ΙΙΙ
-8
ROTARY GEAR PUMP
ELECTRONIC FOAM PROPORTIONING SYSTEM
Section
ΙΙΙ
ΙΙΙ
ΙΙΙ
ΙΙΙ
ΙΙΙ
: Set-up and Calibration
followed by the default display.
FOAM PUMP FEEDBACK CALIBRATION
NOTE:
Foam pump feedback is
calibrated at Hale Products Inc.
Calibration after installation is necessary
to verify values with the actual foam
concentrate(s) being used. Only check
calibration using actual foam
concentrates. DO NOT use water,
training or test foams for feedback
calibration verification.
Enter system user calibration mode using
the method previously described. Press the
SELECT DISPLAY
button to illuminate the LED
below
TOTAL FOAM
on the Control unit. The
control unit display will show "
x_xx"
indicating the total volume of foam
concentrate pumped during the last
calibration run (See figure 3-6).
Turn the bypass valve handle to the BYPASS
position and place a graduated measure
container at the outlet of the bypass hose
that can contain the expected volume of
foam concentrate, 5 gallons (19 liters)
minimum (figure 3-7).
NOTE:
If an accurate calibrated
container is not available an accurate
If a dual tank system is installed set the
default injection rate with the tank selector
in the
TANK A
position then switch to the
TANK B
position to set concentrate injection
rate for the foam concentrate in that
particular tank.
If the ADT, MDT
ΙΙ
or MST selector is in the
FLUSH
position the display will show "
FLUSH"
and the foam concentrate injection rate
cannot be set.
To lock the settings, exit system user
calibration mode by pressing and holding
the
SELECT DISPLAY
button, then pressing
and releasing the
é
and
ê
buttons. The
word “
HALE” will appear for several seconds
Figure 3-6. Foam Pump Feedback
Calibration Display
Figure 3-5. Foam Concentrate Injection
Rate Default Value Set Display
TANK SELECTOR (TANK B)
TANK SELECTOR (TANK A)
