IV
-6
ROTARY GEAR PUMP
ELECTRONIC FOAM PROPORTIONING SYSTEM
Section
IV
: Operation
When in
FLOW
or
TOTAL FLOW
mode the
display will alternate between "
FLUSH" (see
figure 4-5) and the value of the selected
function. These modes function normally
when in FLUSH mode.
When in
% FOAM
or
TOTAL FOAM
mode
"
FLUSH" will show steady on the display.
These modes will not function while in FLUSH
mode.
Low Foam Tank Level
The Hale FoamMaster foam pump is
interlocked with the foam concentrate tank
level switch(es). If the tank is empty, the
pump will run for 1 minute. Low foam
concentrate tank level is denoted by “
Lo
A” or “Lo b” (see figure 4-6) alternating with
the normal selected function on the display.
If one minute of low concentrate level is
detected the display will show “
no A” or
“
no b”, the pump will stop, and the
ON
LED
will go out until the foam level is restored
and the
ON
button is depressed. If the
ON
button is pressed before refilling the foam
tank the system will run for 30 seconds
before shutting down again.
Figure 4-5. Flush Display
Figure 4-6. Low Foam Tank Display
TANK A
SELECTED
AFTER 1
MINUTE OF
OPERATION
TANK B
SELECTED
AFTER 1
MINUTE OF
OPERATION
