English
Installation and operating instructions Wilo-DrainLift XXL
5
NOTE: Make sure the national and regional applicable standards and regulations are
observed during installation and operation.
The details in the operating instructions for the switchgear should also to be observed.
DANGER! Danger of explosion!
Sewage containing faeces in collection reservoirs can cause gas accumulation which
may ignite as a result of improper installation and operation.
• If the
unit is used for
sewage containing faeces, the valid regulations for potentially
explosive areas are to be observed.
WARNING! Health hazard!
Not suitable for pumping potable water due to the materials used! Contaminated sew-
age is a health hazard.
CAUTION! Risk of property damage!
Discharging inadmissible substances can cause damage to the product.
• Never discharge solids, fibrous substances, tar, sand, cement, ash, coarse paper, paper
towels, cardboard, debris, rubbish, animal waste, grease, or oil.
A grease trap should to be provided if greasy sewage accumulates.
• Improper use and overstraining causes damage to the product.
• The maximum possible inflow quantity must always be lower than the volume flow of a
pump at the respective duty point.
Application limits
The unit is not designed for permanent operation.
The specified maximum volume flow applies to permanent operation and intermittent
operation (S3 – 25 %/60 s). The unit must switch on a maximum of 60 times per hour and
pump. The operating time and follow-up time (if required) should be set as short as possi-
ble.
Furthermore, the operating parameters should be observed in accordance with Table 5.2.
WARNING! Danger due to overpressure!
If the lowest inlet head is higher than 5 m, this will cause dangerous overpressure in the
reservoir in the event of a unit failure. If this happens, there will be a risk of the tank
bursting.
The inlet must be blocked immediately in the event of a malfunction.
Intended use also includes the observance of these instructions.
Any other use is regarded as incorrect use.
5 Product information
5.1 Type key
Example:
DrainLift XXL 840-2/1.7
DrainLift
Sewage lifting unit
XXL
Size
8
8 = DN 80 pressure connection
10 = DN 100 pressure connection
40
40 = total volume of 400 l
80 = total volume of 800 l (2 tanks of 400 l)
-2
2 = double-pump system
/1.7
Nominal power per pump [kW]
