en – Original instructions
20
e-IXP(A), e-IXPC(A), e-IXPF(A) – Additional Installation, Operation and Maintenance Manual
4.2.3
Installation on concrete foundation
Foundation requirements
•
The concrete must have a compression resistance of C12/15 and meet the requirements of
exposure class XC1 according to EN 206-1
•
Sizes must be appropriate for the sizes of the unit support plate
•
The foundation weight must be ≥ 1.5 times the unit weight (≥ 5 times the weight of the unit
if a quieter operation is required)
•
The surface should be as flat and level as possible.
Installation
The figure shows the position of the levelling shims depending on the distance of the tie rods.
1.
Unit
2.
Levelling thickness
3.
Tie rod
1.
Drill the tie rod holes in accordance with the quantity, diameter and centre distances shown
in the technical catalogue.
2.
Insert the tie rods into the holes and secure them with chemical anchors.
3.
Remove the caps of the suction and discharge ports.
4.
Place the unit on the foundation by inserting the tie rods into the holes in the plate.
5.
Level the unit with a spirit level on the shaft and discharge port: the maximum permitted
tolerance is 0.2 mm/m (0.0024 in/ft).
6.
Align the suction and discharge ports to their piping.
7.
If necessary, insert levelling shims between the plate and the foundation: If the distance
between the tie rods is ≥ 800 mm (31 in), insert additional shims in the middle of the plate.
8.
Tighten the nuts on the tie rods evenly and fully.
Hexagon nut
Torque, Nm (lbf·in)
M12
60 (44)
M16
120 (89)
M20
200 (148)
M24
350 (258)
M27
530 (391)
