Schaffner Group
User and Installation Manual
LCL Filter
May 2018
17/21
II.1
Screw hole positions for wall mounted filters:
Frame
Drill pattern [mm]
R
S
T
D
540
180
11
E
680
220
11
F
730
250
11
H
1115 390
11
Table 3: Dimensions of frame sizes in
mm
II.2 Screw selection: Schaffner recommends zinc coated hex
ribbed flange steel bolts. Respect filters weight for appropriate
choice of screws! Head diameters must not exceed these
didimensions:
M6: d ≤14.2mm, M10: d ≤21.2mm
II.3 Filter placement:
1. Set screws loose into wall, leave 5mm distance from head to
the wall.
2. Lift filter with appropriate crane, smallest types (up to 25kg)
may be lifted manually by two persons.
3. Place filter first onto lower screws…
4. ...then position it through backplane head openings on upper
screws.
5. Fix screws with appropriate torque (depending upon the
material of the back plane and local standards).
Step 3: Wiring
III.1
Verify safe disconnection of all line side power.
Consult your local safety instructions.
d
3.
4.
R
S
T
INS 1008766 A0
INS 1008766 A0
INS 1008766 A
