6 Commissioning/Start-up/Shutdown
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Ama-Drainer 4../5..
6.2.3.2 Minimum/maximum fluid level
Minimum level of fluid handled
CAUTION
Fluid level below the specified minimum
Damage to the pump set by cavitation!
▷
Never allow the fluid level to drop below the specified minimum.
The pump set is operational when the minimum fluid level is not lower than
dimension W
T
. This minimum fluid level must also be ensured during automatic
operation.
Table 7:
Minimum level of fluid handled
Type series
W
T min.
[mm]
Ama-Drainer .../10
60
Ama-Drainer .../11
120
Ama-Drainer .../35
120
Maximum fluid level (see name plate)
Max. immersion depth: 7 m
6.2.3.3 Temperature of the fluid handled
CAUTION
Incorrect temperature of the fluid handled
Damage to the pump (set)!
▷
Do not operate the pump (set) outside the specified temperature limits.
Never operate the pump at temperatures exceeding the ones stated below.
▪
Pump (set) in submerged condition:
– Maximum 40
℃
– For a short time (up to 3 minutes) maximum 90 °C
▪
Pump (set) outside the fluid handled:
– For limited time (up to 10 minutes) maximum 40
℃
– For a short time (up to 3 minutes) maximum 90 °C
6.2.3.4 Density of the fluid handled
The pump input power changes in proportion to the density of the fluid handled.
CAUTION
Excessive density of the fluid handled
Motor overload!
▷
Observe the information on fluid density in the data sheet.
▷
Make sure the motor has sufficient power reserves.
The pump (set) is suitable for handling chemically neutral waste water not containing
coarse substances, sand or faeces.
Summary of Contents for Ama-Drainer 4 Series
Page 1: ...Submersible Waste Water Pump Ama Drainer 4 5 Installation Operating Manual ...
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