KSB Ama-Drainer N 301, Installation And Operating Manual

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5 Installation at Site
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Ama-Drainer N 301/302/303/358
5.3 Fitting the swing check valve and socket (if supplied but not fitted)
Ama-Drainer N 301/302/303 Ama-Drainer N 358
1
3
4
5
2
6
1
Fig. 3:
Fitting the swing check valve and socket
1 Discharge nozzle 2 Socket 1 1/4"
3 Swing check valve 4 Hose connection 1 1/2"
5 Suction valve 6 Screw plug
1.
Position the swing check valve on the discharge nozzle.
For Ama-Drainer N 301/302/303: Make sure the disc of the swing check valve
opens upwards.
For Ama-Drainer N 358: Make sure the disc of the swing check valve opens
downwards.
2.
Screw the socket on with the long thread and tighten it.
5.4 Adjusting the cut-in level control
Fig. 4:
Switching levels
b Cut-out level c Cut-in level
Table 4: Cut-in levels and cut-out levels
Type series Factory setting Limits 2)
Cut-out level b 3)
[mm]
Cut-in level c 3)
[mm]
Cut-out level b
[mm]
Cut-in level c 3)
[mm]
Ama-Drainer N 301 SE 70 145 295 375
Ama-Drainer N 302 SE 110 200 315 420
Ama-Drainer N 303 SE 110 200 315 420
Ama-Drainer N 358 SE 110 230 395 540
For manual operation value b must not be lower than the following values:
▪ Ama-Drainer N 301/302/303: 15 mm
▪
Ama-Drainer N 358: 37 mm
2)
Maximum values
3)
Minimum values for automatic operation