Wall mounting merging unit - Arc protection - Bay control and measurement - Merging unit - Installation Manual - SMU615 Substation Merging Unit - 1.0 - IEC - ANSI - 06.06.2023

SMU615 Installation Manual

A mounting kit is needed for wall mounting the merging unit. In addition to the detailed mounting instructions, the wall mounting kit includes:

  • Wall mounting frame and rail parts
  • Back plate
  • Screws
  • Dimensions for screw holes
  1. Drill screw holes according to the dimensional drawing.
  2. Mount the wall mounting frame and the rails.
  3. Install the back plate.
  4. Loosen the four M5 fixing screws in the case to fit the case into the mounting frame.
  5. Mount the case between the rails.
    Figure 1. Wall mounting the merging unit
    image/svg+xmlA
    A
    430 mm
  6. Tighten the screws.
    Note: The allowed range for the fixing screws’ tightening torque is 0.7...1 Nm.
Figure 2. Wall mounted merging unit
image/svg+xmlABC
A
214 mm
B
177 mm
C
270 mm
Note: Minimum of 50 mm space is needed between two kits.

When connecting the wires, a wall-mounted merging unit can be pulled out and turned 45° (or 90°) degrees downwards or upwards.

  • To release the merging unit for pulling it out, push the locks beside the mounting frame.
  • To rotate the merging unit, loosen the knurled-head screws in the rails.
Figure 3. Wall mounted merging unit in rotated position
image/svg+xmlA
A
455 mm
Note: Minimum of 50 mm space is needed above and below the frame for rotating.