en
6
Installation and operating instructions • Wilo-Rexa MINI3-V05...-AU • Ed.01/2022-01
•
The staff is trained in the operation of com-
mercial Wastewater facilities.
•
The operator is responsible that the product
meets the requirements.
•
Do not
use the product in the following ap-
plications:
–
Frequency converter operation
–
Operation on soft start control
–
Operation within explosive atmospheres
1.12 Operating fluid
The oil is in the sealing chamber. The oil lubric-
ates the seal on the motor and pump side.
•
Absorb leakage immediately.
•
If larger leakage occurs, contact customer
service.
•
If the seal is defective, the oil reaches the
pumped fluid and the sewer.
•
Collect waste oil by type (unmixed). Dispose
the oil at a certified collection point.
•
Skin contact:
Rinse skin areas thoroughly
with soap and water. If skin irritation occurs,
consult a doctor.
•
Contact with eyes:
Remove the contact
lenses. Rinse eye thoroughly with water. If
eye irritation occurs, consult a doctor.
•
Ingestion:
If swallowed, consult a doctor.
2
Product description and function
2.1
Description
Submersible pump for stationary and portable wet well installation
in intermittent operation.
1
2
3
4
5
6
Fig. 1: Overview
1
Handle
2
Motor housing
3
Float switch
4
Pump housing
5
Discharge connection
6
Connection cable
Rexa MINI3-V ... -P
Sewage pump with vortex impeller. Discharge port with vertical
threaded connection and pre-assembled hose nipple. Pump hous-
ing made of grey cast iron, impeller made of plastic. Surface-
cooled single-phase motor (operating capacitor integrated) with
self-switching thermal motor monitoring. Motor housing made of
stainless steel. Oil-filled sealing chamber with double sealing:
rotary shaft seal on motor side, mechanical seal on pump side.
Connection cable (detachable) with type I plug.
Rexa MINI3-V ... -A
Sewage pump with vortex impeller. Discharge port with vertical
threaded connection and pre-assembled hose nipple. Pump hous-
ing made of grey cast iron, impeller made of plastic. Surface-
cooled single-phase motor (operating capacitor integrated) with
self-switching thermal motor monitoring. Motor housing made of
stainless steel. Oil-filled sealing chamber with double sealing:
rotary shaft seal on motor side, mechanical seal on pump side.
Connection cable (detachable) with float switch and type I plug.
2.2
Technical data
Manufacturer date
See rating plate
1)
Mains connection
See rating plate
Rated power
See rating plate
Max. delivery head
See rating plate
Max. volume flow
See rating plate
Starting method
See rating plate
Speed
See rating plate
Discharge connection*
G 2 IG, pre-assembled hose
nipple: 52 mm (2 in)
Operating mode, immersed
S1
Operating mode, non-im-
mersed
S3 15%
Non-immersed: operating time
1,5 min
Non-immersed: shutdown time 8,5 min
Fluid temperature
3 ... +40 °C (37 ... 104 °F)
Max. immersion depth
7 m (23 ft)
Protection class
IP68
