35
Step 6
- Remember to return the 3-way outlet ball valve to the product side of the outlet, and plug
the Test outlet, if required. Also, turn the additive pump/motor selector to the normal Automatic position.
The ProPAC-3 is now ready for normal operation.
Manual Calibration -
Calibration may be performed manually, as previous injectors were
calibrated.
Step 1
- Enter the program and annotate the current Additive K-Factor.
Step 2
- Exit the program
Step 3
- Redirect the additive flow out the Test Port of the 3-way outlet ball valve. Crack the ball
valve approximately 3/4 open, in order to provide some back pressure and reduce the flow of additive. With
a slop oil bucket under the Test Port and with the additive pump/motor positioned ON, push the Test
Injection pushbutton on the side of the ProPAC-3 several times, in order to purge any air from the system.
Air in the additive fluid will make injector calibration impossible to perform accurately.
Step 4
- With a graduated cylinder under the Test Port, push the Test Injection pushbutton
approximately ten (10) times. Insure there is minimal residual additive in the cylinder.
Caution
: Insure the graduated cylinder can adequately contain ten (10) injections at the current
injection rate (cc's per injection).
Do not exceed the cylinder capacity
.
Using the ProPAC-3 Calibration Sheet (next two pages), note each batch injection value, as each
injection is made. See attached example. The batch injection value is located in the upper right corner of the
graphical display. Total all batch injection volumes obtained during the calibration testing, as the total shall
be used in the calculation formula. Also, record the actual volume of additive in the graduated cylinder,
after the air bubbles escape.
Step 5
- Calculate the new additive K-Factor utilizing the following calculation:
New Additive K-Factor= (Current K-Factor X Total Batch Injection Volume)
Graduated Cylinder Total
Step 6
- Enter the new Additive K-Factor in software programming.
Step 7
- Exit the program.
Step 8
- Repeat Steps 3 through 7 until the actual volume injected into the cylinder equals the Total
batch injection volume noted, or until the volumes are within 0.5% of each other. The user may elect to
have the cylinder volume be slightly more than the displayed volume, thereby, insuring a slight over
injection of additive.
Step 9
- Remember to return the 3-way outlet ball valve to the product side of the outlet, and plug
the Test outlet, if required. Also, turn the additive pump/motor selector to the normal Automatic position.
The ProPAC-3 is now ready for normal operation.
Useful Calculations:
(1) US gallon = 3785.4118 cc's
Injection Rate per 1,000 gal. of product X 3785.4118 = cc's per 40 gallons (Additive Set)
25
Example : 0.750 X 3785.4118 = 113.5624 cc's per 40 gallons (Additive Set)
25
Summary of Contents for ProPAC-3
Page 39: ...39 ...