Grundfos SEV 80 Installation And Operating Instructions

English (GB)
8
Proceed as follows:
1. Fit the base stand or brackets to the pump. See
dimensional sketches at the end of this booklet.
2. Mark and drill fixing holes in the concrete floor or
foundation.
3. Fasten the pump with expansion bolts.
4. Check that the pump stands vertically or
horizontally. Use a spirit level
5. Connect the power cable.
6. Install the inlet and outlet lines as well as the
valves, if any. Make sure that the pump is not
stressed by the pipes.
Tightening torques for inlet and outlet flanges
Grade 4.6 (5) galvanised steel screws and nuts.
Grade A2.50 (AISI 304) steel screws and nuts.
3.2 Electrical connection
Set the motor-protective circuit breaker to the rated
current of the pump. The rated current is stated on
the pump nameplate.
We recommend that you fit an isolating
valve on the inlet side of the pump and a
non-return valve as well as an isolating
valve on the outlet side.
DN DC Screw
Torque [Nm +/- 5]
Slightly
oiled
Well
lubricated
DN 65 145 4 x M16 70 60
DN 80 160 8 x M16 70 60
DN 100 180 8 x M16 70 60
DN 150 240 8 x M20 140 120
DN DC Screw
Torque [Nm +/- 5]
Slightly
oiled
Well
lubricated
DN 65 145 4 x M16 - 60
DN 80 160 8 x M16 - 60
DN 100 180 8 x M16 - 60
DN 150 240 8 x M20 - 120
The gasket must be a full face, reinforced
paper gasket like Klingersil C4300. If softer
gasket material is used, torques must be
reconsidered.
WARNING
Electric shock
Death or serious personal injury
- Before starting any work on the product,
make sure that the fuses have been
removed or the main switch has been
switched off and locked in position 0.
Make sure that the power supply cannot
be accidentally switched on.
WARNING
Electric shock
Death or serious personal injury
- Make sure the earth and phase
conductors are not mixed up, follow the
description in the wiring diagram.
- Make sure the earth conductor is
connected first.
Connect the pump to an external main
switch which ensures all-pole
disconnection with a contact separation
according to EN 60204-1.
Make sure that the main switch is locked in
position 0. Type and requirements as
specified in EN 60204-1.
The electrical connection must be carried
out in accordance with local regulations.
Connect the pump to a control box with a
motor protection relay with IEC trip class
10 or 15.
Connect pumps installed in hazardous
locations to a control box with a motor
protection relay with IEC trip class 10.

Grundfos SEV 80 Specifications

General

Brand	Grundfos
Model	SEV 80
Category	Water Pump
Language	English