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5.3
Flexible installation with lowering
device
Fig. 4: Flexible installation
5.4
Installing additional attachment
parts
5.4.1
Installation pressure wedge – dis-
charge pipe with weld neck flange
3
4
2
1
2
Fig. 5: Pressure wedge: Discharge pipe with
weld neck flange
Installation and operating instructions Wilo-EMU RZP 20-1 ... 80-2
Installation
Installation is performed in the same manner as installation of the submersible mixer.
Observe the following points:
▪ The recirculation pump may not be operated at different heights.
▪ The flow ring must lie fully at the discharge pipe after draining.
▪ The guide at the guide pipe is not performed through a frame on the motor. The guide
is performed through the flow ring.
▪ When lowering the recirculation pump, tilt it downward by approx. 5°. Align the attach-
ment point accordingly.
▪ NOTICE! Install additional attachment parts at the discharge pipe for types
RZP 50-3..., RZP 60-3... and RZP 80-2... See the following chapter.
Install the following attachment parts, depending on type:
▪ Pressure wedge
Enables a closer fit of the flow ring at the discharge pipe and easier dismantling of the
recirculation pump.
▪ Claw
Enables a closer fit of the flow ring at the discharge pipe.
Assignment of attachment part to pump
Type
Pressure wedge
Claw
1
Discharge pipe
2
Flange (weld neck flange)
3
Pressure wedge
4
2 mm metal support
▪ Align the pressure wedge perpendicularly.
▪ Insert a 2 mm metal sheet between flange and pressure wedge.
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