SLF 2250/4000
Hydromatic Stinger
Page - 59 -
© 2014
Operating the Pump System
Foam Operation
Procedure from the foam compound tank
- Provide pressure hoses with foam branch pipes.
- Operate the pump system as described in the
◊
"Tank Suction Operation" or
◊
"Drafting Operation from Open Water Source" or
◊
"Hydrant / Supply Operation" chapters.
- Engage the foam compound pump as mentioned in the "Engag-
ing the Hydraulic Oil Pump" chapter.
- Call up the foam operation menu:
◊
Press switch (S326) -> screen (ACRe) will be shown on display (N7).
- Preselect the foam compound tank suction valve by using switch
(SF4):
◊
Usually the foam compound tank is selected.
- Start the "AUTOMATIC" mode:
◊
Press enter button (S319) -> screen (ACRa) will be shown on
display (N7).
◊
The external foam compound suction valve will be opened.
◊
The supply valve for the foam proportioner will be opend.
- Prime the foam compound pump:
◊
Press switch (SF5) until foam compound is discharged at the
priming line.
- The proportioning rate may be adjusted separately for every
single pressure outlet by using the proportioning valves (J87).
◊
Do not open proportioning valves (J87) at the pressure
outlets where no water is being discharged, no hose is
connected or the concerned valve (J10) is closed.
◊
Foam compound is sucked out of the foam compound tank
and will be provided to the water system with an overpressure
of approx. 0.5 bar.
Note:
Please obey information shown on display (N7). Depending on
importance, information can be cancelled by pressing enter button
(S319). Warnings retains until the operator takes remedial meas-
ures. If the foam compound tank content is less than 150 l, a low
content warning will be displayed, at 20 l the foam compound pump
will be disengaged.
ATTENTION !
Before closing a discharge outlet, always close the corresponding
foam proportioning valve. Failure to comply will cause an over-
flow of foam compound to the water system.
bar
Fremdsaugen
2
Push
Hydromatic
To turn on
AUTO
MANU
Tank 1
3/4
1/2
1/4
N7
SF5
SF4
SF1
S319
S326
Tank 1
2
Push
Hydromatic
To turn off
AUTO
MANU
3/4
1/2
1/4
Fremdsaugen
2
Push
Hydromatic
To turn on
AUTO
MANU
Tank 1
3/4
1/2
1/4
ACRa
ACRe
J10
J87
J10
J87
J10
J10
J10
J10
