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VZN H SERIES
Changing the Interval Setting
CAUTION
Changing the flush interval can cause the Ultra Filter to
plug prematurely and may reduce the life of the filter.
Consult the factory for more information.
Though not recommended, the interval setting on the
Universal Pulse Controller can be changed. If the setting must
be changed, use the chart below. Press and hold the corre-
sponding button. After 5 seconds, the Button LED will turn on.
After 10 seconds, the Flush LED will also turn on.
Flush
Button
Interval
15 minutes
A
30 minutes
B
45 minutes
C
1 hour
A
4 hour
B
6 hours
C
12 hours
D
24 hours
D
Figure 12. Universal Pulse Controller
MAINTENANCE (continued)
Button
Hold Time
LED
10 seconds
On
10 seconds
On
10 seconds
On
5 seconds
On
5 seconds
On
5 seconds
On
5 seconds
On
10 seconds
On
Resetting the Timer Program
During the normal operation, the system will flush accord-
ing to the set interval. It is possible the system will flush at a
time of high water use. If this poses a problem, the controller
can be reset. Unplug the power supply, wait for 5 seconds,
and then plug the power supply in. When power is restored
to the controller, it will automatically enter Flush Mode. The
controller will then begin timing from the point when power is
restored based on the interval setting selected.
Check Permeate Tank Air Pre-Charge
It is recommended the permeate tank air charge be checked
every six months.
Flush
LED
Tools and supplies required:
On
•
Air Pressure Gauge, 5‒40 psi range (0.3‒2.7 bar) with
tire valve (Schrader Valve) connection
On
•
Source of compressed air (manual bicycle tire pump or
air compressor)
On
Off
Air pre-charge should only be checked and adjusted
under zero system pressure. The system must be
Off
depressurized before checking the tank pre-charge.
Do NOT adjust the tank air pre-charge with the system
Off
under pressure.
Off
Be careful when adding air to the tank. Do NOT add too
On
much air pressure to the tank.
1. Depressurize and make sure the Permeate Tank is fully
drained.
2. Unscrew the protective cap from the air valve on the
tank.
3. Use the pressure gauge to check the tank pre-charge
for pressure.
NOTE: If any water comes out the air valve, the tank
bladder has ruptured and the tank needs to be replaced.
4. The permeate tank should have a pressure of 28-31
PSI.
• To add pressure to the permeate tank, use a manual
bicycle tire pump or other source of compressed air.
• To release pressure from the permeate tank, press
the center pin on the air inlet valve.
5. Once the permeate tank is at 28-31 PSI, replace the
protective cap on the air valve.
6. Pressurize system.
18
CAUTION
CAUTION
P/N 1011103 Rev. E 05/13
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