ΙΙ
-36
ROTARY GEAR PUMP
ELECTRONIC FOAM PROPORTIONING SYSTEM
Section
ΙΙ
ΙΙΙΙ
ΙΙ
ΙΙ
: Installation
inch NPT bushing and a bulkhead fitting
with 1 inch FNPT threads (see figure 2-28).
The center of the switch must be located at
least 1-½ to 2 inches (38 to 51 mm) from the
bottom of the foam tank with the float
positioned on top of the switch to move up
and down.
NOTE:
When the side mount low tank
level sensor senses a low concentrate
condition the system will operate for one
minute unless the foam concentrate
level is restored. If the foam
concentrate level is not restored the
Hale FoamMaster system will shut down.
When locating the side mount low tank
level sensor on the foam tank sufficient
Figure 2-27. Foam Tank Low Level Sensor
Mounting Options
BOTTOM MOUNT
LOW LEVEL
SENSOR OPTION
SIDE MOUNT
LOW LEVEL
SENSOR
OPTION
TOP MOUNT LOW
LEVEL SENSOR
OPTION
TYPICAL
FOAM TANK
Figure 2-26. Multiple Flowsensor Connections with Hale Foam Discharge Multiplexing
Display Units
CONTROL
UNIT
FOAM DISCHARGE MULTIPLEXING DISPLAY UNITS.
2 TO 8 UNITS MAY BE CONNECTED IN SERIES
CONTROL CABLE
TO HALE
FOAMMASTER
DISTRIBUTION BOX
PRESSURE
TRANSDUCER
PRESSURE
TRANSDUCER
PRESSURE
TRANSDUCER
PRESSURE
TRANSDUCER
HALE HPF SERIES
FLOWSENSOR
➨
➨
➨
➨
➨
FOAM SOLUTION
DISCHARGE
DISCHARGE
SHUTOFF
VALVE
DISCHARGE
SHUTOFF
VALVE
DISCHARGE
SHUTOFF
VALVE
DISCHARGE
SHUTOFF
VALVE
HALE HPF SERIES
FLOWSENSOR
HALE HPF SERIES
FLOWSENSOR
HALE HPF SERIES
FLOWSENSOR
➨
➨
➨
➨
➨
FOAM SOLUTION
DISCHARGE
➨
➨
➨
➨
➨
FOAM SOLUTION
DISCHARGE
➨
➨
➨
➨
➨
FOAM SOLUTION
DISCHARGE