AGW-4015/4025/4045 Skid-Mounted Ozone Sanitation Systems
4B. Quick System Start-Up
Presumes unit is tuned to its present application. (Follow
detailed start up section 4C).
1. Turn Main Power switch to ON. Pump On green light will
illuminate. Allow one minute for system to stabilize.
2. Turn Ozone Power switch to ON.
3. Check System Vacuum Gauge. Adjust Vacuum Adjust-
ment valve until gauge reads approximately -3 to -7 in.
Hg. vacuum. Ozone Power green light will illuminate
upon reaching approximately -5 in. Hg.
4C. Detailed System Start-Up
Read completely before starting system.
1. Check for proper electrical and water connections.
2. Switch Pump Power ON (Pump On green light will illu-
minate), allow pump to run for one minute as water level
in mixing tower fills and stabilizes.
3. If the mixing tower doesn’t fill with water then the pump
needs priming. Turn off the Pump Power, DO NOT RUN
PUMP DRY (pump seal failure will result). Insure the wa-
ter supply hose is full of water and the water source has
sufficient flow capacity for the pump. Turn on the Pump
Power. Repeat until the mixing tower has filled, stabilized
and water is circulating.
4. Switch Ozone Power ON.
5. Check System Vacuum Gauge. Adjust Vacuum Adjust-
ment valve until gauge reads approximately -5 in.Hg.
vacuum. Ensure that the back pressure gauge is at or
above 18 psi for AGW-4015/4025 and at or above 8 psi
for the AGW-4045.
Ozone On green light will illuminate upon reach-
ing approximately -5 in. Hg. NOTE: Applications with
elevated head pressures will raise bypass and back
pressures. The above values are minimum operating
pressures. If the system is out of specified operating
parameters, see Flow Adjustment Instructions below.
System Flow Adjustment Instructions
To make water flow adjustments to the AGW-4015/4025
while enabling optimum ozone mass-transfer, please follow
these steps:
1. With the unit running, observe the water flow.
2. Adjust flow/back pressure valve (the red gate valve) to
achieve 18 psi for AGW-4015/4025 and 8 psi for the
AGW-4045.
3. Next, adjust the vacuum adjustment valve to read -5
in. Hg.
4. Multiple iterations of adjusting both the flow/back pres-
sure valve & the vacuum adjust valve may be required to
achieve settings as close as possible to those described
in steps 2 & 3.
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4D. System Shut-Down / Freeze Protection
1. Turn OFF Ozone Power switch.
2. Turn OFF Main Power switch.
3. Remove hoses (if applicable) and allow water to drain
from system (a small amount of water will remain in the
ozone degas chamber).
4. Freeze Protection: It is recommended that the AGW-
4015/4025/4045 be protected from freezing tempera-
tures. If this is not possible, the pump must be drained
by removing the 1/2" drain plug located underneath the
pump (see page 8). WARNING: Pump damage will
occur if pump is not drained before unit is stored
in freezing temperatures or for extended periods of
time. A small heater may be used to prevent remaining
water in the system from freezing.
4E. Standard Operating Procedures
The following chart provides ozonation time estimates
to charge tanks ranging in size from 300 to 2,000 gal-
lons using the AGW-4015/4025. Note: Water temp.
and oxidizer load will affect ozone levels and max
PPM.
Ozone Tank Charging Guidelines
Tank Size Charge Time Ozone Dose
(gallons) (minutes) (PPM)
AGW-4015 AGW-4025
300 15 10 1
300 30 20 2
300 45 30 3
300 60 40 4
400 60 40 3
500 75 50 3
600 90 60 3
700 105 70 3
800 135 90 3
900 150 100 3
1000 180 120 3
1100 210 140 3
1200 240 160 3
1300 270 180 3
1400 300 200 3
1500 330 220 3
1600 360 240 3
1700 390 260 3
1800 420 280 3
1900 450 300 3
2000 480 320 3
There are two ways to measure and/or control the
amount of ozone in the water:
Dissolved Ozone Monitor/Controller
By far the most accurate way to measure and control the
ozone in the water, a dissolved ozone monitor/controller may
be used to ensure that the water is completely charged before
starting the timing of the cycle, as well as providing a continu-
ous monitor for observation. In addition, it can be used to con-
trol the ozone system so that the tank of water can be main-
tained continuously and stays charged at the exact amount
determined by the adjustable set-point; it will cycle the ozone
system on and off as needed to maintain the set-point.
