RIGHTS RESERVED
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