ENGLISH
1. Components and Parts
3
4
5
6
7
HWW 3000/ 20S
HWW 4000/ 20S
HWW 4000/ 20S Plus
1
Pressure gauge
2
Discharge port
3
Pressure switch
4
Plug, water filler
5
Pump inlet
6
Drain plug
7
Flexible metal tube
8
Pump
9
Pressure vessel ("tank")
10
Air charging valve for tank pre-
charge pressure
11
Power cable with plug
Operating Instructions
2
8
At the intake port:
A
Caution!
For pumping contaminated
fluids use a suction filter (see
"Available Accessories").
3
Note:
To prevent water loss when
the pump is turned off, it is recom-
mended to install a check valve on
the intake port (see "Available
Accessories").
ENGLISH
1
9
ENGLISH
11
10
11