Installation; Hydraulic Connection; Conditions For Installation - Grundfos RSL Montage- Und Betriebsanleitung

4. Installation

4.1 Hydraulic connection

Warning
Danger of chemical burn!
Avoid direct contact with chemicals. Wear protective
clothing when handling chemicals.

4.1.1 Conditions for installation

• Proper functioning can only be guaranteed when using
Grundfos accessories.
• For suction height and line diameter, please see the technical
data of the pump.
4.1.2 Notes for installation
• Shorten the hoses at right angles.
• Make sure there are no loops or kinks in the hoses.
• Keep the suction line as short as possible.
• Install the suction line upwards to the suction valve of the
pump.
4.1.3 Connecting the hose (fig. 4)
1. Slide union nut (2) and tensioning ring (3) onto the hose (1).
2. Insert the cone part (4) fully into the hose.
3. Put the cone part with hose onto the corresponding threaded
connection of foot valve / suction lance or suction valve of the
pump.
4. Tighten union nut manually. Do not use any tools!
– Tighten up union nut after 2-5 operating hours if using PTFE
gaskets!
5. If existing, insert the deaeration line of the pump and the relief
line of the multi-function or pressure relief valve via the
corresponding connection of the foot valve or suction lance
into the container.
1 2
Fig. 4 Hydraulic connection
Pos. Description
1 Hose
2 Union nut
3 Tensioning ring
4 Cone part
Warning
Do not immerse the return lines into the liquid.
3 4
9