Grundfos SQF Manual Del Usuario página 10

1. Fit the riser pipe to the pump. Grip the pump by the outlet chamber. Take care not to damage the cables.
a. If you use plastic pipes, use a compression coupling between the pump and the first pipe section.
Plastic pipes expand when they are loaded. Consider this fact in relation to the installation depth.
3.2.4 Fastening the drop cable to the riser pipe
1. Fit cable clips on the riser pipe for every 3 m.
a. If you use plastic pipes, leave some loose cable between the cable clips, as plastic pipes expand when loaded.
Fig. Where to fit cable clips on the riser pipe
Pos.
A
3.2.5 Lowering the pump into the borehole
DANGER
Electric shock
Death or serious personal injury
‐
Switch off the power supply before you start any work on the product.
‐
Make sure that the power supply cannot be switched on accidentally.
WARNING
Electric shock
Death or serious personal injury
‐
Do not lower the product by the power cable.
Use appropriate lifting equipment to lower the pump into the borehole or basin.
Observe local regulations concerning limits for manual lifting and handling.
We recommend that you secure the pump with an unloaded straining wire before lowering it into the borehole or basin.
1. Note the weight of the product stated on the pump and motor nameplates.
2. Follow one of these procedures according to the weight of the product and local regulations:
a. If manual lifting is allowed, grip the pump by the outlet chamber or attach lifting wires to the wire hooks.
b. If manual lifting is not allowed, attach lifting wires to the wire hooks and use appropriate lifting equipment. Remove the lifting wires
before the product is lowered below ground level.
3. Lower the pump carefully into the borehole or basin by holding on to the riser pipe. Take care not to damage the power cable and the
submersible drop cable.
4. Fasten the drop cable to the riser pipe with cable clips as you connect the pipes.
10
Description
3 m